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Time Dependent Boundary Load

Posted 27.02.2019, 16:40 GMT-5 Structural Mechanics Version 5.4 1 Reply

Shashank Tiwari
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Hello:

I am trying to conduct a time dependent study on a cubical block in which the boundary load increases with time, then decreases with time and then remains constant fora some time (attached please see the stress versus time plot).

Would you please suggest how I can set up the boundary condition for such a stress profile as shown in the attachment?

I look forward to hearing your comments.

Thanks, Shashank

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1 Reply Last Post 27.02.2019, 16:49 GMT-5
Jeff Hiller COMSOL Employee

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Posted: 6 years ago 27.02.2019, 16:49 GMT-5
Updated: 6 years ago 28.02.2019, 02:12 GMT-5

Hello Shashank,

You can do that by defining one or more interpolation functions, see e.g. https://www.comsol.com/forum/thread/129712/how-to-apply-a-time-dependent-force-in-comsol

Best regards,

Jeff

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Jeff Hiller
Hello Shashank, You can do that by defining one or more interpolation functions, see e.g. Best regards, Jeff

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