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| Stress Simulation Technology for Aviation Electronics Environmental Worthiness Analysis |
| Received:July 29, 2010 Revised:February 15, 2011 |
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| DOI： |
| KeyWord:environmental worthiness digital prototype computational fluid dynamics（CFD） finite element method（FEM） |
| Author | Institution |
| LUO Cheng |
China Aero-Polytechnology Establishment，Beijing ，China |
| XU Wen-zheng |
China Aero-Polytechnology Establishment，Beijing ，China |
| ZENG Chen-hui |
China Aero-Polytechnology Establishment，Beijing ，China |
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| Abstract: |
| Temperature and vibration are two key factors of environmental worthiness problem of aviation electronics. Therefore thermal and vibration stress should be analyzed during design process. Digital prototypes and modeling methods for environmental worthiness analysis were introduced. Thermal stress simulation method based on computational fluid dynamics （CFD）technique and vibrational stress simulation method based on finite element method（FEM）technique were discussed. A case study was given. |
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