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Note: This discussion is about an older version of the COMSOL Multiphysics® software. The information provided may be out of date.

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[COMSOL 4.3a] How to set initial stress and strain in Solid Mechanics module?

Posted 2016年4月16日 GMT-4 05:41 Structural Mechanics Version 4.3a 4 Replies

Anna Elsukova
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When I double-click "Linear Elastic material", there is only "Damping" option, no "Initial stress and strain" option. Is there a way to set initial stresses and strains?
4 Replies Last Post 2016年4月16日 GMT-4 12:01
Henrik Sönnerlind COMSOL Employee

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Posted: 9 years ago 2016年4月16日 GMT-4 07:51
Hi,

It sounds like you do not have the Structural Mechanics Module license active.

To see how different features are licensed, please visit

www.comsol.com/products/specifications/structural-mechanics/

Regards,
Henrik
Hi, It sounds like you do not have the Structural Mechanics Module license active. To see how different features are licensed, please visit https://www.comsol.com/products/specifications/structural-mechanics/ Regards, Henrik
Anna Elsukova
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Posted: 9 years ago 2016年4月16日 GMT-4 10:30
Dear Mr. Sönnerlind, thank you for you reply.

I do have Structural Mechanics Module license active and I can use it for calculations. The only thing missing is initial stress and strain setting.
Dear Mr. Sönnerlind, thank you for you reply. I do have Structural Mechanics Module license active and I can use it for calculations. The only thing missing is initial stress and strain setting.
Henrik Sönnerlind COMSOL Employee

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Posted: 9 years ago 2016年4月16日 GMT-4 11:38
Hi,

Go to Options->Licenses and check the status of the 'Structural Mechanics Module' check box.

With Structural Mechanics Module license on, there should be three sub-options when right-clicking Linear Elastic Material:

- Thermal Expansion
- Initial Stress and Strain
- Damping

If you add the Damping node, there should be four different choices in the 'Damping type' list. Without the license, there is only one.

Regards,
Henrik
Hi, Go to Options->Licenses and check the status of the 'Structural Mechanics Module' check box. With Structural Mechanics Module license on, there should be three sub-options when right-clicking Linear Elastic Material: - Thermal Expansion - Initial Stress and Strain - Damping If you add the Damping node, there should be four different choices in the 'Damping type' list. Without the license, there is only one. Regards, Henrik
Anna Elsukova
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Posted: 9 years ago 2016年4月16日 GMT-4 12:01
Thank you very much for your help!

Best regards,
Anna
Thank you very much for your help! Best regards, Anna

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