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PAM-CRASH Material Failure and Damage Simulation

30 Chapters
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01
Introduction to PAM-CRASH for material failure and damage simulation
solver architecture, explicit dynamics workflow, and role in crashworthiness engineering.
PAM-CRASHmaterial
02
Material failure and damage fundamentals in PAM-CRASH
stress triaxiality, Lode parameter, fracture strain, and damage evolution variables.
MaterialPAM-CRASH
03
PAM-CRASH material model selection for failure simulation
elastic-plastic, Johnson-Cook, Gurson, and continuum damage mechanics options.
PAM-CRASHmaterial
04
Implementing Johnson-Cook damage in PAM-CRASH
parameter identification, card setup, and element deletion criteria.
ImplementingJohnson-Cook
05
Ductile damage modeling with Gurson-Tvergaard-Needleman (GTN) in PAM-CRASH
void growth, nucleation, and coalescence calibration.
modelingGurson-Tvergaard-Needleman
06
Continuum damage mechanics (CDM) in PAM-CRASH
Lemaitre and Rousselier models, damage coupling, and regularization.
Continuummechanics
07
Strain-rate dependent failure in PAM-CRASH
Cowper-Symonds, Johnson-Cook rate sensitivity, and high-speed crash loading.
Strain-ratedependent
08
Mesh dependency and regularization techniques in PAM-CRASH
nonlocal damage, gradient enhancement, and characteristic length control.
dependencyregularization
09
Element deletion and erosion in PAM-CRASH
criteria, thresholds, and avoiding non-physical results.
deletionPAM-CRASH
10
Cohesive zone modeling in PAM-CRASH for interface failure
delamination, adhesive joints, and traction-separation laws.
Cohesivemodeling
11
Spot weld and rivet failure simulation in PAM-CRASH
connector elements, failure criteria, and crash joint validation.
simulationPAM-CRASH
12
Composite material damage in PAM-CRASH
Hashin, Puck, and continuum damage models for CFRP crash structures.
Compositematerial
13
Thermoplastic and polymer failure in PAM-CRASH
pressure-dependent yield, crazing, and ductile-brittle transition.
ThermoplasticPAM-CRASH
14
Metallic sheet failure in PAM-CRASH
forming limit diagrams, shear fracture, and edge cracking under crash loads.
MetallicPAM-CRASH
15
Calibration of damage parameters from coupon tests in PAM-CRASH
tensile, shear, and biaxial specimen simulations.
Calibrationparameters
16
Validation of material failure models in PAM-CRASH
component-level tests, force-displacement correlation, and failure location.
Validationmaterial
17
Crash box and energy absorber simulation in PAM-CRASH
progressive folding, damage initiation, and mean crush force.
absorbersimulation
18
B-pillar and side impact failure simulation in PAM-CRASH
bending collapse, rupture prediction, and occupant protection.
B-pillarsimulation
19
Frontal impact rail failure in PAM-CRASH
axial crush, global bending, and mixed-mode damage.
PAM-CRASHmixed-mode
20
Battery pack enclosure failure in PAM-CRASH
intrusion, rupture, and thermal runaway risk assessment.
enclosurePAM-CRASH
21
Pedestrian protection and hood failure in PAM-CRASH
head impact, material fracture, and energy absorption.
Pedestrianprotection
22
Drop test and impact simulation of electronic devices in PAM-CRASH
solder joint failure, PCB damage, and strain-rate effects.
simulationelectronic
23
Blast and high-velocity impact failure in PAM-CRASH
shock waves, spallation, and adiabatic shear banding.
high-velocityPAM-CRASH
24
Fatigue and cyclic damage interaction in PAM-CRASH
damage accumulation, residual strength, and crash after fatigue.
interactionPAM-CRASH
25
Multi-material joint failure in PAM-CRASH
dissimilar material interfaces, adhesive bonding, and mechanical fasteners.
Multi-materialPAM-CRASH
26
Advanced regularization and damage localization in PAM-CRASH
phase-field damage, peridynamics, and meshless methods.
Advancedregularization
27
Machine learning and surrogate modeling for damage parameter calibration in PAM-CRASH
DOE, optimization, and uncertainty quantification.
surrogatemodeling
28
Coupling PAM-CRASH with other solvers for failure simulation
thermal-mechanical, fluid-structure interaction, and multi-physics.
CouplingPAM-CRASH
29
Best practices for material failure simulation in PAM-CRASH
model verification, mesh convergence, and solution stability.
practicesmaterial
30
Case study
full vehicle crashworthiness simulation with material failure in PAM-CRASH: model setup, validation, and design recommendations.
crashworthinesssimulation