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Mental model ~5 min · ~69 min remaining

Contact pair

CONTA174 vs. TARGE170, normals, CNCHECK, and friction reserved for the challenge.

Mental model — Contact pair

3D blocks with CONTA174 and TARGE170
Figure 1. Target surface on the lower block; contact on the upper block; normal pointing toward the gap.
  • Contact: CONTA174 — surface that may penetrate the target.
  • Target: TARGE170 — reference surface.
  • Initial state: CNCHECK reports gaps, penetration, and open/closed pairs.
  • Frictionless: KEYOPT,2,12,0 in the base deliverable.
Quick check

Which element belongs on the bottom face of the upper block?

View complete module Download m11-kit.zip