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Demonstration ~10 min · ~41 min remaining

CNCHECK and initial state

Gap, penetration, and open pairs before the first SOLVE.

Step 3 — CNCHECK and initial state

Open gap, closure, and interference
Figure 4. Three states: open gap, displacement-driven closure, and initial interference.
/SOLU
NLGEOM,ON
CNCHECK,AUTO

Read the .out file: minimum gap, reported penetration, and initially open or closed pairs.