CSWP Simulation & Design Validation Tools 4 — Questions and Answers
Question 1: Which SOLIDWORKS Simulation option allows you to define a load that varies with frequency for a dynamic study?
- Remote Load
- Bearing Load
- Harmonic/Frequency Response Load (Correct answer)
- Prescribed Displacement
Correct answer: Harmonic/Frequency Response Load
A Harmonic (Frequency Response) study accepts loads defined as a function of frequency to analyze steady-state response to sinusoidal excitation.
Question 2: In SOLIDWORKS Simulation, what is the purpose of the 'Mesh Quality Plot'?
- To display stress concentration factors on curved surfaces
- To identify poor-quality elements that may compromise result accuracy (Correct answer)
- To show the density gradient of the mesh across the model
- To compare mesh size between different configurations
Correct answer: To identify poor-quality elements that may compromise result accuracy
The Mesh Quality Plot highlights elements with high aspect ratios or distortion, which can introduce numerical errors into the simulation results.
Question 3: What does the 'Probe' tool in SOLIDWORKS Simulation allow you to do?
- Apply point loads to specific vertices
- Query result values at specific nodes or locations on the model (Correct answer)
- Refine the mesh at selected points
- Export results to an Excel spreadsheet
Correct answer: Query result values at specific nodes or locations on the model
The Probe tool extracts and displays numerical result values (stress, displacement, temperature, etc.) at user-selected nodes or locations.
Question 4: In SOLIDWORKS Simulation, which material failure criterion is most appropriate for brittle materials?
- Von Mises (Maximum Distortion Energy)
- Maximum Shear Stress (Tresca)
- Mohr-Coulomb stress
- Maximum Normal Stress (Correct answer)
Correct answer: Maximum Normal Stress
The Maximum Normal Stress criterion (Rankine criterion) is commonly used for brittle materials, which fail due to tensile fracture rather than yielding.
Question 5: When does SOLIDWORKS Simulation require a nonlinear study instead of a linear static study?
- When more than 50 load cases are applied
- When large deformations, material plasticity, or nonlinear contact is involved (Correct answer)
- When the model contains more than 10 components
- When using shell elements instead of solid elements
Correct answer: When large deformations, material plasticity, or nonlinear contact is involved
Nonlinear studies are required when geometric nonlinearity (large deflections), material nonlinearity (plasticity, hyperelasticity), or nonlinear contact behavior is present.
Question 6: In Flow Simulation, what is the function of a 'Surface Goal'?
- It defines a fluid inlet boundary condition on a surface
- It tracks a specific flow parameter averaged or summed over a defined surface (Correct answer)
- It applies a heat flux boundary condition
- It sets the convergence tolerance for wall boundary layers
Correct answer: It tracks a specific flow parameter averaged or summed over a defined surface
A Surface Goal monitors a result quantity (e.g., average pressure, total heat transfer rate) over a selected surface to track convergence and extract engineering data.
Question 7: What does the 'P-Adaptive' mesh method in SOLIDWORKS Simulation do differently from standard H-Adaptive meshing?
- It reduces element size (h) in high-stress areas
- It increases the polynomial order (p) of elements to improve accuracy without changing element size (Correct answer)
- It applies automatic symmetry to reduce model size
- It switches to shell elements in thin regions
Correct answer: It increases the polynomial order (p) of elements to improve accuracy without changing element size
P-Adaptive meshing increases the polynomial order of shape functions within existing elements, improving accuracy by enriching the solution space rather than refining element size.
CSWP Simulation & Design Validation Tools 4
Which SOLIDWORKS Simulation option allows you to define a load that varies with frequency for a dynamic study?