Answer Happy

For the steel bar having a uniform diameter of 10 mm in the figure below, using the energy method, which of the following values is correct for the strain energy stored in the bar material due to the external loads? The Young's modulus of steel is 200 GPa. 600 mm 1-400 mm 50 KN 40 KN B 50 kN (A) 89.17 N.m (B) 104.88 Nm (C) 75.32 N-m (D) 126.54 Nm
(14) Which of the following statements is incorrect for one-dimensional cubic element? (A) Adding up the shape functions S, S; and Sk leads to a value of zero. (B) The sum of the derivatives of the shape functions with respect to the position coordinate X is zero. (C) The shape function S has a value of zero when evaluated at node j. (D) It provides more accurate solution than one-dimensional quadratic element.