Composites Analysis Training
Discussion of the composite structures analysis capabilities in
Nastran. Topics include orthotropic and anisotropic material types.
Discussions include the use of 2-D laminate elements, and the construction
of 3-D solid models.
Prerequisites: Basic Femap and Nastran
Length: 2 Days
Class Schedule
Day 1
- Review of classical laminate theory
- NEi Nastran composite capabilities
- Femap material and ply creation
- Simple plate model setup and investigation
- Ply and laminate stiffness assessment
- Review of failure theories
- Composite results checking and visualization
Day 2
- Complex structures, modeling to outer or inner mold lines
- Controlling a complex ply orientation
- Introduction to optimal layup design
- Sandwich panel analysis idealization methods
- Local sandwich panel failure modes – Dimpling, Crimping, Wrinkling
- Joints and inserts
- Introduction to 3D layered solid composites
- Buckling of composites
- Dynamic analysis of composites
- Progressive Ply Failure Analysis (PPFA™)
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