Figure 1 shows a 2D truss structure where the cross-sectional area of e member is 100 mm2 and is…

Figure 1 shows a 2D truss structure where the cross-sectional area of e member is 100 mm2 and is made of steel (E = 200GPa). For L = 20001-nrn determine the following: a) The reduced set of equations in matrix form (Kd = F) to allow you to determine the displacements of the free nodes via the finite element met (DO NOT SOLVE), and If the displacements at nodes 2 and 3 are: u2 ;— -0.135 mm, V2 = 1.578 m -0.693 mm, and vs = 0.423 mm where u and v are the displacement the x and y directions respectively, determine, using the finite element method, the stresses in all bars.

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