Introduction TO Finite Element Analysis - Eurme-602 PDF

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[April-16]

[EURME 602A]

UNIT-II 3. An axial load P = 385 KN is applied to the composite block shown in Figure.3. Determine the stress s in each material 12

B.Tech. Degree Examination Mechanical Engineering VI SEMESTER INTRODUCTION TO FINITE ELEMENT ANALYSIS (Effective from the admitted batch 2012–13)

Time: 3 Hours Max.Marks: 60 ------------------------------------------------------------------------------------Instructions: Each Unit carries 12 marks. Answer all units choosing one question from each unit. All parts of the unit must be answered in one place only. Figures in the right hand margin indicate marks allotted. ---------------------------------------------------------------------------------------------

OR

4. The structure in Figure.4 is subjected to an increase in temperature, T=80o C. Determine the displacements, stresses, and support reactions. Solve this problem by hand calculation, using the elimination method for handling boundary conditions

UNIT-I 1. a) Consider the Rod shown in Figure.1, where the strain at any 2 point x is given by ε x  1  2 x . Find the tip displacement 

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b) Define the principal of virtual work with an example

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OR

UNIT-III

2. a) Use the Rayleigh-Ritz method to find the displacement field u(x) of the rod in Figure.2 element 1 is made of aluminum, and element 2 is made of steel. The properties are: Eal=70Gpa, A1=900 mm2, L1=200 mm Esl=200Gpa, A2=1200 mm2, L2=300 mm 10

b) Briefly discuss the stress – strain relations

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5. Solve the plane stress problem in Figure.5 using three different method divisions. Compare your deformation and stress results with values obtained from elementary beam theory

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