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Force equilibrium not achieved within tolerance between finite and infinite element in common nodes

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myengeje

myengeje

Geotechnical
Joined
Jul 18, 2016
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Hi, I am modeling of 2D plain strain model of soil under base excitation in bottom of model, 2 step defined and infinite element created in inp file and then imported. geostatic step completely finished (stress in finite element and infinite element is ok ) but second step (dynamic implicit) is not converge.
Could you please help me solve this problem. inp text file attached.
thank you
 
 http://files.engineering.com/getfile.aspx?folder=f33b24b4-a8e1-46bd-a226-b36f755bf21c&file=Job-21.inp
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