Factor Of Safety
6. Documentation
?Software/ Hardware
?M&S assumptions, capabilities, limitations, risks, and impacts?Units
?Description and Results of V&V tasks
?Identifying unresolved issues associated V&V implementation
?Documenting recommendations in support of accreditation decision
7. Best Practices
7.1 Testing Best Practices
In addition to the basic
requirements in SAE AS8049B
?Improving Test Repeatability and Methods
?To provide optimal data for the purposes of modeling a dynamic sled test.
?Documentation
?Early and good communication between the test engineer and engineering analyst
?Plan collecting additional information such as strain gauges, load cells, additional cameras, etc.
?General Documentation
?Specific ATD dimensions?Sitting height?H-point location
?Motion Analysis
Target Point Placement Considerations ?Head?Shoulder?H-point
?Knee and Ankle Pivots?Restraint system?Target Obscurities ?Overhead Cameras
?Consistent ATD Pre-Test Position
?ATD Position
?Seat and Interior Mockup Measurements
?Additional Data Considerations
?FAA-Hybrid III?Seat pan/cushion?ATDs used for ballast?
Seat instrumentation
7.2 Modeling Best Practices
?
Global Parameters ?Units
?Integration Methods?Time step?Mass scaling
?Element Quality Criteria?
Physical Discretization
?Modeling structural elements ?Modeling of non structural elements ?
Material Definition
?Material model verification ?Failure mode definition ?Strain rate sensitivity
?Contact Definition?Load Application
?
Initial Conditions?ATD positioning
?Establishing equilibrium position
?Pitch and Roll?
Output Control?Energy Balance?Output request ?Negative volume ?Hourglass Energy