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PBS Professional at Boeing: Workflow Management for R & D
The Boeing Information Technology group provides a wide range of computing services to the entire corporation from its Bellevue, Washington computing campus. For the engineers who design Boeing commercial aircraft, the heartbeat of this campus is the Data Center, which houses the high performance computing (HPC) systems that they access to run engineering simulations and analyses.

Parametric Optimization of Fluid Dynamic Simulations using StarCD
HyperStudy's design optimization was combined with CFD simulation in order to optimize fluid flow.

PBS Professional at Trelleborg: An Automotive Design Group Maximizes Productivity
When you look for a new car, you probably think about style, comfort, performance, economy, or innovative electronics. You won't be thinking about the kinds of parts that Trelleborg Automotive makes. But they're there, all right, mostly unsung and out of sight, and you wouldn't want to be without them. Trelleborg, a Swedish corporation with a 100-year pedigree in engineering innovation, makes molded rubber components that damp down vibration and smooth out your ride. They cushion your engine where it meets the chassis. They buffer the mechanics of your steering column and your suspension. Almost all of them do their jobs without ever seeing the light of day – but if your floor gearshift lever has a rubber housing, that housing may have come from Trelleborg.

F-35 Joint Strike Fighter Structural Component Optimization
Lockeed Martin uses OptiStruct to meet the aggressive weight targets on the Joint Strike fighter project. High potential parts for mass savings include compact fittings and planar webs.

Designing All-Terrain Vehicle Frames Using Topological Optimization
Upfront concept design optimization on a all terrain vehicle frame resulted in a 9% mass reduction. Using Design of Experiment (DOE) methods, peak accelerations during crash decreased by 22%.

Significant Weight Reduction by Using Topology Optimization in Volkswagen Design Development
Using Altair’s topology and topography optimization as an integrated part of their design process, Volkswagen is able to reduce mass of engine components by 20% and more

ExoMars Rover Airbag Design and Reliability Optimization
Astrium used HyperStudy with LS-Dyna to not only optimize the landing behavior of the ExoMars lander but also to investigate the probability of failure using HyperStudy’s stochastic engine. HyperWorks’ process automation engine helped to quickly create design variations.

PBS Professional at TGen: Cutting Time to Discovery
In recent years, corporations and research institutions around the world have applied massive computational resources to defining the makeup of the human genome. One of the greatest challenges is to translate that knowledge into therapeutics and diagnostics – which is the mission of the Translational Genomics Research Institute (TGen), a remarkable non-profit organization founded by a joint effort between the State of Arizona, Arizona State Municipal Governments, Indian Tribal Community, educational institutions, private foundations and corporate entities. TGen's work is not only to make genetic discoveries, but also to translate discoveries into benefits for human health in the form of new diagnostic tests and therapies.

Ford Focus STREET: Getting Real in Six Weeks
Technology partners collaborate in style to deliver a specialty vehicle based on the Ford Focus platform.

Enhanced Formability through Hydroforming
Cut sheet metal forming time and costs through simulation-based techniques.

Improving Heating Boiler Acoustics at Viessmann: OptiStruct for Bead Pattern Optimization
Altair OptiStruct can be used to generate and optimize bead patterns for the effective design of sheet metal components. By using OptiStruct’s topography and shape optimization methods, sheet thicknesses can be reduced significantly, leading to both reduced material and a lower overall cost.

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.

Development of a Lightweight SUV Frame Concept
The lightweight SUV frame project was a research initiative with the key objective to reduce the baseline frame structure's mass by 25% by applying concept design optimization upfront.

Concept Design Optimization of Automotive Components
ArvinMeritor succesfully applied topology and topography optimization to various automotive components.

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.

Product Line Extension Strategies
Six key factors enable companies to increase market share and profitability while reducing investment risk.

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.

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.

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.

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.

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.

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

Cross-Coupling between a 3G Transmitter & a Cable Bundle
This white paper demonstrates how the cable modeling interface in FEKO was used to compute cross-coupling effects between a cable bundle and 3G antenna mounted on a vehicle.

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: 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

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).

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.

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.

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 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.

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.

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.

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.



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: 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.

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.

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.

FEKO : Helping to Understand the Universe
The Square Kilometre Array (SKA) : Cutting edge technology, design and innovation

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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.

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.

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 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.

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.

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.


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.

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.

Flux Starter Motor Design - Generator
Watch this recorded webinar to learn how Flux can help with designing Starter Motors.

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.



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 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.

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: 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.



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.


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.

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.

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.

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.

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.

Flux 12.3 New Features
Overview of the new features in Flux 12.3

Combining Near-Field Measurement and Simulation for EMC Radiation Analysis
Electronic components are required to comply with the global EMC regulations to ensure failure free operation. Currently, EMC
measurements in certified institutes are mandatory to certify performance complies with regulations.This paper describes a practical method of combining near-field measurements and simulations to explore the radiation behavior of
electronic components.

Nelson Mandela University: Designing a Winning Eco-Car
Martin Badenhorst, Masters Student at Nelson Mandela University, Port Elizabeth, South Africa, shares how he managed to reduce the weight of their eco-car by 20%.

Approaching Learning Differently at Nelson Mandela University in South Africa
Watch this short video to find out how the Faculty of Engineering is approaching teaching differently with the help of Altair's learning tools.

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Bowtie Antenna
This paper illustrates that FEKO can be applied to the simulation of planar antennas with bowtie antennas as an example.

Conformal Multi-Band Patch Antenna
Simulating the Planar and Curved Antennas in FEKO

Two Arm Spiral Antenna
A two-arm self-complementary archimedean spiral antenna is modelled in FEKO to determine its wideband behaviour.

Modeling of a Magic Tee Waveguide Coupler
A short depiction of FEKO‘s waveguide capability with a magic T coupler as example.


Advanced Radar Cross Section (RCS) Visualization with POSTFEKO and Lua Scripting
This white paper demonstrates how Lua scripts in POSTFEKO may be used to produce advanced visualizations of RCS data that was
computed in FEKO.

A Thin, Low-Profile Antenna Using a Novel High Impedance Ground Plane
The size of the antenna for a given application does not depend purely on the technology but on the laws of physics where the antenna size
with respect to the wavelength has the predominant influence on the radiation characteristics.

Horn-Fed Reflector Antenna
A horn-fed parabolic reflector is modeled in FEKO to determine its radiation pattern.

Cassegrain and Gregorian Reflector Antenna Modeling with MLFMM LE-PO Hybrid Solvers
This white paper demonstrates that the MLFMM-LE-PO hybrid formulation is a very efficient and accurate method for analysis of large
reflector antennas.

Microstrip Bandpass Filter
A microstrip bandpass filter is modeled in FEKO to determine its S-parameters.

Designing an LTE Base Station Antenna with the Finite Arrays Method
This white paper demonstrates how an LTE base station antenna may be modeled with the finite arrays (DGFM) method in FEKO.

Modeling & Analysis of Anechoic Chambers
A white paper demonstrating how FEKO models were used during the design stages of an anechoic chamber that operates in UHF ranges.

MRI Birdcage Coil Design
An application note on the modelling of a 7T MRI birdcage headcoil in FEKO.

Probe-Fed Stacked Annular Ring Antenna
This example illustrates how a probe fed stacked annular ring antenna may be simulated in FEKO.

Radar Cross Section (RCS) Measurement and Simulation of Generic Simple Shapes
RCS targets including the NASA almond, ogive, double-ogive, cone-sphere and cone-sphere with gap were constructed and the RCS was simulated. Simulation data is compared to measured data in open literature.

Pressure vessels: The composite solution from ComposicaD and ESAComp
With composite pressure vessels foreseen as a significant industrial growth sector, Mike Skinner, from Seifert and Skinner & Associates, talks us through their approach and how the composite solution offered by ComposicaD and ESAComp provides efficient design and analysis to meet the emerging markets.

Considering large deflections in panels - ESAComp 4.4 introduces nonlinear analysis
In composite panels with large support spans, deflections are primarily due to bending. Out-of-plane shear can also play a significant role in sandwich structures. While these deformation types are considered in the typically used linear static analyses, the results are not accurate when going beyond the small deflections regime. When a panel is firmly fixed at its edges, it starts to carry loads partly like a membrane already at low load levels. The panel exhibits stress stiffening. Consequently, with an appropriate analysis approach more efficient structures can be designed.

ESAComp meets challenging marine applications
In this article we learn about ESAComp's role in the design-development of a carbon composite RIB "Rigid-hulled Inflatable Boat", the latest project from Dr. Luca Olivari, a naval architect, founder and owner of the Italian company Olivari Composites Engineering.

At the origins of delamination stresses - Free edge analysis gives insight
When you make a tensile test for [±45/0/90]s and [90/±45/0]s laminates you may observe different failure strengths. This may seem first surprising since the laminates are basically the same - only the stacking sequence is different, which should not influence on the in-plane values.

Modern organic architecture with ESAComp
ESAComp software used for the preliminary laminate analysis, to evaluate the structural component behaviour along with the development of the joint system in the Varna Regional Library

Anisogrid Payload Adaptor Structure For Vega Launcher
In the framework of a development project promoted by the European Space Agency (ESA/ESTEC), Airbus Defence & Space (EADS CASA Espacio, ECE) has designed, manufactured and tested a technology demonstrator representative of the payload adaptor (PLA) of VEGA Launcher, by using an anisogrid concept, called anisogrid payload adaptor (APA).

Engineering oriented formulation for laminate lay-up optimization
The concept of elementary laminates is used to formulate the design problem for a
laminated composite structure. A parameterized laminate is divided into stacks with periodic patterns of elementary laminates. With elementary laminates desired regularity for the laminate lay-ups is achieved, which is practical for multi-layer laminates. Due to the reduced design space solution time can be considerably reduced. Two laminate lay-up formulation concepts are presented and their performance is evaluated. The design problem used as a reference case involved the optimization of the stacking sequences to maximize plate buckling loads using a genetic algorithm.

PROBABILISTIC LAMINATE ANALYSIS USING ESACOMP SOFTWARE
Engineering design problems include always
uncertainties such as variation in material properties or environment, incomplete statistical data to generate input, modelling and human errors. Yet, the design in general relies on single numbers obtained from engineering equations. In case of strength prediction the material strength is derived using statistical methods
and the uncertainties is included in the design value (A or B-value).

CFRP Electronics Housing for a Satellite (ESA 2005)
The drive for continuous mass reductions in spacecraft structures has promoted the use of carbon fibre reinforced plastics. CFRP has excellent specific stiffness and strength, which makes it possible to construct lightweight structures. CFRP is typically used in applications where electrical, thermal and radiation protection properties are not decisive.

Transverse shear in Laminate Analysis
This paper describes the method for transverse shear analysis to be applied in the composites design program ESAComp. The correlation of the method to the formulations used in the commercial finite element programs is presented and the results from the selected method are compared to the exact elasticity results. The results show good agreement with the exact solutions for cross-ply and unsymmetric angle-ply laminates. Symmetric angle-ply laminates create bending twisting coupling that the theory cannot accurately model.

FACILITIES IN ESACOMP FOR ANALYSIS AND DESIGN OF ADHESIVE BONDED JOINTS
This paper presents a newly developed analysis and design module for adhesive bonded joints implemented in ESAComp, software for analysis and design of composite laminates and laminated structures.

SmartCore improves energy performance and profitability of Unatec
Unatec, a company with over 10 years in energy solutions consulting, faced the challenge of controlling costs and improving production for energy producers. Uncontrolled costs and incorrect predictions can greatly diminish profits, potentially incurring losses.

SmartCore optimizes fleet management at Boyaca
Boyacá has been handling the daily delivery of newspapers and magazines in Spain for more than 35 years. Fulfillment of time schedules is essential for customer satisfaction and late deliveries can result in additional costs. Boyacá needed to have direct real-time information on arrival and departure times at each hub of the distribution chain in order to control costs with the lowest possible investment. Several hundred trucks are used for delivery every day.

A shell facet model for preliminary design of cylindrical composite structures
The laminated composite lay-up design typically involves trade-offs between material selection, thickness of the layer, orientation of the layers, and the stacking sequence. Finding the right structural concept early in the design process leaves resources for the detailed design. Many structural members made of laminated composite materials have the form of thin walled cylindrical shells that are prone to buckling. Thus it is desirable to find structural designs that satisfy global requirements for structural stability early in the design phases. In this work, thin-walled cylindrical composite shells under different loading conditions have been studied for structural stability. The simulation is performed with a shell facet model implemented in the ESAComp software. Preliminary design tools for structural stability of thin-walled cylindrical composite shells are demonstrated and discussed.

Design-Optimization of a curved layered composite panel using efficient laminate parameterization
Layered composites have proven essential for the successful design of high-performance space structures. The aviation industry are increasingly using more and more layered composites within commercial aircraft, replacing traditional aluminum designs, to achieve weight savings. When optimizing layered composite structures it is desirable to find design solutions that satisfy global requirements early in the design phases. Particularly because of the number of design variables associated with composite layups once models become more detailed are complex:


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.

Using Experimental Test Data In The Analysis Of Laminated Structures
Composite material systems have relatively large variation in their measured properties. A typical approach in engineering problems is deterministic, however. Material stiffness and strength, for example, are described with single values in linear-elastic analyses. Physical dimensions of the material, structural and environmental conditions in the laminate or uncertainties in material properties, for instance, require that several discrete definitions are needed for the material specification.

Design Optimization Of A Composite Car Body
This paper describes how a carbon fiber reinforced plastic body of a future city car was optimized to minimize weight. The frame includes numerous parts, some of which have a simple constant laminate structure and some are more complex having additional local reinforcements. The body must meet the different stiffness and load carrying constraints set by the various load cases.

Design-Optimization Of Cylindrical, Layered Composite Structures Using Efficient Laminate Parameterization
For many years, layered composites have proven essential for the successful design of high-performance space structures, such as launchers or satellites. A generic cylindrical composite structure for a launcher application was optimized with respect to objectives and constraints typical for space applications. The studies included the structural stability, laminate load response and failure analyses. Several types of cylinders (with and without stiffeners) were considered and optimized using different lay-up parameterizations. Results for the best designs are presented and discussed.

Flux Webinar: Efficient Solutions for EM Design Exploration and Optimization
In this webinar we will demonstrate how Altair HyperStudy, HyperWorks’s multi-disciplinary design exploration tool coupled to Flux can help engineers in the design of high-performance products and reduce cost and the development cycle.



Flux Webinar: Improving the Manufacturing Process with Efficient Induction Heating Applications
Heat Treatment is widely used in different industries in different manufacturing processes, such as heating, brazing, hardening, welding, sealing, etc. and in industries, such as food, energy or transportation.

In this webinar, we will show you how Flux simulations can efficiently help to design, analyze and optimize the heat treatment process and equipment.

FEKO Webinar: The Growing Role of EM Simulation for Connected Vehicles and e-Mobility
This webinar will show how FEKO and WinProp are used to solve design and validation challenges related to:

(a) Connected vehicles, including antenna integration aspects. The use of virtual drive tests to reduce the costs and time of extensive road tests being done to study and analyze new connected vehicle functions, and

(b) Wireless power transfer systems and electromagnetic compatibility aspects which are key on electric and hybrid vehicles

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