6. Design and CAD

Finite Element Analysis — Quiz

Test your understanding of finite element analysis with 5 practice questions.

Practice Questions

Question 1

Which principle underpins the derivation of the finite element equations in structural analysis?

Question 2

How many Gauss integration points are required in each coordinate direction to exactly integrate the stiffness matrix of a linear 8-node hexahedral element?

Question 3

Which mesh quality metric quantifies the ratio of the longest cell edge to the shortest cell edge within an element?

Question 4

In a plane stress analysis, if $\sigma_x=100\,\mathrm{MPa}$, $\sigma_y=50\,\mathrm{MPa}$, and $\tau_{xy}=30\,\mathrm{MPa}$, what is the maximum principal stress $\sigma_1$?

Question 5

Which statement correctly distinguishes verification from validation in finite element modeling?