10x Faster Transient Electromagnetic Field Simulation

Electric machines and power transformers are being used in more and novel applications throughout the world, driven by the need for greater power efficiency. However, complete transient electromagnetic field analysis of these devices from start-up to steady state may require two weeks or more to complete. This limits the number of design points that you can acquire in a reasonable amount of time to make critical design decisions.

Time Decomposition Method distributes transient time steps across computers, then multiple cores on those nodes are invoked to solve 10x faster.

Time Decomposition Method distributes transient time steps across computers, then multiple cores on those nodes are invoked to solve 10x faster.

The Time Decomposition Method for ANSYS Maxwell — new in ANSYS 17.0 — enables you to solve time steps simultaneously and fully leverage Hybrid High Performance Computing (HPC) architectures. Time steps are distributed to multiple nodes where multiple cores are engaged to provide a second layer of computational speed. These computational speed and capacity breakthroughs, which are only available in ANSYS Maxwell with HPC, make transient electromagnetic field simulation a viable design tool instead of a final verification tool. Simulations with over 100 million unknowns that used to require weeks of simulation time are now easily solved in a matter of hours. Critical transient behavior, like motor start-up and fault conditions, can be assessed during early design stages, not just final design verification, reducing the risk of project delays and late-stage design changes.

The new Time Decomposition Method — combined with additional major advancements in material modeling, design automation, and Hardware in the Loop (HiL) and Software in the Loop (SiL) capabilities — delivers the most powerful design flow for integrated machine, power electronics and control simulation in the industry.

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