Low Velocity Impact on FRP composite plate in LS-Dyna
Low-Velocity Impact FRP Laminate with LS-Dyna
Low-Velocity Impact FRP Laminate with LS-Dyna: In order to effectively describe the progressively intralaminar and interlaminar (delamination) damage for composite laminates, a three-dimensional progressive damage model for composite laminates is defined. it is used for low-velocity impact in LS-Dyna.
It is based on continuum damage mechanics (CDM) and is implemented in the LS-Dyna with Chang-Chang material model (*MAT_054). The nonlinear damage model can be used to analyze the dynamic performance of the composite structure and its failure behavior.
For the interlaminar damage, 3D cohesive elements with *MAT_138 material model are used. FEA model is validated by well-known paper (Guo et al. 2013) and can be used in any simulations.
What you learn in Low-Velocity Impact FRP:
In this training course, you will learn the *MAT_054 composite material model & *MAT_138 cohesive material model in LS-Dyna and determine their parameters. How to model the damage in the composites, its damage modes, selecting the appropriate element in accordance with the analysis, orientation of composite modeling, contacts, and many other more techniques.
Overview of the course Low-Velocity Impact FRP Laminate
- Geometry modeling
- Composite materials models in LS-Dyna
- *MAT_COHESIVE_MIXED_MODE material model(*MAT_138)
- Define cohesive damage parameters
- Mechanical and damage properties of Composites
- Composite damage modes
- Cohesive damage modes
- Element selection
- Rigid Elements
- Boundary conditions (BC)
- Visualization Techniques (Image, Movie, Plots, &, etc)
- Simulation of low-velocity impact on FRP composite laminate
- Validated By Guo et al. paper (Contact force, delamination & cracking damage)
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