2008/11/25Page 1 Free vibration of MDOFs Reporter: Jai-Wei Lee Advisor ： Jeng-Tzong Chen Date: Nov., 25, 2008.

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Presentation transcript:

2008/11/25Page 1 Free vibration of MDOFs Reporter: Jai-Wei Lee Advisor ： Jeng-Tzong Chen Date: Nov., 25, 2008

2008/11/25Page 2 Problem statement 3-DOFs Mass matrix Stiffness matrix where

2008/11/25Page 3 Mass and Stiffness Matrices Energy derivation/(Newton Law)

2008/11/25Page 4 Eigenvalues (natural frequency) and eigenvectors 1 2 3

2008/11/25Page 5 Simulation of free vibration Mode 1 Mode 2

2008/11/25Page 6 Simulation of free vibration Mode 3

2008/11/25Page 7 The end Thanks for your kind attentions