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Using Helmholtz equation

Posted 13 mars 2023, 13:13 UTC−4 Modeling Tools & Definitions, Structural Mechanics, Material Models Version 5.6 1 Reply

Sourabh Puranik
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Hello, I am trying to simualte non local damage in hyper elatsic material, For this I am using Helmhotz equation , The source term is elatsic energy (Neo Hookean) which is defined in comsol itself. For using this energy as a source can i directly use one which is there, If yes, how? or should i define its expression in variable and then use that ?

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1 Reply Last Post 14 mars 2023, 02:26 UTC−4
Henrik Sönnerlind COMSOL Employee

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Posted: 2 years ago 14 mars 2023, 02:26 UTC−4

You can use the built-in variable for the strain energy density, but you must use the full scope, like 'solid.Ws'.

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Henrik Sönnerlind
COMSOL
You can use the built-in variable for the strain energy density, but you must use the full scope, like 'solid.Ws'.

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