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학술대회자료
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대한기계학회 대한기계학회 춘추학술대회 대한기계학회 2009년도 춘계학술대회 논문집
발행연도
2009.5
수록면
423 - 429 (7page)

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초록· 키워드

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Recently, the automotive industry has been trying to reduce the weight of vehicles to improve the fuel efficiency and comply with stricter environmental regulations. It is important not only to reduce weight but also to maintain durability of the original product. Durability problems of the engine, which accounts for major portion of the weight of a vehicle, were found out by using CAE(Computer Aided Engineering) method in this study. By using finite element analysis which is one of the CAE methods in this study, durability of the reduced weight engine was estimated after structural analysis was performed. No studies on structural analysis of material properties on temperature changes in the engine have ever been reported to date. In this study, the FE model including the cylinder block and cylinder head with a gasket, head bolts, liners and valve seats was constructed and structural analysis considering plastic deformation was performed using data obtained from material properties test in high temperature. Through the analysis results in assembly, thermal and firing load condition, we predicted stress concentration in the engine assembly. Based on the result of FE analysis, the weak parts of the engine assembly were estimated at the position where bolts are fastened and through the shafts of bolts.

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Abstract
1. 서론
2. 고온 인장 실험
3. 엔진 어셈블리
4. 유한 요소 해석
5. 해석 결과
6. 결론
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UCI(KEPA) : I410-ECN-0101-2009-550-018676419