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(Solved): Determine the nodal displacements and reaction forces using the finite element direct method for the ...
Determine the nodal displacements and reaction forces using the finite element direct method for the 1-D bar elements connected as shown below. Do not rename the nodes or elements. Assume that bars can only undergo translation in
x(1 DOF at each node). Nodes 1 and 4 are fixed. Elements 1, 2 and 3 have Young's Modulus of E1
=100Pa,E2=200Pa,E3=150Pa. All elements have length of 1 m and cross-sectional area of
2m^(2). There is an applied external force acting at Node 2 of 50 N and Node 3 of 30 N .
