2 Commits

Author	SHA1	Message	Date
Jukka Aho	ddb00eda0c	fix(physics): update deformation_gradient to use coords field ... Update compute_deformation_gradient to use coords field instead of ξ field from QuadraturePoint, matching the API change.	2025-12-12 23:44:48 +02:00
Jukka Aho	628b902bf5	feat(physics): Add deformation gradient computation with strain formulations ... New file src/physics/deformation_gradient.jl: - compute_deformation_gradient() computes F = I + ∇u at integration points - StrainFormulation types: FiniteStrain() and SmallStrain() - Uses Tensors.jl for all tensor operations (Vec, Tensor) - Zero-allocation design with @inline functions - GPU-ready immutable operations - Comprehensive mathematical documentation with references - 243 lines including commented high-level API for future integration	2025-11-12 00:56:40 +02:00