CES 4141 - Stress Analysis Spring 20021 of 1 1/28/02 HW #4 assigned 1/31/02, due 2/7/02Use stiffness by definitionto derive the stiffness matrix for the four structures below: see notes on class web siteMAKE A COPY BEFORE TURNING INa) Draw the deflected shapes as a unit displacement at each D.O.F. in turn, holding all other D.O.F. = 0b) Find the stiffness for the structure (the forces required to hold these deflected shapes) using slope deflection
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