비선형 거동이 고려된 전기자동차 고무 개스킷 단면 형상 최적화에 대한 연구
A Study of the Optimization of Sectional Shape of Rubber Gasket of Electric Vehicle Considered in Nonlinear Behavior
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초록
This study investigates the optimization of sectional shape with two dimensions on the rubber gasket of electric vehicle battery in order to maintain the airtightness and watertightness. For the section optimization, the shape of protruding section was analyzed as design variables and the design point was composed by the design of experiment(DOE) for the selected protruding shape. The uniaxial tensile test was carried out for the analysis of rubber gasket and five parameters of Mooney-Rivlin hyperelastic model were derived from the test data in order to construct the strain energy function for nonlinear behavior. The rubber gasket compression analysis was performed by using ANSYS of a commercial software and the performance of optimal shape was verified by performing the tests of watertightness and airtightness on the 3D rubber gasket with the derived section.
Abstract
This study investigates the optimization of sectional shape with two dimensions on the rubber gasket of electric vehicle battery in order to maintain the airtightness and watertightness. For the section optimization, the shape of protruding section was analyzed as design variables and the design point was composed by the design of experiment(DOE) for the selected protruding shape. The uniaxial tensile test was carried out for the analysis of rubber gasket and five parameters of Mooney-Rivlin hyperelastic model were derived from the test data in order to construct the strain energy function for nonlinear behavior. The rubber gasket compression analysis was performed by using ANSYS of a commercial software and the performance of optimal shape was verified by performing the tests of watertightness and airtightness on the 3D rubber gasket with the derived section.
참고문헌 (5)
- B. Kang, "A Study for 3D PIP Gasket Sealing Analysis", The Korean Society of Automotive Engineers, pp.105~110 (2015)[DOI]
- 이승표, "자동차용 휠 베어링 시일의 드래그 토크 예측", 한국자동차공학회 논문집, 25(5), pp.563~572 (2017), 한국자동차공학회[DOI]
- 조재웅, "대변형을 하는 고무 부품의 동적 거동", 한국산학기술학회논문지, 6(6), pp.536~541 (2005), 한국산학기술학회
- D. Lee, "The Stiffness Analysis and Optimization of the Rubber Seat Considering Nonlinear Behavior", The Korean Society for Noise and Vibration Engineering (2002)
- H. -Y. Kim, "Numerical Modeling of Fuel Cell Gasket for Sealing Performance", The Korean Society for New and Renewable Energy, pp.97~100 (2007)