Imp Questions for CAE Unit 1 & 2 for Insem

Unit 1 & 2 for Insem

Unit 1 Elemental Properties

Q1. Explain the concept of FEM briefly and outline the procedure?

Q2. Explain the difference between finite element method and finite difference method?

Q3. Discuss the advantages and disadvantages of FEM over finite difference method.

Q4.Explain the steps to solve FEA problem on a software.

Q5.Write a short note on natural coordinate system.

Q6. Draw and explain different types of elements and it's selection?

Q7. Derive the shape function

Q8. What is the convergence requirement of Shape function

Q9 What is the use of CAE in product development.

Q10. Problem on displacement analysis using shape function in 1d element?

Q11. Problem on temperature analysis using shape function in 1d element?

Q12. What are the field variables in FEA

Q13. Explain 2d types of elements

Q14. Explain finite volume method.

Unit 2 Meshing Techniques

1. Explain: Refined Mesh

2. Briefly outline concept of P and H formulation and how it is used for improving accuracy in FEA simulation?

3. Write a Short note on Mesh refinement

4. Write Short note on: Effect of element aspect ratio on accuracy

5. Define the term: Aspect ratio

6. Define the term: wrap angle

7. Define the term skewness

8. Write a short note on Mesh refinement vs higher order elements

9. Why quality of meshing important in FEA

10. Explain Element selection criteria

11. Explain effect of mesh density in critical region

12. Why quality of meshing is ensured and the convergence of element in FEA formulation is achieved