Solidworks Surface Modeling 4 — Questions and Answers
Question 1: Which SolidWorks command creates a surface by filling a closed boundary of edges or sketch segments?
- Fill Surface (Correct answer)
- Boundary Surface
- Planar Surface
- Offset Surface
Correct answer: Fill Surface
The Fill Surface command generates a patch surface that fills a closed loop of edges, curves, or sketch segments with optional curvature control.
Question 2: What does the 'Contact' constraint option do in the Fill Surface PropertyManager?
- Matches tangency from adjacent faces
- Merges the fill into a solid body
- Applies G0 continuity only along the boundary edges (Correct answer)
- Offsets the fill inward by a specified distance
Correct answer: Applies G0 continuity only along the boundary edges
The Contact constraint enforces G0 (positional) continuity, meaning the fill surface meets adjacent faces at the boundary without matching their tangent direction.
Question 3: When using Boundary Surface, what is the difference between Direction 1 and Direction 2 curves?
- Direction 1 sets the start/end edges; Direction 2 sets curvature
- Direction 1 curves run in one parametric direction; Direction 2 curves run perpendicular to them (Correct answer)
- Direction 1 controls UV rows; Direction 2 locks the surface normal
- Direction 1 must be sketch curves; Direction 2 must be model edges
Correct answer: Direction 1 curves run in one parametric direction; Direction 2 curves run perpendicular to them
Boundary Surface uses two sets of guide curves that cross each other; Direction 1 and Direction 2 define the two parametric families that control the shape of the resulting surface.
Question 4: Which option in the Loft Surface command prevents the lofted surface from twisting between profiles?
- Close Loft
- Centerline Parameters
- Guide Curves (Correct answer)
- Start/End Tangency
Correct answer: Guide Curves
Guide Curves constrain the loft path between profiles, preventing twisting and controlling the shape of the surface between cross-sections.
Question 5: What is the purpose of the 'Trim Surface' tool in SolidWorks?
- Removes material from a solid using a surface as the cutting tool
- Cuts one surface with another surface or sketch curve, removing the unwanted portion (Correct answer)
- Converts a trimmed surface back to its original untrimmed state
- Offsets a surface and trims it to a bounding box
Correct answer: Cuts one surface with another surface or sketch curve, removing the unwanted portion
Trim Surface uses intersecting surfaces or sketch curves to cut away selected regions of a surface, leaving only the desired portion.
Question 6: In SolidWorks surface modeling, what does 'Knit Surface' accomplish?
- Smooths zebra-stripe discontinuities between surfaces
- Combines multiple surface bodies into a single surface body (Correct answer)
- Converts a surface body directly into a solid body
- Applies a uniform thickness to a closed surface shell
Correct answer: Combines multiple surface bodies into a single surface body
Knit Surface merges two or more adjacent surface bodies into one unified surface body, optionally creating a solid if the result is fully closed.
Question 7: Which analysis tool in SolidWorks helps visualize surface curvature continuity using reflected stripes?
- Draft Analysis
- Curvature Combs
- Zebra Stripes (Correct answer)
- Deviation Analysis
Correct answer: Zebra Stripes
Zebra Stripes simulate a striped environment reflected on the surface, making tangency and curvature discontinuities immediately visible as breaks or kinks in the stripe pattern.
Solidworks Surface Modeling 4
Which SolidWorks command creates a surface by filling a closed boundary of edges or sketch segments?