Submitted by luisavilesm on Tue, 10/25/2011 - 14:23 hi, someone know how run abaqus models using user subroutines, I can run one umat with one model, but i need to run two umats in an unique model in a simple step..Thanks for you help!! Luis. Forums Ask iMechanica Free Tags Fortran User subroutines in ABAQUS UMAT Log in or register to post comments3472 views