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Gaussian heat pulse at random points on surface

Posted 27 feb 2023, 22:48 GMT-5 Fluid & Heat, Heat Transfer, Physics Interfaces Version 5.4 2 Replies

Shahid Ali
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Hi,

I need to know how to select random points in 2D space on surface and apply the gaussian heat flux after every time step. Can anyone please guide me with this.

Best regards Shahid Ali

2 Replies Last Post 4 mar 2023, 20:55 GMT-5
Jeff Hiller COMSOL Employee

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Posted: 2 years ago 28 feb 2023, 14:15 GMT-5
Updated: 2 years ago 1 mar 2023, 10:22 GMT-5

Hello Shahid,

The following blog posts should be helpful:

1/ on applying gaussian heat profiles: see this blog post

2/ on creating a randomized geometry using model methods (You may want to use this approach to randomly distribute patches on which the Gaussian distributions apply): see this other blog post

Best regards,

Jeff

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Jeff Hiller
Hello Shahid, The following blog posts should be helpful: 1/ on applying gaussian heat profiles: see [this blog post](https://www.comsol.com/blogs/modeling-the-pulsed-laser-heating-of-semitransparent-materials/) 2/ on creating a randomized geometry using model methods (You may want to use this approach to randomly distribute patches on which the Gaussian distributions apply): see [this other blog post](https://www.comsol.com/blogs/how-to-create-a-randomized-geometry-using-model-methods/) Best regards, Jeff
Shahid Ali
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Posted: 2 years ago 4 mar 2023, 20:55 GMT-5
Updated: 2 years ago 4 mar 2023, 20:56 GMT-5

Hi

Thankyou Jeff, I've seen these blogs they're quite helpful tho but they are about creating a random geaometrt. Is there any possibility to link a randomized function from MATLAB that it can operate the position of heat flux on the surface.

Thankyou Shahid Ali

Hi Thankyou Jeff, I've seen these blogs they're quite helpful tho but they are about creating a random geaometrt. Is there any possibility to link a randomized function from MATLAB that it can operate the position of heat flux on the surface. Thankyou Shahid Ali

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