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Challenge ~10 min · ~14 min remaining

Verifiable challenge

Change a region, predict the effect on the counters, and demonstrate passes=1.

Verifiable challenge

Open 02_challenge.mac. The length is now 1.2 m and the mesh size is 0.02 m.

  1. Create all five components without writing IDs.
  2. Use local system 11 to define tip_nodes.
  3. Build tip_top_nodes by intersection.
  4. Demonstrate that the ends do not overlap.
  5. Generate m02_selection_audit.csv with the same schema as the solution.

Acceptance criteria

  • All five components are non-empty.
  • n_overlap=0.
  • n_tip_top<n_tip and n_tip_top<n_top.
  • 0<n_mid_elems<n_elements.
  • n_restored=n_nodes.
  • The row of the CSV ends with passes=1.
  • No node or element ID appears in the selection instructions.
View complete module Download m02-kit.zip