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COMSOL could modulate the failare inside of the material?

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I have one question. What will happens when the simulating electric field will increase the withstand value of the material (isolation). Will the comsol modulate the failure (breakdowns) proces inside in the material by itself?

2 Replies Last Post 2010年10月4日 GMT-4 05:20
Ivar KJELBERG COMSOL Multiphysics(r) fan, retired, former "Senior Expert" at CSEM SA (CH)

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Posted: 1 decade ago 2010年10月1日 GMT-4 03:11
Hi

you would need to define the preabkown process physics yourself, I can imagine that you set a non linear condition to increase the resitivity if the field become too large and then see how this "propagates" through your material. Take a look at the example(s) of fatigue and crack propagation in solids, it could give you some ideas

--
Good luck
Ivar
Hi you would need to define the preabkown process physics yourself, I can imagine that you set a non linear condition to increase the resitivity if the field become too large and then see how this "propagates" through your material. Take a look at the example(s) of fatigue and crack propagation in solids, it could give you some ideas -- Good luck Ivar

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Posted: 1 decade ago 2010年10月4日 GMT-4 05:20
Thanks a lot for advantage.
Thanks a lot for advantage.

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