The properties of the two elements of a plane truss are given in the table below. Note

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The properties of the two elements of a plane truss are given in the table below. Note that an external force of \(10,000 \mathrm{~N}\) is acting on the truss at node 2.

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a. Write the thermal force vector for each element. Indicate row addresses clearly.

b. Assemble the thermal force vectors to form the global thermal force \(\left\{\mathbf{F}_{T}ight\}\), which is a 2 \(\times 1\) matrix.

c. The problem was solved using FEA to obtain the displacements as \(u_{2}=-1 \mathrm{~mm}, v_{2}=-2 \mathrm{~mm}\). Determine the element force \(P\) in each element.

d. Show that equilibrium is satisfied at node 2.

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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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