ACP Inventor Nastran and Dynamic Simulation Flashcards
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Read the first 6 ACP Inventor Nastran and Dynamic Simulation flashcards as text
In Inventor's Dynamic Simulation, what does the Output Grapher display?
Answer: Plots of position, velocity, acceleration, and force results for joints and components over the simulation time
The Output Grapher displays time-history plots of kinematic and force results (position, velocity, acceleration, reaction forces) for joints and bodies.
What is the role of a 'contact constraint' in Inventor Nastran?
Answer: It defines the interaction between two surfaces that may come into or separate from contact during loading
A contact constraint defines how two surfaces interact — whether they separate, slide, or bond — when loads are applied during the analysis.
In Inventor's Dynamic Simulation environment, which load type represents the effect of Earth's gravity on all components?
Answer: Gravity
The Gravity load applies a gravitational acceleration vector to all bodies in the dynamic simulation, accounting for weight effects.
What does a 'safety factor' result display in Inventor Nastran's linear static analysis?
Answer: The ratio of material yield strength to the calculated von Mises stress at each location
Safety factor is calculated as material yield strength divided by local von Mises stress, indicating how close each point is to yielding.
In Inventor's Dynamic Simulation, what must be done before exporting joint reaction forces to Inventor Nastran for FEA?
Answer: Run the dynamic simulation to generate force results, then use the Export to FEA command
The simulation must be run first to calculate joint reaction forces, which are then exported as loads into Nastran using the Export to FEA workflow.
Which Inventor Nastran result type shows the maximum distortion energy stress used to predict yielding in ductile materials?
Answer: Von Mises Stress
Von Mises stress is derived from distortion energy theory and is the standard metric for predicting yielding in ductile metals.