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Reaction Force

Posted 2019年1月17日 GMT-5 05:38 Structural & Acoustics, Structural Mechanics 4 Replies

Ke Wu
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Hi there,

I am setting a prescribed displacement on a rigid body. How can I get the reaction force of prescribed displacement on this rigid body?

Thanks in advance, Ke Wu

4 Replies Last Post 2019年1月23日 GMT-5 07:13
Henrik Sönnerlind COMSOL Employee

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Posted: 6 years ago 2019年1月17日 GMT-5 11:19

Hi,

I assume that you are referring to the Prescribed Displacement/Rotation subnode on a Rigid Domain.

You need to select the Evaluate reaction forces check box in the Reaction Force Settings section. Then, reaction forces will be available when you work with global results, as shown in the attached screenshot.

Regards,
Henrik

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Henrik Sönnerlind
COMSOL
Hi, I assume that you are referring to the **Prescribed Displacement/Rotation** subnode on a **Rigid Domain**. You need to select the **Evaluate reaction forces** check box in the **Reaction Force Settings** section. Then, reaction forces will be available when you work with global results, as shown in the attached screenshot. Regards, Henrik

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Ke Wu
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Posted: 6 years ago 2019年1月21日 GMT-5 11:26

Thanks so much for your reply！

However, I didn't find the reaction force under rigid domain section.

I attached the screenshot below.

Could you tell me where I did it wrong？

Thanks, Ke Wu

Thanks so much for your reply！ However, I didn't find the reaction force under rigid domain section. I attached the screenshot below. Could you tell me where I did it wrong？ Thanks, Ke Wu

Attachments:

Henrik Sönnerlind COMSOL Employee

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Posted: 6 years ago 2019年1月22日 GMT-5 03:39

Hi,

You need to do a Global Evaluation. The reaction force on a rigid domain is a scalar result and not a field in the domain.

Regards,
Henrik

-------------------
Henrik Sönnerlind
COMSOL
Hi, You need to do a **Global Evaluation**. The reaction force on a rigid domain is a scalar result and not a field in the domain. Regards, Henrik
Ke Wu
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Posted: 6 years ago 2019年1月23日 GMT-5 07:13

Thank you so much!

Ke

Thank you so much! Ke

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