GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-VII (NEW) EXAMINATION - WINTER 2018
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Subject Code: 2172008 Date: 03/12/2018Subject Name: Finite Element Analysis of Mechatronic Systems
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
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2. Make suitable assumptions wherever necessary.3. Figures to the right indicate full marks.
| MARKS | |
|---|---|
| Q.1 | |
| (a) Explain Descretization in FEM. | 03 |
| (b) What are the merits and demerits of FEA? | 04 |
| (c) Explain the steps for solving problems using FEM. | 07 |
| Q.2 | |
| (a) Evaluate: FEA gives Approximate solution. | 03 |
| (b) For the spring assemblage with arbitrarily numbered nodes shown in Figure & obtains (a) the global stiffness matrix, (b) the displacements of nodes 3 and 4. Force P=5000N is applied at node 4 in X direction. The spring constant Ki=1000N/mm, K>=2000N/mm & k3=3000N/mm. | |
| (c) Discuss the different types of elements used in FEA with its application. | 07 |
| OR | |
| (c) Derive element stiffness matrix for 1D bar element. | 07 |
| Q.3 | |
| (a) Define local and global coordinate system’in trusses. | 03 |
| (b) Give the practical application of axisymmetric elements. | 04 |
| (c) Find the displacement at each node and reaction forces for the two member truss shown in fig.{Assume EA to be constant for all members. --- Content provided by FirstRanker.com --- This download link is referred from the post: GTU BE/B.Tech 2018 Winter Question Papers || Gujarat Technological University |