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자료유형
학술저널
저자정보
저널정보
대한기계학회 Journal of Mechanical Science and Technology KSME International Journal Vol.17 No.10
발행연도
2003.10
수록면
1,450 - 1,457 (8page)

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초록· 키워드

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Structural integrity of either a passenger car or a light truck is one of the basic requirements for a full vehicle engineering and development program. The results of the vehicle product per­formance are measured in terms of durability, noise/vibration/harshness (NVH), crash worthi­ness and passenger safety. The level of performance of a vehicle directly affects the marketability, profitability and, most importantly. the future of the automobile manufacturer. In this study. we used the Virtual Proving Ground (VPG) approach for obtaining the dynamic stress or strain history and distribution. The VPG uses a nonlinear, dynamic. finite element code (LS-DYNA) which expands the application boundary outside classic linear, static assumptions. The VPG approach also uses realistic boundary conditions of tire/road surface interactions. To verify the predicted dynamic stress and fatigue critical region, a single bump run test, road load simulation. and field test have been performed. The prediction results were compared with experimental results, and the feasibility of the integrated life prediction methodology was verified.

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Abstract

1.Introduction

2.Existing Dynamic Stress Analysis Method

3.Dynamic Stress Analysis Through the Virtual Proving Ground Approach

4.Comparison Between Analysis and Experiment

5.Conclusion

Acknowledgment

Reference

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