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UMAT made easy

What you will learn

What is a UMAT subroutine?

How to get started with using or writing a UMAT subroutine?

UMAT structure and variables involved

A three dimensional elastic material constitutive model implementation


This course is for researchers, students and engineers who would like to understand, develop and implement new material constitutive models in ABAQUS software through UMAT subroutine. It is expected that you know how to create FE models in ABAQUS CAE and are also aware of continuum mechanics theory.

You will learn about the following:

· What is a UMAT subroutine?

· How to get started with using or writing a UMAT subroutine?

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· UMAT structure and variables

· A simple linear elastic material model example

Finally a simple linear elastic model will be used in three dimensions to implement in UMAT subroutine.

As part of this course, a couple of complimentary FEA quizzes are included to give you an opportunity to know about the level of FEA knowledge you may have. This will also help you select appropriate courses which may improve and enhance your FEA knowledge by taking new courses developed by 3MEC.

I hope you will enjoy this short course and learn about it. You may suggest what you would like to see in the advanced level course of UMAT and I will definitely include them in the upcoming courses.

Thanks again for looking into this course and hope to serve you better in future.




Introduction to ABAQUS Solver

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ABAQUS Solver with Builtin Material Model

ABAQUS Solver with User Defined Material Model

Understanding UMAT Structure, Variables and Parameters

UMAT Structure and Variables

3D Linear Elastic Material Model – Theory

Linear Elastic Material Constitutive Model

Model Implementation in UMAT

UMAT for Linear Elastic Material Model in 3D

Final Summary / Remarks

Verification of the UMAT

Self contained recording of all the lectures

Recording of all lectures

Complimentary Quiz 1: Test your FEA Knowledge part 1

Complimentary Quiz 2: Test your FEA Knowledge part 2