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Volume vs. Time/Load

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I have a solid mechanics model and a pressure load. I have holes in my model and would like to see how the volume of these holes change over my time dependent loading. I would like to find the volume of the pictured hole for each step/load/time in my solution.

Thanks for any assistance

Jam


1 Reply Last Post Apr 18, 2011, 2:45 p.m. EDT
Ivar KJELBERG COMSOL Multiphysics(r) fan, retired, former "Senior Expert" at CSEM SA (CH)

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Posted: 1 decade ago Apr 18, 2011, 2:45 p.m. EDT
Hi

As you have a repetitive pattern, I would attach such a model by studying only one item with periodic boundary conditions. This for the hole volume change, if you want the overall deflection of your corregulated membrane you need a larger 3D or adapted shell model. Models for uch structured "shells" or thin membranes (typical for MEMS applications) are missing from COMSOL, at least as pre-cooked BC's you must build and validate them via equations yourself, still

--
Good luck
Ivar
Hi As you have a repetitive pattern, I would attach such a model by studying only one item with periodic boundary conditions. This for the hole volume change, if you want the overall deflection of your corregulated membrane you need a larger 3D or adapted shell model. Models for uch structured "shells" or thin membranes (typical for MEMS applications) are missing from COMSOL, at least as pre-cooked BC's you must build and validate them via equations yourself, still -- Good luck Ivar

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