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a. Compute the total stiffness matrix [K] of the assemblage shown in Figure 3-1 by superimposing...




a. Compute the total stiffness matrix [K] of the assemblage shown in Figure 3-1 by superimposing the stiffness matrices of th
a. Compute the total stiffness matrix [K] of the assemblage shown in Figure 3-1 by superimposing the stiffness matrices of the individual bars. Note that should be in terms of A. As, A, E, E E, L. and L. Here A, E, and are generic symbols used for cross-sectional area modulus of elasticity, and length, respectively Figure P3-1 Now let As - Ag-A-A.E E, E E and L-L L -L nodes 1 and 4 are fixed and a force Pacts at mode 3 in the positive x direction, find expressions for the displacement of nodes 2 and 3 in terms of A E L and Now let A = 6x 10 = 70 GPL = 0.25 m, and P-5000 N Determine the numerical values of the displacements of modes 2 and 3 ll. Determine the numerical values of the reactions at nodes 1 and 4 l. Determine the stresses in elements 1-3. Figure P3-8 3.15. For each of the bar elements shown in Figure 13-15, evaluate the globalxy stiffness Figure P3-15 /9
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Global stiffness matrix C ² es is ge c2 - & K = AE 1 cs s² -CS -5 C=coso, s= sino € = 210GPA 5x 10-4 m² 2-0.5m and c=B sa A =

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