NAS103 - MSC Nastran Nonlinear Analysis

Length:
4 Days
Pre-requisites :
A working knowledge of linear static analysis as covered in NAS101. Experience with dynamic analysis and superelement analysis is recommended
Topics:
Day One
- Introduction
- Nonlinear static analysis strategies
- Newton-Raphson method
- Advancing schemes
- Stiffness update schemes
- Line search
- Convergence and divergence
- Restarts
Day Two
- Geometric nonlinear analysis
- Large rotations
- Follower forces
- Linear and nonlinear buckling analysis
Day Three
- Material types
- Nonlinear elastic
- Hyperelastic (Green elastic)
- Elastoplastic
- Creep
- Temperature dependent
- Nonlinear elements
- Small strain elements
- Large strain elements
- Contact (interface) elements
- Gap
- Slideline
Day Four
- Nonlinear transient analysis
- Integration schemes
- Mass, damping, and load specification
- Restarts
- Superelements
- Special topics
- Nonlinear modal analysis
- Composite elements