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Use the finite difference method to calculate the deformation of the beam. Show all the stresses and strain. Show the diagrams. Assume the material of

Use the finite difference method to calculate the deformation of the beam. Show all the stresses and strain.
Show the diagrams. Assume the material of the beam is mild steel. Calculate the point of contraflexure.

R 1m E = 210 GPa; v= 0.3 4kN 1.4m 5kN 0.8m R

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