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Stop sweep when a probe value decreases

Posted Jun 7, 2019, 9:04 a.m. EDT General, Optimization, Studies & Solvers Version 5.4 2 Replies

Jacob Søberg Bach
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Hi all,

I was introduced to the "stop condition" in parametric sweeps (see attached). Is it possible to make a sweep stop when a probe value for the new solution is smaller than that from the preveous solution?

Thanks, Jacob

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2 Replies Last Post Jun 11, 2019, 9:23 a.m. EDT
Thure Ralfs COMSOL Employee

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Posted: 5 years ago Jun 11, 2019, 8:55 a.m. EDT
Updated: 5 years ago Jun 11, 2019, 8:55 a.m. EDT

Hi Jacob

If I understand you question correct then, yes you can. You can see a very simple example in the attached model. I use a Global ODE to store “Tnew” in a new dependent variable “Told” and to make “Told” the previous solution I add a “Previous Solution” node under the parametric solver step (same place as you “Stop condition”.

Best regards Thure

Hi Jacob If I understand you question correct then, yes you can. You can see a very simple example in the attached model. I use a Global ODE to store “Tnew” in a new dependent variable “Told” and to make “Told” the previous solution I add a “Previous Solution” node under the parametric solver step (same place as you “Stop condition”. Best regards Thure

Attachments:

Jacob Søberg Bach
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Posted: 5 years ago Jun 11, 2019, 9:23 a.m. EDT

Hi Thure,

Thanks for your reply! That works for me!

Best, Jacob

Hi Thure, Thanks for your reply! That works for me! Best, Jacob

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