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Airbag Contact Force Testing and CAE Correlation

30 Chapters
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01
Airbag contact force testing and CAE correlation
course scope, engineering relevance, and key terminology.
CAEcorrelation
02
Occupant restraint system fundamentals
airbag types, deployment stages, and contact force metrics.
Occupantrestraint
03
Contact force measurement principles
load cells, pressure sensors, and accelerometer-based estimation.
measurementprinciples
04
Sensor selection and placement for airbag contact force testing
range, sensitivity, and mounting effects.
selectionplacement
05
Data acquisition systems for dynamic airbag tests
sampling rate, anti-aliasing filters, and trigger synchronization.
acquisitionsampling
06
Test setup for driver airbag contact force measurement
steering wheel fixture, dummy positioning, and environmental control.
measurementsteering
07
Passenger airbag contact force testing
dashboard integration, out-of-position scenarios, and instrumentation challenges.
Passengerdashboard
08
Side airbag contact force testing
seat-mounted and curtain airbags, door trim interaction, and sensor packaging.
seat-mountedinteraction
09
Pedestrian airbag contact force testing
bumper and hood mounting, impactor alignment, and force thresholds.
Pedestrianmounting
10
Calibration and validation of contact force measurement chains
static and dynamic calibration methods.
Calibrationvalidation
11
Signal processing for airbag contact force data
filtering, drift correction, and peak force extraction.
processingfiltering
12
Uncertainty analysis in airbag contact force testing
sources, propagation, and reporting.
Uncertaintyanalysis
13
CAE modeling of airbag deployment
uniform pressure, corpuscular particle, and ALE methods.
CAEmodeling
14
Contact force prediction in CAE
penalty contact, soft constraint, and force output requests.
predictionCAE
15
Material models for airbag fabrics and inflators
constitutive laws and validation data.
Materialinflators
16
Occupant dummy modeling for contact force correlation
rigid body, FE, and hybrid approaches.
Occupantmodeling
17
Correlation metrics for contact force signals
peak force, impulse, timing, and shape comparison.
Correlationcomparison
18
Sensitivity analysis and design of experiments for airbag contact force correlation.
Sensitivity analysis and design of experiments for airbag contact force correlation.
Sensitivityanalysis
19
Case study
driver airbag out-of-position contact force correlation and model updating.
out-of-positioncorrelation
20
Case study
passenger airbag deployment against a rigid wall and force correlation.
passengerdeployment
21
Case study
side airbag contact force correlation with seat and door trim interactions.
correlationinteractions
22
Case study
pedestrian airbag contact force correlation with legform and headform impactors.
pedestriancorrelation
23
Model validation and verification (V&V) for airbag contact force CAE
ASME V&V 20 and ISO standards.
validationverification
24
Best practices for test-CAE correlation workflow
data management, version control, and reporting.
practicestest-CAE
25
Advanced topics
fluid-structure interaction in airbag deployment and contact force prediction.
Advancedfluid-structure
26
Advanced topics
machine learning for surrogate modeling of airbag contact force.
Advancedsurrogate
27
Regulatory and consumer rating requirements
FMVSS, ECE, Euro NCAP, and China NCAP.
Regulatoryconsumer
28
Practical engineering tasks
designing a contact force test matrix for a new airbag module.
designing
29
Practical engineering tasks
building and correlating a CAE model for a side airbag contact force test.
buildingcorrelating
30
Course synthesis
integrating testing and CAE for robust airbag contact force design.
synthesisintegrating