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MADYMO Sled Test Reconstruction and CAE Correlation

30 Chapters
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01
Sled test reconstruction and CAE correlation in MADYMO
course scope, engineering objectives, and workflow overview.
reconstructionCAE
02
Sled test fundamentals
pulse generation, boundary conditions, instrumentation, and data acquisition relevant to MADYMO reconstruction.
generationboundary
03
MADYMO modeling environment
solver architecture, input decks, units, coordinate systems, and file organization for sled simulations.
MADYMOmodeling
04
Multibody and finite element formulations in MADYMO
selecting body types, joints, and contact models for sled test representation.
Multibodyformulations
05
Dummy models in MADYMO
available ATDs, validation status, positioning, and initialization for sled reconstruction.
MADYMOavailable
06
Seat and restraint system modeling
geometry simplification, belt routing, retractor, pretensioner, and load limiter representation.
restraintmodeling
07
Sled rig and fixture modeling
representing the buck, mounting points, and boundary constraints to match physical test setup.
modelingrepresenting
08
Pulse input application
acceleration, velocity, or displacement-driven sled pulses and their implementation in MADYMO.
applicationacceleration
09
Contact and interaction definitions
dummy-to-seat, dummy-to-belt, dummy-to-airbag, and self-contact modeling strategies.
interactiondefinitions
10
Airbag modeling for sled correlation
folding, inflator characteristics, gas flow, and deployment timing in MADYMO.
modelingcorrelation
11
Material and property calibration
foams, plastics, fabrics, and belts using test data for sled correlation fidelity.
Materialproperty
12
Pre-simulation checks
model integrity, mass distribution, initial kinematics, and solver stability settings.
Pre-simulationintegrity
13
Running MADYMO sled simulations
solver selection, time step control, output requests, and restart strategies.
MADYMOsimulations
14
Post-processing sled results
extracting dummy kinematics, belt forces, accelerations, and injury criteria from MADYMO output.
Post-processingextracting
15
Test data processing for correlation
filtering, resampling, and aligning sled test measurements with simulation time base.
processingcorrelation
16
Objective rating methods for CAE correlation
CORA, ISO/TS 18571, and other metrics applied to sled test signals.
ObjectiveCAE
17
Correlation of sled pulse and buck response
comparing acceleration, velocity, and displacement histories.
Correlationresponse
18
Correlation of dummy kinematics
head, chest, pelvis, and extremity trajectories against sled test video and sensor data.
Correlationkinematics
19
Correlation of restraint loads
belt forces, anchor loads, and airbag pressure versus test measurements.
Correlationrestraint
20
Correlation of injury criteria
HIC, chest deflection, femur loads, and other metrics from simulation and test.
Correlationcriteria
21
Sensitivity analysis and parameter identification
DOE, optimization, and stochastic methods for improving sled correlation.
Sensitivityanalysis
22
Sources of uncertainty in sled reconstruction
test variability, model simplifications, and measurement errors.
uncertaintyreconstruction
23
Model updating strategies
manual tuning, automated calibration, and hybrid approaches for MADYMO sled models.
updatingstrategies
24
Validation and verification practices
establishing credibility of MADYMO sled models for engineering decisions.
Validationverification
25
Case study
frontal sled test reconstruction with driver airbag and belt system correlation.
reconstructioncorrelation
26
Case study
side sled test reconstruction with side airbag and door trim interaction correlation.
reconstructioninteraction
27
Case study
rear seat occupant sled reconstruction with belt and child restraint system correlation.
occupantreconstruction
28
Case study
far-side sled test reconstruction and CAE correlation challenges in MADYMO.
far-sidereconstruction
29
Automation and scripting in MADYMO
Python, MADYMO XML, and batch processing for sled correlation workflows.
Automationscripting
30
Reporting and documentation
presenting sled reconstruction results, correlation metrics, and engineering recommendations.
Reportingdocumentation