CAD CAD Simulation and Analysis 1

Question 1

What type of analysis in CAD software divides a model into small elements to predict how it will respond to forces and loads?

Accepted Answer

Finite Element Analysis

Answer

Computational Fluid Dynamics

Answer

Motion Simulation

Answer

Thermal Mapping

Question 2

In FEA, what is the term for the network of small polygons or tetrahedra that covers the model surface or volume?

Accepted Answer

Mesh

Answer

Lattice

Answer

Grid

Answer

Wireframe

Question 3

Which boundary condition is required in every FEA simulation to prevent the model from moving freely in space?

Accepted Answer

Fixed constraint

Answer

Force application

Answer

Material assignment

Answer

Contact definition

Question 4

In a CAD motion simulation, what property describes resistance to change in rotational velocity around an axis?

Accepted Answer

Moment of inertia

Answer

Linear momentum

Answer

Coefficient of friction

Answer

Center of gravity

Question 5

What color is typically used on a von Mises stress plot to indicate regions of highest stress concentration?

Accepted Answer

Red

Answer

Blue

Answer

Green

Answer

Yellow

Question 6

Which CAD simulation type is used to study airflow or fluid behavior around a product such as an automotive body?

Accepted Answer

Computational Fluid Dynamics

Answer

Modal analysis

Answer

Thermal analysis

Answer

Fatigue analysis