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Hello, I have established a 3d frame shear wall model, but the model periods of the wall elements using ShellnlDKGQ and ShellMITC4 are very different, and the period of the former is much greater than that of the latter (30% +) pizza tower I want to know why :) Shells, Beams, and Solids are the thr...

OpenSees/Tcl instructions may be performed in one of three ways, as follows: Direct command entry is possible at the propt, Execute input file at OpenSees. prompt. The most typical approach is this one. The source command may be used to run an external file containing input instructions (inputFile.t...