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All domains not applicable in Electrostriction multiphysics settings
Posted 2024年5月22日 GMT+8 17:14Low-Frequency Electromagnetics, Structural Mechanics, Physics InterfacesVersion 6.03 Replies
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Hello everyone, I'm trying to simulate the effect of electric field on the mechanical properties of a capacitor. When I try to select domain for the Electrostriction multiphysics all domains are listed as not applicable. The geometry is formed as a union, COMSOL version 6.0, see attached file.
Tnx a lot in advance for any advice from a beginning but enthusiastic COMSOL user
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Hi Massimiliano,
TheElectrostrictionmultiphyiscs node is not applicable because theMaterial typesetting is set toNonsolidin theSettingswindow forCharge Conservationin the Electrostatics interface. It should be set toSolidin the model domains.
Best regards,
Magnus
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Hello, thank you for your suggestion, the domains now are ok, but I still find difficult to plot capacitor deformation. Can you suggest a tutorial? I can find only a lot of piezoelectric examples in the learning center.
Thank you again
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Hello Massimilano,
Plotting deformation is common in structural mechanics models by adding aDeformationsubnode to your plot. Its default spatial components are the displacementsu,v, andw(in 3D), scaled to show an exaggerated deformation (actual deformations are generally small in comparison to the model geometry). You can change the default scaling if needed.
Best regards, Magnus
