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PAM-CRASH Weld Failure and Body Crash Simulation

30 Chapters
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01
Course overview
scope, weld failure phenomena in body crash simulation, and the role of PAM-CRASH in automotive safety engineering.
phenomenasimulation
02
Fundamentals of spot weld modeling in PAM-CRASH
weld element types, connector formulations, and mesh dependency considerations.
modelingPAM-CRASH
03
Material characterization for weld failure
base metal, heat-affected zone, and weld nugget properties under crash loading.
Materialcharacterization
04
Weld failure criteria in PAM-CRASH
force-based, stress-based, and strain-based approaches with practical selection guidance.
criteriaPAM-CRASH
05
Building a validated spot weld model
calibration against lap-shear and coach-peel coupon tests in PAM-CRASH.
Buildingvalidated
06
Modeling weld failure under combined loading
normal, shear, and moment interactions for body crash events.
Modelingcombined
07
Strain-rate effects on weld failure
incorporating dynamic material data and rate-dependent failure criteria in PAM-CRASH.
Strain-rateincorporating
08
Weld failure in high-strength steel and aluminum joints
material-specific challenges and modeling strategies.
high-strengthaluminum
09
Mesh size sensitivity and regularization techniques for weld failure simulation in full-vehicle crash models.
Mesh size sensitivity and regularization techniques for weld failure simulation in full-vehicle crash models.
sensitivityregularization
10
Modeling adhesive bonding and weld-bonded joints
failure interaction and progressive damage in PAM-CRASH.
Modelingadhesive
11
Weld failure in tailor-welded blanks and patchwork blanks
thickness transitions and property gradients.
tailor-weldedpatchwork
12
Front crash simulation with weld failure
modeling the frontal impact event and interpreting weld rupture patterns.
simulationmodeling
13
Side impact simulation with weld failure
B-pillar, door beam, and rocker panel weld integrity assessment.
simulationB-pillar
14
Rear crash and roof crush simulation
weld failure effects on structural collapse and occupant safety.
simulationstructural
15
Weld failure in battery electric vehicle body structures
protecting battery enclosures under crash loads.
electricstructures
16
Modeling weld failure in hydroformed and tubular body components
tube splitting and joint separation.
Modelinghydroformed
17
Weld failure in multi-material body-in-white
steel-aluminum and dissimilar joining simulation in PAM-CRASH.
multi-materialbody-in-white
18
Spot weld failure in high-speed tension and shear
dynamic coupon test simulation and validation.
high-speedsimulation
19
Weld failure under impact fatigue and repeated loading
cumulative damage approaches in PAM-CRASH.
repeatedcumulative
20
Modeling laser welds and continuous joints
failure initiation and propagation in body crash simulation.
Modelingcontinuous
21
Weld failure in hot-stamped and press-hardened steel components
modeling the softened zone and failure.
hot-stampedpress-hardened
22
Weld failure in cast aluminum and magnesium nodes
porosity effects and local ductility in crash simulation.
aluminummagnesium
23
Weld failure in suspension and chassis attachment points
load transfer and joint integrity under crash.
suspensionattachment
24
Weld failure in door latch and hinge areas
local stiffness effects on occupant compartment integrity.
stiffnessoccupant
25
Weld failure in seat and restraint anchorage
simulation of pull-out and rupture under crash loads.
restraintanchorage
26
Weld failure in fuel system and high-voltage components
safety-critical joint assessment in PAM-CRASH.
high-voltagecomponents
27
Weld failure in pedestrian protection structures
hood, fender, and bumper joint behavior under impact.
pedestrianprotection
28
Weld failure in rollover and roof strength simulation
joint ductility and collapse mechanisms.
rolloverstrength
29
Weld failure in small overlap and oblique crash modes
asymmetric loading and joint failure sequences.
asymmetricsequences
30
Best practices for weld failure simulation in PAM-CRASH
model setup, validation, documentation, and engineering workflow integration.
practicessimulation