VIP20
本课程属于：013-Six Sigma for CAE LS-DYNA and Occupant Restraint Engineering English Technical Courses · 共 20 门相关课程，组合学习更完整。
查看所属VIP全部课程 →
← 返回所属目录 咨询 / 购买

Sensitivity Ranking of Occupant Injury and Restraint Parameters

30 Chapters
View Course Samples Online
01
Course overview
scope, occupant injury metrics, restraint system parameters, and the role of sensitivity ranking in occupant safety engineering.
occupantrestraint
02
Occupant injury criteria
HIC, chest deflection, Nij, femur force, and other injury metrics; their definitions, thresholds, and use in sensitivity studies.
Occupantcriteria
03
Restraint system parameters
seat belt geometry, pretensioner force, load limiter, airbag venting, and their influence on occupant response.
Restraintparameters
04
Fundamentals of sensitivity analysis
local vs. global methods, one-at-a-time vs. variance-based approaches, and their applicability to occupant safety.
sensitivityanalysis
05
Design of experiments for sensitivity ranking
factorial designs, Latin hypercube sampling, and space-filling criteria for restraint parameter studies.
experimentssensitivity
06
Finite element occupant models
MADYMO, LS-DYNA, and THUMS; model setup, validation, and parameterization for sensitivity analysis.
occupantMADYMO
07
Establishing a baseline occupant simulation
model assembly, boundary conditions, and injury metric extraction for a frontal impact case.
Establishingbaseline
08
Parameter screening
identifying influential restraint parameters via expert knowledge and preliminary one-factor-at-a-time simulations.
Parameterscreening
09
Correlation analysis
Pearson and Spearman coefficients for ranking restraint parameters against injury metrics.
Correlationanalysis
10
Regression-based sensitivity
linear and logistic regression coefficients, standardized beta weights, and interpretation for occupant injury.
Regression-basedsensitivity
11
Variance-based global sensitivity
Sobol indices, first-order and total effects, and their computation for restraint parameters.
Variance-basedsensitivity
12
Metamodeling for sensitivity ranking
response surface methodology, Kriging, and polynomial chaos expansion to reduce simulation cost.
Metamodelingsensitivity
13
Case study
sensitivity ranking of belt parameters (pretensioner force, load limiter, anchor position) for HIC and chest deflection in frontal impact.
sensitivityparameters
14
Case study
airbag parameter sensitivity (venting, inflator output, tether) for head and neck injury metrics in frontal and oblique impacts.
parametersensitivity
15
Interaction effects
identifying and quantifying parameter interactions (e.g., belt force vs. airbag venting) using fractional factorial and Sobol methods.
Interactionidentifying
16
Sensitivity ranking under uncertainty
probabilistic methods, Monte Carlo simulation, and confidence intervals for rank stability.
Sensitivityuncertainty
17
Robustness and reliability-based sensitivity
accounting for occupant variability (size, posture) and restraint parameter tolerances.
Robustnessreliability-based
18
Multi-objective sensitivity ranking
trade-offs between injury metrics (head vs. chest) and parameter importance across objectives.
Multi-objectivesensitivity
19
Sensitivity ranking for side impact
door trim, side airbag, and seat parameters; injury metrics like rib deflection and pelvic force.
Sensitivityparameters
20
Sensitivity ranking for rear impact
seat back strength, head restraint geometry, and whiplash injury metrics.
Sensitivitystrength
21
Sensitivity ranking for pedestrian protection
bumper stiffness, hood deformation, and leg/head injury criteria.
Sensitivitypedestrian
22
Optimization driven by sensitivity ranking
using ranked parameters to guide restraint system design of experiments and optimization.
Optimizationsensitivity
23
Verification and validation of sensitivity results
comparison with physical crash tests and literature, and best practices for model credibility.
Verificationvalidation
24
Practical implementation
scripting sensitivity workflows in Python or MATLAB with MADYMO/LS-DYNA, automation, and post-processing.
implementationscripting
25
Visualization and communication
tornado diagrams, Sobol index plots, and Pareto charts for ranking restraint parameters.
Visualizationcommunication
26
Sensitivity ranking for advanced restraint systems
adaptive load limiters, motorized pretensioners, and integrated safety systems.
Sensitivityadvanced
27
Sensitivity ranking for occupant diversity
obese, elderly, and small occupants; parameter importance shifts and implications for restraint design.
Sensitivityoccupant
28
Sensitivity ranking for out-of-position occupants
airbag deployment timing, belt slack, and injury risk sensitivity.
Sensitivityout-of-position
29
Case study
full-vehicle sensitivity ranking for a production vehicle program; integration with CAE and test data.
full-vehiclesensitivity
30
Course project
conduct a sensitivity ranking study for a specified occupant model and restraint parameter set, report findings, and recommend design priorities.
sensitivityspecified