User-Defined Materials in LS-DYNA®
Instructor
- Professor Al Tabiei
User-Defined Materials in LS-DYNA®
Syllabus
This is a short course on using the user-defined materials in LS-DYNA. This class will provide analysts with the additional tools and knowledge required to model and implement their own material model in LS-DYNA. Workshop examples illustrate the points made in the lectures and train you on how to use the code. The course will provide you with experience in running and trouble-shooting LS-DYNA UserMat analysis.
Content
- Outline
-
Introduction and Objective
- Subroutine Flow in the Fortran Files
- Introduction to Nonlinear Continuum Mechanics
- The Nonlinear Finite Element Dynamic Equation
- Material Constitutive Equations
- Steps Required in Writing a UserMat
-
User-Defined Material Subroutines: Elastic
- Elastic Material (shell and solid subroutines)
- Orthotropic Material
- Hyperelastic Material Subroutine
- Viscoelastic Material Subroutine
-
User-Defined Material Subroutines: Plastic
- Plasticity & the Radial Return Algorithm
- Elastic Plastic Material Subroutine
- Piecewise Plasticity Subroutine
- Strain Rate Depended Subroutine
-
Failure & User-Defined Subroutines
- Failed Element & Nodes
-
Implicit User-Defined Subroutines
- Elastic Isotropic Material
- Nonlinear Composite Material
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Other Applications in User-Defined Subroutines
- Temperature
- EOS
- References & Other Courses