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本课程属于：030-Occupant Injury Diagnostics & Restraint Engineering English Technical Courses · 共 20 门相关课程，组合学习更完整。

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VTC Load Case and Occupant Position Injury Evaluation

30 Chapters

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VTC load case fundamentals

definition of VTC, load case taxonomy, and role in occupant safety evaluation.

Occupant position classification

standard seating positions, out-of-position (OOP) scenarios, and relevance to injury outcomes.

Occupantposition

Regulatory and consumer rating frameworks

FMVSS, ECE, Euro NCAP, and IIHS requirements for VTC and occupant position testing.

Regulatoryconsumer

Injury criteria and biomechanical metrics

HIC, chest deflection, Nij, femur force, and their thresholds in VTC evaluation.

criteriabiomechanical

Load case development from accident data

real-world crash analysis, event data recorders, and derivation of representative VTC pulses.

developmentaccident

Sled test setup for VTC simulation

sled pulse generation, buck configuration, and instrumentation for occupant position studies.

Occupant positioning tools

H-point measurement, seat track position, and use of positioning fixtures for repeatable tests.

Occupantpositioning

ATD selection and calibration for VTC tests

Hybrid III, THOR, and Q-series dummies; calibration tolerances and sensitivity.

Finite element occupant modeling

mesh generation, material models, and validation against sled tests for VTC load cases.

occupantmodeling

Coupling occupant models with vehicle structure

seat, restraint, and interior models in LS-DYNA for VTC simulation.

Couplingoccupant

Restraint system performance in VTC

airbag timing, seatbelt load limiters, pretensioners, and adaptive restraint strategies.

Restraintperformance

Out-of-position occupant simulation

pre-crash positioning, airbag interaction, and injury risk for OOP occupants.

Out-of-positionoccupant

Seat design and occupant position effects

seatback angle, head restraint geometry, and their influence on injury metrics.

occupantposition

VTC load case matrix design

parameter selection, DOE, and coverage of occupant sizes and positions.

Test instrumentation and data acquisition

accelerometers, load cells, high-speed video, and data processing for VTC tests.

instrumentationacquisition

Injury risk curves and probabilistic assessment

logistic regression, injury probability, and risk curves for VTC metrics.

probabilisticassessment

Validation of CAE models with VTC test data

correlation metrics, objective rating, and model updating.

Sensitivity analysis in VTC evaluation

influence of pulse shape, occupant position, and restraint parameters on injury outcomes.

Sensitivityanalysis

Optimization of restraint systems for VTC

surrogate modeling, genetic algorithms, and robust design.

Optimizationrestraint

Occupant position sensing and adaptive restraints

occupant classification systems, weight sensors, and real-time position detection.

Occupantposition

VTC evaluation for autonomous vehicles

interior reconfiguration, non-standard seating, and new load cases.

Child occupant safety in VTC

CRS installation, position effects, and injury criteria for children.

Rear-seat occupant protection in VTC

specific challenges, restraint differences, and injury patterns.

Rear-seatoccupant

Far-side impact and occupant interaction

occupant-to-occupant contact, far-side airbags, and injury evaluation.

Far-sideoccupant

Post-crash analysis and injury correlation

field data, hospital records, and reconstruction of VTC events.

Post-crashanalysis

full-scale sled test for driver VTC with OOP scenario—setup, execution, and results interpretation.

CAE simulation of passenger VTC with varied seat positions—modeling, correlation, and injury assessment.

restraint optimization for VTC using DOE and multi-objective optimization.

restraintoptimization

Advanced topics

machine learning for injury prediction, human body models, and virtual testing.

Advancedprediction

Course summary and engineering project

design a VTC load case matrix and evaluate occupant injury for a given vehicle interior.