Consider the frame of Problem 12.13 and plot the free-body diagrams of elements 1 and 2 highlighting all actions applied to them. Problem 12.13 Evaluate the reactions for the frame illustrated below...

Consider the frame of Problem 12.13 and plot the free-body diagrams of elements 1 and 2 highlighting all actions applied to them.

Problem 12.13

Evaluate the reactions for the frame illustrated below using the stiffness method. Assume I = 320 × 106 mm4, A = 12 × 103 mm2 and E = 200 GPa.