Resonate Well - Harvesting Bladeless Wind Energy, by Vortex Bladeless

Sustainable designs last longer. David Yáñez from Vortex Bladeless, a Spanish start-up, shares his vision of the technology, the strategies used for the integration of the different physical phenomena involved in the simulation-driven design, and the development of their resonating structures having minimal parts susceptible to wear by friction. The simulation results from CFD, with fluid-structure interaction, and electromagnetic field simulation are compared with experimental wind tunnel results and from in-service environments.

Future.Industry 2021

Fireside Chat: Why Engineers will be the key to unlock the digitilization potential at manufacturers

The ever-advancing digitization is being driven by the convergence of simulation, data, and HPC. While virtual methods, interoperable tools, and standardized interfaces become state of the art, the engineers and their management will play a significant role to break down silos and benefit from a Digital Thread. In this fireside chat, we will discuss the importance of people to unleash the potential of Digital Twins, how they can combine the different fields of product development and what is still missing to make the connection.

Future.Industry 2021

Reduce e-Motor Multiphysics Optimization Cycle from Weeks to Hours

By combining computationally efficient reduced-order models and detailed CAE analysis with process automation of repetitive and tedious tasks, Altair provides workflows for early system models, mixed-fidelity simulations, and multiphysics validations, across domains including electrification or advanced manufacturing. In this example, we're showing the end-to-end multiphysics optimization cycle of an electric motor, reducing the simulation process time from weeks to hours.

Getting Started

Fully Automated Optimization Engine

ZF develops a wide variety of e-motors and e-drives for a broad spectrum of automotive customers. To optimally incorporate development and production costs from the outset, their designers must find solutions to maximize shared parts within the given requirements for the motors. ZF, in collaboration with Altair, employed a simulation and data-driven solution that empowered them to consider shared parts, costs, and further constraints to automatically find best configurations for a modular motor platform.

Customer Stories

Altair for Electronic System Design (ESD)

Electronic system design (ESD) is having a greater influence on almost every type of product requiring new simulation tools to help achieve electronic, electrical, mechanical, thermal, and connectivity goals. Altair’s simulation-driven design tools enable your team of specialized engineers to collaborate across all aspects of printed circuit board development from concept to manufacturing. Our products streamline your process, eliminate design iterations, and reduce time-to-market.


Simulation as a central element of Mayer & Cie’s digital development strategy More efficient machine generations thanks to virtual product development

Mayer & Cie. GmbH & Co. KG sets simulation as a central element of the digital development strategy and leverages virtual product development for more efficient machine generations. Marcel Wohlleb presents simulation applications and illustrates how customers of the world market leader in circular knitting benefit.

ATCx Industrial Machinery 2021

ATCx E-Powertrain - E-Motor Panel Discussion

A recording of the electric motor development panel discussion as part of the ATCx Electric Powertrain virtual event in March 2021. The panel features insight from Cleef Thackwell, Lead Motor Design Engineer at Jaguar Land Rover; Dr. Lars Fredriksson, VP Global Automotive at Altair; James Eves, Team Manager at Altair; Jonathan Stevens, Senior Development Engineer at Equipmake; Andy Jones, Innovation Program Manager at HiETA Technologies; Sergi Riba, Design Engineer at Safran Ventilation Systems; and Vincent Leconte, Senior Director of Global Business Development, Electromechanical Solutions at Altair.


Electric Machine Noise and Vibration Assessment Using MASTA / Flux

Andrew Lawton, Principal Research Engineer at Smart Manufacturing Technology. Andrew has worked at SMT for almost 10 years with a focus on the dynamic analysis of drivetrains, including the effect of excitation forces from the electric machine as well as the gears. Andrew’s presentation will cover NVH analysis of an EV drivetrain, specifically with regard to response to electric machine forces generated by Altair Flux.  He will illustrate this by looking at how the presence of unbalanced magnetic pull can affect the NVH response by importing the forces from Flux into MASTA.


Multi-Physics Design of e-Motors Using Optimization with Examples from Porsche and AMG

Dr. Lars Fredriksson, VP - Simulation Driven Innovation at Altair, presents the multi-physics design of e-motors with a particular focus on optimising performance including efforts to maximize torque and power under defined driving conditions while keeping rotor stresses, motor vibrations and motor temperature within certain limits. We’ll also see some specific examples of this process as applied to e-motor development at both Porsche and AMG.


Creating the World’s Most Power Dense Electric Motor

James Eves, Team Manager at Altair, Jonathan Stevens, Senior Development Engineer at Equipmake and Andy Jones, Innovation Program Manager at HiETA Technologies, discuss AMPERE, a joint project to produce an extremely lightweight, efficient but low-cost electric motor with an extremely high continuous power density. The consortium will present some of the engineering challenges that designing such a high performance motor has posed, and how these challenges have been overcome through advanced manufacturing technology and simulation driven design.


Electric Machines for Aerospace - Technology Needs for Aircraft’s Energy Transition

Sergi Riba, Design Engineer at Safran Ventilation Systems, with a brief introduction by Vincent Leconte, Senior Director of Global Business Development - EM Solution at Altair. Together they discuss the development of electric machines for the aerospace sector.


Delivering the Electric Revolution with Intelligent Simulation Technologies

Dr. Royston Jones, CTO and Dr. Anthony Hahnel, Technical Director, give their keynote presentation during the ATCx Driving Innovation in Electric Powertrain 2021.


Sensor Accuracy Drives Performance - Model-Based Development Improves E-Motor Reliability and Efficiency

High accuracy sensors and encoders are integral components of an e-motor drive, greatly impacting the quality and efficiency on the system. A purpose-driven simulation approach is needed to account for all the physical interdependencies within these complex multi-domain systems. Lenord + Bauer worked with Altair to develop a system simulation process for their high-accuracy encoders to understand their impact on the quality and efficiency of the system.

Customer Stories

Streamline your e-Motor Design with Multiphysics Optimization at Early Concept Level

Altair FluxMotor™ is a software dedicated to the design of e-Motor concepts. It enables designers to build machines within minutes, quickly run multiphysics tests to assess machine performance, and select most promising concepts. Coupled with Altair HyperStudy™, more design exploration and optimization can be accomplished. Using these tools confidence can be established in meeting requirements, even at this early design stage.


Guide to Electronic System Development

Manufacturers today are tasked with designing smart, connected products at a breakneck pace to stay ahead of the competition. As performance demands continually increase, packaging sizes become smaller, and device connectivity becomes more critical, schematic engineers and product designers need ways to make efficient design decisions and collaborate with one another to optimize complex interconnected mechanical and electromagnetic systems. To develop the next generation of smart products, organizations are turning simulation to improve device performance and drive profitability.


Accelerating Upright Scooter Mechatronic Development

Integrate models for mechanical, electrical, and controller subsystems to simulate your mechatronic product holistically as a system-of-systems. Exchange models and/or co-simulate with other CAE tools either from Altair (such as Altair MotionSolve® and Altair Flux®) or from 3rd parties through the Functional Mockup Interface (FMI) open standard.


Electric Vehicle Drivetrain Optimization & System of System Simulation

Simulate electric powertrains for various types of vehicles (e.g., cars, trucks, buses, trains, scooters, drones, aircraft, etc.) combining mechanical plant models with motors, batteries, & controllers together with realistic drive cycles. Then optimize the overall performance of your electric vehicles.


Guide to Process Manufacturing

Any industry that produces bulk quantities of goods such as pharmaceuticals, food, chemicals, or cosmetics, is seeking to produce these products consistently while reducing cost factors like waste and down time. Due to the nature of process manufacturing, multiple ingredients are combined to be mixed, coated, or sorted, so understanding the behavior of these processes is of paramount importance for manufacturers. Through the use of simulation modeling and Smart Manufacturing principals, manufacturers are now able to optimize these processes, leading to greater productivity and profitability.


Optimal Design for Cell Phone Cameras - Motorola Mobility uses Simulation of Voice Coil Motors in Consumer Cameras

The competitive consumer device industry has quick time-to-market deadlines. Smartphone cameras use voice coil motor (VCM) actuators to translate a lens in three degrees of freedom in order to bring an object to focus on the image plane and to optically stabilize the camera. To ensure optimal design, the Motorola Mobility team selected Altair Flux™ to simulate the entire VCM and camera system. Flux allowed the team to quickly validate designs and ensure that the part compatibility and camera performance met the design targets. Other devices within the phone, such as speakers, antenna shields, accessory magnets etc. can affect the VCM performance due to magnetic interference. With Flux, the team simulated the entire VCM and phone layout, accounting for all possible magnetic interference from other devices.

Customer Stories

Magneto-thermal PMSM Performance Simulation with Validation

In order to reduce energy consumption, efficiency is a key criterion that designers seek to optimize their electric motors. Complementary to the electromagnetic analysis, a thermal characterization is essential to study from the first design phase how temperature influences the performance of the machine. To obtain results close to the real working conditions, the motor control and the current harmonics produced by the electrical converter and control algorithms cannot be ignored.

Technical Papers

Rethinking the e-Motor Design Process to Maximize Vehicle Range

In this article, appearing in the Fall 2020 issue of Engine + Powertrain Technology International, Altair outlines how a holistic approach to propulsion system design is enabling manufacturers to meet performance requirements while maximizing vehicle range.


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

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 from an electrical but also from the structural integrity point of view. In this paper, coupled electromagnetic and structural mechanics simulations are carried out to evaluate short-circuit fault risks in a comprehensive and accurate way.


New Iron Losses Characterization in Altair Flux™

Altair Flux new material losses data using the unique LS model and ability to consider own measurements enables to produce the most accurate predictions of iron losses according to your material specificities. Moreover, enhanced material manager interface enables to quickly update material properties and models and add Bertotti material coefficients.


Altair Flux™ Direct Model Export for Straightforward System Integration

Altair Flux offers a direct model export compatible with major system simulation software for straightforward system integration. Two different formats are available: FMU (Functional Mockup Units) dynamic models format is straightforward, standardized and very efficient, while lookup tables are an interesting alternative, offering the opportunity to adjust the dimensions of the table according to the required precision. Latest improvement enable impressive speed-up with Altair Activate™.


Analysis of Large Air Flux Leakage Applications Accelerated with Altair Flux™ Integral Methods

Altair Flux offers faster and more accurate 3D magnetostatics analysis thanks to the implementation of new integral method. This is extremely interesting for applications with a lot of flux leakage in air, such as sensors modelling. No air mesh is required, dramatically reducing the computation time versus classical finite element method and offering much higher accuracy.


Altair Flux™ 2020 - New Features Presentation

Discover in our quick video the latest Altair Flux new features, among which: accelerated analysis for applications with large air flux leakage, losses accuracy improvement thanks to new iron losses characterization, inductance computation in transient analysis, improved skewed capabilities and faster system coupling.


Improving Speed and Precision of a CNC Milling Machine with Holistic System Simulation

The presentation outlines a solution strategy for how a digital twin of a milling machine is solving mechatronic challenges. To improve cycle times, accuracy, and addressing vibration problems a holistic system simulation serves as the basis for optimization. The efficient modeling of the real system behavior with flexibilities, contacts, gaps, friction, nonlinearities in the drives (incl. saturation effects of motors), power electronics in combination with the control system is the basis for efficient controller design and optimization of the control parameters. The dynamic interaction of multiple system components combining 3D finite elements analysis multi-body dynamics and control system helps avoiding Tracking-, drag-, positioning errors rebound, and accumulation effects.  

Use Cases

Schneider Electric Accelerates the Development of Smarter Equipment

As the world becomes more connected, devices are requiring more sensors, with better integration. See how Schneider Electric is using Altair Flux to efficiently design and integrate next sensors technology in their new equipment.

Customer Testimonials

Evolution & Usage of Electromagnetic Simulation in the Naval & Shipbuilding Industry

The Marine Engineering and Shipbuilding Industry is becoming even more important in the connected world. The ability to accelerate turnaround time and reduce cost is becoming a key driver to success. The use of simulation technologies to improve design efficiency and reduce physical testing costs continues to be one of the best ways to address engineering challenges in the Marine industry.


Using Altair Software for Electromagnetics

Altair software is used across industries to solve a broad range of electromagnetic problems from static to low and high frequencies. Whether your application requires multiple frequency and time-domain techniques with true hybridization to enable the efficient exploration of a broad spectrum of electromagnetic performance, other the simulation of magneto static, steady-state and transient conditions, we have the tools you need.

Learn more at altair.com/electromagnetics.

Use Cases

Using Altair Software for Multiphysics

Altair provides an industry-leading portfolio of multiphysics-enabled software to simulate a wide range of interacting physical models including fluid-structure interaction, flexible bodies, aeroacoustics, and thermomechanical simulation. Together with Altair’s multidisciplinary optimization and scalable high-performance computing you can solve real world engineering problems quickly and effectively.

Learn more at altair.com/multiphysics.

Use Cases

EM and EDA, from Concept to Production

Altair’s portfolio of simulation-driven design solutions covers – amongst many other disciplines – electromagnetics (EM) and electronic design automation (EDA).


Altair FluxMotor - Thermal Design, Test, and NVH Evaluation

The latest release of FluxMotor, Altair's software product for electric machines design, adds several functionalities in the area of thermal design, test, and NVH evaluation. This short video illustrates some of the major updates.

Use Cases

Altair Flux and FluxMotor - Electric Motor Optimization

Designing an efficient motor has always been a complicated set of tasks. Altair's multidisciplinary optimization platform is a solution that allows considering multiphysics parameters and conflicting constraints.

Use Cases

Using Multiphysics to Predict and Prevent EV Battery Fire

Electric vehicles (EV) offer the exciting possibility to meet the world’s transportation demands in an environmentally sustainable way. Mass adoption could help reduce our reliance on fossil fuels, but the lithium-ion (Li-on) batteries that power them still present unique challenges to designers and engineers, primary among them to ensuring safety against battery fire. To achieve vehicle manufacturer’s ambitious adoption goals, it is necessary to improve the safety of Li-on batteries by better understanding all of the complex, interconnected aspects of their behavior across both normal and extreme duty cycles. Altair is focused on developing a comprehensive understanding of automotive battery safety issues which it has named the Altair Battery Designer project. It combines innovative design methods and tools to model and predict mechanical damage phenomena as well as thermal and electro-chemical runaway. Altair has developed an efficient way to calculate mechanical and short-term thermal response to mechanical abuses, providing accurate computational models and engineer-friendly methods to design a better battery.

White Papers

Multiphysics Simulation of Electrical Rotating Machines and Next Gen Design - Rotating Machinery

This workshop will showcase a process-oriented multidisciplinary simulation environment to accurately analyse the performance of complex rotating machines. The participants would learn about multiple physics analysis of motors; including electromagnetics, structural, thermal, and fluid dynamics using highly automated modelling tasks, helping to drastically reduce the time spent creating finite element models and interpreting results. Unique solution by Altair for rotating machinery process takes setup to a solution, time from hours to minutes which allows engineer to try multiple design iterations in a short time and create a performance curve in the automated environment.


Altair for Multiphysics Applications

Altair provides an industry-leading portfolio of multiphysics-enabled software to simulate a wide range of interacting physical models including fluid-structure interaction (FSI), flexible bodies, aeroacoustics, and thermomechanical simulation.


Online Workshop - Electromagnetic and Thermal Simulation of PMSM (IPM) Motor

Electromagnetic and Thermal Simulation of PMSM (IPM) Motor


Training - Rated Torque Simulation of IPM Motor Using Altair Flux

Rated Torque Simulation of IPM Motor Using Altair Flux


Infographic: The Impact of Multiphysics Optimization on e-Motor Development

Simulation helps you validate at the end of a product design cycle, but deployed early and throughout a development process, it can actually allow you to explore more potential solutions, collaborate more effectively and optimize the design for cost, performance, weight, and other important criteria. This infographic provides a framework for developing and implementing your own simulation-driven process to help you produce more efficient e-motors and shorten development times. 

Technical Document

Electric Motors Multidisciplinary Optimization Platform

The design of a high-performance e-Motor is a complex undertaking. Engineers have conflicting constraints to consider including efficiency, temperature, weight, size and cost. To explore more ideas, better understand their designs and improve performance, Altair HyperWorks™ has a workflow to guide motor designers through an efficient process of Simulation-Driven Design. This analysis and optimization solution supports multi-disciplinary teamwork and reduces design times.

Use Cases

The Influence of Sensors on e-Motor Powertrain Performance

High accuracy sensors and encoders are integral components of an e-motor drive, greatly impacting the quality and efficiency on the system. A purpose-driven simulation approach is needed to account for all the physical interdependencies within these complex multi-domain systems.

Technical Papers

Taking into Account Magnet Demagnetization During Solving Process in Flux

Taking magnet demagnetization phenomena into account during solving process offers more accuracy on typical quantities such as motor torque or electromotive force and new analysis like the evolution of the remanent flux density.

Use Cases

Flux Dedicated e-Motor Environment with Automated Tests

Discover the new Flux e-Machine Toolbox (FeMT) dedicated environment with automated tests.

Use Cases

The Multi Physics Optimization of an e-Motor Rotor

Vincent Leconte, Director of Business Development - EM Solutions at Altair presents at the 2019 UK e-Mobility Seminar. Optimization of e-Motors, Case Studies: Jaguar Land Rover & Porsche. Cooling Simulation of the eMotors.

Conference Presentations

Meet your Energy Efficiency Goals in your Electrification Projects with Simulation

Electrification is one of the main means of creating a low-carbon economy, allowing to use renewable energies and energy efficient technologies. Electric power enters many industries and also impacts our everyday lives, especially with the electric mobility. The use of power electronics and control systems allows offering better reliability, safety and low maintenance costs, and also brings additional innovative functions. Learn how Altair simulation and optimization tools can help designing highly efficient electric machines, as well as advanced control strategies to help you build innovative and energy efficient electric solutions.

Conference Presentations

An Efficient and Automated Design Strategy for Multi-physics E-Motor Development

This presentation introduces an application of a unique, highly automatic, multi-physics design strategy for E-motors, based on a current program at Mercedes-AMG GmbH. The strategy considers essential development requirements including electromagnetics and thermal requirements, NVH, stress and durability. It accommodates for DOE, multi-objective optimization and design exploration methods to be used to explore and find feasible motor designs. The presentation will show how the strategy adds efficiency to the E-motor development process and how it impacts the total costs of development.

Conference Presentations

Using Machine Learning and Optimization to Develop e-Motor

The Altair Multiphysics platform provides a broad portfolio of solvers and tools to help engineers develop e-motor design requirements by using simulation and optimization methods. This presentation provides examples, using Altair Machine Learning and optimization solutions, of the e-motor requirements by leveraging in data available, which is key for e-motor designers to reduce time-to-market.

Conference Presentations