차체의 구조설계를 위한 유한요소 모델링 방법 제안
The Suggestion of Finite Element Modeling Method for Structural Design of Automotive Body
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초록
The design and analysis of the rigidity and deformation of the vehicle body are basically performed in two forms. First, the relative response of components separated from a parent system or connected as a model of a subsystem is examined. Second, the entire model is used to consider the absolute response of the components to the externally transmitted vehicle service load, which is defined as that of the entire vehicle body system. In this paper, we propose the finite element modeling for the structural design of the car body. First, we will explain the simple finite element modeling of the car body, explain the method of formulating the stiffness of the joint, and finally the shell element. The proposed finite element modeling is proposed. By applying the proposal, it is possible to propose finite element modeling of all medium and large passenger cars less than 3 tons.
Abstract
The design and analysis of the rigidity and deformation of the vehicle body are basically performed in two forms. First, the relative response of components separated from a parent system or connected as a model of a subsystem is examined. Second, the entire model is used to consider the absolute response of the components to the externally transmitted vehicle service load, which is defined as that of the entire vehicle body system. In this paper, we propose the finite element modeling for the structural design of the car body. First, we will explain the simple finite element modeling of the car body, explain the method of formulating the stiffness of the joint, and finally the shell element. The proposed finite element modeling is proposed. By applying the proposal, it is possible to propose finite element modeling of all medium and large passenger cars less than 3 tons.
참고문헌 (10)
- K. N. Park, "Strength and rigidity tests of a small sedan body", 3(1), pp.32~37 (1981)
- H. J. Yim, "Technology for initial design and analysis of vehicle pillar structures for vibration", Transactions of Korea Noise and Vibration, pp.99~104 (1994)
- Effect of flexible connections on body structural response, "D. C. Chang", SAE, ~, pp.SAE paper 740041 (2004)
- M. F. Nelson, "The use of inertia relief to estimate impact loads", SAE Transactions, 86(770604), pp.2237~2243 (2006)
- A. E. Duncan, "Understanding NVH Basics", IBEC Body Design &Engineering, pp.111~116 (2007)
- Structural joint stiffness of automotive body, "Toshiaki Sakurai", SAE, ~, pp.SAE paper 880550 (2010)
- S. P. Timoshenko, "Theory of elastic stability" (2010), McGraw-Hill
- Kollbrunner, "Torsion in Structures : An Engineering Approach" (2011), Spring-verlag
- M. M. Kamal, "Modern Automotive Structural Analysis" (2011), Van Nostrand Reinhold Co
- 조재웅, "전복시 차체에 대한 구조 안전 해석", 한국산학기술학회논문지, 12(1), pp.32~37 (2011), 한국산학기술학회