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PAM-CRASH Composite Crashworthiness Simulation

30 Chapters
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01
Introduction to composite crashworthiness simulation
role of PAM-CRASH, explicit dynamics, and industry applications.
compositecrashworthiness
02
PAM-CRASH solver architecture and explicit time integration
stability, time step control, and mass scaling.
PAM-CRASHarchitecture
03
Composite material modeling fundamentals
orthotropic elasticity, lamina properties, and coordinate systems.
Compositematerial
04
Ply-by-ply shell modeling in PAM-CRASH
element types, layup definition, and integration points.
Ply-by-plymodeling
05
Solid and thick composite modeling
brick elements, cohesive zones, and delamination interfaces.
compositemodeling
06
Intralaminar damage models
Hashin, Puck, LaRC, and continuum damage mechanics in PAM-CRASH.
IntralaminarLaRC
07
Interlaminar damage and delamination
cohesive zone modeling, contact definitions, and VCCT.
Interlaminardelamination
08
Strain-rate effects in composites
dynamic material characterization and rate-dependent plasticity/damage.
Strain-ratecomposites
09
Failure criteria and element deletion
erosion, maximum strain, and energy-based criteria.
criteriadeletion
10
Contact and impact modeling
self-contact, eroding contact, and penalty stiffness in crash simulations.
modelingself-contact
11
Modeling of triggers and imperfections
geometric defects, ply drops, and stress concentrators.
Modelingtriggers
12
Energy absorption mechanisms in composite structures
crushing, fragmentation, and specific energy absorption.
absorptionmechanisms
13
Simulation of coupon-level tests
open-hole tension, compression after impact, and three-point bending.
Simulationcoupon-level
14
Calibration and validation of material models using experimental data
inverse methods and optimization.
Calibrationvalidation
15
Mesh convergence and quality for composite crash models
element size, aspect ratio, and hourglass control.
convergencecomposite
16
Modeling of bolted and bonded joints in composite crash structures
fastener modeling and failure.
Modelingcomposite
17
Simulation of composite tubes and crash boxes under axial crushing
trigger design and energy absorption.
Simulationcomposite
18
Simulation of composite structures under transverse impact
low-velocity impact and damage tolerance.
Simulationcomposite
19
High-velocity impact and penetration
ballistic limits, fragment modeling, and SPH coupling.
High-velocitypenetration
20
Bird strike and soft body impact on composite aerospace structures
SPH and ALE approaches.
compositeaerospace
21
Crash simulation of automotive composite components
front rails, bumpers, and battery enclosures.
simulationautomotive
22
Crashworthiness of composite aircraft structures
fuselage sections, wing boxes, and subfloor.
Crashworthinesscomposite
23
Simulation of composite energy absorbers for rail and wind energy applications.
Simulation of composite energy absorbers for rail and wind energy applications.
Simulationcomposite
24
Multi-model coupling in PAM-CRASH
shell-to-solid, submodeling, and global-local approaches.
Multi-modelcoupling
25
Sensitivity analysis and robustness evaluation in composite crash simulations.
Sensitivity analysis and robustness evaluation in composite crash simulations.
Sensitivityanalysis
26
Optimization of composite crash structures
ply stacking, thickness, and shape optimization.
Optimizationcomposite
27
Post-processing and validation metrics
correlation with test data, energy balance, and injury criteria.
Post-processingvalidation
28
Advanced material models
thermomechanical coupling, aging, and environmental effects.
Advancedmaterial
29
Integration of PAM-CRASH with CAD/CAE workflows
model setup, scripting, and automation.
IntegrationPAM-CRASH
30
Case study
full-scale composite vehicle crash simulation from model build to validation.
full-scalecomposite