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Modelling stress dependent elasticity
Posted 2020年4月13日 GMT-4 17:14 Geomechanics Version 5.4 0 Replies
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My Young's modulus changes with stress. I defined a function for Young's modulus versus stress. I tried to use weak contribution and auxiliary dependent variable to solve the problem with the circular variable dependency and introduce a new variable onto which the stress value is mapped. But the question is that I don't know how to write the weak expression. Does anyone have ideas? Thanks.
Hello Wenjing Wang
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