forked from 1b-agent/fieldcraft-upstream
jyvikoandClaude Opus 5.5
6d9452ad84
The oracle binary (modelcraft-testkit) runs each case's recipe through the command engine, measures its quantities by JSON pointers into step outputs or commands, compares them with the cited references and the frozen fixtures, and writes docs/oracle.md. 20 theory cases (patch tests of every solid element, Timoshenko cantilevers, Lame, Kirsch, beam frequencies, torsion and bending through couplings, explicit waves and impact, CDT invariants), 8 published benchmarks (MacNeal-Harder patch, straight and curved cantilevers, thick cylinder, Scordelis-Lo with solids, NAFEMS LE1, LE10, FV32) and 10 pending cases with citations. Co-Authored-By: Claude Opus 5.5 <[email protected]> Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm
461 B
461 B
NAFEMS FV32 cantilevered tapered membrane, free vibration (hex20 plane stress layer)
Our model of the published problem: a membrane 10 m long tapering symmetrically from 5 m at the clamped edge to 1 m at the free end, 0.05 m thick, E = 200 GPa, ν = 0.3, ρ = 8000 kg/m³; u_x = u_y = 0 on the root. In-plane (plane stress) vibration is modelled by half the thickness of hex20 elements (16 × 8 × 1) with u_z = 0 on the mid-surface and the other face free.