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P1. A beam in the shape of the arch shown is subjected to two equal point loads P = 50 kN. Thematerial of the beam is masonry with density of 30 kN/m and elastic modulus of E = 30 GPa. The archprofile follows an equation such that: y=0.5*sqrt(x). The transverse width of the beam is 1 m. You mayassume the beam as simply supported and fully symmetric.A. Calculate the midspan deflection and the internal shear stress at distance x = 1 m using twoquintic Bernoull beam elements for the entire beam. Compare against 4 cubic Bernoullielements for the entire beam.B. Now compare your previous answers to two 2-noded, then 3-noded Timoshenko beamelements for the entire beam.C. Search for an exact solution for this beam and compute the midspan displacement consideringshear effect. Compare against the solutions you obtained in parts A and B.2 m4m11.27B2 m​

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