Complete Abaqus/Standard package for single pass welding simulation of ASTM-36 steel plate. Includes CAE model and DFLUX subroutine implementing the Goldak double ellipsoid volumetric heat source. Pre-configured for straight weld along +Z, source centered on top surface. Ideal for residual stress, distortion, and thermal analysis of thin-section structural steel welds. Ready-to-run with fully parameterized inputs.