FEA MIDTERM EXAM REVIEWER UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS

FEA MIDTERM EXAM REVIEWER UPDATED ACTUAL
QUESTIONS AND CORRECT ANSWERS

Question:
1. The process of dividing a solution domain into small elements is called:
A) Integration
B) Discretization
C) Convergence
D) Refinement
Answer:
B) Discretization

Question:
2. In FEM, the connecting point where elements meet is called:
A) Mesh
B) Node
C) Support
D) Boundary
Answer:
B) Node

Question:
3. Which method forms the core of FEM by directly relating forces and displacements?
A) Matrix Structural Analysis
B) Variational Method
C) Direct Stiffness Method
D) Flexibility Method
Answer:
C) Direct Stiffness Method

Question:
4. The stiffness matrix defines the relationship between:
A) Forces and strains
B) Stresses and loads
C) Nodal forces and nodal displacements
D) Elements and interpolation functions
Answer:
C) Nodal forces and nodal displacements

Question:
5. Nonlinearities due to buckling or large deflections are classified as:
A) Material Nonlinearity
B) Geometric Nonlinearity
C) Boundary Condition Nonlinearity
D) Structural Rigidity

, Answer:
B) Geometric Nonlinearity

Question:
6. Who introduced the lattice method in 1941?
A) Canlas Singh
B) Cuevas
C) Hrennikof
D) Fitz
Answer:
C) Hrennikof

Question:
7. The first use of piecewise polynomial interpolation functions was introduced by:
A) Courant
B) Clough
C) David
D) Muzan
Answer:
A) Courant

Question:
8. Who coined the term "Finite Element Method" in 1960?
A) Tyson Ngo
B) Ray Clough
C) Anghelo Luzon
D) Sheldon Cooper
Answer:
B) Ray Clough

Question:
9. The "Golden Age" of FEM occurred during:
A) 3000 BC
B) 1966-1991
C) Triassic Period
D) 2018-present
Answer:
B) 1966-1991

Question:
10. The FEM software NASTRAN was originally developed by:
A) Boeing
B) NASA
C) ANSYS Inc
D) Dassault Systèmes
Answer:
B) NASA