Sweep Heat source

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Hi,

I'm trying to make some datas regarding heat flow in solid materials. I want to get temperature datas by changing the heat source domain by each. (ex: T1 for domain 1, T2 for domain 2, ...) At first, I tried to do it one by one but it took so many time so I'm looking for some other ways that can make this more fast. So in conclusion, I want to sweep the heat source domain and get the temperature data one by one just like parameter sweep.

Can you recommend some way to do this?(My comsol software is version 5.6) Thank u.


1 Reply Last Post Nov 21, 2023, 2:27 a.m. EST
Henrik Sönnerlind COMSOL Employee

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Posted: 5 months ago Nov 21, 2023, 2:27 a.m. EST

This is possible by running an auxiliary sweep using the domain number as sweep parameter (say, para), and an expression like sourceValue*(dom==para) for the heat source which has all domains in the selection.

If the source value differs between the domains, then use an interpolation function, and write sourceValue(para)*(dom==para).

The expression (dom==para) evaluates to 1 when the domain number equals the parameter value, and 0 else.

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Henrik Sönnerlind
COMSOL
This is possible by running an auxiliary sweep using the domain number as sweep parameter (say, *para*), and an expression like *sourceValue\*(dom==para)* for the heat source which has all domains in the selection. If the source value differs between the domains, then use an interpolation function, and write *sourceValue(para)\*(dom==para)*. The expression *(dom==para)* evaluates to 1 when the domain number equals the parameter value, and 0 else.

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