QUIZ 2_Finite Element Method

Quiz
•
Architecture
•
University
•
Easy
FANNIE BALAGOSA
Used 2+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
What is the primary purpose of the Finite Element Method (FEM) in engineering?
To provide exact solutions to differential equations
To approximate solutions for complex engineering problems
To replace experimental testing in all cases
To eliminate the need for boundary conditions
2.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
How does FEM simplify the analysis of complex structures?
By solving equations directly without any approximations
By discretizing structures into smaller elements connected at nodes
By assuming that all materials behave linearly
By using only one type of element for all problems
3.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Which of the following is NOT a category of FEM elements?
Line elements
Surface elements
Volume elements
Fluid elements
4.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Why are quadrilateral (QUAD) and hexahedral (HEX) elements preferred over triangular (TRI) and tetrahedral (TET) elements?
They require fewer nodes and provide more accurate results
They are easier to generate for complex geometries
They are always computationally cheaper
They allow for infinite refinement
5.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
What is the difference between ‘plane stress’ and ‘plane strain’ elements in FEM?
Plane stress elements are used in 3D modeling, while plane strain elements are for 2D modeling
Plane stress assumes zero stress in one direction, while plane strain assumes zero strain in one direction
Plane stress is only used for static problems, while plane strain is for dynamic problems
There is no difference between the two
6.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Why is discretization an essential step in FEM?
It helps in reducing computational cost
It transforms complex differential equations into solvable algebraic equations
It ensures that all materials behave elastically
It removes the need for boundary conditions
7.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
What is the primary role of boundary conditions in an FEM simulation?
They determine the type of element used
They define constraints like supports, forces, and temperatures
They are only necessary for nonlinear problems
They automatically refine the mesh
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