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FUNCTIONS

Posted Sep 20, 2017, 12:31 a.m. EDT 1 Reply

Dickens Agumba
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Hi everyone. I need your help please.

How do I get a Time dependent load in COMSOL?

I tried using a step function but it gives me a very sharp transition zone as shown in my image.

My main problems are:

  1. Obtaining a constant load for t seconds (e.g -10 MPa for time 0<=t<=40 sec)

  2. After 40 sec my stress profile should be rising steadily to a maximum where it stays constant again.

  3. My transition zone is too sharp.

Thank you for your support

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1 Reply Last Post Sep 20, 2017, 10:07 a.m. EDT
Gunnar Andersson COMSOL Employee

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Posted: 7 years ago Sep 20, 2017, 10:07 a.m. EDT

I suggest that you use a Ramp function or possibly a Step function with a large smoothing zone.

I suggest that you use a Ramp function or possibly a Step function with a large smoothing zone.

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