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Challenge ~4 min · ~10 min remaining

Summary and evidence

Keep the study CSV, topology, and applied decision criterion.

Evidence of learning

  • m04_mesh_study.csv with three cases.
  • Topological counts coincident with divisions.
  • Summary SHPP and n_shape_bad=0.
  • A graph of |uy_tip| versus the number of elements.
  • The selected mesh and a justification based on cost and variation.
  • The diagnosis of the five defects.

Exit checklist

  • ☐ My three cases only differ in the discretization.
  • ☐ The divisions are obtained from parameters and not from IDs.
  • ☐ The real topology matches the expected one.
  • ☐ TYPE, MAT and form approve before solving.
  • ☐ The total load and the measurement point remain constant.
  • ☐ Each change uses the next finer mesh as its reference.
  • ☐ I accept selected_case=0 as a valid conclusion.
  • ☐ I do not use the singular stress of the fixed support as a criterion.

Technical traceability

The lesson uses Modeling and Meshing Guide for the mapped strategy; Command Reference 2024 R1 for ESIZE, LESIZE, MSHAPE, MSHKEY, SHPP, CHECK and VCLEAR; and Element Reference for SOLID185.

Next step: M05

The test case has kept its boundary conditions constant. In M05 we will stop treating them as a preconfigured black box: we will translate the physical diagram into constraints and loads, and audit their resultant before solving.