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Cohesive Zone Modeling only mode I

Posted 23 avr. 2024, 23:34 UTC−4 Structural Mechanics 3 Replies

Darren Lai
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Hello,

I am modeling the connection of two objects using CZM (Cohesive Zone Modeling). I only want to utilize Mode I (tension) instead of Mixed Mode. Does anyone have any suggestions or tips?

Thank you.

3 Replies Last Post 26 avr. 2024, 03:48 UTC−4
Henrik Sönnerlind COMSOL Employee

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Posted: 7 months ago 24 avr. 2024, 07:18 UTC−4
Updated: 7 months ago 24 avr. 2024, 07:18 UTC−4

The built-in model is inherently mixed, so this is not trivial. You would probably have to do some equation based modeling.

However, it would be interesting to understand what behavior you want: Is it decohesion in tension while still undamaged in shear, independent of the level of the shear stress?

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Henrik Sönnerlind
COMSOL
The built-in model is inherently mixed, so this is not trivial. You would probably have to do some equation based modeling. However, it would be interesting to understand what behavior you want: Is it decohesion in tension while still undamaged in shear, independent of the level of the shear stress?
Darren Lai
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Posted: 7 months ago 24 avr. 2024, 08:46 UTC−4
Updated: 7 months ago 24 avr. 2024, 08:51 UTC−4

Yes! I want my model is decohesion in tension while still undamaged in shear, independent of the level of the shear stress.

However, I'm not quite sure of the specific steps required to implement this. Could you provide guidance or assistance?

Thank you.

Yes! I want my model is decohesion in tension while still undamaged in shear, independent of the level of the shear stress. However, I'm not quite sure of the specific steps required to implement this. Could you provide guidance or assistance? Thank you.
Henrik Sönnerlind COMSOL Employee

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Posted: 7 months ago 26 avr. 2024, 03:48 UTC−4

I suggest that you contact support in order to get more detailed help in this case.

-------------------
Henrik Sönnerlind
COMSOL
I suggest that you contact support in order to get more detailed help in this case.

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