CSWA-S Multiple Choice Q- Extended Edition
The statement that the displacement at a particular location in a specific direction can be larger than the resultant displacement at that location is: A. True B. False
B. False
14. For which statements are true for Material Properties using SOLIDWORKS Simulation? A. For solid assemblies, each component can have a different material. B. For shell models, each shell cannot have a different material and thickness. C. For shell models, the material of the part is used for all shells. D. For beam models, each beam cannot have a different material.
A and C. A. For solid assemblies, each component can have a different material. C. For shell models, the material of the part is used for all shells.
73. Which of the following assumptions are correct for a SOLIDWORKS static Simulation analysis? There can be more than a single answer. A. All displacements are small relative to the model geometry; unless Large Displacements are activated. B. Inertia effects are negligible, and loads are applied slowly. C. Results are proportional to loads. With the exception of when the following conditions are present: No penetration, Large Displacements, Shrink fit or Virtual wall contacts. D. None of the above.
A, B, C A. All displacements are small relative to the model geometry; unless Large Displacements are activated. B. Inertia effects are negligible, and loads are applied slowly. C. Results are proportional to loads. With the exception of when the following conditions are present: No penetration, Large Displacements, Shrink fit or Virtual wall contacts.
3. Which of the following assumptions are true for a static analysis in SOLIDWORKS Simulation with small displacements? A. Inertia effects are negligible and loads are applied slowly. B. The model is not fully elastic. If loads are removed, the model will not return to its original position. C. Results are proportional to loads. D. All the displacements are small relative to the model geometry.
A,C, D A. Inertia effects are negligible and loads are applied slowly. C. Results are proportional to loads. D. All the displacements are small relative to the model geometry.
22. In general, use Thin shells when the thickness-to-span ratio is less than ___. A. 0.05 B. 0.5 C. 1 D. 2
A. 0.05
16. A Truss element has ___ nodes with ___ translational degrees of freedom per node. A. 2, 3 B. 3, 3 C. 6, 6. D. 2, 2
A. 2, 3
27. There are ___ DOFs restrained for a Solid element. A. 3 B. 1 C. 6 D. None
A. 3
87. Which of the following geometries can be meshed using beam elements? There can be more than one answer. Note: Beam or Truss elements are suitable for extruded or revolved objections and structural members with constant cross-sections. A. A B. B C. C D. None of them.
A. A
26. A remote load applied on a face with a Force component and no Moment can result in: Note: Remember (DOFs restrain). A. A Force and Moment of the face. B. A Force on the face only. C. A Moment on the face only. D. A Pressure and Force on the face.
A. A Force and Moment of the face.
83. You have a 10-inch-long beam of cross section A. The beam is fixed at one end. A tensile force of 200 lbf is applied to the other end. The beam material is Alloy Steel. The tensile stress if found to be approximately 1000 psi. You modify the beam material to titanium Ti-SAI-2.55n. Everything else in the study remains the same. What would the tensile force be? A. Approximately the same original stress. B. Approximately half of the original stress. C. Approximately 2X of the original stress. D. Approximately 3X of the original stress.
A. Approximately the same original stress.
78. A thin sheet metal part (Shell) is stiffened by structural members (H-beams). What SOLIDWORKS Simulation contact type or connector would you apply between the shell surface and each structural member? A. Bonded Contact (Interactions). B. Rigid Connector. C. Thermal Resistance. D. None of the above.
A. Bonded Contact (Interactions).
33. There are four key assumptions made in Linear Static Analysis: 1. Effects of inertia and damping are neglected, 2. The response of the system is directly proportional to the applied loads, 3. Loads are applied slowly and gradually, and ___. A. Displacements are very small. The highest stress is in the linear range of the stress-strain curve. B. There are no loads. C. Material is not elastic. D. Loads are applied quickly.
A. Displacements are very small. The highest stress is in the linear range of the stress-strain curve.
Assuming a linear static study, if the Young's modulus of the material is doubled (everything else remains the same), then the tensile stress will be: A. Doubled B. Halved C. Remains the same D. Need more information
A. Doubled
56. You can simplify a large assembly in a Static Study by using the ___ or ___ options in your study. A. Make Rigid, Fix. B. Shell element, Solid element. C. Shell element, Compound element. D. Make Rigid, Load element.
A. Make Rigid, Fix.
39. SOLIDWORKS Simulation uses the von Mises Yield Criterion to calculate the Factor of Safety of many ductile materials. According to the criterion: A. Material yields when the von Mises stress in the model equals the yield strength of the material B. Material yields when the von Mises stress in the model is 5 times greater than the minimum tensile strength of the material C. Material yields when the von Mises stress in the model is 3 times greater than the FOS of the material D. None of the above
A. Material yields when the von Mises stress in the model equals the yield strength of the material
24. The model, a rectangular sheet metal part, uses SOLIDWORKS Simulation. You should use a: A. Thin Shell element formulation. B. Thick Shell element formulation. C. Thick or Thin Shell element formulation, it does not matter. D. Beam Shell element formulation.
A. Thin Shell element formulation.
82. What criteria are best suited to check the failure of ductile material in SOLIDWORKS Simulation? A. Maximum von Mises Stress and Maximum Shear Stress criteria. B. Maximum von Misses Stress and Maximum Shear Strain criteria. C. Maximum von Misses Stress and Maximum Normal Stress criteria. D. Mohr-Coulomb Stress and Maximum Normal Stress criteria.
A. Maximum von Mises Stress and Maximum Shear Stress criteria.
55. Use the ___ and ___ plots to calculate the distance between two nodes using SOLIDWORKS Simulation. A. Mesh and Displacement B. Displacement and FOS C. Resultant Displacement and FOS D. None of the above
A. Mesh and Displacement
19. Use the mesh and displacement plots to calculate the distance between two ___ using SOLIDWORKS Simulation. A. Nodes. B. Elements. C. Bodies. D. Surfaces.
A. Nodes.
66. Various adaptive methods can be applied to improve accuracy of the results. The h-adaptive method increases the ___ with each iteration. A. Number of elements. B. Meshing speed. C. Polynomial order. D. None of the above.
A. Number of elements.
46. It is possible to mesh ___ with a combination of Solids, Shells, and Beam elements in SOLIDWORKS Simulation. A. Parts and Assemblies. B. Only Parts. C. Only Assemblies. D. None of the above.
A. Parts and Assemblies.
52. The structure displayed in the following illustration is best analyzed using: A. Shell elements. B. Solid elements. C. Beam Elements. D. A mixture of Beam and Shell elements.
A. Shell elements.
54. Surface models can only be meshed with ___ elements. A. Shell elements. B. Solid elements. C. Beam Elements. D. A mixture of Beam and Shell elements.
A. Shell elements.
18. How does SOLIDWORKS Simulation automatically treat a Sheet metal part with uniform thickness? A. Shell. B. Solid. C. Beam. D. Mixed Mesh.
A. Shell.
20. Surface models can only be meshed with ___ elements. A. Shell. B. Beam. C. Mixed Mesh. D. Solid.
A. Shell.
58. To compute thermal stresses on a model with a uniform temperature distribution, what type/types of study/studies are required? A. Static only. B. Thermal only. C. Both static and thermal. D. None of the above.
A. Static only.
6. Stress is proportional to ___ in a Linear Elastic Material. A. Strain. B. Stress. C. Force. D. Pressure.
A. Strain.
4. What is Yield Stress? A. The stress level beyond which the material becomes plastic. B. The stress level beyond which the material breaks. C. Results are proportional to loads. D. All the displacements are small relative to the model geometry.
A. The stress level beyond which the material becomes plastic.
"Mesh convergence" means that as the element size decreases (becomes smaller) in areas of high stress gradient (high stress concentration), the solver will produce maximum stress values closer and closer to the true value. A. True B. False
A. True
42. Maximum and Minimum value indicators are displayed on Stress and Displacement plots in SOLIDWORKS Simulation for a Linear Static Study. A. True B. False
A. True
49. The Ratio value in Mesh Control provides the geometric growth ratio from one layer of elements to the next. A. True B. False
A. True
59. In an h-adaptive method, use smaller elements in mesh regions with high errors to improve the accuracy of results. A. True B. False
A. True
60. In a p-adaptive method, use elements with a higher order polynomial in mesh region with high errors to improve the accuracy of results. A. True B. False
A. True
64. The concept of the h-method (available for solid part and assembly documents) is to use smaller elements (increase the number of elements) in regions with high relative errors to improve accuracy of the results. A. True B. False
A. True
69. Global size in the Mesh PropertyManager is only available for a Standard Mesh. A. True B. False
A. True
72. True or False: Use the probe tool to display the numerical value of the plotted field at the closest node or element's center to the selected model location. You can graph the results or save them to a file. A. True B. False
A. True
76. True or False: If interferences are detected, meshing stops, and you can access the Interference Detection PropertyManager to view the interfering parts. Make sure to resolve all interferences before you mesh again. A. True B. False
A. True
77. True or False: For static studies, you should define either gravity or centrifugal loads in order for the distributed mass to be effective. Simulation calculates the static load based on the acceleration due to gravity or the angular velocity and angular acceleration parameters defined in the Centrifugal PropertyManager. A. True B. False
A. True
81. If you modify the study (force, material, etc.) you only need to re-run to update the results. You do not need to re-mesh unless you modified contact conditions. A. True B. False
A. True
Applying a symmetry restraint causes the simulation study to solve half of the model, but still treats the model as if it was still complete. A. True B. False
A. True
Shell elements (in a mesh) in a solid model have no thickness. A. True B. False
A. True
The primary reason for using shell elements is to save computational resources when simulating thin structures. A. True B. False
A. True
17. In general, the finer the mesh the better the accuracy of the results. A. True. B. False.
A. True.
21. The shell mesh is generated on the surface (located at the mid-surface of the shell). A. True. B. False.
A. True.
75. True or False: Check for interferences between bodies when using a compatible mesh with the curvature-based mesher. If you specify a bonded contact condition between bodies, they should be touching. A. True. B. False
A. True.
70. Can you use a Static study in SOLIDWORKS Simulation to simulate the deflection of a bridge with a uniform force? A. Yes B. No
A. Yes
74. Is this model fixed at the two holes? A. Yes B. No
A. Yes
71. Can you calculate the distance between two nodes in a SOLIDWORKS Simulation results plot using the Probe tool? A. Yes, for all parts. B. No. C. Yes, only strain plots. D. Yes, only for mesh and displacement plots.
A. Yes, for all parts.
9. In SOLIDWORKS Simulation, the Factor of Safety (FOS) calculations are based on one of the following failure criteria. A. Maximum von Mises Stress. B. Maximum shear stress (Tresca). C. Mohr-Coulomb stress. D. Maximum Normal stress.
All- A, B, C, and D. A. Maximum von Mises Stress. B. Maximum shear stress (Tresca). C. Mohr-Coulomb stress. D. Maximum Normal stress.
32. Yield strength is typically determined at ___ strain. A. 0.1% B. 0.2% C. 0.02% D. 0.002%
B. 0.2%
11. What are the Degrees of Freedom (DOFs) restrained for a Solid? A. None. B. 3 Translations. C. 3 Translations and 3 Rotations. D. 3 Rotations.
B. 3 Translations.
12. What are the Degrees of Freedom (DOFs) restrained for Truss joints? A. None. B. 3 Translations. C. 3 Translations and 3 Rotations. D. 3 Rotations.
B. 3 Translations.
48. Which statement best describes a Compatible mesh? A. A mesh where only one type of element is used B. A mesh where elements on touching bodies have overlaying nodes C. A mesh where only a Shell or Solid element is used D. A mesh where only a single Solid element is used
B. A mesh where elements on touching bodies have overlaying nodes
45. Set the scale factor for plots ___ to avoid any misinterpretation of the results, after performing a Static analysis with gap/contact elements. A. Equal to 0. B. Equal to 1. C. Less than 1. D. To the Maximum displacement value for the model.
B. Equal to 1.
37. A material is orthographic if its mechanical or thermal properties are not unique and independent in three mutually perpendicular directions. A. True. B. False
B. False
Improving the mesh refinement (using mesh control) of a stress concentration at a sharp edge will lead to mesh convergence. A. True B. False
B. False
38. An increase in the number of elements in a mesh for a part will: A. Decrease calculation accuracy and time B. Increase calculation accuracy and time C. Have no effect on the calculation. D. Change the FOS below 1.
B. Increase calculation accuracy and time
8. Linear static analysis assumes that the relationship between loads and the induced response is ___. A. Flat. B. Linear. C. Doubles per area. D. Translational.
B. Linear.
44. What criteria are best suited to check the failure of ductile materials in SOLIDWORKS Simulation? A. Maximum von Mises Strain and Maximum Shear Strain criterion. B. Maximum von Misses Stress and Maximum Shear Stress criterion. C. Maximum Mohr-Coulomb Stress and Maximum Mohr-Coulomb Shear Strain criterion. D. Mohr-Coulomb Stress and Maximum Normal Stress criterion
B. Maximum von Misses Stress and Maximum Shear Stress criterion.
62. Is axisymmetric the same as cyclic symmetry? A. Yes B. No
B. No
63. Can you perform a dynamic simulation using a static SOLIDWORKS Simulation study? A. Yes B. No
B. No
Is it possible to model breaking of a glass on the floor using linear Static analysis? A. Yes B. No
B. No
43. What SOLIDWORKS Simulation tool should you use to determine the result values at specific locations (nodes) in a model using SOLIDWORKS Simulation? A. Section tool B. Probe tool C. Clipping tool D. Surface tool
B. Probe tool
53. The structure displayed in the following illustration is best analyzed using: A. Shell elements. B. Solid elements. C. Beam Elements. D. A mixture of Beam and Shell elements.
B. Solid elements.
7. The Elastic Modulus (Young's Modulus) is the slope defined as ___ divided by ___. A. Strain, Stress. B. Stress, Strain. C. Stress, Force. D. Force, Area.
B. Stress, Strain.
86. Which of the following best describes the Ratio value the MeshControlPropertyManager when using Mesh control? Use Simulation help if needed. A. The maximum depth to which the mesh control affects the mesh size, expressed a fraction of the overall model size. B. The geometric growth ratio from one layer of elements to the next. C. The maximum ratio between the largest element and the smallest element in the entire model. D. The maximum ratio of the longest edge to the shortest edge of any element (i.e. maximum aspect ratio).
B. The geometric growth ratio from one layer of elements to the next.
1. What is the Modulus of Elasticity? A. The slope of the Deflection-Stress curve. B. The slope of the Stress-Strain curve in its linear section. C. The slope of the Force-Deflection curve in its linear section. D. The first inflection point of a Strain curve.
B. The slope of the Stress-Strain curve in its linear section.
23. The model (a rectangular plate) has a length to thickness ratio of less than 5. You extracted its mid-surface to use it in SOLIDWORKS Simulation. You should use a ___. A. Thin Shell element formulation. B. Thick Shell element formulation. C. Thick or Thin Shell element formulation, it does not matter. D. Beam Shell element formulation.
B. Thick Shell element formulation.
79. In a SOLIDWORKS linear static study; which is true about a "Distributed Mass" load? You can have more than a single answer. A. Moment effects due to mass are considered. Thus, the X, Y, and Z location of the mass needs to be specified. B. A "Distributed Mass" increases the stiffness of the face to which it is applied. C. It has to be used in conjunction with gravity or centrifugal load. D. The mass is assumed to be uniformly distributed on selected faces based on their areas.
C, D C. It has to be used in conjunction with gravity or centrifugal load. D. The mass is assumed to be uniformly distributed on selected faces based on their areas.
80. Which results are available for a Bolt connector in a SOLIDWORKS linear static study? A. Stresses B. Torque C. Axial forces D. Shear forces E. Bending Moments F. Calculated Factor of Safety
C, D, E, and F C. Axial forces D. Shear forces E. Bending Moments F. Calculated Factor of Safety
36. You are performing an analysis on your model. You select three faces and apply a force of 40lb. What is the total force applied to the model using SOLIDWORKS Simulation? A. 40lb B. 20lb C. 120lb D. Additional information is required.
C. 120lb
13. What are the Degrees of Freedom (DOFs) restrained for Shells and Beams? A. None. B. 3 Translations. C. 3 Translations and 3 Rotations. D. 3 Rotations.
C. 3 Translations and 3 Rotations.
15. A Beam element has ___ nodes (one at each end) with ___ degrees of freedom per node plus ___ node to definite the orientation of the beam cross section. A. 6, 3, 1. B. 3, 3, 1. C. 3, 6, 1. D. None of the above.
C. 3, 6, 1.
28. There are ___ DOFs restrained for a Beam element. A. 3 B. 1 C. 6 D. None
C. 6
5. A high quality Shell element has ___ nodes. A. 4 B. 5 C. 6 D. 8
C. 6
41. Apply a uniform total force of 200lb on two faces of a model. The two faces have different areas. How do you apply the load using SOLIDWORKS Simulation for a Linear Static Study? A. Select the two faces and input a normal to direction force of 200lb on each face. B. Select the two faces and a reference plane. Apply 100lb on each face. C. Apply equal force to the two faces. The force on each face is the total force divided by the total area of the two faces. D. None of the above.
C. Apply equal force to the two faces. The force on each face is the total force divided by the total area of the two faces.
68. Global size in the Mesh PropertyManager refers to the ___. A. Smallest elements size of the mesh. B. Largest element size of the mesh. C. Average element size of the mesh. D. None of the above.
C. Average element size of the mesh.
The structure displayed in the following illustration is best analyzed using: A. Shell elements B. Solid elements C. Beam elements D. A mixture of Beam and Shell elements
C. Beam Elements
51. The structure displayed in the following illustration is best analyzed using: A. Shell elements. B. Solid elements. C. Beam Elements. D. A mixture of Beam and Shell elements.
C. Beam Elements.
50. The structure displayed in the following illustration is best analyzed using: A. Shell elements. B. Solid elements. C. Beam elements. D. A mixture of Beam and Shell elements.
C. Beam elements.
Which of the following cases will the rope most likely break? A. Case 1: Two identical people in a tug-of-war pulling with equal force! B. Case 2: Two identical people pulling the rope around a fixed pole pulling with equal force! C. Both are the same.
C. Both are the same.
61. Where will the maximum stress be in the illustration? A. A B. B C. C D. D
C. C
29. What best describes the differences(s) between a Fixed and Immovable (No translation) boundary condition in SOLIDWORKS Simulation? A. There are no differences. B. There are no difference(s) for Shells but it is different for Solids. C. There is no difference(s) for Solids but it is different for Shells and Beams. D. There are only differences(s) for a Static Study
C. There is no difference(s) for Solids but it is different for Shells and Beams.
85. If you want to view a portion of stress values (range) on your model, which of the following would you do? A. Change the model and re-run the study. B. Create a section plot with two section clipping planes. The first plane could be the upper limit range. The second plane would be the lower limit range. C. Create an iso plot with two iso values. The first value could be the upper limit. The second value would be the lower limit. D. None of the above.
C. Create an iso plot with two iso values. The first value could be the upper limit. The second value would be the lower limit.
88. The cylindrical faces A are only allowed to rotate about their axis. What Fixture type would you apply to the cylindrical faces? A. Fixed. B. Roller/Slider. C. Fixed Hinge. D. On Spherical Face.
C. Fixed Hinge.
Which of the following is not an available connector type that can be added to a simulation study? A. Pin B. Bolt C. Hinge D. Spring
C. Hinge
10. The Yield point is the point where the material begins to deform at a faster rate than at the elastic limit. The material behaves ___ in the Plastic Range. A. Flatly. B. Linearly. C. Non-Linearly. D. Like a liquid.
C. Non-Linearly.
65. Various adaptive methods can be applied to improve the accuracy of the results. The p-method increases the ___ with each iteration. A. Number of elements. B. Meshing speed. C. Polynomial order. D. None of the above.
C. Polynomial order.
67. In SOLIDWORKS Simulation, how is a sheet metal part treated in a static study with uniform thickness? A. Solids. B. Beams. C. Shells. D. Mixed mesh.
C. Shells.
25. The Global element size parameter provides the ability to set the global average element size. SOLIDWORKS Simulation suggests a default value based on the model volume and ___ area. This option is only available for a standard mesh. A. Force. B. Pressure. C. Surface. D. None of the above.
C. Surface.
30. Can a non-uniform pressure or force be applied on a face using SOLIDWORKS Simulation? A. No. B. Yes, but variation must be along a single direction only. C. Yes. The variation can be in two directions and is described by a binomial equation. D. Yes, but the variation must be linear.
C. Yes. The variation can be in two directions and is described by a binomial equation.
31. You are performing an analysis on your model. You select five faces, 3 edges and 2 vertices and apply a force of 20lbf. What is the total force applied to the model using SOLIDWORKS Simulation? A. 100lbf B. 1600lbf C. 180lbf D. 200lbf
D. 200lbf
2. What is Stress? A. A measure of power. B. A measure of strain. C. A measure of material strength. D. A measure of the average amount of force exerted per unit area.
D. A measure of the average amount of force exerted per unit area.
47. SOLIDWORKS Simulation supports multi-body parts. Which of the following is a true statement? A. You can employ different mesh controls to each Solid body. B. You can classify Contact conditions between multiple Solid bodies. C. You can classify a different material for each Solid body. D. All of the above are correct.
D. All of the above are correct.
57. A force "F" applied in a static analysis produces a resultant displacement URES. If the force is now 2X and the mesh is not changed, then the resultant displacement URES will: A. Double if there are no contacts specified and there are large displacements in the structure. B. Be divided by 2 if contacts are specified C. The analysis must be run again to find out D. Double if there is no source of nonlinearity in the study (like contacts or large displacement options).
D. Double if there is no source of nonlinearity in the study (like contacts or large displacement options).
40. SOLIDWORKS Simulation calculates structural failure on: A. Buckling. B. Fatigue. C. Creep. D. Material Yield.
D. Material Yield.
35. What criteria are best suited to check the failure of brittle material in SOLIDWORKS Simulation? A. Maximum von Mises Stress and Maximum Shear Stress criteria. B. Maximum von Misses Stress and Maximum Shear Strain criteria. C. Maximum von Misses Stress and Maximum Normal Stress criteria. D. Mohr-Coulomb Stress and Maximum Normal Stress criteria.
D. Mohr-Coulomb Stress and Maximum Normal Stress criteria.
34. How many degrees of freedom does a physical structure have? A. Zero. B. Three - Rotations only. C. Three- Translations only. D. Six - Three translations and three rotational.
D. Six - Three translations and three rotational.
84. A force "F" applied in a static linear analysis produces a URES: Resultant Displacement. If you double the force and the mesh is not changed, then the URES: Resultant Displacement will: A. Be divided by 2, if contacts (Interactions) are specified. B. Double if there is no source of nonlinearity in the study (like contacts (Interactions) or large deployment options). C. Double if there are not contacts specified and there are large displacements in the structure. D. The analysis must be run again to find out.
D. The analysis must be run again to find out.
When defining a Bolt connector type, which of the following is not required to be defined? A. The diameter of the shank B. The bolt material C. The diameter of the head. D. The thread count.
D. The thread count
