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White Paper: Linking System Requirements with Product Performance for Design Balance

XLDyn® allows the product engineer to develop and track requirements associated with different verification methods, so the current project status is always available. In addition, XLDyn® has fully integrated system level Design of Experiments (DoE) that provides valuable design guidance to select the best set of parameters or parts. Even test data can be included in the DoE.

White Paper: An Efficient Workflow for Composite Design & Analysis Using LAP, CoDA & Laminate Tools with HyperMesh

The task is to define optimal composite material and laminate property data, using HyperMesh in combination with Anaglyph’s composites design and analysis software tools.

SimLab 2017 Brochure

SimLab is a process oriented, feature based finite element modeling software that allows you to quickly and accurately simulate engineering behavior of complex assemblies. SimLab automates simulation-modeling tasks to reduce human errors and time spent manually creating finite element models and interpreting results. SimLab is not a traditional off-the-shelf pre- and post-processing software, but a vertical application development platform for capturing and automating simulation processes.

Webinar: Global-Local Workflows and High-Fidelity Stress Analysis for a Wing Flap Hinge Fitting

In this webinar, we analyze a part from Altair’s Aero Wing concept, the flap hinge fitting, and perform a global-local case study to provide confidence in its optimized design. This global-local workflow process may then be repeated for any other component of interest within the Aero Wing structural assembly.

Electric Field Simulation with Flux

Electric Field Simulation Application Sheet

FluxMotor 2018 Brochure

FluxMotor is a flexible open software tool dedicated to the pre-design of electric rotating machines. It enables the user to build a machine from standard or customized parts, add windings and materials to run a selection of tests and compare results. Based on modern technology, the standalone platform offers fast and accurate computations. When necessary, connection with Flux finite element software enables more advanced studies, taking into account more complex phenomenon.

Power Cables and Busbars

Power cables, power bars and busbars are used to distribute and transmit electrical energy through the grid. Their design must comply with several electromagnetic and thermal constraints to guarantee high performance, safety and efficiency. Altair offers the innovative Flux software to answer these challenges.

Electromagnetic Compatibility

To meet time-to-market requirements and comply with product specifications, the virtual prototyping of EMC phenomena is widely performed in the early design stages. Altair provides complete simulation solutions to address these challenges for low and middle frequencies.

Optimization Methods

Read more about the optimization methods available to be embedded with Altair's Optimization SDK.

Flux 2018 Brochure

Capitalizing on 35 years of innovation in the global context of design optimization and time-to-market reduction, Flux finite element software provides solutions to low-frequency electromagnetic and thermal simulation problems. Flux includes an open and user-friendly interface that is easily coupled with other Altair software to address Multiphysics problems for a variety of systems in 2D, 3D and Skew modeling situations.

Flux Webinar : Designing Reliable MV & HV Power Grid Equipment

Aging transmission infrastructure has to be modernized to deliver electricity more reliably and efficiently. Asset owners of the ecosystem such as manufacturers, service providers, and government offices have to consider the multiple challenges around energy transmission.

FEKO Webinar : New Features in FEKO 2018, including WinProp

In this webinar we will be presenting the exciting features in the new FEKO 2018 release.

Flux Webinar : Designing Efficient and Sustainable Energy Generation Equipment Thanks to Simulation

From conventional to renewable energy and large-scale power plants to in-house systems, energy generation has to be efficient and sustainable to supply the grid and support different needs.

Flux Webinar : Safe and Flexible Distribution : Smart Grid Equipment Design

From power plants that regulate their power output, to the coordination of centralized and decentralized energy supplies and fluctuations in power needs - Smart Grid is gaining importance and is expected to provide on-demand management.

Webinar: A Modular Simulation Process and Data Management Solution Using HyperWorks, ModelCenter and SimData Manager

Engineering design has greatly evolved with the advent of simulation tools and computing power. Simulation software such as Altair HyperWorks suite have enabled virtual design greatly reducing or even replacing physical testings. Process integration tools like ModelCenter from Phoenix Integration have enabled the engineer to automate the execution of the simulation tools and explore complete design spaces instead of searching for the first feasible solution. The large amounts of data that are now being generated can be managed using solutions like SimData Manager from PDTec. This webinar focuses on a prototype integration between these three products. The tools are brought together to enable automated execution of complex simulation processes involving structural analysis and CFD using Altair OptiStruct and AcuSolve solvers with built-in data management and traceability.

Rapidly Exploring Electric Vehicle Architectures with C123

To overcome the challenges of developing a vehicle architecture shared across a range of electrical vehicles, National Electric Vehicle Sweden (NEVS) leveraged Altair’s unique three stage concept development process, C123 using a combination of optimization technologies, design processes and engineering expertise.

FEKO Lua Script: ISAR Image Processing

The script computes and displays an inverse synthetic aperture radar (ISAR) image from backscattered radar cross section (RCS) data over frequency and angle. Windowing functions, resampling and extracting the local maxima positions to file are supported. The script requires a far field RCS request or far field RCS data imported from a file containing far field data (a .ffe file). Data imported from a .ffe file must be added manually to a 3D view.

Using FEKO® to reduce heating during MRI for Deep Brain Stimulation

Dr. Clare McElcheran, who recently completed her Ph.D. at the Sunnybrook Research Institute (SRI), led a project at the lab involving the development of ways to try and safely image patients with Deep Brain Stimulation (DBS). For the creation of a method to reduce heat during MRI procedures in DBS implants, FEKO was used in simulations, allowing investigation of several input parameters without actually having to perform large amounts of overt experiments. The benefits were lowered costs for testing, and the ability to predict and reduce globalized heating at the tips of the electrodes.

The Design Revolution Offered by Combining Additive Manufacturing with Simulation Driven Design

Topology optimization is a computer based calculation procedure which can design mechanically stressed component structures in such a way that the highest possible rigidity can be achieved with minimal material usage. Only those parts of a component which are essential for the required flux of force and necessary stability are generated. This results in complex structures which can only be built partially or not at all using conventional production processes. At this point the advantages of additive manufacturing come into focus.

Minimising Interior Noise in Electric Vehicles

National Electric Vehicle Sweden (NEVS) leverages use of the Altair Squeak and Rattle Director in identifying and minimising risks of interior noise in electric vehicles.

Simulation Driven Design for Efficient Electric Machines - What's New in FluxMotor 2018

The electric motor design process can be long and tedious. Modern design tools enables designers to quickly evaluate and compare machine techinical-economic potential. Discover how FluxMotor can radically change the way machines are designed, through each stage and be able to use standard or customized parts, add windings easily and quickly attribute materials before computing its performance.

Flux Webinar: Accelerate your Design Process with Flux - Dealing with Complex 3D CAD Models

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

Design Optimization with FEKO and HyperStudy

See how easy it is to use the Optimization SDK in other applications.

White Paper: Manufacturing Chain Modeling with Virfac® Using HyperMesh

Running simulations before production is often a credo for many industries using manufacturing processes like welding, machining, heat treatment, etc. Virfac®, which stands for Virtual Factory, is the perfect tool to predict, anticipate and optimize the thermal & mechanical behavior of the workpiece along the entire manufacturing chain. Please see hereafter a three-step chaining process, using a HyperMesh mesh, starting with a “T-joint” welding, followed by a machining process, and finally ends with a heat treatment.

Use of Composites Materials in Architecture

Atanas Zhelev and Mariya Korolova (Digital Architects - Vienna, Austria) and Daisuke Hirose (Archicomplex - Tokyo, Japan) made a design proposal for the Architecture competition for a bid at the Varna Library in Bulgaria. Their proposal features a composite of birch wood and carbon fiber laminate which got structurally designed with ESAComp. This video gives a short introduction to the project.

Sella Chair - Form Follows Performance

Short video describing the design and production of a design chair by Architect Atanas Zhelev (Digital Architects, Vienna, Austria). This design piece demonstrates the feasibility of his Active Grid Monocoque System (AGM) he uses in his work for highly curved, wide spun architecture. The analysis has been done with Altair products, foremost ESAComp and OptiStruct.

Converge 2017: Chad Zamler "Simulation Driven Design in the Cloud"

Chad Zamler, Marketing Director of solidThinking, presents at Converge 2017 in Essen, Germany

Converge 2017: Sebastian Möller "The Digitalization of Biomimicry Design from the Ocean"

Sebastian Möller, Projektleiter at ELiSE Alfred Wegener Institut, presents at Converge 2017 in Essen, Germany

Converge 2017: Stefan de Groot "A Tooling Revolution for Plastic Injection Molding - with Additive Manufacturing..."

Stefan de Groot, Technologist Additive Manufacturing at PROTIQ, presents at Converge 2017 in Essen, Germany

Converge 2017: Gabriele Romagnoli "Development of a new lightweight aluminum profile for a glass balustrade..."

Gabriele Romagnoli, Head of Structural Engineering at Farone, presents at Converge 2017 in Essen, Germany

What Can We Learn from Nature for Modern Architecture Structures?

Eric Rusinol, an Architect from The Sagrada Família Foundation, gives us some insight into the project to finish Antoni Gaudí's iconic Cathedral in Barcelona, touching on the teams use of optimization and concept generations technologies from Altair.

Development of a New Lightweight Aluminum Profile for a Glass Balustrade

The design of architectural components such as a balustrade can be challenging, since the design does not only have to look good, it also has to meet several safety requirements and standards. In addition, all designs have to be developed within the shortest time possible. To meet these challenges the engineers, architects and designers at Faraone are always looking for solutions that can reduce their design and testing cycles.

Webinar: CONVERSE-RADIOSS Integrative Simulation of Short-Fiber-Reinforced Plastic Components

In this webinar, learn how CONVERSE enables the consideration of the real anisotropic mechanical behavior of short-fiber-reinforced materials in an FE analysis. More precisely predicting part stiffness and failure. Significantly enhancing FEA reliability.

Multi-physics Electric Motor Optimization for Noise Reduction

In an electric machine, the torque is generated by electromagnetic forces which also create some parasitic vibrations of the stator. These vibrations excite the mechanical structure on which the motor is fixed and generate sound. When designing the electric machine, this aspect has to be taken into account from the start since it depends on the harmonic content of the currents that feed the machine, on the shapes of the rotor and stator, and on the interaction of the electric frequencies with the natural mechanical modes of the structure. To simulate this phenomenon, a coupling between electromagnetic calculations and vibration analysis has to be set-up. Some optimization procedure can also be added in order to reduce the noise. In what follows, it is shown how Altair HyperWorks suite; specifically FluxTM, OptiStruct®, HyperMesh® and HyperStudy® products have been successfully used to perform a multi-physics optimization for noise reduction in a fuel pump permanent magnet motor.

Thermal Analysis of Electrical Equipment A review and comparison of different methods

Nowadays, it is more and more difficult to design electro-technique devices without having a look at thermal stress. In more and more applications (more electric vehicles, more electric aircrafts, …) designers need to reduce weight, cost, increase efficiency, and keep the same security factor. One possibility is to increase current for the same device, needing to check how to draw away the heat. This is why the classical approximations need to be cross checked with complementary analysis. These new tools have to be rapid and accurate in order to run parametric and even optimization analysis. There is also a need for fast model in order to check robustness versus driving cycles. The goal in this article is to review rapidly the different methods available, depending on the accuracy required and the solving speed. The method includes equivalent thermal circuits, Finite elements methods and CFD analysis.

Altair and Ziegler Instruments Combine Experience and Technologies to Identify and Eliminate Squeak and Rattle Issues

Altair has partnered with Ziegler-Instruments to enhance its Squeak and Rattle Director (SnRD), making it the most advanced and comprehensive solution on the market to predict and eradicate squeak and rattle phenomena in vehicles, aircraft and other products sensitive to Noise, Vibration and Harshness (NVH). The addition of Ziegler-Instruments’ PEM material database gives Altair’s SnRD clients access to the results for over 11,000 individual stick and slip phenomena for different materials pairs. In this video, Patrick Schimmelbauer and Jens Herting of Ziegler Instruments give an overview of the partnership and what it means to companies needing to address squeak and rattle issues.

ESAComp-HyperWorks Interface Recommended Workflows

The use of the ESAComp-HyperWorks interface for enhanced post-processing of laminated composite structures is introduced.

No more Gone with the Wind – Pedestrian Comfort Improvements on Quinta Torre with AcuSolve Computational Fluid Dynamics

Officially known as the Caleido project, the Fifth Tower in Madrid is owned by Inmobiliaria Espacio, a company that, among other services, deals with infrastructure and construction for all types of buildings.

ESAComp for Composite Pressure Vessels

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

Americas ATC East: Dave Bogema - Experiencing NVH First-Hand with Brüel & Kjær

Dave Bogema, Product Manager - NVH Refinement at B&K, presented at the 2017 Americas ATC East in Detroit, Michigan. Check out his one-on-one interview!

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Developing More Accurate and Reliable Vehicle Component Models in Less Time with Software Automation at Changan Automobile

Pre-processing vehicle models is time consuming and complex, with many opportunities for error if done manually. Altair build a custom software solution to automate most of the pre-processing tasks.

Case Study: Carriots Enables Real-Time Foundation Monitoring for Omnifor

In the western part of the Netherlands, the soil has insufficient bearing capacity to allow for the construction of buildings and houses. To overcome this issue, buildings in this area have been built on timber pile foundations. These foundations have to be fully submerged in water to avoid pile deterioration from rotting and fungi. Property owners wanted a way to monitor the structural condition of their timber pile foundations. Omnifor teamed up with Carriots and created a platform for structural health monitoring to track any signs of deterioration or shifting of the foundation. Data is collected at a specific rate to track the evolution of the deterioration along with an estimate of how long the property owner has until repairs are necessary.

Model Mesher Director Datasheet

Altair's Model Mesher Director (MMD) is a fully integrated, user-friendly solution that empowers engineers to import & modify geometry and mesh models with specific mesh criteria automatically with the power of Altair HyperWorks tools. Company’s face the challenge of analyzing ever larger and more complex models.

Weld Certification Director Datasheet

Altair's Weld Certification Director (WCD) is a combination of a base software with customer specific additions and integrated services that allows engineers to accelerate the time taken to identify and analyze the performance of weld lines against mechanical requirements.

Pioneering Real Wireless Power Delivery™ at Ossia Inc.: FEKO in the Simulation Process

Ossia’s patented wireless power Cota® technology is delivered much like Wi-Fi, is inherently safe, and provides real wireless power through the air and over a distance, even while the device is in motion. Using FEKO® for simulations to demonstrate that the SAR limit for COTA technology use for wireless power charging is within the FCC mandated limit of 1.6 watts per kilogram.

Virtual Gauge Director Datasheet

Correlation between CAE and tests results is very strategic activity. It boosts the confidence in the development of the product. Altair’s Virtual Gauge Director (VGD) is a combination of customized software and services that enable engineers to extract the results at the exact position of the strain gauge as in the test lab, interpolate the results at an identified CAE location, compute results in the local coordinate system of the gauge, and give a correlation index confidence. The Director can also be used to interpolate stress or strain values at any placement in the model.

Model Verification Director Datasheet

Altair's Model Verification Director (MVD) allows engineering analysts to validate CAD model data received from the design teams, automatically identifying potential issues that could slow down the pre-processing stage of the simulation life cycle. The MVD is embedded into HyperWorks pre-processing technology, HyperMesh and integrated into the Assembly Browser.

Impact Simulation Director Datasheet

Altair's Impact Simulation Director (ISD) solutions empower engineers and designers to simulate the impact performance of designs faster to cost-effectively produce higher-quality products. ISD solutions automate the laborious, manual tasks associated with model setup, analysis, post-processing and reporting.Highly tailored to an organization's specific procedures and best practices, Altair's ISD solutions reduce development time and costs while enhancing product robustness and performance.

Weight Analytics Datasheet

Altair's Weight Analytics (WA) solution manages the entire Weight and Balance (W&B) process empowering engineering and management teams to control and ensure W&B attributes meet program requirements. Deployed as a common weight management tool across the enterprise, WA enables faster and more accurate decision-making with on-demand access to visualize, analyze and predict W&B at any point in time during the entire Product Lifecycle (PLC).

Squeak and Rattle Director

Altair's Squeak and Rattle Director (SnRD) is a novel set of software automations to rapidly identify and analyze design alternatives to eliminate the root causes of squeak and rattle (S&R) in assemblies. Tailored to be deeply integrated within your environment and processes, SnRD offers a complete set of capabilities to streamline the entire S&R simulation workflow process from model creation to results visualization.

Geomechanics Director Datasheet

Altair's Geomechanics Director (GeoD) allows engineers and scientists, especially in the Rock Mechanics and Geology groups at Oil and Gas companies, to build finite element models from subsurface geology quickly and efficiently.

NVH Director Datasheet

Automotive Noise and Vibration Analysis involves some of the largest and most complex models being used for Finite Element Analysis. Models regularly involve millions of finite elements, with thousands of components and properties, along with the connections between those components.

The Three-Click Workflow of nanoFluidX, HyperMesh, and SimLab

The webinar will begin by presenting FluiDyna GmbH and by giving a short introduction to the nanoFluidX (nFX) code. After that the attendees will get a more detailed description of the work flow, emphasizing the ultra-simple pre-processing capabilities of the HyperMesh 14.0.110 and upcoming SimLab 14.2, which allow particle generation with literally three clicks per element. Some details about the solver will also be presented, particularly pointing out the speed up the customer potentially gains in turn-around time for oiling simulations by using nFX on GPU’s. We shall also present the new ParaView 5.0.1 with special SPH features, as well as FieldView version (which should show up by the webinar). Finally, summary and licensing details will be provided for nFX.

Automated Reporting Director Datasheet

Altair's Automated Reporting Director (ARD) empowers engineers by removing the non-value add tasks associated with the mechanics of report generation. Engineers can focus entirely on interpreting and understanding simulation results as opposed to manually creating required reports.

Originating a safe Fun Utility Vehicle (FUV)

The challenge in the development of Arcimoto’s SRK Generation 8; an all-electric, multi-purpose/utility commuter vehicle, included creation of an optimized platform that offers 3-wheeled stability, a space frame enclosure for protection, and a rear swing arm that handles the load requirements and also follows the visual design of the vehicle. HyperMesh® provided an environment for rapid model generation allowing Arcimoto to answer queries by helping them perform the analysis in OptiStruct® in an easy, time efficient manner. Using RADIOSS® for the physics helped them achieve repeatable and accurate results, reduce simulation cycle times and allow for evaluating multiple design scenarios thus enabling better decisions.

RAMDO - HyperStudy & OptiStruct Example

This step-by-step tutorial details how to use RAMDO with HyperStudy and OptiStruct.

ultraFluidX Brochure

ultraFluidX is a simulation tool for ultra-fast prediction of the aerodynamic properties of passenger and heavy-duty vehicles as well as for the evaluation of building and environmental aerodynamics.

Using HyperWorks® to Optimize Structural Strength for Argon 18 High-performance Bikes

Argon 18 recently partnered with the ÉTS Research Chair on Engineering of Processing, Materials and Structures for Additive Manufacturing to manufacture a new track bike for Lasse Norman Hansen, one of the athletes competing for the Danish team in track cycling at the 2016 Rio Olympic Games. Their aim was to develop a bike that was stiffer, highly integrated, more aerodynamic, providing greater efficiency. An important aspect of the project was the development of a new aluminum stem to be used by Mr. Hansen in the Flying Lap event which is achieved by the fastest lap from the moving start. Altair solutions included OptiStruct for structural analysis, AcuSolve® for CFD, and Virtual Wind Tunnel.

OptiStruct® Makes Life-form Inspired Table a Reality for IL Hoon Roh

Inspired by zooplankton Radiolaria, artist and architect IL Hoon Roh began creating series of objects known as “Radiolara Experiment” which, through extensive experimentation and collaboration with Altair, ultimately led to the creation of the sophisticated Table Ex-08.

Sujan CooperStandard Achieves Lightweighting and Performance Targets with Altair

Sujan CooperStandard manufactures (anti-vibration) NVH products for leading automotive companies. Currently, the automotive industry is under extreme pressure because of environmental norms and has to adhere to stringent government policies related to pollution control and one of the simplest ways to address these is to optimize designs and reduce weight of products and components. They began using Altair HyperWorks on the on the recommendation of their joint venture partner CooperStandard. The team decided to improvise design of their Torsion Vibration Damper using Altair solutions like solidThinking Inspire to optimize designs of the brackets and OptiStruct for structural integrity of the designs. Altair solutions have helped Sujan CooperStandard get their product designs right the first time and consistently meet their time, cost and quality targets.

Webinar: Realizing the Digital Twin

This webinar will highlight the benefits of integrating Altair’s HyperWorks and Carriots software platforms for realizing Digital Twins.These products combined offer a tight integration between the essential parts of a digital twin process: device management, data collection, analytics and simulation-driven design. A case study on condition monitoring and predictive maintenance will be shown to demonstrate the process.

Webinar: Structural and Thermal Coupling with Electromagnetic Systems

Electromagnetic phenomenon may induce undesired effects such as heat or vibrations. To predict and correct them by simulation, it is necessary to couple all phenomenon. Altair HyperWorks software suite is a perfect solution for this and in this webinar, two use cases will be demonstrated, where Flux is coupled with OptiStruct and AcuSolve.

Innovative Drone Propulsion Design using Model-Based Development

To assist Kappa Electronics’ customer with controlling the motor for a new drone design, Altair’s solidThinking Embed was used for high speed simulation of motor electronics and control dynamics to develop a novel method of sensorless field-oriented control.

White Paper: Optimizing Strain Gauge Placement with LW Finder & HyperMesh

This white paper demonstrates how to find the optimal locations to place strain gauges on a casted bracket in order to accurately measure loads.

Webinar: Introduction to Optenni Lab

This webinar is an introduction to Optenni Lab, a software tool for the synthesis and optimization of matching circuits for antennas, radio-frequency (RF) amplifiers and other wireless and high frequency electronics applications.

Design of Permanent Magnet Axial Flux High Power Wind Turbines Generators (MW range)

Design of Permanent Magnet Axial Flux High Power Wind Turbines Generators (MW range)

Addressing Design Development Challenges Through Simulation Driven Platform

Automotive suppliers are facing many challenges in having in-house simulation capabilities compared to that of OEM’s. One of the ways to overcome these challenges is to invest in simulation technologies that require an affordable initial investment, the ownership cost of which is low, the codes are reliable & proven, and the suite of tools provide suppliers access to a broad range of solvers (a true multi-physics environment) helping them pick and choose the solvers as per their simulation requirements. In the early stage of in-house simulation implementation at Endurance Technologies, HyperWorks was being adopted primarily for pre and post processing due to its extraordinary FE modeling solutions. With constant support, Altair team has helped Endurance in exploring and implementing various HyperWorks solvers at Endurance Technologies.

Hydrogenerators Finite Element Modeling with Flux

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

Modelling Insulating Parts in MV HV Equipment with Flux

Modelling Insulating Parts in MV/HV Equipment enables to - To predict and avoid dielectric breakdown - To compute and minimize electrical stress HVDC lines Lightning strikes - To decrease the oversizing

Altair Aerospace: Bird Strike and Other Nonlinear Transient Analyses

This webinar covers bird strike analysis on a wing, starting out with model setup, going over the impactor management and ending in the analysis of the results. Another topic to be discussed is the forming simulation of a composite rib and result mapping.

Webinar: Key Success Factors to Realize Your Internet of Things Vision

Listen to our guest speaker, Forrester Principal Analyst Martha Bennett, as she discusses insights and researched on IoT.

Webinar: From Device Data to Knowledge – Analytics for IoT

Learn how Carriots Analytics – A cloud native data analytics platform can be leveraged for your IoT initiatives. You will discover the importance of unified platform for historical, real-time and predictive/prescriptive analytics and the need for IoT focused analytics platform to be able to combine device data with business systems data.

Altair Aerospace: Design and Optimization of a Radome

This 25-minute webinar covers the material characterization and optimization of a radar dome (radome) build out of carbon and fiberglass. Also to be discussed is the design and optimization of a radar antenna and the simulation of a radar integrated behind the radome and wing structure.

Webinar: Efficient Composite Design Workflow with Anaglyph Products & HyperWorks

Dr. George Kretsis, Managing Director of Anaglyph, a leader in composites solutions, will present their approach for defining optimal composite material and laminate property data. The webinar will present the workflow between HyperMesh and Anaglyph composites software for preliminary analysis and design: LAP, CoDA and Laminate Tools. It will be a very practical guide, with live software demo, starting from the laminates generation using LAP, testing with LAP and CoDA, stack creation with HyperMesh and completing the task with Laminate Tools for finer details.

Altair Aerospace: Fail-safe and Multiphysics Optimization

This webinar covers the complete fail-safe optimization process of a wing rib starting with the search of a new and more efficient design to the calculation of optimum dimensions. The replacement of a metallic fitting by an organic 3D printed version, while increasing performances and decreasing mass reduction is discussed as well. HyperStudy has also been used to perform multi-disciplinary studies throughout the process.

Webinar: Applications for Thermal and Fluid Coupling

Altair’s AcuSolve CFD solver is capable of simulating complex multiphysics phenomenon including Heat Transfer-CFD coupling. In this webinar, two use cases are presented, using two very different calculation approaches.

Webinar: Implementing your IoT Strategy

This webinar will showcase how to take advantage of Carriots™ end-to-end Internet of Things (IoT) platform designed for today’s industry needs and tomorrow’s innovations. You will learn about this smart Platform as a Service (PaaS) designed for machine to machine (M2M) and digital twin projects.

Installation Guide: nanoFluidX 2.09

Brief installation instructions.

Webinar: HyperWorks for FSI Simulations

Altair’s HyperWorks software suite offers a wide variety of solvers able to simulate complex physical phenomenon, including multiphysics. Therefore, complex FSI applications can be solved, such as ditching or aeroelasticity, as will be shown in the two use cases presented in this webinar.

Webinar: The Digital Twin gateway: Simulation in the age of IoT and industry4.0

The data collected from IoT systems creates an opportunity for engineers to improve their systems and designs. IoT development platforms, such as Altair’s Carriots, help engineers onboard these systems and designs into an IoT ecosystem. In this webinar and product demo, you will learn: IoT use cases from various industries Data analytics that improve how you and your customers interact with your products Key Carriots features to connect your devices and systems to the IoT

OptiStruct for Structural Analysis: Not Just for Optimizations Anymore

Reprint of Engineering.com article on OptiStruct as a structural analysis tool with built-in optimization capabilities

Altair Aerospace: Design a Flap Mechanism with Multibody Dynamics

This short webinar will discuss coupling of aerodynamics loading, structures vibration, mechanisms deployment and hydraulics actuation in the simulation of a high lift device. This session also includes the simulation of structure loads and actuation efficiency during flight maneuvers. A fatigue analysis ensures the longevity of the new design.

Webinar: Shifting Gears - GPU Particle Based Simulations for Gear-train and Powertrain Components

This webinar will focus on the work-flow of nanoFluidX, emphasizing the importance of oiling in modern gear-train and powertrain components, as well as potential financial and time savings associated with using nanoFluidX.

Webinar: Designing Smart Connected Products and Wireless Networks for IoT

This webinar will explain and show through real use cases how Altair HyperWorks simulation platform and solidThinking design software solutions are helping companies to design and optimize the connectivity of innovative products going from small devices, through connected vehicles, and to wireless sensor networks for cases like industrial applications.

Better Indoor Climate thanks to Simulation and Optimization

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

How to Efficiently Design Power Transformers

Nowadays Power Transformers need to optimize their efficiency to make sure a minimum amount of losses are generated from the various physical phenomena. Flux Finite Element studies allow transformer designers to accurately analyze the different losses (Joule losses, iron losses, stray losses) to enhance the performance of their transformers. A few steady-state and transient tests permit determining the electrical and mechanical constraints that the power transformer will have to endure in its life. In addition, thermal studies can complete these analyses to detect and prevent hot spots on the tank or in the windings.

Eccentricities Faults Magnetic Signature of an Induction Machine Determined with Flux®

In the literature we can find two approaches to make diagnosis: Model approach - a specific method for automation engineers. Depending on the mechanism adopted, we can distinguish three branches in this method: monitoring by observers, by analytical redundancy and by parametric estimation. Signal approach - this approach is based on measurable signals data, such as current, torque, stray flux, noise and vibration, temperature. The principle of this method is to look for frequencies unique to the healthy or fault operation. Faults in electrical rotating machines can induce other phenomena such as noise and vibrations and possibly other faults like friction between the stator and the rotor or accelerated wear of insulations.

Study of Mounted Surface Permanent Magnet Synchronous Machine Using Flux® Skew

Requirements: rotating electrical machine designers want high-reliability, minimum power losses, maximum power, maximum torque and low mechanical resonance vibration and noise. To meet the needs of electrical machine designers, CEDRAT started developing tools that take Skew into account in 2003. Several improvements have been made to this tool. Skew is usually accounted for by sub-dividing the active length of the machine into several 2D slices. In the latest Skew version of Flux the post processing is directly a full 3D post-processing.

Finite Elements Method Modeling of Contactless Energy Transfer Systems

Contactless energy transfer (CET) systems are used in many industrial sectors. These include conveyors, trolleys, storage and retrieval units, baggage handling, battery charging stations, mobile phones and medical implants. The energy transfer model is quite similar to a conventional transformer, except for the weak coupling between the primary and secondary windings and partial or non-existent ferromagnetic closing paths. Inductive coupling is commonly used in a range from a few mW to a few hundred kW.

Cogging Torque Computation and Meshing for Radial Electrical Motors in Flux®

All electrical motor designers know that the computation of cogging torque is a tricky task in 3D. Indeed, the amplitude of this quantity is almost the same as the numerical noise. In most cases, a classical meshing methodology is not sufficient and specific methodology must be used. At CEDRAT, the application team, thanks to its experience has developed methodologies to successfully compute cogging torque in most of cases. This article presents a specific meshing methodology to compute cogging torque for 2D and 3D radial electrical machine. It begins with some general recommendation concerning the definition of the geometry in order to facilitate the meshing operation. Then, it presents the specific meshing methodology applied to a 2D SPM motor and to a 3D IPM motor.

Tunnel Magnetoresistance (TMR) Angle Sensor Simulation Results

The article presents the main results of magnetostatic 3D simulation using CEDRAT Flux software especially for new TMR angle sensor applications. Such magnetic sensors are deployed today in automotive electronics, as well as in many new industrial, consumer-product, medical, avionics, defence and other applications. Under Flux 3D, several effects of the influence of magnet geometry parameters and mechanical tolerances of sensor positioning were investigated, such as airgaps and tilts effects. The results include optimum solutions useful for TMR, as well as for a wide range of other angle sensor types and applications.

Regulate Current with User Subroutine Using Groovy Language in Flux®

For Switched Reluctance Motor, a specific command of current is often used with a chopper in order to decrease the current ripple or hysteresis band. We propose to see in this example (see Figure 1) how to implement such a command in Flux using groovy language.

Eccentricities Faults in a Rotating Machine Analyzed with Flux®

In the present energy efficiency context of electrical machines, diagnosis of rotating machines is increasingly studied. Designers seek to include the on-line, non-invasive diagnosis and typical signatures of the rotating machines faults in the stator winding currents, torque, leakage magnetic field…etc. Among the rotating machine’s faults, 7 to 10% are located in the rotor and some of these faults are eccentricities. These faults generate electromagnetic torque oscillations: electromagnetic forces acting on the stator, particularly the stator winding, which can accelerate wear of its insulation. Friction between the stator and the rotor is not excluded; this can also have an adverse effect on the bearing. In the literature we often find three types of eccentricities: static, dynamic and mixed. Our Flux 2D/3D/Skew finite element solution can be of considerable help to predict the typical signatures of eccentricities faults and the influence of these defects on the electromagnetic and vibro-acoustic performances of these machines, a very differentiating feature of the software. The purpose of this article is to show the feasibility of the different eccentricities with Flux 2D/3D/Skew thanks to the possibilities offered by mechanical sets.

Checking Remanence Issues with New Hysteresis Model

Remanence is what is left when all current is removed, and there is still some flux density left in the iron core. This is often the case with a close path for flux density, especially in U or E shape devices. To get rid of this effect, it is sometimes useful to add a so-called remanent airgap. This paper explains what we have incorporated into Flux to model this effect due to hysteresis.

FE Steady State Thermal Analysis of Squirrel Cage Induction Motors with Flux®

The thermal analysis of electrical machines and the related fluid dynamic computation, tasks associated with mechanical engineering disciplines, seem to interest electrical engineers less than electromagnetic analysis. But, with increasing requirements to fully exploit new designs and materials, it has more or less become compulsory to analyze the thermal behavior of electrical machines, to the same degree as electromagnetic design.

Taking Demagnetization into Account in Permanent Magnets Using Flux®

Materials can be classified according to their magnetic property into two main categories: Soft magnetic materials: which exhibit magnetic properties with the presence of external excitation. Hard magnetic materials: exhibit magnetic properties in the absence of magnetic excitation. Permanent magnets are part of this family.

Induction Heating and Forced Cooling Analysis with Flux®

Principle of induction heating and forced cooling (shower): induction heating is the process of heating an electrically conducting object without contact. The flowing of the current through the coil (see Fig.1) generates an alternating magnetic field. This field induces current in the electric conductor (eddy current). The repartition of eddy current depends on the shape of the electric conductor, the frequency, and physical properties of the material used in the electric conductor. In addition to this, the high frequency used in induction heating applications gives rise to a phenomenon called skin effect: all the current is concentrated only on the boundaries.

Using CEDRAT’s Tool to Review Thermal Solutions

Nowadays, it is more and more difficult to design electrotechnique devices without considering thermal stress. In more and more applications (electric vehicles, electric aircraft, etc.) there is a need to reduce weight and cost, increase efficiency, whilst maintaining security. One possibility is to increase current for the same device, and therefore how to draw away the heat. This is why conventional approximations need to be cross-checked with new tools. These new tools have to be quick and precise in order to run parametric and even optimisation analyses. Of course, thermal analysis is already available in the Flux suite for induction heating, induction hardening, forging, etc. Dedicated applications have been created to couple magnetic AC steady state to thermal transient analysis, for instance. What is new is easier and more effective coupling any type of magnetic application to thermal analysis. This article reviews what thermal analysis is, when the different tools were created, and looks at the latest advances in thermal analysis.

Analysis of Grounding Performances of a Car Body Using FEM Shell Elements

In the automotive domain, the EMC phenomenon of the current return occurs over a wide frequency band due to the fact that the paths followed by the current are very different between the lowest frequencies (a few Hz) and medium frequencies(hundreds of kHz).

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