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PDE： minimize my energy function instead of maximizing it
Posted 21.07.2014, 18:29 GMT-4 0 Replies
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Recently I use PDE weak form for energy minimizing problem. But instead of minimizing it, comsol gave me the result of maximizing the equation. How can I actually the minimize it instead of maximizing it ?
PS: I know I need to ensure the second derivative of function positive in order to get the minimum result. But how can I implement this condition to comsol?
Thank you so much.
Xu Li
Hello Xu Li
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