Resource Library

Power Transformer under Short-circuit Fault Conditions: Multiphysics Approach to Evaluate the Robustness of a Transformer

Transformers’ windings experience mechanical loads from electromagnetic forces due to the currents they carry. Power transformers can suffer from high sudden short-circuit currents. These short-circuit currents are a significant threat, not only f...

Articles

Designer Oriented Software - Is it Accurate?

Ian Symington of NAFEMS investigates the accuracy of Altair SimSolid through a series of eight analysis benchmarks.

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

Articles

Analysis Origins: OptiStruct

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

Article or

Articles

Five Common Mistakes made Running Topology Optimization

Topology optimization is an approach that optimizes the material distribution within a given design space, for a given set of loads and boundary conditions, to meet a set of performance targets. Using topology optimization at a concept level can h...

Articles

Investigation of Thermal Stability in Laser Beam Melting

This guest contribution on the Altair Blog is written by the Additive Works Team. Additive Works is a member of the Altair Partner Alliance.

Articles

Efficient Automation, Control, and Optimization of Thermo Fluid Systems using GE’s Flow Simulator

By Aditya Jayanthi, Thermal Solutions Product Manager, Altair. GE’s Flow Simulator is a part of the Altair Partner Alliance.

Articles

Accelerate Thermo Fluid Systems Design using GE’s Flow Simulator

This post is written by Aditya Jayanthi, Thermal Solutions Product Manager, Altair. GE’s Flow Simulator is a part of the Altair Partner Alliance.

Articles

Failing to Optimize the Human-in-the-Loop at the Earliest Stages of Design is More Expensive than You Think – Part 2

This guest contribution on the Altair Blog is written by Steve Beck, President, CEO at SantosHuman. SantosHuman, a member of the Altair Partner Alliance.

Articles

Maximizing the Value of Your Work with Digital Signal Processing

This guest contribution on the Altair Blog is written by Samir Khan, Maple Product Manager at Maplesoft, a member of the Altair Partner Alliance.

Articles

Failing to Optimize the Human-in-the-Loop at the Earliest Stages of Design is More Expensive than You Think – Part 3

This guest contribution on the Altair Blog is written by Steve Beck, President, CEO at SantosHuman. SantosHuman is a member of the Altair Partner Alliance.

Articles

Vehicle Dynamics Simulation in Action – Maranello Motorsport Victory in the Bathurst 12 hour

This guest contribution on the Altair Blog is written by the ChassisSim Team. ChassisSim is a member of the Altair Partner Alliance.

Articles

Creating Lightweight CAD Data through Enveloping Technology

This guest contribution on the Altair Blog is written by Shun Higashide, Global Business Analyst from Elysium who is a member of the Altair Partner Alliance.

Articles

Failing to Optimize the Human-in-the-Loop at the Earliest Stages of Design is More Expensive than You Think – Part 1

This guest contribution to the Altair Blog is written by Steve Beck, President, CEO at SantosHuman. SantosHuman is a member of the Altair Partner Alliance.

Articles

Blog: How to Control Uncertainty in Buoy Drag Coefficient When Designing Oceanographic Moorings

This guest contribution on the Altair Blog is written by Ryan Nicoll, CTO of DSA, creators of ProteusDS. DSA is a member of the Altair Partner Alliance.

Articles

Tolerancing and its Role in Illumination and Nonsequential Optical Design

This guest contribution on the Altair Blog is written by Dave Jacobsen, Senior Application Engineer at Lambda Research Corporation and who is a member of the Altair Partner Alliance.

Articles

How to Shorten Run Times: Leverage the Strengths of TAITherm & CFD Simulations

This guest contribution to the Altair Blog is written by the ThermoAnalytics team, a member of the Altair Partner Alliance.

Articles

A Chain is as Strong as its Average Link: Considering Weld Line Positions Might be a Good Idea

This guest contribution on the Altair Blog is written by Dr. Marcus Stojek, Managing Director at PART Engineering, developers of CONVERSE and S-Life-FKM. PART Engineering is a member of the Altair Partner Alliance.

Articles

Benchmarking by FEA: Best Practices & Key Quality Checks to Verify Results Accuracy

This guest contribution on the Altair blog is written by the ESRD team, a member of the Altair Partner Alliance

Articles

Frequency Domain Fatigue Damage Calculation Process: Is it Really that Different?

This guest contribution on the Altair Blog is written by the CAEfatigue Team, a member of the Altair Partner Alliance.

Articles

Sine Sweep on Random PSD: The need for frequency matching between the Solver FRF and the Sine Sweep

This guest contribution on the Altair Blog is written by the CAEfatigue Team, a member of the Altair Partner Alliance.

Articles

Why Calculation Management is Important for Engineers

Blog article by Dr. Laurent Bernardin, COO and Chief Scientist at Maplesoft

Articles

Frequency Domain Fatigue Analysis with CAEfatigue

This guest contribution to the Altair Blog is written by the CAEfatigue Team, a member of the Altair Partner Alliance.

Articles, Product Collateral

From BIG DATA to Smart Data to Digital Twin

Blog article by Katja Juschka, Head of Marketing and Sales at Fluidon.

Articles, Product Collateral

How to Control Uncertainty in Buoy Drag Coefficient When Designing Oceanographic Moorings

Blog article by Ryan Nicoll, CTO of DSA, creators of ProteusDS.

Articles

Blog: Lay-Up Simulations to Choose the Best Fabric Pattern for an Aeronautic Radome

This article focuses on weather radars mounted on small airplanes. They help planning routes before take-off and adapting during the flight depending on weather conditions.

Articles

How Can 3D-Printed Plastic Waveguides Enable V-Band Applications?

Using Altair Feko, ALCIOM examined two prototypes manufactured using 3D-printing technology to demonstrate the performance of 3D-printed plastic waveguide components at V-band frequencies.

Article originally appeared in Microwaves&RF (www.mwrf.com) on January 4, 2019

Articles

Machine Learning in Engineering

Use of machine learning for engineering applications brings field data and engineering knowledge together, resulting in more accurate decision making.

Articles

Innovative Service Bureau Combines Simulation-Driven Design and 3D Printing

A company specializing in 3D printing relies on simulation to make tools for injection molding that are less expensive, lighter and better than those created with traditional methods.

Articles

Performance Superyacht Sails with Lightweight Anchor Arm

Optimization software enables naval architecture and engineering firm to design a next-generation superyacht anchor arm that is less than half the assembled weight of its predecessor.

Articles

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...

Articles

How to Efficiently Design Power Transformers

Since approximately 40% of grid losses are dissipated from power transformers, there is now a great need to analyse these important components of the electrical network. Altair Flux 2D / 3D plays a key role in those investigations.

Articles

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...

Articles, Technical Papers

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 mod...

Articles, Technical Papers

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 deve...

Articles, Technical Papers

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.

Articles, Technical Papers

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 efficienc...

Articles, Technical Papers

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 require...

Articles, Technical Papers

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 analytic...

Articles, Technical Papers

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 st...

Articles, Technical Papers

Cogging Torque Computation and Mesh for Non-radial Electrical Motors in Flux®

All electrical motor designers know that the computation of cogging torque is a tricky task, particularly in 3D. Indeed, the amplitude of this variable is almost the same as numerical noise. In most cases, conventional mesh methodology is not suff...

Articles, Technical Papers
71 Results