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1) Figure shows a thin Aluminium structural beam use in an aircraft structure. Using the stiffness method,determine the BM and Shear force of the two elements of the thin beam shown. Also determine the displacement at the loading point C. Show the stiffness matrices for each member and assembled global stiffnessmatrix. Show your step by step solution. Use a convenient method for the solution such as inverse matrices. E= 80 GPa (40 Marks)
2) Perform a beam structural analysis using ANSYS for beam as: (30 Marks) 1. Line bodies and 2. Surface bodies. For each case compare your results with the calculated values. Compare the time taken to perform your manual calculations and for the FEA analysis. You need to show the beam's normal stress plot and a deflection plot. (Apply member weights with gravitational acceleration, g = 9.81 m/s2)
3) Perform a beam modal analysis (vibration) using ANSYS for the beam as: 1. Line bodies and 2. Surface bodies. List the first three natural frequencies and the mode shapes. Compare your results for each case. You need to comment on the difference between the results using line bodies and surface bodies (if there is any difference)
Given these sinusoids: x1(t) = 0.5cos(25t+20 o ), x2(t)=0.85cos(25t+160 o ) and x3(t)= 0.81cos(25t-145 o ) (a) Subplot the phasors X1, X2 and X3 corresponding to the thee si
Illustrated about the term bending moment? Bending Moment The critical section for bending moment for masonry or concrete block walls is half-way between the centre line and
Borides Borides of Mo, W, Cr, Ti and Zr find extensive industrial application. They exhibit extremely high hardness, melting point from 1800 to 3000 o C and good chemical resi
The end gear is subjected to the loading given in the picture below. If the bearings A & B exerts only Z & Y component of forces on the shaft, Verify the equilibrium torque T at ge
equation for torsional vibration
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What is pedestal? What are uses of pedestal? PEDESTALS A pedestal is used to transfer the loads from the metal columns through the floor and soil to the footing when it is a
Q. Process of polymerization? The process of linking together of monomers, that is, of obtaining macromolecules is called "polymerization". It can be achieved by one of the two
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