CSWP Simulation & Design Validation Tools 2 — Questions and Answers
Question 1: In SOLIDWORKS Simulation, what does a von Mises stress result indicate?
- Maximum principal stress at a point
- A scalar stress value used to predict yielding in ductile materials (Correct answer)
- The stress component normal to the largest face
- Shear stress along the neutral axis
Correct answer: A scalar stress value used to predict yielding in ductile materials
Von Mises stress is a scalar value derived from all stress components, used with the von Mises yield criterion to predict yielding in ductile materials.
Question 2: Which Simulation study type is most appropriate for analyzing a part subjected to a continuously rotating load over many cycles?
- Static study
- Fatigue study (Correct answer)
- Thermal study
- Nonlinear study
Correct answer: Fatigue study
A Fatigue study evaluates cumulative damage from cyclic loading and predicts the life of a component under repeated stress cycles.
Question 3: What is the purpose of mesh refinement in SOLIDWORKS Simulation?
- To reduce file size
- To improve result accuracy in regions of high stress gradient (Correct answer)
- To speed up solver computation
- To apply loads more precisely
Correct answer: To improve result accuracy in regions of high stress gradient
Refining the mesh in critical regions increases element density, improving accuracy where stress or displacement changes rapidly.
Question 4: In a SOLIDWORKS Flow Simulation project, what does a 'Cut Plot' display?
- A cross-sectional view of flow parameters on a specified plane (Correct answer)
- The external surface pressure distribution
- Particle trajectory paths
- Boundary condition summary
Correct answer: A cross-sectional view of flow parameters on a specified plane
A Cut Plot shows flow results (velocity, pressure, temperature, etc.) on a user-defined cross-sectional plane through the model.
Question 5: Which boundary condition in SOLIDWORKS Simulation prevents all translational and rotational motion at a face?
- Roller/Slider
- Fixed Geometry (Correct answer)
- Use Reference Geometry
- Symmetry
Correct answer: Fixed Geometry
Fixed Geometry constrains all six degrees of freedom (three translational and three rotational) at the selected entity.
Question 6: What does a Safety Factor plot in SOLIDWORKS Simulation represent?
- The ratio of applied load to allowable load
- The ratio of material strength to computed stress at each location (Correct answer)
- The factor by which mesh density is multiplied
- The percentage of elements that exceed yield strength
Correct answer: The ratio of material strength to computed stress at each location
The Safety Factor plot divides the selected failure criterion (e.g., yield strength) by the computed stress, showing where values below 1.0 indicate predicted failure.
Question 7: In SOLIDWORKS Simulation, which solver is recommended for large assemblies with many contact conditions?
- Direct Sparse solver
- FFEPlus iterative solver (Correct answer)
- Large Problem Direct Sparse solver
- Intel Direct Sparse solver
Correct answer: FFEPlus iterative solver
The FFEPlus iterative solver is memory-efficient and better suited for large models with many degrees of freedom and contact sets.
CSWP Simulation & Design Validation Tools 2
In SOLIDWORKS Simulation, what does a von Mises stress result indicate?