GTU BE 2019 Summer Question Papers || Gujarat Technological University
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-VII(NEW) EXAMINATION — SUMMER 2019
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Subject Code:2172008 Date:18/05/2019
Subject Name:Finite Element Analysis of Mechatronic Systems
Time:02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
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| Q1 | MARKS |
|---|---|
| (a) Differentiate between plane stress and plane strain. | 03 |
| (b) What are the merits and demerits of FEA as compared to other conventional methods? | 04 |
| (c) Explain general steps of the Finite Element Method in detail. | 07 |
| Q2 | |
| (a) Explain the significance of performing a Finite element analysis of an engineering problem. | 03 |
| (b) Explain in brief: CST & LST. | 04 |
| (c) Give the derivation of the Stiffness Matrix for a Bar Element in Local Coordinates. | 07 |
| OR | |
| (c) For the spring assemblage shown in Figure 2, obtain (a) the global stiffness matrix, (b) the displacements of nodes 2—4, (c) the global nodal forces, and (d) the local element forces. Node 1 is fixed while node 5 is given a fixed, known displacement d=20.0mm. The spring constants are all equal to k =200 kN/m. | 07 |
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