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parametric lenght

Posted Sep 20, 2010, 2:59 a.m. EDT 1 Reply

Zeynab Adelpour
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hi to all

in comsol v4 and v3.5,how can i define parametric structure , for example i want to sweep the lenght of my structure and sweep it
how can i ....?
1 Reply Last Post Sep 20, 2010, 5:38 a.m. EDT
Ivar KJELBERG COMSOL Multiphysics(r) fan, retired, former "Senior Expert" at CSEM SA (CH)
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Posted: 1 decade ago Sep 20, 2010, 5:38 a.m. EDT
Hi

you have a few methods:

1) V4 via livelink to a CAD software where you define an equation with a parameter that you drive in COMSOL
2) V3.5 (or V4) via matlab an the COMSOL functions to generate COMSOL geometries, based on a parameter that you loop around a comsol solver call
3) in V4 via a parameter you define and the COMSOL geoemtry with a dimension based on the parameter

One limitation, the changes of your parameter should not change the topology of your geomety (no creation of new points, edges, surfaces or volumes, as this would change the item numbering and COMSOL would not really know how to apply the "correct" BC's to these new items

--
Good luck
Ivar
Hi you have a few methods: 1) V4 via livelink to a CAD software where you define an equation with a parameter that you drive in COMSOL 2) V3.5 (or V4) via matlab an the COMSOL functions to generate COMSOL geometries, based on a parameter that you loop around a comsol solver call 3) in V4 via a parameter you define and the COMSOL geoemtry with a dimension based on the parameter One limitation, the changes of your parameter should not change the topology of your geomety (no creation of new points, edges, surfaces or volumes, as this would change the item numbering and COMSOL would not really know how to apply the "correct" BC's to these new items -- Good luck Ivar

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