jovebird's blog

UMAT Code:

https://drive.google.com/file/d/0B8z7TOlNv4UGMzJjOTVjOTUtOTJjZi00NzAyLT…

For anyone who is interested in the UMAT. Thanks Google for making sharing so easy!

AN ABAQUS USER SUBROUTINE INCORPORATING ELASTIC-VISCOPLASTIC CONSTITUTIVE MODEL

https://drive.google.com/file/d/0B8z7TOlNv4UGYzEwNDI4NmMtY2I5OS00NTIyLT…

Here is a UMAT using an  elastic viscoplastic model for soil

Modifed Cam-clay model coupled with viscosity.

ABAQUS - UMAT (Free Download for Research Purposes)

A user-defined subroutine in ABAQUS for viscous soils.

Introduction:

The ABAQUS subroutine is for viscous soils, which
usually have the following characteristics.