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Side Impact Occupant-to-Door Clearance Development

30 Chapters
View Course Samples Online
01
Introduction to side impact occupant-to-door clearance
definitions, regulatory context, and development workflow overview.
occupant-to-doorclearance
02
Occupant packaging fundamentals
H-point, seating reference points, and door trim interface geometry.
Occupantpackaging
03
Side impact biomechanics
injury criteria, occupant kinematics, and clearance implications for protection.
biomechanicscriteria
04
Regulatory and consumer test requirements
FMVSS 214, IIHS side impact, Euro NCAP, and clearance-related evaluation.
Regulatoryconsumer
05
CAD-based clearance assessment
nominal gap measurement, tolerance stack-up, and digital mock-up review.
CAD-basedclearance
06
Occupant packaging tools
RAMSIS, CATIA human builder, and clearance zone definition in CAD.
Occupantpackaging
07
Door trim design for clearance
armrest, bolster, and map pocket geometry optimization.
clearancegeometry
08
Seat design factors affecting occupant-to-door clearance
cushion width, bolster height, and adjustment range.
affectingoccupant-to-door
09
Interior styling and clearance trade-offs
balancing aesthetics, ergonomics, and safety margins.
Interiorclearance
10
CAE modeling for side impact clearance
occupant FE models, door trim meshing, and contact definitions.
CAEmodeling
11
Dynamic clearance simulation
LS-DYNA setup for occupant-door interaction during side impact.
clearancesimulation
12
Clearance metrics in simulation
minimum gap tracking, intrusion velocity, and occupant displacement.
Clearancesimulation
13
Correlation of CAE with physical testing
sled tests, full-vehicle crash tests, and clearance measurement.
CorrelationCAE
14
Sled test setup for clearance evaluation
buck design, occupant positioning, and instrumentation.
clearanceevaluation
15
Full-vehicle side impact test
clearance measurement techniques, high-speed cameras, and post-test analysis.
Full-vehicleclearance
16
Occupant positioning and its effect on clearance
H-point variation, seat track position, and posture.
Occupantpositioning
17
Door intrusion and its impact on clearance
beam design, energy absorption, and deformation modes.
intrusionclearance
18
Clearance sensitivity analysis
parametric studies on door trim, seat, and occupant variables.
Clearancesensitivity
19
Design of experiments for clearance optimization
factors, responses, and statistical analysis.
experimentsclearance
20
Optimization methods for clearance
DOE, response surface, and multi-objective trade-offs.
Optimizationclearance
21
Robust design for clearance
accounting for manufacturing variation and tolerance effects.
clearanceaccounting
22
Material selection for door trim
energy absorption, stiffness, and clearance preservation.
Materialselection
23
Airbag and restraint interaction with clearance
side airbag deployment, occupant excursion, and gap effects.
restraintinteraction
24
Clearance requirements for different occupant sizes
5th percentile female to 95th percentile male.
Clearancerequirements
25
Child occupant and booster seat clearance considerations in side impact.
Child occupant and booster seat clearance considerations in side impact.
occupantclearance
26
Clearance evaluation for autonomous and unconventional seating configurations.
Clearance evaluation for autonomous and unconventional seating configurations.
Clearanceevaluation
27
Lightweighting and its impact on door intrusion and clearance
aluminum, composites, and hybrid structures.
Lightweightingintrusion
28
Case study
clearance issue root cause analysis and design resolution in a production program.
clearanceanalysis
29
Validation and sign-off process
clearance targets, CAE-test correlation, and production confirmation.
Validationsign-off
30
Future trends
virtual prototyping, advanced materials, and regulatory changes affecting clearance development.
prototypingadvanced