Fixed-corotated Kirchhoff stress τ = 2μ(F − R)Fᵀ + λ(J − 1)J·I with R the rotation of F (polar decomposition through the SVD) and μ, λ hardened by Jp. Column-major scalars, on any MPMOps.
Fixed-corotated Kirchhoff stress τ = 2μ(F − R)Fᵀ + λ(J − 1)J·I with R the rotation of F (polar decomposition through the SVD) and μ, λ hardened by Jp. Column-major scalars, on any MPMOps.