DYT101 - Introduction To Dytran

Length:
2 Days
Pre-requisites :
Experience with a general-purpose finite element analysis application is recommended
Topics:
Day One
- Introduction
- Overview of Dytran capabilities
- Differences between Lagrangian and Eulerian technology
- Overview of contact and Euler/Lagrange coupling techniques
- Typical applications
- Explicit transient dynamic analysis
- Introduction to explicit solution techniques
- Explicit versus implicit technology
- When to use explicit technology
- Input definition
- Overview of the input file
- Input file formats and data generation
- File management system
- Executive control
- Case control
- Bulk data
- Running the analysis
- Modeling
- Description of the Dytran files
- Example input file
- Restarts and rezones
- Executing Dytran
- Postprocessing using the XDEXTR translator
- Workshop on using XDEXTR
- Basic concepts of Lagrange
- Theory
- Computational cycle
- User subroutine implementation
Day Two
- Lagrangian capabilities
- Element library
- Material models
- Loads and constraints
- User subroutines
- Workshop example on Lagrange
- Pre-stressing with MSC Nastran
- Concept of surfaces in Dytran
- Surface definition
- Defining segments
- Surface modeling
- Lagrangian Interaction Capabilities
- Contact
- Tied connections
- Kinematic connections
- Breakable connections
- Modeling techniques
- Mesh design
- Problem simplification
- Postprocessing
- Results interpretation
- Workshop example on Lagrangian interaction