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Optimization Assisted Design of Military Transport Aircraft Structures

EADS Military Aircraft implemented an optimization assisted structural design process and applied it to the A400M rear fuselage design.

Putting the WHOA! into High-Performance Boats

Baja Marine dives into simulation technology, analyzing force, weight, and resistance to build speedies, and better, boats.

Opportunities in Packaging: Innovation & Savings

Technology allows companies to efficiently develop cost-effective, high-performance packaging systems.

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.

Fire Truck Design

Creativity and optimization technology extend fire-fighting capabilities.

Locking Up a Bike Rack Partnership

An innovative alliance reduces the risks of launching a new product.

Driving Performance with Optimization

Engineering enthusiasts and software tee-off to optimize club driver performance while ensuring conformance to the Rules of Golf.

Seeing Steel in a New Light

Advanced high-strength steels have emerged as one of the most sophisticated materials available for highly engineered product design.

Optimization: Taking a Different Tack

A slick design and the use of new materials make the Fila sailboat a force to contend with on the competitive boat racing circuit.

Get the Most from Your Casting Process

By applying optimization technology to casting process design, manufacturers can produce less expensive, better-quality parts in record time.

Incorporating Manufacturing Effects in Structural Design: Flex & Dent

As automotive OEM’s strive to significantly reduce development costs a common strategy has evolved, to eliminate the testing of physical prototypes and replace by virtual testing (CAE) in order to achieve low cost certification. However, for many components subjected to complex loadings, it has not been possible to achieve correlation between experimental and numerical results. It has long been postulated that the manufacturing process can have a major effect on the structural performance. However, a comprehensive software tool set has not been available to efficiently investigate this effect. This paper details the strategy for the efficient coupling between manufacturing process and structural product simulations. A key element of this strategy is a new software tool Altair HyperMap. This technology is applied to the ‘Flex and Dent’ assessment of an aluminium panel. Invaluable insight into the performance of the panel is obtained by incorporating the manufacturing effects. Correlation of the Flex resistance was substantially improved due to the inclusion of these effects.

An Advanced Method for Optimising Packaging Design

Consumer product packaging designers are faced with conflicting requirements throughout the development process. Good pack aesthetics are vital for the success of the product, whilst unit costs must be minimized and suitability for stacking and transportation maintained. This paper describes, by example, how design optimization technology can be used to enhance the design process. It is demonstrated that the technology can be employed to provide clear design information for the pack designers, facilitating definition of an attractive shape incorporating features to meet the structural and manufacturing requirements whilst minimizing cost.

Applications of OptiStruct Optimisation on Body in White Design

The application of topology and size and shape optimization for the design of efficient automotive components in terms of mass and stiffness has developed into a well practiced discipline. Subjecting a vehicle body structure to this type of development enables the analyst to optimise the size, shape and placement of load bearing members. By defining the most efficient topology, structural targets can be achieved with fewer design iterations, therefore, leading to reduced cycle times and lower development costs. The Altair OptiStruct software suite provides the analyst with an optimization environment which realises this method by providing a ‘right first time’ approach to body design. This paper presents an insight into the development of an efficient body structure subjected to various load cases. Based upon the topology of the load paths, which OptiStruct defines, the paper then details the development of the concept through to a detailed design.

Topology Optimisation Used to Achieve Frequency Targets of an Engine Bracket

Topology optimisation technology is becoming increasingly used in the design process of automotive components. This technology can be applied very effectively to simultaneously achieve static compliance and frequency targets for structural designs. The paper provides an industry perspective on how this technology is applied to a production bracket and the important role the designer and engineer play in converting the optimised material layout into a component which can be manufactured. It is demonstrated that the combination of topology optimisation and design knowledge can provide a design solution which could not otherwise have been achieved.

Numerical Methods in FEKO

FEKO offers a wide spectrum of numerical methods and hybridizations, each suitable to a specific range of applications. Hybridization of numerical methods allows large and complex EM problems to be solved.

FEKO Webinar: Efficient Antenna Array Modelling

FEKO contains various techniques for the efficient modeling of antenna arrays during the design process. The application and advantages of techniques such as periodic boundary conditions (PBC), the domain Green's function method (DGFM) and equivalent sources for efficient array modeling are demonstrated in this webinar.

FEKO Webinar Recording: Time Domain Responses from Frequency Domain Results

Frequency domain results can be transformed to obtain time domain responses. This webinar will cover the signal setup in POSTFEKO and how it relates to the frequency domain specification in CADFEKO.

FEKO Webinar: An Introduction to FEKO

This webinar is aimed at new users of FEKO. Topics covered include the user interface, model set-up,solver selection, tips and tricks, as well as demonstrations.

Resource Scaling for Antenna Placement Modeling on a SAAB JAS-39 Gripen Aircraft

This white paper demonstrates how resource requirements scale for the computational electromagnetic modeling of a modern fighter aircraft when the frequency increases. It also demonstrates how different simulation methods may be applied and how they scal relative to each other

FEKO Webinar Recording: Accelerate Complex Platform Modelling and Simulation with HyperMesh and FEKO

FEKO is the most used and recognized electromagnetic simulation software for antenna placement, EMC and RCS of platforms, including aircraft, vehicles, ships, satellites and missiles. The clean up of the model can be tedious, depending on the quality of the CAD data. In this webinar we demonstrate the workflow of an aircraft EMC use-case focusing on High Intensity Radiated Fields (HIRF). The advantages of using HyperMesh to clean up a model will also be highlighted. FEKO will be used to set up the simulation and show the desired results.

FEKO Webinar: Wave Propagation and Radio Network Planning Simulation with WinProp

The rapid growth of mobile and wireless communications has significantly increased the need for propagation modelling and network planning simulation. This webinar will introduce how WinProp fits into the electromagnetic simulation offering of HyperWorks, including the future plans in connection with FEKO.

FEKO Webinar: EMC Simulation of Automotive, Aerospace & Other Applications with FEKO

This webinar recording provides an overview of features, applications and real use-cases where FEKO is used for EMC simulation, including emissions, immunity, lightning effects, High Intensity Radiated Fields (HIRF), Electromagnetic Pulses (EMP), shielding effectiveness and radiation hazard

Overcoming Challenges in 5G Antenna Design, Radio Coverage & Channel Analysis with FEKO & WinProp

This webinar will show how FEKO and WinProp can be used for the 5G antenna design, analysis of radio coverage and channel statistics including the antenna effect. This allows the requirements to be derived for the 5G antennas, as well as strategies for the 5G network deployment, including the 3.5 GHz frequency bands for area-wide high data rate services and the 26-28 GHz bands for capacity hotspots.

FEKO Webinar: Taking Radar Cross Section (RCS) to the Next Level

Based on practical examples, this webinar will offer a guided tour through computational methods to determine Radar Cross Section (RCS), from objects of just a few wavelengths, to objects of thousands of wavelengths in size.

Radar Applications in Everyday Life

New areas for radar applications are the automotive sector, building security, medical devices, civil engineering, or geophysics, to name a few. This white paper digs a little deeper into radar use in everyday life.

How to use FEKO with HyperMesh

This document applies to FEKO 14.0 and HyperMesh 14.0. Users who would like to make use of the benefits of the advanced meshing features of HyperMesh while solving the electromagnetic aspects of the problem in FEKO, have several options to transfer the mesh from HyperMesh to CADFEKO. This document provides the recommended options and a brief description of how to complete the model setup in CADFEKO.

Schneider Electric uses Flux to Design IoT Actuators

Schneider Electric is a world leader in electrical distribution equipment. Remy Orban, Mechatronic Engineer at Schneider Electric discusses a low voltage circuit breaker actuator design using Flux

FEKO Student Competition Winner 2016 Webinar: Embedded Element Pattern Beam Model for Murchison Widefield Array

Daniel Ung's entry was selected as the winner of the 2016 FEKO Student Competition. A precursor to the Square Kilometre Array (SKA), the Murchison Widefield Array (MWA) radio telescope was constructed in the Murchison Radio-Astronomy Observatory in Western Australia. In this one-hour webinar Daniel presented his report detailing how he made use of FEKO.

FEKO Webinar: Feature Extension & Automation in FEKO through Scripting

The powerful scripting capabilities in FEKO provides users with the means to extend the features available in the interface. Tasks and calculations that need to be performed repeatedly can also be automated allowing users to save time. In this webinar the scripting language (Lua) and the available scripting capabilities in FEKO will be briefly introduced.

Flux Webinar: Starter Motor Design - Generator

Watch this recorded webinar to learn how Flux can help with designing Starter Motors.

Key Benefits of Combining Measurements with Simulations for Antenna & EMC Applications

Altair has been working with Microwave Vision Group (MVG) for many years on the combination of measurements done with MVG antenna measuring systems with FEKO simulations. This webinar will explain how such a combination represents an alternative solution for antenna manufacturers to share data with device and platform manufacturers without exposing their IP.

Analysis of Thermal Stress on Motors - Efficient Multiphysics Tools for Thermal Analysis

In this article published in the Magnetics Technology 2017 edition, we look at the application of efficient multiphysics tools for thermal analysis.

FEKO Webinar: The Use of Model Decomposition and Equivalent Sources for Faster Simulation

System level simulation often involves multiscale type problems, where the structure might be electrically large while also containing details which are significant to the RF performance. These types of simulations can typically require large computational resources. Model decomposition enables these problems to be solved in two steps by using an equivalent (simulated or measured) representation of the transmitting or receiving antennas. Significant reductions in computational requirements can be achieved with this approach.

FEKO Webinar Recording : Designing with Characteristic Mode Analysis (CMA)

Characteristic Mode Analysis (CMA) gives insight into the fundamental resonant behaviour of a structure. This helps engineers to follow a systematic design approach, making use of the parameters calculated with CMA. This webinar covers the latest in FEKO's CMA solver. The webinar starts with a discussion about typical workflows for CMA simulations, giving a better understanding of when and how CMA is best used. Then some recent CMA applications are reviewed and concluding with some exciting new CMA features.

Radar Cross Section of Aircraft with Engine Inlets

At radar frequencies, 1GHz and above, asymptotic methods are usually preferred to calculate the radar cross section (RCS) of targets like aircraft, since the main parts of the target are more than an order of magnitude larger than the wavelength. The challenge is how to combine these methods to compute the RCS. In this white paper the two-step method that obtains accurate results in limited time is detailed.

From Radar Waves to Road Safety

From the moment radar was first invented, it has proved its value in collision avoidance - first at sea, then in the air and later on the road. This white paper gives an overview of the development that has taken place.

Cable Harness EMC/EMI: Cross Talk, Radiation, Interference & Susceptibility

Bundles of electrical cables in vehicles, aircraft, ships and buildings pose electromagnetic compatibility and interference challenges to the electrical design engineer. Due to their lengths, they are more likely to radiate or pick up irradiation than many other electrical components and systems. Through several examples, this white paper will discuss how those challenges can be met with the aid of electromagnetic simulation.

Comprehensive Electromagnetic Analysis and Design

Altair offers a comprehensive suite for electromagnetic (EM) analysis and design. FEKO®, WinPropTM and Flux® form part of the HyperWorks Suite, and are widely used to solve a broad range of electromagnetic problems from static to high frequencies.

Antenna Design Methodology for Smartwatch Applications

Smart devices have touched and enhanced all aspects of our lives, from the way we conduct business to the way we relax at the end of the day. Designing antennas for wearble devices presents a unique set of challenges. In this technical article from Microwave Journal, these issues are discussed.

FEKO Demonstration

See the demonstration of the FEKO product line in action. In this demo, a model will be run through the CADFEKO pre-processor, solved with the FEKO solver, and post-processed with POSTFEKO.

Reflector Antenna with Circular Horn Feed — Analyzed with Ray Launching Geometrical Optics (RL-GO)

FEKO includes several computational methods for the efficient analysis of different antenna types. Here, a large problem is solved with the full-wave and asymptotic methods. Model decomposition is used to simulate the problem more efficiently.

Defence or Civil Radar – it’s a Matter of Wave Propagation

Radar development was essentially motivated by military needs during the second world war, where radar use founded dozens of applications for instance navigation, aircraft location, enemy ship detection, anti-collision, and weather forecast. This white paper discusses the design challenges faced and the solutions available.

mmWave Axial Choke Horn Antenna with Lens

Millimeter wave (mmWave) antennas operate in the band of frequencies where the wavelength is between 10mm and 1mm. The frequency range for mmWave application is thus constrained to be greater than 30 GHz, but less than 300 GHz. Various applications exist in this frequency range, including wide band telecommunication and imaging applications for security screening. This white paper demonstrates how an antenna was designed for communication at 60 GHz.

FEKO for Rotorcraft

FEKO is well-suited for rotorcraft electromagnetic applications including antenna placement, rotor blade modulation, co-site interference, electromagnetic interference (EMI), electromagnetic compatibility (EMC) and radar cross section (RCS).

Flux Webinar: Green Taxiing Application

Understand FEM design concepts behind building a Green Taxiing System and other similar electromechanical devices to help airlines save on fuel costs and cut C02 emissions.

FEKO Webinar: Automotive Radar Design & Integration at 76 - 77 GHz

This webinar covers several techniques and approaches which highlight how FEKO can be applied for efficient and accurate simulation of the radar antenna design as well as the integration aspects, including radome and bumper effects.

FEKO : Helping to Understand the Universe

The Square Kilometre Array (SKA) : Cutting edge technology, design and innovation

FEKO Student Competition Winner 2015 Webinar: Design of Platform-mounted HF Antennas with Enhanced Bandwidth using CMA

For the first time, the winning entry for the 2015 FEKO Student Competition is presented in a webinar format. Professor Nader Behdad from the University of Wisconsin-Madison will present his winning student, Ting-Yen Shih's entry.

Accelerate your Creativity with Flux 12.2

The new version of Flux software brings many new features that will accelerate the engineer’s creativity when designing electric equipment or electromechanical devices. Improvements in 3D modeling, post-processing and transient solving can be seen as well as a faster simulation process. This version allows users to take full advantage of Altair’s unique licensing system. Together with the new connections to various Altair tools, it allows for optimization studies, coupling with vibro-acoustics and system-level analysis.

Automotive Radars - Antenna Design, Integration & Channel Modeling

One of the key enabling technologies in the development of autonomous vehicles is driving aid radar systems. We will highlight some of the typical challenges experienced during the design and integration of automotive radars, as well as the applicable numerical solutions that FEKO offers. Radar channel modelling with WinProp is also presented.

mmWave Substrate Lens Antenna for Wire Communications

Wu et. al. [1] proposed designs for both single and multi-beam mmWave circularly polarized substrate lens antennas in 2001. This white paper demonstrates these designs via FEKO modeling.

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.

Flux Webinar: Design of Electromagnetic Actuators with Flux & Optimization

During this 30 minute on-demand webinar discover how actuators are replacing standard hydraulic motors and how to optimize your design.

FEKO Webinar: Design Optimization with FEKO & HyperStudy

Solving complex design problems with an approach based on intuition can be challenging, especially when multiple design parameters interact with one another and several design goals are targeted. Join us for this webinar in which we will present a brief summary of different optimization methods, together with workflow demonstrations to set up a design.

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