Finite Element Method Questions and Answers – Basic Steps of Finite Element Analysis

This set of Finite Element Method Multiple Choice Questions & Answers (MCQs) focuses on “Basic Steps of Finite Element Analysis”.

1. What are considered as the three main steps/stages in a Finite Element Analysis?
a) Design, Sketching, CAD Modeling
b) Visualization, Modeling, Extrapolation
c) Research, Ideation, Feedback
d) Pre Processing, Analysis, Post Processing
View Answer

Answer: d
Explanation: Pre Processing, Analysis, Post Processing are considered as the three main stages in a Finite Element Analysis. These stages follow a preset sequence, with Pre Processing going first; followed by Analysis and Post Processing.

2. Which of the following is not required to perform Finite Element Analysis in respective softwares?
a) Meshing Tools
b) Material properties
c) Loads and Constraints
d) User information
View Answer

Answer: d
Explanation: User information is not a pre requisite to perform Finite Element Analysis. Meshing Tools, Material properties, Loads and Constraints are an integral part of Finite Element Analysis, without which progress cannot be made.

3. Which of the following is not a step involved in the pre processing stage?
a) Load definition
b) Material definition
c) Computation
d) Mesh preparation
View Answer

Answer: c
Explanation: The pre processing stage is the first stage of performing finite element modeling. In this stage, the structure under discussion undergoes various methodologies to make it fit for finite element analysis. The material properties, loads, constraints are all defined in this stage. Mesh preparation is considered as the final step in the pre processing procedure.

4. Which of the following steps is part of the post processing stage?
a) Plotting graphs
b) Mesh preparation
c) Load definition
d) Boundaries application
View Answer

Answer: a
Explanation: The post processing stage is the penultimate stage of the finite element method. It is in this stage, that the results are analyzed and graphs are plotted. A variety of plots, stress-strain curve, contour plots, stress deformation curve are obtained in this stage. Hyperview, ABACUS are examples of post processing softwares available in the market.

5. What happens in the solving/processing stage of the finite element method?
a) Definition of loads
b) Computation of equations
c) Mesh analysis
d) Plotting graphs
View Answer

Answer: b
Explanation: The processing stage is where the finite element methodology makes use of its principles to arrive at suitable solutions. Once the meshed model is available from the pre processing stage, the processor takes into consideration all data corresponding to loads, material, constraints etc and computes to arrive at the desired solution.
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