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All 4 Flashcards — Testing with CAD
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Question
Surface model vs solid model?
Answer
A surface model defines the outer skin only, used for complex curved styling. A solid model defines the whole volume, so it has mass, a centre of gravity and material properties, and can be analysed or manufactured.
Question
What is generative design?
Answer
The designer supplies constraints — loads, fixings, material, allowed space — and the software produces geometries that meet them, often shapes a designer would not have drawn.
Question
What does finite element analysis (FEA) do?
Answer
Divides a part into many small elements and predicts stress, deflection and where it will fail under a stated load, before anything is manufactured.
Question
What do digital humans, VR/AR and haptics have in common?
Answer
All three simulate USE rather than form or strength: reach and clearance, being inside the design at full size, and force feedback on a virtual control.
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Topic 2.2 hub
Prototyping techniques
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