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How to set heat source which will trigger after node temp. reach threshold?

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I want to simulate a case which each node will have some chemical reaction after its temp. meet threshold(e.g. 300 degC). The chemical reaction will release heat dependent on time(like half-sin wave in the first 30s, and drop to 0 after 30s.)

Key points: * each node will start release heat only after its temp. increase to threshold. * The heat release in each node is dependent on time.

Could anyone help on this? Thanks in advance.


0 Replies Last Post 28 feb 2021, 21:41 GMT-5
COMSOL Moderator

Hello Mei Adam

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