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how to define a parameter's initial value(=1 in some specail region and =0 in other region)

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Hi all:
I have a question about defining a parameter's initial value. For example, my simulaiton domain is a square, and I divide this simulation domain into many grians. Now I want to define a parameter, the value of the parameter is 1 in the grain boundaries and is 0 inner the grain. Is there any way to do that?
Thanks!

0 Replies Last Post 2016年8月5日 GMT-4 01:41
COMSOL Moderator

Hello Lidong Xia

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