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Ultra-Fast High-Fidelity Computational Fluid Dynamics on GPUs for Automotive Aerodynamics
In this white paper, we present the innovative commercial GPU-based Computational Fluid Dynamics (CFD) solver Altair ultraFluidX. This work features simulations of the DrivAer model, a generic, publicly available vehicle geometry that was developed by the Chair of Aerodynamics and Fluid Mechanics at the Technical University of Munich and which is widely used for testing and validation purposes.

The DrivAer model features rear end, underbody designs, and underhood flow. This model was then used to perform both wind tunnel tests and numerical simulations of the 40% scale open cooling geometry using perforated aluminum sheets with different opening ratios to mimic different radiator properties. Within, we will compare some of the results from these wind tunnel tests with numerical results obtained with Altair ultraFluidX.

Wilson Golf/Driver vs. Driver
Altair’s work on Driver vs. Driver, Wilson Golf’s television competition that followed aspiring golf club designers in their journey to develop Wilson’s next club in production. Our industrial design team worked with each of the contestants to develop and model the designs in Evolve while our CFD experts helped them simulate and optimize the aerodynamics of the club in Virtual Wind Tunnel.

Wilson Golf
Wilson has a strong relationship with Altair, having worked alongside Altair ProductDesign on a number of successful projects in the past and valuing the broad range of simulation and design technologies available in the HyperWorks and solidThinking software
suites. Altair’s technical and industrial
design teams were selected to assist in the development of the show, working under the direction of Wilson Labs.

ATCx CFD 2020 - Workshop 2: External Aerodynamics
Workshop 2: External Aerodynamics from the ATCx CFD 2020 virtual event.

CFD Advances Racing Bike Performance
Highly automated computational fluid dynamics (CFD) workflows enable the discovery of flow behaviors, improving wheel aerodynamics.



Mathew N. Godo, Ph.D. and David Corson, Ph.D.

Concept To Reality Summer / Fall 2012 Subscribe to C2R Magazine

An Aerodynamic Study of Bicycle Wheel Performance Using CFD
A methodology is presented to apply CFD to study air flow around a rotating bicycle wheel in contact with the ground. The bicycle wheel studied here is an accurate geometrical representation of a commercial racing wheel (Zipp 404). Reynolds-Averaged Navier Stokes (RANS) and Delayed Detached Eddy Simulation (DDES) results are computed at a range of speeds and yaw angles commonly encountered by cyclists. Drag and side (or lift) forces are resolved and compare favorably to experimental results obtained from wind tunnel tests. Vertical forces acting on a rotating bicycle wheel are presented for the first time. A unique transition from downward to upward acting force is observed as the yaw angle is increased. Flow structures are identified and compared for different yaw angles. It is expected that a more complete comprehension of these results will lead to improvements in the performance and handling characteristics of bicycle racing wheels used by professional cyclists and triathletes.

Integrated Systems Simulation from Requirements
Ed Wettlaufer, Technical Manager Mechatronics Group, Altair [on behalf of NAVAIR]


Government solicitations for proposals, or RFPs, for aircraft and airborne systems require preliminary designs with enough fidelity to accurately predict performance, in order to prove the design's ability to meet the Governments performance requirements. Modern high-performance computing provides the leverage to execute previously expensive analyses in areas such as computational fluid dynamics. The results of these high order analyses can be used to populate parameters in 1D systems models which can be easily coupled to medium order models from other disciplines. These capabilities allow the design engineer to rapidly iterate to levels of model maturity and accuracy not achievable years ago, resulting in high levels of confidence in the designs performance predictions in unprecedented time.

Moving forward, Altair engineers will employ Multiphysics and co-simulation to execute the Engineering and Manufacturing Development phase (EMD) for one subsystem of the preliminary design developed in the afore mentioned pre-acquisition phase.

Intel Solution Brief: Maximize Performance and Scalability of Radioss on Intel® Xeon® Processor E7 v2 Family-Based Platforms
This paper summarizes the findings of a benchmark study with Radioss and Intel® Xeon® processors. In the study, Altair benchmarked Radioss using a modified crash simulation model on a single-node platform -- Radioss was able to easily take advantage of all 60 cores, running the workload 2.75X faster than on a comparable 24-core platform.

Preliminary design of a wing spar bonded joint PrintE-mail
Fast tools such as the ESAComp module for bonded joints can be very efficient in the preliminary design of various joint configurations. In this example we consider a tip loaded wing of a small aircraft or wind turbine blade. The wing spar carries a constant in-plane shear (Nxy), which needs to be transferred from the joint laminates to the shear web.

Improving the Accuracy of Weather Prediction
This brochure covers the Cray-Altair Solution for Optimized HPC Resource and Workload Management – Using a Cray supercomputer with Altair’s PBS Professional scheduler provides weather prediction centers with a rich solution for optimized forecasting.

Intel Solution Brief: Maximize Performance and Scalability with Radioss on Intel® Xeon®
This paper summarizes the findings of a benchmark project to evaluate the performance and scalability of Radioss on Intel® Xeon® Processor E7 v2 family-based platforms.

Altair Embed - Fixed Point - Fundamentals Part 1
Description and use of fixed point blocksets, block properties, blockset configuration tool and displaying fixed point overflow messages and watermarks.


Aeroelastic Investigation of the Sandia 100m Blade Using Computational Fluid Dynamics
Recent trends in wind power technology are focusing on increasing power output through an increase in rotor diameter. As the rotor diameter increases, aeroelastic effects become increasingly important in the design of an efficient blade.

AcuSolve Validation - NACA0012 Airfoil
This benchmark validates AcuSolve for external aerodynamic applications. NACA0012 has been studied in depth both numerically and experimentally. AcuSolve results are compared with other CFD software results and with available test data


AcuSolve & Radioss Solution on FSI Model
This benchmark demonstrates the ability of AcuSolve to capture the effect of impulse load on a profile submerged in channel flow. A P-FSI simulations is performed using the structural output from Radioss.


Norwood Sawmills Case Study
In the early 1990s, Peter Dale designed and built his own portable sawmill to help with the construction of a new log cabin. Recognizing a gap in the commercial market, he promptly founded Norwood Sawmills. More than twenty-five years later, it’s a thriving company that continues to specialize in rugged sawmills for customers such as builders, landowners, and furniture makers. Reflecting the company’s roots, Norwood Sawmills has established an enviable reputation for innovative, high-quality product design, and currently holds over 50 patents. To date, the company has produced in excess of 35,000 sawmills at its factories in Canada and the USA, supplying the equipment in flat-pack format to customers in more than 100 different countries.

BOTTPOWER Designs Lightweight Bracket for Motorbike
BOTT stands for “Battle of the Twins,” a racing category for motorbikes with two-cylinder four stroke engines.

Bottpower is a Spanish motorsport engineering company located in Valencia. They specialize in designing and building custom motorbikes for racing and street use. They design and build parts, systems, and prototypes for other companies.

A project challenge at Bottpower was to design a lightweight stay bracket for their motorbike that could withstand the main and aerodynamic loads. The goal was finding the optimal weight and stiffness ratio to reduce weight while ensuring safety measures. All of this had to be done quickly in order to arrive on time at Addit3D, Spain's most important 3D-print fair, to showcase the bike. The optimal design for aerodynamic loads was found using Altair software.


Leveraging Geometric Shape Complexity, in Optimal Design for Additive Manufacturing
Additive manufacturing (AM) technology enables the possibility of realizing highly efficient, optimized structural components with configurations not achievable using conventional manufacturing methods.


Increasing Your Productivity for CFD Model Build
This webinar, presented jointly between Altair and the UK's leading CFD consultancy, TotalSim, demonstrated how the latest model build technologies can drastically accelerate your external aerodynamics programmes, freeing up Engineers' time to provide design insight and enhance performance, not stuck endlessly refining meshes.

Simulation Speeds Roll Cage Design
Australian company relies on virtual tools to test the roll cage structures that keep motorsports drivers safe.

ATCx CFD 2020 - Workshop 3: General Purpose CFD
Workshop 3: General Purpose CFD presented live at the ATCx CFD 2020 virtual event.

Structural Component Design Optimization for Additive Manufacture
Additive manufacturing (AM) technology enables the possibility of realizing highly efficient, optimized structural components with configurations not achievable using conventional manufacturing methods. The Altair and Solid Thinking toolsets provide advanced capabilities to design structural topologies to minimize weight and maximize other performance criteria. However, conventional manufacturing processes require application of design constraints, such as directional access for machining, in the optimization that limit the structural efficiency of the resulting design. AM can remove many of these constraints to allow for more efficient configurations under the applied loading conditions. Case studies show the potential to reduce weight up to 30% for components with applied bending and torsional loads by allowing increased complexity configurations that could only be manufactured additively.

Rolo Bikes
Rolo Bikes approached Altair ProductDesign due to its familiarity with the HyperWorks suite and expertise in the application of CAE techniques to optimize carbon fiber structures. The objective of the program was to optimize a new bike frame to achieve world leading performance for weight, stiffness and comfort. In addition, the team was also tasked with developing an efficient and cost effective virtual testing process to analyze the performance of future bike frames from Rolo and other partner companies.

Optimising Vehicle Dynamics for Student Racing with Altair University
You will learn how to use multi-body dynamics (MBD) simulation tools from the Altair HyperWorks CAE suite to improve the design and performance of your student race car. By using Altair’s academic vehicle library, you can adapt suspension models to represent your existing half or full vehicle and make virtual changes to the design in order to improve stability and manoeuvrability.

CAVE Sets the Stage for Real-Time Collaboration
An immersive virtual environment speeds the creation of prototypes to cut time in military product development programs.

Better Indoor Climate thanks to Simulation and Optimization
Kampmann GmbH is an internationally leading specialist for heating, cooling, air-conditioning and integrated building automation. Within their virtual development process they are using the Altair HyperWorks® software suite, in particular AcuSolve®, the CFD solver; OptiStruct®, the suite's FE-solver and an optimization tool; and HyperMesh® for modeling and meshing tasks. For plant control design, Kampmann is currently considering solidThinking Activate®, a mapping software for control systems. Thanks to simulation, Kampmann engineers are now able to answer questions regarding the internal processes of the system, which are difficult, if not impossible, to study through physical testing.

High-performance Computing Speeds Up Optimization Processes for Tailor Rolled Blanks at Mubea
OEMs and suppliers include every possible technique to support lightweighting in the automotive industry. It is common to use optimization techniques in order to identify and tab existing lightweight potentials as well as design tailor rolled components in a vehicle, the design optimization of which is normally based on crash simulations. Due to the large size of these simulations, a single run can take 1 to 12 hours. To conduct all the simulation runs needed for assessment and evaluation of different design concepts, the use of HPC is necessary. HWUL- VA was able to reduce the turnaround time for a lightweight study significantly at Mubea.

ESAComp for Composite Pressure Vessels
ESAComp composite pressure vessel (CPV) analysis provides fast and accurate analysis of CPVs using shell or solid elements. The fiber paths computed by a filament winding simulation software are used as the basis of the analysis.

Magneto-Vibro-Acoustic Efficient Design of PWM-Fed Induction Machines
Induction motors are widely used in the automotive industry. In order to increase the passenger’s comfort, motor designers try to develop new solutions to reduce the noise at its origin, on the electromagnetic side. Damper winding can be a solution to improve emitted vibration and noise. In this presentation, LSEE shows interesting modelling method to evaluate the impact of damper windings on the vibro-acoustic behavior of the motor considering PWM, and compares it with measurements.

* Please note this technology is patented / WO 2016207166 A1*
An LSEE & Altair presentation at SIA-CTTM Automotive NVH Comfort 2018


Multiphysics Design Optimization Using an Adjoint Sensitivity Analysis
Optimal design methods involving the coupling of fluid and structural solutions are a topic
of active research; particularly for aerospace applications. The paper presents a coupled fluid and structure approach to topology optimization using two commercial finite element solutions; AcuSolve and OptiStruct. A gradient based method is used to minimize the compliance of a structure subject to thermal loading. The optimal material distribution to minimize compliance is computed using the Solid-Isotropic Material with Penalty (SIMP) method available in OptiStruct. A volume fraction constraint is imposed in order to iteratively reduce the parts mass. Draw constraints are used to ensure manufacturability. The thermal loading is computed iteratively using a computational fluid dynamics (CFD) solution from AcuSolve. The optimization produces an innovative design which increases the heat rejection rate of the part while reducing the mass.

ATCx CFD 2020 - Welcome & Introduction to Altair and the CFD Solutions
A welcome address to Altair's ATCx CFD virtual event hosted in 2020, presented by Andy Fine, VP CFD Solutions EMEA at Altair.

KTex Family Datasheet
KTex Family is a set of tools (integrated in HyperMesh or stand-alone) dedicated to composite material at the scale of the yarns. Their aim is to take into account the manufacturing process in the assessment of the mechanical properties of the material.

Designer Oriented Software - Is it Accurate?
Ian Symington of NAFEMS investigates the accuracy of Altair SimSolid through a series of eight analysis benchmarks.

Article originally published in Benchmark Magazine by NAFEMS, the International Association for the Engineering Modeling, Analysis & Simulation Community. Find out more at nafems.org.

Analysis Origins: OptiStruct
This article, featured in the October 2019 issue of NAFEMS BENCHMARK Magazine, chronicles the origins and legacy of OptiStruct, an early pioneer of simulation-driven design. Features quotes from Altair CEO Jim Scapa and other influential voices from the early days of Altair's history.

Article originally published in Benchmark Magazine by NAFEMS, the International Association for the Engineering Modeling, Analysis & Simulation Community. Find out more at nafems.org.

Towards Efficient Composite Pressure Vessel Design
Competing future vehicle concepts have drives using clean energy stored in batteries or hydrogen. On-board storage of high-pressure hydrogen gas to supply fuel cells needs weight-efficient pressure vessels utilizing composite materials, that operate safely and reliably under challenging thermo-mechanical service conditions, be affordable and meet standards.

Partnering with the Altair Composites Team, CIKONI identified the benefits of Altair Multiscale Designer™ to increase simulation efficiency by its virtual material characterization to create accurate and reliable material models for structural simulation. They applied Multiscale Designer, Altair OptiStruct and Altair ESAComp interfaced with a third-party filament winding simulation package to handle the simulation process.


Physics-based Cell and Pack Models for System Simulation
Sendyne, part of the Altair Partner Alliance, provides a virtual, physics-based battery model called CellMod Virtual Battery for real-time co-simulation for individual cells and packs. This presentation provides a brief overview of the battery model and benefits as well as an example of system simulation using Altair Activate using the Functional Mock-up Interface standard for co-simulation.

Altair Aerospace: FE Model Setup and Validation
This webinar will cover a brief overview of all simulations done on an Altair benchmark airplane wing. All steps from CAD to CAE are discussed, starting with the generation of the geometry, including midsurface generation to meshing and mapping CFD results. The presentation concludes with post-processing and automated report generation.

Getting it right the First Time; how FE-Simulation with Radioss supports Sigma Connectivity in Streamlining the Development Process
Simulation is extensively used in the
early development phases at the Sigma
Group, where about 10-15 engineers are
working with different types of simulations.

NASA
A Safer Landing with Water Impact Analysis



Using Altair’s own HyperWorks virtual simulation suite, Altair ProductDesign built an accurate finite element model of the module from CAD data supplied by NASA, as well as a section of water and air which matched the conditions from the lake used during the physical tests. The effect on the module’s structure during impact was simulated to gauge how well the results correlated with the physical tests. The results showed excellent correlation between the simulation and physical tests, identifying areas where the model, input parameters and meshing methods could be improved to give a more accurate prediction of the event.

Use Best-in-Class Components to Integrate Product Development
Achieving the best overall product development environment requires that CAD and CAE systems work well together.

PATAC
PATAC needed to develop an efficient CAE simulation management platform to accommodate
their changing needs and accelerate digital growth.

FEKO Webinar Recording: The CMA Advantage
In this webinar we cover some of the theory of CMA, as well as present several new case studies highlighting the CMA design advantage. These include optimum feeding and placement of antennas on platforms and decoupling of antenna elements in a MIMO configuration.

Evolving Trends in the Structural Optimization of Aircraft Gas Turbine Engines
Brian Cottrell, Chief Engineer of Structures, Honeywell Aerospace

The history of aircraft gas turbine engine design generally has not included significant optimization of the structural layout of engines. This optimization gap has been driven by the pace of engine layout during the concept development phase and by the extreme complexity of the problem. Therefore the initial selection of the structural system concept has tended to be anchored in experience and in simple parametric trade studies seeking to provide a sound configuration from the perspectives of strength, weight, cost, and modularity.

Ford Motor Company: Building an Efficient HPC Infrastructure
The cars, trucks, vans and SUVs that roll off Ford Motor Company assembly lines are safer, quieter, and more comfortable than ever. Many of the intangibles that contribute to Ford quality flow from the innovative use of high performance computing (HPC) techniques. At Ford's Numerically Intensive Computing Department (NIC) in Dearborn, Michigan, engineers run simulations in codes such as NASTRAN and LS-DYNA for predictive analysis of cylinder cooling, wind noise, vibration, ride quality, crashworthiness, durability, and other characteristics that contribute to industry-leading automotive design.

A Practical Analysis of Unsteady Flow Around a Bicycle Wheel, Fork and Partial Frame Using CFD
CFD is used to study air flow around a rotating bicycle wheel in contact with the ground, extending previous ‘wheel-only’ work on this problem by including the fork, head tube, top tube, down tube, caliper and brake pads. Unsteady simulations, using a Delayed Detached Eddy Simulation (DDES) turbulence model, were run for 9 different wheel and front fork configurations, over 10 different operating conditions (5 yaw angles, repeated for two different speeds, commonly encountered by cyclists), resulting in 90 transient design points.

Schlumberger Eclipse Integration White Paper and How-To Guide
The Schlumberger ECLIPSE software family offers the industry’s most complete and robust set of reservoir simulation software. In response to user requests, Altair has collaborated with Schlumberger to deliver a tightly integrated version of ECLIPSE for PBS Professional. This paper documents the integration and provides step-by-step instructions for configuration and use.

Daimler - Calculation of Optimal Damping Placement in a Vehicle Interior
One of the most difficult jobs of a NVH Analyst is to sift through a seemingly endless set of results and find the key conclusions that will improve a design. Different assumptions and different subsets of data can give very different conclusions. This paper compares acoustic results calculated for a Class 8 heavy duty truck cab to choose an optimal configuration of damping material. The design was evaluated for structure and air-borne inputs, but only structure-borne inputs are considered in this paper.

e-Motor Concept Optimization Coupling with Altair FluxMotor and Altair HyperStudy
Designers starting with a blank page face an unlimited number of configurations and need to quickly select machines types. By coupling Altair FluxMotor to Altair HyperStudy design exploration and optimization solution, Altair offers designers a unique process to optimize their motor concept at an early design stage, defining their constraints and their objectives. A typical objective is to reach maximum global efficiency across a given duty cycle. Then, designers can select and focus on the topologies that fulfill the main specifications before going further in their design.

Antenna Placement Optimization for Vehicle-To-Vehicle Communications
Vehicle-to-vehicle (V2V) technology has the potential to significantly enhance driver safety. The type, placement, and orientation of V2V antennas all affect the performance of the communication system. Simulation software for high frequency electromagnetics can be used to analyze the farfield effects of various vehicle antenna configurations without the need to perform physical testing. We present a simulation-based method for optimizing the placement and orientation of a monopole antenna on a vehicle using a Global Response Surface Method (GRSM).

Influence of Discrete Inductance Curves on the Simulation of Round Rotor Generator Using Coupled Circuit Method
This paper presents a study on the influence of the discretisation of the inductance curves on a detailed coupled circuit model of a synchronous generator with a damper winding and search coils. The self and mutual inductances of all coupled circuit are computed in magnetostatic with a 2D finite-element method (FEM) for different rotor positions.

Study the Influence of Air-gap Variation on Axial Forces in Axial Flux Permanent Magnet Motor Using 3D-FEM
This paper describes the effect of air-gap variation on performance of a 28 pole axial flux permanent magnet motor (AFPM) with concentrated stator winding. The AFPM is modeled using three-dimensional finite-element method. This model includes all geometrical and physical characteristics of the machine components.

Optimization of Photovoltaic (PV) Mounting Structures – Savings on Material and Cost
Photovoltaic specialist Thesan, a subsidiary of global manufacturer Savio S.p.A, manufactures, and distributes mounting structures, consisting of a so-called Purlin, a Rafter, and a Pole (and Hat), designed to withstand potentially occurring loads from wind and snow, as well as dead loads. Drawing on the Savio Group’s competence in the design of steel and aluminum structures and thanks to a team of over 40 engineers, they are to satisfy every construction requirement of photovoltaic power plants at all altitude and climatic conditions, using any specific fixation requirements. For a recent project requiring optimization of a mounting structure of a medium sized PV field with a power of 5 MW, engineers used HyperWorks. The benefits included reduced material usage, reduced manufacturing and transportation costs and improved competitiveness for Thesan.

Conceptual Design and optimization of an Electric Motor
Presentation by Koby Ingram, Gevasol BV.

Conceptual Design and optimization of an Electric Motor using Altair Flux and HyperStudy. The customized electric machine with high level demands and efficiency is a challenging topic requiring top level of expertise and best in class simulation tools. This work focuses on the usage of Flux and Hyperstudy as tools for bettering the design and design process of e-motors.

Presentation at the ATCx in Israel, Netanya on October 30, 2019.

Rapid Airbag Folding Technique for Side Curtain Airbag
TECOSIM has developed techniques which can shorten the folding & packaging process time to a few hours and still achieve the essential airbag deployment performance. We will present methods which rapidly fold a free mesh and allow for rapid shape changes for a detailed folded model. These methods can significantly reduce the turnaround time to incorporate design changes into the working CAE model for side impact and OOP [Out Of Position] studies. This technology can integrate airbag development further into the virtual world to allow ‘CAE led’ design of airbag profiles, chambers and seam lines to be established early in the design phase and establish a fully folded deployable airbag for all virtual phases.

Northwestern University Success Story
Using HyperWorks for Teaching Computational Optimization Methods in Engineering Design at Northwestern University

Technology Acquisition
Combination of HyperWorks and RADIOSS delivers broadest CAE product family in PLM.

Internal Noise Simulation/Emulation
Presenters: Rafael Morais Cunha, CAE Engineer in NVH, FCA Group & Frederico Luiz de Carvalho Moura, NVH CAE Leader, FCA Group


To make the driving experience more comfortable for passengers inside a vehicle compartment, in an increasingly shorter development cycle, predictive methods for the acoustic response characterization are used by vehicle engineering teams. The main purpose is to estimate the sound field in the car cabin.

The FCA NVH team identified in Altair tools an excellent opportunity to develop a complete solution for acoustics simulation. Supported by the Altair technical team, new methodology was created to convert frequency domain analysis into actual sound waves. This method was used to study the NVH steady-state acoustic performances. And development is in progress to simulate an acoustic environment to reproduce all vehicle noises in operational condition.

Using this methodology, it’s possible to virtually understand the acoustic behavior of vehicles, helping to make decisions in early design stages which could save design cost, time and also improve the driving experience for passengers.

Reduce Time-to-Market Using Rapid Design Iteration
One of the biggest challenges in the consumer electronics industry is reducing the time-to-market given the highly competitive landscape and there is a stronger emphasis on virtual simulations over physical prototyping. However, performing virtual simulations on large complicated assemblies can be a tedious and time-consuming process due to the complexity of the assembly.

This webinar presents Altair’s CAD-based simulation process that can drastically reduce the time taken to build and solve large complicated electronic components.

5 ways to optimize your design
Gauge optimization, size and shape, and shell optimization, can be used to improve an existing design without altering its overall architecture. 3D topology optimization can be used when a significant re-design is desired because it identifies the optimal load paths of a structure and recommend material reduction. The material layout produced in the 3D topology is then interpreted into a concept design which is dimensioned and fine-tuned with the gauge, size, and shape approaches resulting in a final structure.

Do you want to learn how to execute all the techniques mentioned? Step-by-step tutorials are available now for download!

Cabin Comfort - Analyze Airflows and Thermal Effects
It is cost prohibitive to rely on climatic wind tunnel tests in the initial vehicle HVAC system design process. Additionally, the passenger compartment airflow and thermal environment is one in a state of constant change requiring use of transient CFD simulations.

In this 45-minutes complimentary session, we will give an overview of Altair’s CFD solution to simulate the airflow in the passenger compartment and include all relevant thermal effects such as convection, conduction and radiation heat transfer in the cabin. The geometry model of the vehicle interior is based on an Altair-developed generic cabin model. This geometry is used to demonstrate the model build and execution process including how to automate the model build process.

Automated Finite Element Model Creation using Structural Condition Data for Marine & Offshore Assets
Advanced structural integrity management software is capable of using a structural Computer Aided Design (CAD) geometry to track the condition of a marine or offshore asset in a virtual environment. ABS Nautical Systems Hull Manager 3D (HM3D) converts a 3D CAD model to a database that stores vessel condition information and provides the ability to track condition changes due to structural degradation.


Predicting and Eliminating Squeak & Rattle Noise in Vehicle Interiors with PSA Peugeot Citroën
During the development of new vehicles, PSA Peugeot Citroën Group (PSA) wanted to take the lead in using simulation technology to detect squeak and rattle noise problems, before physical testing was possible. The initiative led to a collaboration between PSA’s Method Development Engineering team and Altair ProductDesign to explore the use of simulation technologies and numerical optimization methods at an early stage of development. This 60-minute Webinar, jointly presented by PSA and Altair, discusses the project and its progress, describing the results achieved through the application of an “E-Line method” approach and detailing how the newly established processes have been integrated into PSA’s existing Virtual Development Process (VDP).

Driving NVH Development Through Collaborative CAE Simulation & Real-Time Subjective Feedback
Peter Benzie, NVH Technical Specialist at Altair, Finn Kryger Nielsen, Business Development Manager at Brüel & Kjær and Dr. Michael Platten, Product Manager - NVH & Dynamics at Romax, present simulation coupling between e-motor, gears and vehicle BIW and discuss the NVH SQ Simulator – Driving Virtual NVH Test Sign-off.

Altair Inspire Extrude Datasheet
Altair Inspire Extrude is a simulation environment designed to help extrusion companies meet the ever increasing demands to produce complex profiles with tight tolerances, quality surface finishes, and high strength properties at reduced cost. Inspire Extrude is a virtual press where users can visualize material flow and temperature inside a die during extrusion and make necessary changes to ensure balanced flow, while identifying and eliminating product defects.

Adam Wais of Rolo Bikes Discusses the Working Relationship with Altair
During the development of a new carbon fiber bicycle, the design team at Sweden based Rolo Bikes, wanted to develop a frame which exhibited world leading strength and stiffness attributes while keeping weight to an absolute minimum. The team required an efficient process to design the frame and test it in a virtual world against the industry’s safety and performance standards.

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Cobot, the Collaborative Robot - Get Ready for Industry 4.0
Development tools and methods, such as simulation, are increasingly important to face and address the pressure of innovation. As an example, for successful new design methods and to show how simulation tools are used, Altair developed a virtual demonstrator based on a cobot application. This complex machine interacts with a human operator as the ultimate smart manufacturing equipment - to show how challenges in modern product design can be overcome.

Electromagnetic Solutions for Accelerated Product Development of Aerospace and Defense Systems
In this webinar we showcase Altair’s unique electromagnetic simulation solutions combining antenna design and installed antenna performance with radio coverage analysis, including virtual flight and drive tests. We also cover fast modelling of radomes including FSS, speed up of platform model clean-up and meshing, new uses cases and technology for scattering and RCS, prediction of radio frequency interference, radio coverage and planning, spectrum management, additional related solutions on the Altair Partner Alliance and our software delivery models.

Simple, Powerful HPC Clusters Drive High-Speed Design Innovation
Solution brief from Intel and Altair on how to enhance the performance of Altair's HyperWorks using Intel Xeon processors.

RUAG Space Streamlines Composite Analysis with Improved Data Workflow
RUAG Space combines the power of the Altair HyperWorks Suite with the advanced composite failure analysis methods from ESAComp to improve their efficiency and composite modeling process.

FEKO 14.0 Overview
See an overview of the new features available within FEKO in 14.0. HyperWorks 14.0 is the first version containing the FEKO product line.

Experience the Sound of Your Future EV Before it is Built
Achieving the targeted brand image in a short development cycle time with minimal or zero prototypes is a major challenge faced by EV companies. To overcome this challenge, Altair, HBK and Romax have jointly developed a simulation driven process coupled with capabilities to virtually experience the noise and vibration characteristics, giving engineers a way to obtain real time performance feedbacks as the vehicle is being developed.

This joint presentation on the proposed NVH development process covers a wide range of topics, including benchmarking, target setting, full vehicle and motor gearbox simulation loadcases, troubleshooting, optimization and stochastic analysis, and playback of simulation results for subjective evaluations, with a number of new technologies representing the global best practice in sound and vibration design and development. Join us to explore ways to control the sound and vibration characteristics of the vehicle, achieve the right sound, and avoid common NVH pitfalls, while accelerating time to market utilizing and experiencing virtual NVH prototypes.

Aircraft Radome Multiphysics Using Simulation
Watch this webinar to see a demonstration of a multiphysics simulation approach using the Altair HyperWorks platform for the analysis of airborne radomes for electromagnetic , structural, aerodynamic, and bird strike performances.

Honeywell Aerospace - Reducing the Weight of Aircraft Engines
Brian Cottrell, Chief of Structures at Honeywell Aerospace, discusses how Altair ProductDesign applied HyperWorks' optimization technology, OptiStruct, to minimize the weight of new aircraft engines.

Aerodynamic Development of a Road Cycling Helmet with AcuSolve - LX Sim
LX Sim uses HyperWorks Suite and select Partner Alliance programs from Altair to help build an aerodynamic cycling helmet.

Speed and Safety- Interview with Luca Pignacca of Dallara Automobili
Manufacturing and supply of Racing Cars, Dallara Automobili uses HyperWorks to help design all of their racing cars.

NVH Webinar Series: Transfer Path Analysis at General Motors
This webinar presents the most recent advancement in the vehicle development process at General Motors using Altair HyperWorks' Transfer Path Analysis (TPA) capabilities.

Stanley Black & Decker Case Study
Stanley Black & Decker chose Altair’s HyperWorks Unlimited to optimize their CAE processes for power tool design, enabling them to explore concepts more deeply, reduce cycle times and make better decisions faster.

Scheduling Jobs Onto Intel® Xeon Phi™ Using PBS Professional
Working closely with Intel, Altair has ensured that PBS Professional supports the Intel® Xeon Phi™ architecture targeting high performance computing applications. This paper describes the basic and advanced configurations of PBS Professional for scheduling jobs onto Intel Xeon Phi devices.


Hydrogenerators Finite Element Modeling with Flux
Hydrogenerators Finite Element Modeling with FluxTM
This article mainly focusses on the electrical engineering aspects of the design. Hydrogenerators parameters extraction and dynamical behavior prediction can be easily determined with a two-dimensional finite element modeling.

Flux Webinar: Accelerate your Design Process with Flux - Dealing with Complex 3D CAD Models
Flux is now fully part of HyperWorks and thanks to our flexible HyperWorks Units, users are now able to access even more tools that will help you to save time in your designs and enable powerful simulations. Flux embeds its own pre-preprocessing tools but designers sometimes need to deal with complex 3D geometries generated by their CAD team.

Altair Inspire – Toolbelts
Tips and Tricks

Inspire now has four toolbelts to help you quickly access the tools you need for geometry, structures, motion, and PolyNURBS. You can use the toolbelts with the default configuration of tools, or you can customize the toolbelts by adding and removing tools.

Defining Positioning System for Heavy Lift Barge with AcuSolve
Presentation by Pawel Sadowski, Technical Support Manager at DES ART.

Even during building roads your approach may be different from the standard one. The nature often forces engineers to use their creativity and go beyond typical projects. This leads to some unique, futuristic structures or some additional projects that have to be done and at the end are invisible. Our project of heavy lift barge contains in the second group. One part of this project was to proof that positioning system is sufficient to keep right position at the sea even during unfavorable weather conditions. For this purpose we perform numerous CFD analyses using AcuSolve. Computational cases differed in angle of flow, speed of flow and configuration of the barge. As a result of these all analyses defined working area of positioning system.

Detection & Analysis of Barely Visible Impact Damage & its Progression on a Composite Overwrapped Pressure Vessel
This was a 2013 European ATC presentation given by Valentina Dolci from Thales Alenia Space/Politecnico di Torino. To ensure structural integrity and reduce repair and maintenance cost, in-service health and usage monitoring techniques are employed in many engineering areas.

In this context this dissertation, developed in Thales Alenia Space, has the purpose to create and test an automatic procedure to detect and monitor the damage occurred on a COPV (Composite Overwrapped Pressure Vessel) obtained by filament winding.

Teaching Aerospace Design Optimization
Engineers develop design and analysis skills through application of principles, methods, and tools to the solution of complex, often ill-defined problems. Engineering training that focuses on simple, focused component-level applications teaches some portion of the skills needed to execute real world problems but is incomplete. Altair has experience both deep and broad in applying optimization technologies and has developed a training curriculum aiming to teach engineers more comprehensive design optimization skills and knowledge in aerospace applications. The Altair Aerospace Optimization Academy has been developed as a series of online modules to develop deep design and optimization knowledge and skills in engineers that have basic structural analysis and finite element experience. The training curriculum leads students through complete design cycles using Altair’s advanced optimization technologies and explores the different approaches that engineers can use to develop aerospace designs for a variety of metallic and composite components and configurations.

A Comparative Aerodynamic Study of Commercial Bicycle Wheels Using CFD
A CFD methodology is used to study the performance of several commercial bicycle wheels over a range of speeds and yaw angles. The wheels studied in this work include the Rolf Sestriere, HED H3 TriSpoke, the Zipp 404, 808 and 1080 deep rim wheels and the Zipp Sub9 disc wheel. Wheels are modeled at speeds of 20mph and 30mph, in contact with the ground, using Reynolds-Averaged Navier Stokes (RANS). Drag, vertical and side (or lift) forces are reported for each wheel. Turning moments are also calculated using the resolved side
forces to examine aspects of stability and maneuverability. Drag and side forces over the range of yaw angles studied compare favorably to
experimental wind tunnel results. The previously reported unique transition from downward to upward acting vertical force on the Zipp 404 wheel for increasing yaw angles is observed for all deep rim wheels and the disc wheel studied here. Wheels were also modeled at a critical yaw angle of 10 degrees using Delayed Detached Eddy Simulation (DDES) to examine the transient aspects of flows around moving bicycle wheels. It is hoped that a more complete comprehension of these results will lead to improvements in performance, safety and control of bicycle racing wheels used by amateur and professional cyclists and triathletes.

What's New in OptiStruct 2019
Find out what's new in Altair OptiStuct 2019, THE solver for linear and nonlinear analysis.

System Simulation for HVAC
Presenter: Christian Kehrer, Altair [on behalf of Oliver Höfert, Simulation Engineer at Kampmann]


The increasing virtualization of engineering methods is inevitable. This also holds true for the design of systems that take care for the thermal well-being of humans, e.g. in buildings. If it comes to simulation of so-called HVAC (heating, ventilation, air conditioning) systems, very often high fidelity approaches like CFD are connected to it. In contrary, this contribution illustrates a 1D modeling approach of a heat exchanger in use of Altair Activate.

The presentation explains the implementation of the NTU (Number of Transfer Units) method in a system simulation environment. This includes a short description of the approach itself as well as its current limits. Based on the implementation of a single cell, differing network configurations for the evaluation of use cases of varying complexity will be shown.

Nonlinear Analysis Buyer's Guide
We created this guide to help managers of CAE budgets navigate the multifaceted decisions companies must make when choosing a nonlinear analysis software vendor. Additionally, we’ve compiled some tips and best practices for successfully managing these deployments to satisfy the needs of growing engineering
teams while extracting maximum return on investment.

Upcoming New Wireless Solutions and Applications, including 5G
The rollout of 5G technology is going to be a boon across many industries globally, with the expansion of IoT and connected devices, and where lower latencies are opening the door to time-critical areas like autonomous vehicles, industrial IoT and healthcare. In this presentation we will share new applications and use cases from different major verticals, showing how organizations are designing innovative products using Altair electromagnetic simulation solutions related to antennas, wave propagation modelling, radio network planning and EMC applications. We will also talk about new solutions we have recently launched, and about what is available and coming in 5G.

Multi-Disciplinary Evaluation Of Vehicle Platooning Scenarios
Presenter: Christian Kehrer, Business Development Manager, Altair


This presentation discusses the multi-disciplinary evaluation of truck platooning, with the lead truck sending out acceleration, braking and steering signals for the following trucks to react accordingly. The benefits address safety requirements, fuel savings, traffic capacity and convenience.

The presentation demonstrates why platooning requires a holistic approach in the sense of connecting different modeling and simulation methods for a virtual evaluation of this system of systems.

What's New in HyperMesh 2019 - Meshing and Geometry
Learn about the new features and workflows available in HyperMesh 2019 for meshing and geometry

Lead Time Reduction in Modeling and Visualization
Seminar held during 2018 Global ATC in Paris, France on October 16, 2018.

Altair Tailored Solutions Datasheet
Altair understands that design processes are very specific to individual companies. As part of our commitment to enable our customers to create innovative design solutions efficiently, our services group routinely tailors Altair HyperWorks™ solutions to meet their unique requirements, embedding the simulation platform with client specific intelligence.

Rapid Structural Evaluation of Complex Electronics Assemblies
One of the biggest challenges in the consumer electronics industry is reducing the time-to-market given the highly competitive landscape. Given the lack of time, companies are becoming more and more dependent on virtual simulations rather than physical prototyping to inform the design process. However, performing virtual simulations on large complicated assemblies can also be a tedious and time-consuming process due to geometry simplification and meshing. Additionally, rapid changes in material, geometry, and assemblies complicate the model building process and make it difficult to generate answers comparing various design iterations.

This webinar seeks to introduce a CAD-based simulation process that drastically reduce the time it takes to make informed design decisions on large complicated electronic components. The methods presented in this webinar enable both the design and engineering teams to rapidly explore the performance of large electronic assemblies in seconds as opposed to hours.

ATCx CFD 2020 - Q&A with Torbjörn Larsson, Former Head of CFD for Ferrari F1
Recorded at the ATCx CFD 2020 virtual event, this is a Q&A with Torbjörn Larsson, Former Head of CFD for Ferrari F1.

With previous roles at BMW F1, General Motors and Saab Military Aircraft, Torbjörn has 30 years of industrial experience in fluid mechanics and CFD. Listen to the questions our audience posed to Torbjörn in this 30 minute session.

eBook: Introduction into Fit Approximations with Altair HyperStudy
A first eBook on DOE with HyperStudy has been released in the beginning of 2017. We hope you have appreciated it and learned useful knowledge helping you to improve your studies.

eBook: Design of Experiments with HyperStudy – A Study Guide
The objective of this eBook is to demonstrate how to use Altair HyperStudy to perform Design of Experiments (DOE), i.e. how to identify critical design variables and their contribution to the design performance.

Philomec
Canadian start-up company Philomec specializes in mechanical engineering services that helps companies design and optimize their products using mechanical and biomechanical FEM simulation. Their creation of customized, validated biomechanical models, and the analysis of simulation results by experts allows surgeons to choose the model of an implant and adapt surgical maneuvers to a specific patient, thus reducing the number of implants used, as well as the risk of complications. It is challenging to validate biomechanical models due to the complexity of materials, scarcity of experimental data, and the lack of representation of variability. The application of Altair HyperWorks for explicit multiphysics simulation provides a high-level of confidence in the validity and stability of the musculoskeletal models.

Piloting SimSolid for Fast Directional Feedback to Reduce Product Development Timelines
"The analysis team at CNH is piloting Altair SimSolid™ as a design refinement tool solution for providing fast directional feedback to the engineering team.

CNH has performed some correlation studies against HyperWorks FEA for accuracy, and has established some criteria for identifying the appropriateness of SimSolid in our workflow. It has been determined that good correlation is attainable even with relatively large assemblies. The relative speed in SimSolid vs that of HyperWorks has shown to vary widely from study to study. This presentation shares CNH's experiences and recommendations with this software."

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