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Calculation of Contact Area between two Surfaces

Posted 07.03.2022, 20:19 GMT-5 Interfacing, General, Materials Version 5.6 1 Reply

少伟 吴
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https://cn.comsol.com/forum/thread/206041/deformed-surface-area-calculation

The calculation method given in this link can no longer be used. The hemispherical elastic material deforms after being pressed by the steel plate. Is there a method to calculate the contact area between the elastic material surface and the steel plate?

1 Reply Last Post 08.03.2022, 03:43 GMT-5
Henrik Sönnerlind COMSOL Employee

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Posted: 3 years ago 08.03.2022, 03:43 GMT-5

Instead of integrating the expression '1', which would give the whole area of a boundary, you can integrate an expression like 'incontact_p1'. This is a boolean variable which has the value 1 where the contact condition is fulfilled and 0 outside. The suffix 'p1' is the name of the contact pair.

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Henrik Sönnerlind
COMSOL
Instead of integrating the expression '1', which would give the whole area of a boundary, you can integrate an expression like 'incontact_p1'. This is a boolean variable which has the value 1 where the contact condition is fulfilled and 0 outside. The suffix 'p1' is the name of the contact pair.

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