Tetrahedral 4-node C1-continuous finite element for Abaqus
element_formulation_deg3.nb and element_formulation_deg5.nb export the element matrices to determine the polynomial coefficients from the DOF and to to evaluate the shape functions, see the files code20.txt and code56.txtnumerical_integration.nb tests the numerical integration scheme and exports the integration point coordiantes and weights, see the file 29GP.txttxt files needs to be copy-pasted to the user element Fortran file.Continue here: 3. Fortran UEL