VIP20
本课程属于：017-Advanced Automotive Airbag Modeling Engineering English Technical Courses · 共 20 门相关课程，组合学习更完整。
查看所属VIP全部课程 →
← 返回所属目录 咨询 / 购买

Airbag Contact Modeling and Stable CAE Simulation

30 Chapters
View Course Samples Online
01
Airbag deployment simulation landscape
occupant safety regulations, CAE role, and contact-driven failure modes.
deploymentsimulation
02
Airbag geometry and folding representation
CAD cleanup, mesh generation, and initial fold state mapping for contact.
geometryrepresentation
03
Material models for airbag fabrics
linear elastic, hyperelastic, and viscoelastic options with contact friction coupling.
Materialhyperelastic
04
Gas dynamics and inflator modeling
uniform pressure, CV, and particle methods for contact pressure prediction.
dynamicsinflator
05
Contact formulation fundamentals
penalty, Lagrange, and augmented Lagrangian methods for airbag fabric self-contact.
formulationLagrange
06
Self-contact detection in folded airbags
shell thickness, edge-to-edge, and node-to-surface algorithms.
Self-contactdetection
07
Airbag-to-occupant contact
dummy model positioning, contact stiffness, and penetration control.
Airbag-to-occupantpositioning
08
Airbag-to-steering wheel and instrument panel contact
rigid body interaction and mounting constraints.
Airbag-to-steeringinstrument
09
Time integration stability for explicit airbag simulation
critical time step, mass scaling, and energy balance.
integrationstability
10
Hourglass control and artificial damping in airbag contact simulations
avoiding non-physical energy.
Hourglassartificial
11
Contact damping and friction calibration
static and dynamic friction coefficients for fabric and occupant surfaces.
frictioncalibration
12
Airbag unfolding and deployment kinematics
contact-driven mesh distortion and remeshing triggers.
unfoldingdeployment
13
Vent hole and seam modeling
leakage, contact closure, and pressure loss effects on deployment.
modelingpressure
14
Airbag contact with sharp edges and penetrations
erosion, node release, and robustness strategies.
penetrationsrobustness
15
Occupant out-of-position (OOP) simulation
contact sequence, injury criteria, and stability challenges.
Occupantout-of-position
16
Airbag contact in side impacts
door trim, seat, and occupant interaction with curtain airbags.
occupantinteraction
17
Airbag contact in rollover
curtain airbag deployment and occupant excursion contact.
rolloverdeployment
18
Pedestrian airbag contact
bumper and hood interaction with leg and head impactors.
Pedestrianinteraction
19
Contact output requests and diagnostics
penetration, contact force, and energy error metrics.
requestsdiagnostics
20
Debugging unstable airbag contact
negative volume, excessive penetration, and time step collapse.
Debuggingunstable
21
Contact stabilization techniques
soft constraint, contact thickness offset, and dynamic relaxation.
stabilizationtechniques
22
Airbag contact with pre-stress and pre-inflation
initial state mapping and equilibrium checks.
pre-stresspre-inflation
23
Multi-chamber and adaptive airbag contact
chamber pressure coupling and contact load transfer.
Multi-chamberadaptive
24
Airbag contact in LS-DYNA
*CONTACT_AIRBAG_SINGLE_SURFACE and related keyword setup.
LS-DYNACONTACT
25
Airbag contact in PAM-CRASH and Radioss
solver-specific contact parameters and stability controls.
PAM-CRASHsolver-specific
26
Verification and validation of airbag contact models
component tests, sled tests, and full-scale validation.
Verificationvalidation
27
Sensitivity and uncertainty in airbag contact simulation
friction, permeability, and inflator variability.
Sensitivityuncertainty
28
Real-world case study
driver airbag OOP simulation with contact instability resolution.
Real-worldOOP
29
Real-world case study
side curtain airbag deployment with occupant contact and stable time integration.
Real-worlddeployment
30
Best practices and workflow automation
contact modeling checklist, solver settings, and quality assurance.
practicesworkflow