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논문 기본 정보

자료유형
학술대회자료
저자정보
김민섭 (대동하이렉스) 윤남희 (대동하이렉스) 김형우 (대동하이렉스)
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한국자동차공학회 한국자동차공학회 추계학술대회 및 전시회 2024년 한국자동차공학회 추계학술대회 및 전시회
발행연도
2024.11
수록면
1,380 - 1,384 (5page)

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초록· 키워드

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This study analyzed the structural interpretation consistency of microcellular foam products. The analysis was conducted using CATIA SA2, designed to effectively respond to changing circumstances during the development process. The material used for the door module was PP-GF20 (polypropylene with 20% glass fiber).
Microcellular foam foaming technology was applied, and the nitrogen content was set based on mass production conditions. Panel stiffness tests on the door assembly were conducted at 7 to 12 locations, using a 25mm tip to apply a load of 20kgf while measuring deformation. The upper limit for the required deformation was set at 10mm. To validate the material property measurements, comparisons were made with the M/plate of the door module mounted under rigid conditions during testing. By aligning the coordinates during the analysis, an average error of ±0.85mm was confirmed, indicating that the material properties were secured.
The analysis method employed was linear static analysis, with the boundary condition set at the inner panel. The results showed an average interpretation consistency rate of 92% and a reliability rate of 85% for the door module FR, with the difference between analysis and testing confirmed to be within 2mm. These findings suggest the potential for robust design considerations in the development of new vehicle models.

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Abstract
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