Downloaded from https://www.everyspec.com APPENDIX C MIL-STD-31000A 3D TDP VALIDATION GUIDE C.1 Forward. .................................................................................................................................. 52 C.2 Scope....................................................................................................................................... 53 C.3 Applicable documents............................................................................................................. 56 C.3.1. Government documents. .................................................................................................. 56 C.3.2.
Non-government documents............................................................................................ 56 C.4 Definitions............................................................................................................................... 57 C.5 General requirements. ............................................................................................................. 65 C.5.1. Native or original 3D model data. ................................................................................... 65 C.5.2. Equivalent model data. .................................................................................................... 66 C.6 Detailed requirements.
............................................................................................................ 68 C.6.1. Acceptance criteria. ......................................................................................................... 68 C.6.2. Data checking processes and procedures......................................................................... 77 C.6.3. Model healing processes and procedures. ....................................................................... 80 C.6.4. Conversion of 3D models from one format to another.................................................... 81 C.6.5. Re-mastering of 3D model data.
...................................................................................... 81 C.6.6. Long-term archiving of 3D model data. .......................................................................... 83 C.7 Exhibit A – Product geometric integrity criteria..................................................................... 85 C.7.1. Geometry. ........................................................................................................................ 85 C.7.2. Surface criteria.................................................................................................................. 92 C.7.3.
Edge criteria................................................................................................................... 103 C.7.4. Edge loop criteria........................................................................................................... 105 C.7.5. Face criteria. .................................................................................................................. 108 C.7.6. Shell criteria.................................................................................................................. 114 C.7.7. Solid body criteria. ........................................................................................................
119 C.7.8 Assembly structure quality criteria................................................................................. 124 50