Question

Use the stiffness method to analyse the elastic frame ABC shown below. Use a model made up of 2 the elements (AB and CB) and the axis indicated in the figure. All members have the following properties: E = 2 10^8 kPa, A = 0.005 m^2, I = 1.5e - 4 m^4.. Also the lengths of the elements are the same: AB = BC = L = 2.3 m and ? = 21 kN/m. Structure, loading, member axes Degrees of freedom Calculate the the bending moment at Joint A, following the steps below: Part 1: Assemble the global structure stiffness matrix. Calculate: a) K11 = b) K22 = c) K33 = Part 2: Specify the load vector. Provide your answers with two decimal places. P = [kN, kNm, kN] Part 3: Calculate the displacements. Provide your answers with three significant figures: a) u1 = m b) u2 = rad c) u3 = m Part 4: Finally, calculate the momentum at joint A. Provide your answer with two decimal places. MA = KNm

          Use the stiffness method to analyse the elastic frame ABC shown below. Use a model made up of 2 the elements (AB and CB) and the axis indicated in the figure. All members have the following properties: E = 2  10^8 kPa, A = 0.005 m^2, I = 1.5e - 4 m^4.. Also the lengths of the elements are the same: AB = BC = L = 2.3 m and ? = 21 kN/m. Structure, loading, member axes Degrees of freedom Calculate the the bending moment at Joint A, following the steps below: Part 1: Assemble the global structure stiffness matrix. Calculate: a) K11 = b) K22 = c) K33 = Part 2: Specify the load vector. Provide your answers with two decimal places. P = [kN, kNm, kN] Part 3: Calculate the displacements. Provide your answers with three significant figures: a) u1 = m b) u2 = rad c) u3 = m Part 4: Finally, calculate the momentum at joint A. Provide your answer with two decimal places. MA = KNm

Use the stiffness method to analyse the elastic frame ABC shown below. Use a model made up of 2 the elements (AB and CB) and the axis indicated in the figure. All members have the following properties: E = 2 10^8 kPa, A = 0.005 m^2, I = 1.5e - 4 m^4.. Also the lengths of the elements are the same: AB = BC = L = 2.3 m and ? = 21 kN/m. Structure, loading, member axes Degrees of freedom Calculate the the bending moment at Joint A, following the steps below: Part 1: Assemble the global structure stiffness matrix. Calculate: a) K11 = b) K22 = c) K33 = Part 2: Specify the load vector. Provide your answers with two decimal places. P = [kN, kNm, kN] Part 3: Calculate the displacements. Provide your answers with three significant figures: a) u1 = m b) u2 = rad c) u3 = m Part 4: Finally, calculate the momentum at joint A. Provide your answer with two decimal places. MA = KNm

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