For the frame shown in Figure P16.7, write the stiffness matrix in terms of the three degrees

Question:

For the frame shown in Figure P16.7, write the stiffness matrix in terms of the three degrees of freedom indicated. Use both the method of introducing unit displacements and the member stiffness matrix of Equation 16.36. Given: E = 30,000 kips/in.² ; I = 500 in.⁴ , and A = 15 in.² .

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