Assemble the global stiffness matrix. ) Solve for the nodal displacements. 1) Compute the stresses in the elements.

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A truss assemblage shown in Figure 11.3, in which node A experiences a downward load of
18 kN, lies in the glotbal x-y coordinate. If, A= 2.5x104 m², E = 200 GPa for all elements, use
the direct stiffness method to:
i) Assemble the global stiffness matrix.
i1) Solve for the nodal displacements.
i) Compute the stresses in the elements.
-450-
- 450 -350-
600
X
18 KN
Figure 11.3
Transcribed Image Text:A truss assemblage shown in Figure 11.3, in which node A experiences a downward load of 18 kN, lies in the glotbal x-y coordinate. If, A= 2.5x104 m², E = 200 GPa for all elements, use the direct stiffness method to: i) Assemble the global stiffness matrix. i1) Solve for the nodal displacements. i) Compute the stresses in the elements. -450- - 450 -350- 600 X 18 KN Figure 11.3
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