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MADYMO Occupant Model Calibration and Validation

30 Chapters
View Course Samples Online
01
MADYMO occupant model calibration and validation
course scope, regulatory and consumer-test context, and the role of simulation in restraint system development.
MADYMOoccupant
02
MADYMO model architecture for occupants
dummy and human body model types, multibody and finite element formulations, and their calibration implications.
MADYMOarchitecture
03
Input data requirements for calibration
test measurements, accelerometer and load cell data, high-speed video, and coordinate system conventions.
requirementscalibration
04
Model initialization and boundary conditions
positioning, initial velocities, gravity, contact definitions, and their effect on repeatability.
initializationboundary
05
Material and joint parameter identification
stiffness, damping, friction, hysteresis, and rate-dependent behavior in MADYMO occupant models.
Materialparameter
06
Calibration metrics and objective functions
CORA, ISO/TS 18571, peak error, phase shift, and weighted multi-response scoring.
Calibrationobjective
07
Sensitivity analysis and parameter screening
Morris, Sobol, and one-factor-at-a-time methods applied to occupant model responses.
Sensitivityanalysis
08
Design of experiments for calibration
full factorial, Latin hypercube, and optimal custom designs for efficient parameter space exploration.
experimentscalibration
09
Optimization algorithms for MADYMO calibration
gradient-based, genetic algorithm, particle swarm, and surrogate-assisted optimization.
Optimizationalgorithms
10
Surrogate modeling and response surface methods
Kriging, polynomial regression, and neural networks for computationally expensive MADYMO simulations.
Surrogatemodeling
11
Calibrating a frontal impact Hybrid III 50th percentile dummy model
chest deflection, head acceleration, and femur force tuning.
CalibratingIII
12
Calibrating a side impact ES-2re dummy model
rib deflection, abdominal force, and pelvis acceleration correlation.
CalibratingES-2re
13
Calibrating a rear impact BioRID dummy model
neck force and moment, head restraint contact, and spinal alignment.
CalibratingBioRID
14
Calibrating the THOR dummy model
advanced ATD responses, face load, and thoracic deflection measurement correlation.
CalibratingTHOR
15
Calibrating a pedestrian human body model
leg impactor, upper leg, and head impact responses against EEVC WG17 and Euro NCAP tests.
Calibratingpedestrian
16
Calibrating a seated human body model for autonomous driving
posture, belt interaction, and low-severity loading.
Calibratingautonomous
17
Airbag and restraint system calibration in MADYMO
bag folding, inflator characteristics, venting, and interaction with the occupant model.
restraintcalibration
18
Seat belt model calibration
belt stiffness, slip, pretensioner, load limiter, and geometry update during deployment.
calibrationstiffness
19
Steering column and knee bolster calibration
energy absorption, contact stiffness, and intrusion effects on occupant response.
Steeringcalibration
20
Seat structure and foam calibration
static and dynamic compression, hysteresis, and occupant penetration in rear and frontal impacts.
structurecalibration
21
Validation against sled tests
pulse correlation, occupant kinematics, and restraint load timing for frontal and side sled conditions.
Validationcorrelation
22
Validation against full-scale vehicle crash tests
barrier and car-to-car scenarios, intrusion, and occupant response comparison.
Validationfull-scale
23
Validation against component tests
head drop, chest impact, and pelvis impact for dummy and human body models.
Validationcomponent
24
Uncertainty quantification and robustness
variability in material properties, friction, and positioning on validation confidence.
Uncertaintyquantification
25
Model verification and quality assurance
mesh quality, time step, energy balance, and numerical stability checks in MADYMO.
verificationassurance
26
Documentation and traceability
calibration log, parameter table, validation report, and version control for occupant models.
Documentationtraceability
27
Regulatory and consumer rating applications
FMVSS, ECE, Euro NCAP, and C-NCAP validation requirements for occupant models.
Regulatoryconsumer
28
Automated calibration workflows
scripting with MADYMO Python API, batch simulation, and integration with optimization tools.
Automatedcalibration
29
Case study
full frontal occupant model calibration and validation for a mid-size sedan with driver airbag and belt.
occupantcalibration
30
Case study
side impact occupant model calibration and validation for a battery electric vehicle with side airbag and curtain.
occupantcalibration