Using Direct Stiffness method determine the nodal displacements of stepped 10 bar shown in figure .Take, G = 100 GPa.

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teamques10 ★ 69k

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finite element analysis

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written 8.1 years ago by

teamques10 ★ 69k

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$K = frac{GJ}{L} \begin{bmatrix} \ 1 & -1 \\ \ -1 & 1 \\ \end{bmatrix}\\ k_1 = \frac{100 \times 10^3 \times \frac{\pi}{32} \times 100^4}{450} \begin{bmatrix} \ 1 & -1 \\ \ -1 & 1 \\ \end{bmatrix} = 10^6 \begin{bmatrix} \ 2181.7 & -2181.7 \\ \ -2181.7 & 2181.7 \\ \end{bmatrix}\\ …

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