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MADYMO Side Impact Occupant Safety Simulation

30 Chapters
View Course Samples Online
01
Side impact occupant safety simulation with MADYMO
course scope, regulatory and consumer-test context, and end-to-end workflow.
occupantsimulation
02
MADYMO solver architecture for side impact
multi-body, finite element, and coupled formulations, time integration, and contact algorithms.
MADYMOarchitecture
03
Side impact loading mechanisms
door intrusion, B-pillar and sill kinematics, occupant excursion, and injury pathways to head, thorax, abdomen, and pelvis.
mechanismsintrusion
04
Injury criteria and targets for side impact
HIC, chest deflection, rib fracture metrics, abdominal pressure, pelvic force, and Euro NCAP and FMVSS 214 thresholds.
criteriaHIC
05
Building a side impact MADYMO model
vehicle body, door trim, seat, restraint, and occupant subsystem assembly in the MADYMO environment.
BuildingMADYMO
06
Occupant model selection and positioning
MADYMO ellipsoid, facet, and FE human body models, sitting posture, and pre-impact positioning for side impact.
Occupantselection
07
Side impact barrier and moving deformable barrier setup
MDB geometry, mass, stiffness, impact angle, and velocity definition in MADYMO.
deformableMDB
08
Seat and interior contact modeling
seat cushion, backrest, armrest, door panel, and trim material properties for side impact contact.
interiormodeling
09
Side airbag and curtain airbag modeling
inflator characteristics, fabric FE meshes, gas flow, deployment timing, and contact interaction.
modelinginflator
10
Seat belt and pretensioner modeling for side impact
belt routing, slip, load limiter, pretensioner, and anchor point definition.
pretensionermodeling
11
Material and constitutive models for side impact
foams, plastics, steel, aluminum, and strain-rate effects in MADYMO FE and multi-body components.
Materialconstitutive
12
Contact definition and friction in side impact simulation
contact pairs, penetration control, friction coefficients, and energy balance checks.
definitionfriction
13
Boundary conditions and initial conditions
vehicle velocity, occupant initial kinematics, gravity, and prescribed motion for side impact scenarios.
Boundaryconditions
14
Simulation control parameters
time step, output frequency, solver tolerances, and stability settings for side impact MADYMO runs.
Simulationparameters
15
Running a baseline side impact simulation
model check, job submission, solver monitoring, and initial result inspection.
baselinesimulation
16
Post-processing occupant kinematics
trajectory, head excursion, thorax deflection, pelvis displacement, and interaction with interior surfaces.
Post-processingoccupant
17
Post-processing injury metrics
calculating HIC, chest deflection, abdominal pressure, pelvic force, and comparing against targets.
Post-processingcalculating
18
Energy analysis in side impact
kinetic energy, internal energy, contact energy, hourglass energy, and validation of simulation fidelity.
analysisinternal
19
Correlation with physical side impact tests
sled and full-scale test data, sensor matching, and model updating using MADYMO.
Correlationphysical
20
Parametric study of door intrusion velocity and its effect on occupant injury response in MADYMO side impact models.
Parametric study of door intrusion velocity and its effect on occupant injury response in MADYMO side impact models.
Parametricintrusion
21
Parametric study of side airbag and curtain airbag timing, pressure, and coverage on head and thorax injury metrics.
Parametric study of side airbag and curtain airbag timing, pressure, and coverage on head and thorax injury metrics.
Parametricpressure
22
Parametric study of seat belt and pretensioner parameters on occupant restraint and injury outcomes in side impact.
Parametric study of seat belt and pretensioner parameters on occupant restraint and injury outcomes in side impact.
Parametricpretensioner
23
Optimization of side restraint system using MADYMO
design variables, constraints, objective functions, and DOE methods.
Optimizationrestraint
24
Robustness and sensitivity analysis for side impact occupant safety
variation of impact conditions, occupant size, and material properties.
Robustnesssensitivity
25
Occupant size and posture variation
MADYMO scaling, obese and small occupant models, and out-of-position scenarios for side impact.
Occupantvariation
26
Advanced side impact scenarios
pole impact, vehicle-to-vehicle side impact, and far-side occupant protection in MADYMO.
Advancedscenarios
27
Coupling MADYMO with vehicle crash models
co-simulation with LS-DYNA or PAM-CRASH for door and body structure deformation.
CouplingMADYMO
28
Validation and verification of MADYMO side impact models
mesh convergence, time step sensitivity, and comparison with test corridors.
Validationverification
29
Automation and scripting in MADYMO for side impact
Python and MADYMO XML interfaces, batch runs, and result extraction.
Automationscripting
30
Case study
full side impact occupant safety simulation project from model setup to injury assessment and design recommendations.
occupantsimulation