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Numerical Modeling and Experimental Analysis of the Magnetic Noise of the Single-Phase Inverter-Fed Permanent Split-Capacitor Motor_Andrei NEGOITA_OPTIM
Abstract- The paper presents a FEM approach for studying the influence of the capacitor value on the magnetic noise of a network and inverter-fed permanent split-capacitor induction motor. A 4 pole, 24 stator slots and 30 rotor slots, induction motor is modeled under Flux2D Finite Element software in order to determine the amplitude and frequency spectrum of the magnetic forces acting on the stator. The effects of the inverter supply are taken into account by coupling Flux2D with Matlab/Simulink. The results are compared with those obtained from noise measurements performed on the studied motor.

Analyze Design and Control Aspects of Linear Machines Using Co-simulation
This research work describes the permanent magnet linear machines, their characteristics, control and applications. It aims to develop a linear machine model in finite element based software, Flux2D. The Finte Element Method (FEM) model consists of 8 poles and 9 slots where periodicity of poles is used to simulate inifinite travel length. The no-load and nominal load conditions are also simulated to validate the performance of the model. At no-load, the cogging force is simulated and is found to be 1.1N

Low Frequency EMC Analysis of Power Systems and Equipments
Presentation slides by Enrico Vialardi

3D Calculation and Modeling of Eddy Current Losses in a Large Power Transformer
Elimination of hot spots and reduction of eddy current losses in structural parts is one of the important constituents of transformer design. In this work, the eddy current losses in the clamping frame, transformer tank and electromagnetic shielding are calculated using a 3D finite element method. The clamping frame, transformer tank and electromagnetic shielding are modeled by surface impedance method. The paper analyses the effects of electromagnetic shielding and magnetic shunts on the eddy current loss reduction in the transformer tank.

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.

Investigation of Electromagnetic and Thermal Behavior During Fast Dynamics in a PMSM Flux 2D/3D and Motor-CAD Simulation
2013 Flux Conference Presentation

Hall Effect Magnetic Sensors Design for Automotive Application
Samir GUERBAOUI – R&D Engineering

Transverse Flux Induction Heating of Magnetic Non Linear Sheets
FLUX Conference 2013 Presentation

Design Optimization of Traction Motors for EV Applications
Increasing concerns on energy security and environmental pollution by fossil fuel engines have pushed significant research in electric vehicles (EVs). The requirements for traction electrification are highly demanding in terms of efficiency, torque and power density, wid

EMC Modeling of an Industrial Variable Speed Drive With an Adapted PEEC Method
This paper presents an adapted partial element equivalent circuit (PEEC)-based methodology applied to the modeling of interconnections of power electronics devices. Although this method is already well known, the originality of this work is its use to model a device presenting an industrial complexity.

Temperature Prediction And Thermal Management For Composite Magnetic Controllers Of Induction Coils
ABSTRACT. Temperature control of magnetic controllers (concentrators, cores, shields,
shunts) is an essential part of the induction coil design. Prediction and study of the coil
copper have been described in a presentation “Influence of Cooling Conditions on Induction
Coil Copper Temperatures” (V. Nemkov, R. Goldstein) [1]. That study was made using Flux
2D computer simulation program.

Analysis of Hybrid Motor and Drive for Automotive Application
Flux Conference 2012 Presentation

Flux API in Induction Heating Applications
2014 FLux Conference Presentation

Enhancing Surface-breaking Flaw Detection by Induction Thermography Using Flux
2014 Flux Conference Presentation

Reluctance Synchronous Motor Optimization
2014 Flux Conference Presentation

FEM Simulation Tool for Electromagnetic NDT System in Different Inspection Situation and Visualization Platform
Dr. Yasmine GABI
Dr. Bernd Wolter
Dr. Olivier Martins
Andreas Gerbershagen

Using Flux and InCa3D for an Induction Heating Device: Evolutions Since 2010 Flux Conference
Presented at the 2013 Flux Conference

Analytical Model of Permeance Variation Losses in Permanent Magnets of the Multipole Synchronous Machine
Permeance variation in the air gap of the permanent-magnet synchronous machine induces eddy-current losses in its permanent magnets even in the absence of stator currents. This paper proposes a new analytical approach to analyze these losses using the permeance-variation vector function introduced for the air-gap magnetic-flux density distribution to take into account the stator teeth.

Electromagnetic Study of a Transformer
Presented at the 2015 Flux Conference

Electromagnetic and Mechanical Analysis of a Linear Actuator for House Appliance
Presented at the 2015 Flux Conference

Boosting HyperWorks Further with Electromagnetic Simulation
An overview of FEKO's capabilities, key applications, industries and features.

Composite Plate Optimization with Practical Design Constraints
Composite free size optimization has the potential to generate weight savings and performance improvements for many applications of composite structures. Key to realizing such improvements is practical application of design and manufacturing constraints in the optimization model.


Altair Leveraging Disruptive Cloud Technologies
As decreasing hardware prices and attractive business models are democratizing high-performance computing (HPC) resources in the cloud, small- and medium-sized businesses (SMB) now have greater computing flexibility than ever before. 


Design Methodologies for ALM and Lattice parts
Design for additively made parts has become a very hot topic. Many engineers see the potential for topology optimization when designing ALM parts, but once they start the workflow, they tend to get bogged down in how to complete the process.


Advance Electromangnetic Simulations and their Applications in Oil & Gas Industry
Advances in computational electromagnetic tools have made electromagnetic (EM) simulations possible for various applications. Now numerical simulations can be performed to evaluate the effects of antenna design, placement, radiation hazard, EMC/EMI, etc. for wide ranging industry applications. Numerical approaches that include full wave techniques such as Method of Moments (MoM), Multilevel Fast Multipole Method (MLFMM) and asymptotic techniques such as Physical Optics (PO) and Uniform Theory of Diffraction (UTD) are being utilized to solve many challenging problems that were not possible in the past.


Advanced Design, Analysis and Optimization of Composite Structures
With stricter requirements on performance and weight, in many cases, composite materials are now becoming the natural choice of designers and engineers given their desirable characteristics such as low weight and high strength. Material properties can be tuned so they are directional – stiffer in one direction while compliant in another for example.


Multiphysics - A New Generation of Simulation
The application of CAE early in a product’s design cycle can make an important difference in its cost and functionality.  However the level of fidelity of the design early in the cycle limits the application of many traditional CAE tools.   Fortunately this is where systems modeling can be applied due to the nature of utilizing a more abstract representation of the overall system and its components. 


How Advanced Simulation will Impact the Offshore Industry both Now and in the Future
The easy days of Oil and gas extraction is over, and the ability to extract Oil and Gas from harsh enviornments is very dependent on the ability to overcome technical challenges through the use of advanced numerical analysis and simulation.


Challenges to Extending Design Verification and Optimization in Completion Tool Development
The oil and gas industry has shifted dramatically in the past year. The forecast for the industry is extremely different today compared to just a couple of years ago. To adjust, oil and gas producers are focusing on driving capital and operating efficiency to preserve their margins.


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.


FEA Based Design Optimization to Mitigate Anchor Cage Impact Damage Risk
The power of Finite Element Analysis (FEA) simulations can be effectively used for failure analysis and design optimization to improve product reliability and mitigate operational risks. Expandable Liner Hangers used for wellbore construction within the oil and gas industry are complex mechanical systems that require sophisticated setting tools.


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.


UK ATC 2015: How Analysis & Optimisation Help Meet the Time Consstraints in F1
Presentation by Simon Gardner, Sahara Force India


UK ATC 2015: Automated Post Processing of Multimodel Optimisation Data
Presentation by Markus Schemat, BMW Group


UK ATC 2015: Optimisation Driven Design and Additive Manufacturing Applied for ESA Sentinel-1 Antenna
Presentation by Alejandro Cervantes Herrera, Altair


UK ATC 2015: Optimised Rear Twist Beam Design
Presentation by Andrew Charlesworth, Gestamp


UK ATC 2015: A Systematic Approach to Weight Saving of Trailer Towing Systems at Jaguar Land Rover
Presentation by Andrew Blows, Jaguar Land Rover


UK ATC 2015: Enhancing Drop Testing Simulation for Luxury Smartphones
Presentation by Alexandre Michat & Paul Sharp


UK ATC 2015: Dynamic Explicit Analysis & Assessment of a Ships Steering Gear
Presentation by David Hunt, Assystem


UK ATC 2015: CFD - A Practical Tool for Large Passenger Carrying Vehicles
Presentation by Laurence Wood, Plaxton


Fatigue Life from Sine-on-Random Excitation
Fatigue life prediction of structures whose natural frequencies lie near the frequencies of the input loading requires the stress results from dynamic analyses. These analyses can be performed in either the time or the frequency domains depending on the nature or the loading. This presentation will outline the approaches available for fatigue life prediction using Altair OptiStruct and APA product, nCode DesignLife for both time and frequency based dynamic analyses. The strengths, weaknesses and assumptions of each approach will be presented, along with typical applications enabling the user to select the proper technique for their particular use case.

Time v Frequency Domain Analysis For Large Automotive Systems
It has been recognised since the 1960’s that the frequency domain method for structural analysis offers superior qualitative information about structural response; But computational and technological issues have held back the implementation for fatigue calculation until now. Recent technological developments have now enabled the practical implementation of the frequency domain approach and this paper will demonstrate this, with particular reference to the technology limitations that have been overcome, the resultant performance advantages, and accuracy. These techniques are of relevance to all the large automotive OEM’s as well as aerospace T1 suppliers and example case studies from these companies will be included.

Hot Stamping Process Simulation Using Integrated using Structural & CFD Analysis
Hot stamped steel parts are being increasingly used in automotive structures for their higher strength to meet safety standards while reducing vehicle weight to improve fuel consumption. However, manufacturing of sheet metal parts by hot stamping to achieve desired properties is extremely challenging as it involves complex interaction of plastic deformation, metallurgical change, thermal distribution, and fluid flow.

Automated Reporting Director
F.tech R&D North America Inc. started in 2003 at the Troy Ohio location. Today F.tech R&D North America features offices in Troy Michigan and Düsseldorf Germany. F.tech has full R&D capabilities from design and CAE, to prototyping and test. Products include subframes, suspension components, and pedals.

Ensuring Extrusion Product Quality at Die Design Stage
Extrusion of metals is a commercially important mass production process and extruded part are used in a wide variety of applications in in aerospace, automotive, railway, medical, electronics, consumer products and nuclear industries. The key to successful extrusion is the die design and it affects the entire gamut of production process from feasibility to product quality. A die designer faces a complex challenge of delivering a working die and often, problem dies are returned for rework. This directly affect the cost and profitability. Hence, it is critical for a die designer to ensure that the die designed produces the desired profile within acceptable quality and in addition, die is strong enough to withstand multiple extrusion cycles.

Design Optimization of Axles using Inspire and OptiStruct
Use Inspire to form optimization from the packaging space, performance loading and manufacturing constraints to design an axle close to production ready design. The model setup requires careful setting of axle internal component design and oil flow consideration. Since Inspire does not provide weighting for different load cases, the author was able to gain from trial run to determine the balanced load application, mass target and meshing size requirement to obtain realistic design.

High Performance Catamaran Design & Optimisation with HyperWorks
Team Rafale is regrouping aerospace engineers, as well as faculty members and students from ETS (Ecole de Technologie Superieure, in Montreal, Canada), who have taken on the ambitious challenge to design, build and race a C-Class catamaran in The Little Cup. This event, considered as the C-Class World Championship, will see the team face some of the toughest competition around, including contenders for the next America’s Cup such as Franck Cammas (current champion) and designers for current America’s Cup teams.

Development of Reliability Analysis and Multidisciplinary Design Optimization (RAMDO) Software
In manufacturing industry and DoD, developing and producing optimized and reliable
products is the primary goal for success of business, reduction of warranty cost, and success of
military operations. As the CAD and CAE tools are advancing, the simulation-based design
process is often used to obtain an optimum design, prior to prototype development, to reduce the
product development cost. However, a design that is deterministically optimized without
inclusion of input uncertainty will be most likely only 50% reliable.

Electromagnetic Interference in Automotive and Aerospace
Both the automotive and aerospace industries face ever-increasing Electromagnetic Interference challenges. In the automotive case, new problems arise due to proliferation of electric and hybrid cars, which carry high-voltage systems, and of wireless infotainment and safety systems, which use high frequencies. The aerospace industry’s challenges are exacerbated by the use of composite materials and by the need to protect against lightning strikes.
This presentation will discuss many of the challenges and explain how they can be met with simulation. A few practical examples involving cable harnesses will be analyzed in more depth.


Topology Optimization of Nose and Forward Fuselage
The aeronautical sector is facing many concurrent challenges since OEMs have to ensure their commitments in terms of delivery, whereas eco-responsibility, eco-efficiency and sustainable development are becoming more and more significant requirements. In this environment, competition between all players of the sector increase with new comers, offering low cost capabilities and strong investments.

Performance Evaluation, Scalability Analysis, and Optimization Tuning of Altair HyperWorks on a Modern HPC Compute Cluster
Engineers from wide ranges of industries face ever increasing needs for complex, realistic models to analyze the most challenging industrial problems; AcuSolve is designed to tackle these finite element-based Computational Fluid Dynamics (CFD) simulations with superior robustness, speed, and accuracy. AcuSolve simulations are designed to carry out on large-scale computational systems effectively. The breakthrough in HPC parallel computing that allows such complex analyses to be performed that generate the high-quality results, while reducing simulation time from days to just hours. Behind this type of computational improvement that makes AcuSolve perform, it involves complex calculations and data exchanges among computational systems. The more complex simulations are being performed, the higher demands from the cluster performance are. In this analysis, the HPC Advisory Council has performed a deep investigation and profiling for the AcuSolve CFD solver to evaluate its performance and scaling capabilities and to explore potential optimizations. This study presents the optimization techniques and networking profiling results to further understand AcuSolve dependencies on the CPUs, communication networks, IO subsystems and the underlying hardware. The paper will review the effects by comparing various hardware using different simulation models.


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.

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.

Accurate Simulation of Short-Fiber-Reinforced Automotive Parts
For fiber reinforced automotive parts the consideration of anisotropic material behavior is required to receive reliable results. In the scope of this fact a procedure is described how to consider these effects in terms of process-structure interaction and how to achieve possible benefits such as weight reduction and shorter development cycles. The procedure is outlined with practical applications from company Valeo Ligthing Systems and another industrial partner project that is currently still in progress.

Lead Time Reduction using Automatic Reporting Director (ARD) for MAHLE
Mahle is one of the top automotive suppliers and one of the top 3 piston suppliers worldwide. With the recent advancements in numerical simulation and computing power, the FEA process has become a major tool to look at the reliability of different design variants. With these advancements, the reporting aspect remained a relatively unchanged process of manually creating pictures and tables with all of the different results. This presentation will look at the collaboration work between Mahle and the Altair Product Development (PD) team to customize the Automatic Reporting Director (ARD) for Mahle's requirements. The goal was to use to better utilize the engineers time by automatically generating a report with standard formats, pictures, and tables. By using the ARD tool, Mahle was able to reduce the lead time for a report from over 4 hours down to less than 1 hour.

Forming Simulation of Woven Composite Fibers and Its Influence on Crash Performance
The automotive industry, in its constant quest for weight reduction, is increasingly considering composite materials as a substitute for sheet metal components to meet future fuel consumption standards. However, composite forming processes are expensive and difficult to control because of the complexity of the material behavior with fiber and matrix layers or plies and its dependency on many parameters, such as non-linearity of tensile stiffness, effect of shear rate, temperature and friction. Hence, numerical simulation could be a viable approach to predict material behavior during composite forming. The objective of this study is to highlight capabilities of RADIOSS™ to simulate forming simulation of composite plies made from woven fibers, each ply modeled as a layer of woven fibers along two directions of anisotropy, warp and weft. For validation the well-known double dome model published in NUMISHEET’05 proceedings is used. The compared result is the shear angle after stamping that is, the final angle between warp and weft fibers, at several prescribed points on the ply. The variation of this angle has a strong impact on material characteristics which severely deteriorates when a critical value is reached. Hence, a study on crash simulations is performed, after mapping fibers angles from stamping simulation.

Meshing the Human Lumbar Spine
HyperWorks customer Jeff Harris from NuVasive has used HyperMesh to solid hybrid mesh consecutive human vertebrae and discs from a patient bone scan. The meshing, set up in Hypermesh, is simulated using Ansys for motion limits, stiffness, and disc material correlation. Once a model is correlated, disc implants are modeled and simulated with the goal of replacing degenerate discs.

Advances in EM Simulations
This paper introduces some of the recent extensions to the computational electromagnetics code FEKO as released in Suite 7.0. The FDTD (Finite Difference Time Domain) method was added to the selection of available solvers. MLFMM (Multilevel Fast Multipole Method) and PO (Physical Optics) were hybridized for electrically large applications. The RL-GO (Ray-Launching Geometrical Optics) solver was extended and improved in terms of speed and accuracy, and a new interface to import measured near-field antenna data from MVG/Starlab will be presented.

An Automated Head Impact Process Setup for Automobile Instrument Panel (IP) Application
FMVSS 201 procedure originally rolled out in 1968 by Federal Motor Vehicle Safety Administration to protect the automobile occupants from fatal injury during the crash. Since the beginning of the law, the automobile interior safety has become considerably more challenging for manufacturer to meet FMVSS 201 standard criteria. During the course of instrument panels (IP) development, engineers are heavily relied on computer simulation to optimize the design for a more robust design. Based on FMVSS 201, there are an infinite number of target points on the instrument panels that must be tested for head impact performance. Therefore, this becomes not only costly but it is impossible for the manufacturer to test all possible target points using the current conventional process.

The Use of Suimulation (FEKO) to Investigate Antenna Performance on Mobile Platforms
Wireless technologies have proliferated onto automotive platforms as part of infotainment, telematics and active safety initiatives. These wireless solutions present engineers design challenges in the area of applied electromagnetics in terms of antenna design, antenna placement, electromagnetic compatibility and wave propagation. The Applied EMAG and Wireless Lab at Oakland University possesses an outdoor vehicle-level antenna range (80 MHz - 6,000 MHz) and full-wave electromagnetic field solvers with high end computers to solve these issues. This presentation will highlight some of the past and recent research projects conducted in my lab that relied on a full-wave electromagnetic field solver to investigate the issue and subsequently be validated with measurements.

Motivations, Opportunities and Challenges of Additive Manufacturing for Space Application
Additive manufacturing (AM) technologies have progressed rapidly in the last years. Supported by the recent developments of design optimisation tools and manufacturing capabilities, components and parts produced using AM are emerging more and more into the focus of space industry.
The aim of this presentation is to show why AM can be seen a promising manufacturing technique for space industry and in particular for satellite application?
Opportunities and challenges that have to be faced to make 3D printed components “flying” on spacecraft are presented and discussed.
The re-engineering and qualification approach of the already existing Antenna Support Bracket, that is part of the Sentinel-1 spacecraft, is discussed as a case study to bring this topic into the more tangible context of an industrial project.


A Multifunctional Aerospace Smart Skin Emerges from Computational Models and Physical Experiments
The capability to assess the current or future state of the health of an aircraft to improve safety, availability, and reliability while reducing maintenance costs has been a continuous goal for decades. Many companies, government agencies, and academic institutions have become interested in Integrated Vehicle Health Management (IVHM) and a growing effort of research into “smart” vehicle sensing systems has emerged. Methods to detect damage to aircraft materials and structures have historically relied on visual inspection during pre-flight or post-flight operations by flight and ground crews. More quantitative non-destructive investigations with various instruments and sensors have traditionally been performed when the aircraft is out of operational service during major scheduled maintenance. Through the use of reliable sensors coupled with data monitoring, data mining, and data analysis techniques, the health state of a vehicle can be detected in-situ.

Altair NVH Solutions - Americas ATC 2015 Workshop
This Workshop Presentation on NVH was conducted by Jianmin Guan at the Americas ATC on May 5, 2015. This workshop introduced Altair full frequency and multi-physics solutions for solving the most pressing problems in the NVH field. It provided an overview of Altair’s solutions designed to facilitate the best in class NVH design process at automotive OEMs, coupled with real-time demonstrations of key product features. The focus of the workshop is on effective NVH problem resolution.


Electromagnetic and Mechanical Analysis Using the Coupling between Flux and Vibro-acoustics
The purpose of this presentation is to show the different steps of the vibro‐acoustic study of a rotating machines with the new coupling between Flux 2D/3D and ANSYS

ATCx - Multi-objective Optimization of a Heat Sink for a LED Device using SC/Tetra and HyperStudy
Presentation from Yuya Ando that was given at ATCx West on June 18, 2014

ATCx - Structural Optimization of Turbine Engine Components for a Competitive Advantage
Presentation on Structural Optimization of Turbine Engine Components for a CompetitiveAdvantage by Don Holcomb, Staff Engineer, at Honeywell. This was presented at ATCx West on June 18, 2014

ATCx - A Structural Stress Method for Weld Fatigue in both Shell and Solid Finite Element Models
Presentation on "A Structural Stress Method for Weld Fatigue in both Shell and Solid Finite Element Models." This was presented by Jeff Mentley, DesignLife Specialist, HBM-nCode, at ATCx West on June 18, 2014

ATCx - Inspire 2014 Overview
Presentation of "Inspire 2014 Overview." This was given by Russell Vernon, Application Engineer, solidThinking, at ATCx West on June 18, 2014.

ATCx- Hyperviscoelastic Coefficient Determination of a Spherical Impacter using HyperStudy Optimization William Giannetti, Sr. Research and Development Engineer, Swift Engineering
A presentation on "Hyperviscoelastic Coefficient Determination of a Spherical Impacter using HyperStudy Optimization." This was presented by
William Giannetti, Sr. Research and Development Engineer, Swift Engineering, at ATCx West on June 18, 2014.


ATCx - OptiStruct: Modern Solver Technology for Innovative and Lightweight Design
Presentation on "OptiStruct: Modern Solver Technology for Innovative and Lightweight Design." This was presented by Warren Dias, Business Development Manager – OptiStruct, Altair at ATCx West on June 18, 2014.

An Application of Using HyperWorks® Partner Alliance Software for Solving a Structural Problem with Anisotropic Material Properties
Jake Xu, Senior CAE Specialist, Van-Rob

In nowadays automotive industry, innovative materials are demanded to replace traditional metals for a variety of structural components in order to make the vehicle lighter. Meanwhile, there is no compromise of related performance requirements.

Improved Quality Prediction of Injection Molded Fiber Reinforced Components by Considering Fiber Orientations
Sascha Pazour, FEA Specialist, PART Engineering GmbH

For fiber reinforced parts the consideration of anisotropic material behavior is required to receive reliable results. In the scope of this fact a procedure is described how to consider these effects in terms of process-structure interaction and how to achieve possible benefits such as weight reduction and shorter development cycles shown for examples of the industry .


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.

Optimization and Automation for the Naval Shipbuilding Industry
Raj Bishnoi, Account Manager, Altair (on behalf of General Dynamics Electric Boat)

In the Ship building industry, foundation design and verification is a very time consuming task, especially with the repetitive loops of design and validation. If we also include weight savings and shorter turnaround times into the equation, the task becomes even more daunting.

Resolving automotive EMC/EMI problems before they occur
Dr. Martin Vogel, Sr. Application Engineer, EMSS (USA), Inc.

The trend towards more electronic systems in cars continues unabated. Ever more electronic devices, some of them communication devices that radiate intentionally, have to co-exist in an automobile. Cable bundles carrying a multitude of signals in the car body lead to many possible EMC/EMI problems that have to be resolved early in the design stage.

Simulation Driven Weight Saving in Stamping
Dr. Subir Roy Director - Industry Solutions, Altair

With increasing regulation on fuel consumption and emission standards, weight saving has become one of the most important topics for automotive sheet metal design. Advanced high strength materials are becoming more prevalent for new vehicle models to reduce weight while enhancing structural performance.

Simulation for cabin noise inside a car due to external turbulent flow using AcuSolve and OptiStruct
Dilip Mandal (USA), Babak Emami (USA), and Robert Snadboge (Sweden), Altair

We present a new simulation procedure for evaluation of automotive cabin noise caused by external turbulent flow. A methodology for coupled simulations of flow noise sources and structural vibrations has been developed within the AcuSolve and Optistruct solver framework of Altair.

Building and Validating the Finite Element Model for an Expandable Liner Hanger
Ganesh Nanaware, Sr. Project Engineer, Baker Hughes

Expandable liner hangers used for wellbore construction within the oil and gas industry are complex mechanical systems. An expandable liner hanger is a revolutionary technology that is getting special attention during wellbore completion due to its unique capabilities of hanging liner weight under extreme conditions and problematic environments.

Integrated Composites Design with ESAComp and HyperWorks
Markku Palanterä and André Mönicke, Componeering Inc.

The design process of composite structures involves tasks that require special attention and which are not typically covered by general finite element simulation tools.

More innovation using Cradle CFD software
Yuya Ando, General Manager, Cradle North America Inc.

CAE software, including CFD, has been extensively used in R&D in many industries and becoming indispensable tools. However, each simulation is merely one of many aspects an engineer needs to consider about. Therefore, ideally, each tool utilized for R&D is easy, fast, robust, accurate, reliable and being able to interact with other tools to aid the innovation in onefs design.

Virtual and Real Testing to Evaluate Load Security for Heavy Products
Masahiro Takagi, Founder & CEO , eXcearch Corporation

Heavy packages cannot be easily tested in the lab to check the effectiveness of their securements against tip over accidents. We will demonstrate how virtual testing by Altair MotionSolve supported by real testing can be utilized to simulate a real-world tip over accident for examination and improvement.

Optimization Driven Design Applied to Motocross Steering and Suspension Components
Billy Wight, President, Luxon Engineering

The motorcycles used in motocross racing demand light weight and high strength components in order to gain a performance advantage over the competition. A case study of applying Altair HyperWorks optimization techniques, this presentation focuses on the design of a motocross triple clamp assembly and rear suspension linkage.

From Concept to Design Verification in Half the Time
Rick Kerner, Staff Engineer, CAE Structures

Concept ideation on clean sheet designs can consume considerable time on the front end of a new project. From training-in new designers/engineers to collaborating with offshore contract firms, a significant amount of time is sunk into building momentum in a new program.

Scripting with HyperMesh to Automate the Process of Connector Creation and Realization at Tesla
Singai Krishnamoorthi, Technical Specialist, Tesla Motors

The paradigm of using connector entities within HyperMesh is a powerful method of quickly modeling various welds and other connections without having to manually define their finite element representation every time you need to build or update a model.

Free Size Optimized for a Doubler Repair of a Gouge Type Defect on Uniaxially Loaded Composite Sandwich Structures
Timothy Harrell, Structural Analyst, United Launch Alliance

Doublers are commonly used to repair composite sandwich facesheet defects, such as gouges or depressions, because they locally increase the strength of the facesheet in the area of the repair.

Consideration of uncertainties in forming simulation using HyperWorks
This was a 2013 European ATC presentation given by Markus Reinert from DTE Werkzeugtechnik GmbH & Co. KG. In the automotive industry, the lightweight is an increasingly important issue. This leads to the increased use of high strength steels and aluminum. These materials decrease the process capability of forming of many automotive components than conventional materials. It becomes more difficult to predict the feasibility of CAE methods.

Prediction of warpage in welded assemblies
This was a 2013 European ATC presentation given by Dr. Amin Sedighiamri from SABIC. Long glass fiber reinforced polypropylene (PP-LGF) is a material often used in semi-structural automotive components, such as front-end module carriers, door modules, dashboard carriers and hatch back doors. Main process for the production of these parts is injection molding, which generates complex glass fibre length and orientation distributions during processing.

Sequentially Cold Forming Simulation of Complex Shaped Heavy Plates
This was a 2013 European ATC presentation given by Dipl.-Ing. Steffen Garke from Universität Rostock. Swept lines and derived double curved shapes are not only satisfying an esthetic concept, particularly in ship and offshore structure their implementation is essential for certain aspects like drag of the hull. In ship building it is often about one of a kind or miniseries manufacturing. Therefore the demand for a flexible production process for complex formed plates is at hand.

Process Simulation of Tube Stamping on HyperWorks Platform
This was a 2013 European ATC presentation given by Metin ÇALLI from Coskunöz Metal Form . The main targets of automotive industry can been represented by (a) the reduction of the vehicles environmental impact (pollutions, fuel consumption, CO2 emission), (b) the increase of safety (impact absorption performance, crash resistance, pedestrian safety, etc.), and (c) the improved accuracy and quality for easier, cheaper and more reliable joining and assembly of final components.

Sensitivity Evaluation of Welding Seams in Durability Analysis with FEMFAT
This was a 2013 European ATC presentation given by Axel Werkhausen from Manager FEMFAT Support. Modelling of welding seams is very different in most of the FE-codes. Some swear to the detailed modelling with every little detail – totally impractical with long weldseams. Some others like the idea to keep it simple, like FEMFAT users, who describe the seam by coincident nodes of two shell meshes.

DSHplus and AcuSolve - Fluid Power System Simulation Hand in Hand
This was a 2013 European ATC presentation given by Dr. Heiko Baum from FLUIDON Gesellschaft für Fluidtechnik mbH. Today the dynamic behavior of complex fluid power systems is typically simulated with 1D system simulation programs such as DSHplus. But, if accuracy requires modeling details at component level this technique comes to its limits. The representation of pressure losses of complex flow channel geometries, such as the bores in hydraulic manifold of heavy machinery or the customized pipe layouts in automotive applications or aerospace applications, cannot be achieved with a series connection of 1D system components.

Fan Optimization in Automotive Industry
This was a 2013 European ATC presentation given by Dr Macoumba N’DIAYE from Fluorem. SC/TETRA is an all-in-one general purpose Computational Fluid Dynamic (CFD) software using unstructured mesh. It was developed with the specific purpose of "Easily enabling calculation of complex geometries".

Automotive is among the area which mainly use CFD calculation, like at Valeo, an automotive Tier 1 supplier whose thermal system department is responsible for the design, the development and the sale of fan systems for engine cooling (among others components for cooling systems).

Vibration Behaviour of External Payload on Rotorcraft
This was a 2013 European ATC presentation given by David Schmid from RUAG Schweiz AG. The RUAG developed ISSYS Pod (Integrated Self Protection System Pod) is an external countermeasure dispenser / threat sensor system designed to protect the rotorcraft from incoming surface-to-air and airto-air missiles.

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.

Study on structural behavior of an atmospheric re-entry vehicle during ditching
This was a 2013 European ATC presentation given by Dr. Maurizio Coltro from Altran Italia SPA. Water impact phenomenon plays an important role in the context of a controlled ditching in the final phase of an atmospheric reentry vehicle mission. Loads generated by contact against fluid are radically different from those that would generate in the case of a ground impact; it’s therefore appropriate to accurately assess forces distribution to be able to careful predict the impacting body structural response.

Airframe Engineering Process at CASSIDIAN
This was a 2013 European ATC presentation given by Gunnar Clemen from CASSIDIAN. Airframe engineering is supported by several commercial software suites for analysis, design and optimization. The structural strength and stability analysis & verification is usually done by semi-analytical analysis methods taken from HSB (Handbuch Strukturberechnung), ESDU, MIL-handbook etc., which have been developed and validated over a long period of time. These analysis methods are often processed by Excel- or Mathcad-sheets which are fed with geometry data, loads and/or stresses as well as material data, in order to determine structural reserve factors.

Unlock 55+ Partner Applications with Your HyperWorks Units
This was a 2013 European ATC presentation given by Stephanie Scapa from Altair.Traditional licensing schemes do not promote the discovery of technology or offer the flexibility of choice. To combat this, Altair utilizes its unique subscription-based licensing model to extend the HyperWorks Suite with its partners' complimentary products.

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