ACP ACP Inventor Nastran and Dynamic Simulation

Question 1

In Inventor Nastran, what is the primary purpose of applying boundary conditions before running a simulation?

Accepted Answer

To define how the model is constrained and loaded in the real-world scenario

Answer

To assign material properties to components

Answer

To set the mesh element size

Answer

To define contact between assembly parts

Question 2

In Inventor's Dynamic Simulation environment, which joint type allows rotation about one axis and translation along the same axis?

Accepted Answer

Cylindrical

Answer

Revolute

Answer

Slider

Answer

Ball

Question 3

What does a 'convergence study' in Inventor Nastran verify?

Accepted Answer

That refining the mesh no longer significantly changes the simulation results

Answer

That the model geometry matches the CAD design intent

Answer

That all boundary conditions are properly applied

Answer

That the material properties are correctly assigned

Question 4

In Inventor Nastran, which element type is most appropriate for simulating a thin-walled sheet metal bracket?

Accepted Answer

Shell elements

Answer

Solid tetrahedral elements

Answer

Beam elements

Answer

Spring elements

Question 5

In Inventor's Dynamic Simulation, what is the function of an 'imposed motion' constraint?

Accepted Answer

It drives a joint at a prescribed velocity, acceleration, or position over time

Answer

It locks all degrees of freedom on a joint

Answer

It applies a gravity force to the mechanism

Answer

It defines the initial rest position of a component

Question 6

Which Inventor Nastran analysis type calculates the natural vibration frequencies of a structure without external loads?

Accepted Answer

Normal Modes (Modal)

Answer

Linear Static

Answer

Nonlinear Static

Answer

Frequency Response