It is desired to use the finite element method to solve the two plane truss problems shown

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It is desired to use the finite element method to solve the two plane truss problems shown in the figure below. Assume \(A E=10^{6} \mathrm{~N}, L=1 \mathrm{~m}\). Before solving the global equations \([\mathbf{K}]\{\mathbf{Q}\}=\{\mathbf{F}\}\), find the determinant of \([\mathbf{K}]\). Does \([\mathbf{K}]\) have an inverse? Explain your answer.

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Introduction To Finite Element Analysis And Design

ISBN: 9781119078722

2nd Edition

Authors: Nam H. Kim, Bhavani V. Sankar, Ashok V. Kumar

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