Antti Lehikoinen

Electric Motor Design, plus stuff

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FEM

Reverse Engineering the Ansys TDM

Reverse Engineering the Ansys TDM

Antti (admin) 4th December 201614th January 2017 Consulting, FEM, Marketing, Research and work, Technology 5 Comments

The TDM method by Ansys is reported to speed-up time-stepping computations by up to 6000 %. Read my idea on how it might work.

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Don’t Miss out on These Resources: Enterfea and Peterlyu

Don’t Miss out on These Resources: Enterfea and Peterlyu

Antti (admin) 30th November 201614th January 2017 FEM, Research and work, Technology No Comments

Is your knowledge on nonlinear structural analysis and steel structures lacking? Don’t be ashamed, mine certainly is. Check out this cool resource.

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Animation: Eddy Current Losses in a Stranded Winding

Animation: Eddy Current Losses in a Stranded Winding

Antti (admin) 28th October 201614th January 2017 Electrical engineering, FEM, Research and work No Comments

Animated eddy current densities in the stranded winding of an electrical machines. Rarely seen in public – read the post for more details!

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Faster Analysis of Eddy-Current Problems: Impulse Response Method

Faster Analysis of Eddy-Current Problems: Impulse Response Method

Antti (admin) 23rd October 201617th July 2020 Electrical engineering, FEM, Research and work No Comments

Eddy current problems are usually linear and time-invariant. Thus, they can be fully modelled with their impulse response function.

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Infographic on Finite Element Analysis

Infographic on Finite Element Analysis

Antti (admin) 17th October 201614th January 2017 FEM, Marketing, Research and work No Comments

Infographics are awesome. Everybody loves them. Here’s an infographic on finite element analysis, which’s gotta be even cooler.

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FEAforAll – What It Is and Why You Should Care

FEAforAll – What It Is and Why You Should Care

Antti (admin) 4th October 201614th January 2017 FEM, General, Research and work 3 Comments

I found another blog about finite element analysis called FEAforAll.com. It’s a nice resource on structural mechanics – check it out.

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How to Mesh a Stranded Winding

How to Mesh a Stranded Winding

Antti (admin) 29th September 201614th January 2017 Electrical engineering, FEM, Research and work No Comments

A stranded winding can be analysed with FEM, but it has to be meshed first. Here’s how to pack conductors in a slot for a good-quality mesh.

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Why Equivalent Circuits for Electrical Machines Work

Why Equivalent Circuits for Electrical Machines Work

Antti (admin) 24th September 201615th January 2017 Electrical engineering, FEM, Research and work No Comments

Equivalent circuits for electrical machines do yield correct torque estimates. They use the Lorentz force, but not in a way you’d expect.

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ICEM 2016 Report

ICEM 2016 Report

Antti (admin) 12th September 201615th January 2017 FEM, Publishing, Research and work No Comments

Last week, I took part in the ICEM 2016 conference in Lausanne, Switzerland. Here’s a brief report of what went down during those awesome days.

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Why Bother with the Vector Potential

Why Bother with the Vector Potential

Antti (admin) 1st September 201618th June 2017 FEM, Research and work 2 Comments

The vector potential is commonly used in finite element analysis of magnetic problems. But why don’t we just solve the field directly?

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Recent Posts

  • Analysis of the YASA Record-Breaker Axial Flux Motor, and What Everybody Gets Wrong
  • On Eddy-Current Iron Losses
  • Fluid Flux Barriers
  • Getting Started in Consulting – Electric Motor Design Version
  • On split ratios

Recent Comments

  • On Eddy-Current Iron Losses | Antti Lehikoinen on Getting Started in Consulting – Electric Motor Design Version
  • 高効率モータと期待される CFRP wrapped motor - FRP consultant - FRP consultant on Tesla’s ‘Carbon-Wrapped’ Motor
  • Alexander Shendi on On split ratios
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