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Re: FEA vs BEM

Thanks for the explanations.

My termination in that model is an arc at some radius from the origin (a half circle for an axisymmetric problem for example) with the Sommerfeld boundary condition applied. So that's an approximation of infinity that becomes better as the radius increases, iirc.

I'll take a look at your article when I get more time. If it's from 1985, I do have it.

I guess where as you say you prefer an accurate solution with approximate geometry, I gravitate towards the exact geometry because I like trying a lot of different geometries. While I'm sure you could come up with analytic solutions for all of them, I'm much faster at drawing things in CAD and then working with them in an FEA-type program. Either way you eventually still have to build it, measure it, and listen to it to make sure it does what you simulate (unless you've spent years validating all your models, which I suppose you probably have).

I'm always interested in some new software to play with. Email me through the link here if you want.

John

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