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Question: use the finite element method to solve for the nodal...

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Use the finite element method to solve for the nodal displacements of the planar truss shown below when a vertical downward load of 1000 N is applied at node 4 by hand AUTODESK® SIMULATION MECHANICAL (a) Find the stress developed in each element. (b) compute the reaction forces imposed by th pin connections at nodes 1 and 2. For complete credit, you must compare the global nodal displacements you computed by hand to the values obtained in the simulation. You must also compare the stresses you computed in each element to the results in the simulation Take: Ai = A2 = 2 cm2, Аз = A4-1 cm-, E.-2x 102 N/cm?, i = 1,2,3,4. IELEM=11 332] 3 2 4 4 1000 N 4 3 12 2 501 50 100

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