Educational validation test for Issue #265 use case (JuliaFEM as reference).
Covers:
- Element creation and connectivity
- Field assignment (geometry, material properties)
- Field retrieval with function call syntax
- Hand-calculated constitutive matrix for plane stress
- Geometry validation (dimensions, center, area)
- Material property validation (physical ranges)
Note: Defers stiffness matrix assembly to future work due to current
Quad4 assembly issues. Focus is on element setup validation that
other FEM developers can use as reference.
Tutorial series now: 107/107 tests passing
- Tutorial 1: Creating elements (5 tests)
- Tutorial 2: Gmsh mesh reading (72 tests)
- Tutorial 4: 1-element validation (35 tests - done before Tutorial 3)
Jukka Aho