I calculate natural frequency composite plate (Uniformly Loaded Simply Supported Plate) I use analysis CPT (The classical lamination theory) and FSDT (The first order shear deformation theory). The result is similar to ANSYS. However, when I use FEM (Quadrilateral element Q4) by FSDT, the result is very difference with ANSYS. Can someone help me?Can someone share me similar FEM matlab code? Thank you very much! http://www.mediafire.com/file/uinznznlej2/Nguyen_quang_tien.rar
My email: quangtien1680 [at] yahoo.com (quangtien1680[at]yahoo[dot]com)
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