[논문]3차원 충돌해석 정보를 이용한 측면 충돌 사고 재구성

장인식; 김일동

[국내논문] 3차원 충돌해석 정보를 이용한 측면 충돌 사고 재구성
A Study on the Side Collision Accident Reconstruction Using 3-Dimensional Crash Analysis 원문보기

한국자동차공학회논문집 = Transactions of the Korean Society of Automotive Engineers, v.16 no.1, 2008년, pp.52 - 63

장인식 (홍익대학교 기계정보공학과) , 김일동 (홍익대학교 대학원 기계정보공학과)

Abstract ▼ AI-Helper

The side collision reconstruction algorithm is developed using three dimensional car crash analysis. Medium size passenger car is modeled for finite element analysis. Total 24 side collision configurations, four different speed and six different angle, are set up for making side collision database. Deformation index and degree index are built up for each collision case. Deformation index is a kind of deformation estimate averaging displacement of side door of crashed car from finite element analysis result. Angle index is constructed measuring deformed angle of crashing car. There are two kinds of angle index, one is measured at driver's side and the other is measured at passenger's side. Also a collision analysis information in side of cars is used for giving a basis for scientific and practical reason in a reconstruction of the car accident. The analysis program, LS-DYNA3D is utilized for finite element analysis program for a collision analysis. Those database are used for side collision reconstruction. Side collision reconstruction algorithm is developed, and applied to find the collision conditions before the accident occurs. Three example collision cases are tried to check the effectiveness of the algorithm. Deformation index and angle index is extracted for the case from the analysis result. Deformation index is compared to the established database, and estimated collision speed and angle are introduced by interpolation function. Angle index is used to select a specific collision condition from the several available conditions. The collision condition found by reconstruction algorithm shows good match with original condition within 10% error for speed and angle. As a result, the calculation from the reconstruction of the situation is reproducing the situation well. The performance in this study can be used in many ways for practical field using deformation index and degree index. Other different collision situations may be set up for extending the scope of this study in the future.

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참고문헌 (12)

NHTSA "Side Impact Protection," Federal Motor Vehicle Safety Standards, 49 CFR Part 571, Docket No.88-06, Notice8, 1994
R. Bergmann, C. Bremer, X. Wang and A. Enblen, "Requirements of Comprehensive Side Protection and Their Effects on Car Development," 15th Int. Tech. Conf. Enhanced Safety of Vehicles, Paper No.96-S6-W-16, 1996
K. Seyer and B. Fildes, "Working towards a Harmonized Dynamic Side Impact Standard and Australian Perspective," 15th Int. Tech. Conf. Enhanced Safety of Vehicles, Paper No. 96-S6-O-5, 1996
T. J. Trella, R. R. Samaha and E. J. Smith, "The Use of Advanced Analytical Techniques in Side Impact Crash-worthiness Research," 15th Int. Tech. Conf. Enhanced Safety of Vehicles, Paper No.96-S6-O-10, 1996
K. Izumi, A. Okamoto, M. Yoshikawa and H. Ishigure, "Computer Analysis for Side Impact Occupant Protection," 15th Int. Tech. Conf. Enhanced Safety of Vehicles, Paper No. 96-S6-O-8, 1996
I. Jang and S. Lee, "The Relationship between Deformation Shape and Energy for Various Crash Configurations of Two Cars," Transactions of KSAE, Vol.7, No.3, pp.225-233, 1999

상세보기
I. Jang and D. Chae, "The Derivation of Simplified Vehicle Body Stiffness Equation Using Collision Analysis," Transactions of KSAE, Vol.8, No.4, pp.177-184, 2000
I. Jang and D. Chae, "Collision Configurations Reconstruction Using Deformation Shape and Deformation Severity of Car Body," Transactions of KSAE, Vol.9, No.1, pp.171-180, 2001

원문보기 상세보기
J. Lim, K. Kim and H. Huh, "Side Impact Analysis of an Auto-body with 60TRIP Steel for Side Members," Transactions of KSAE, Vol.11, No.2, pp.164-171, 2003
D. Yoo, J. Kim, H. Beom and O. Kwon, "A Study of Numerical Analysis for Korea NCAP Side Impact," Spring Conference of Proceedings, KSAE, pp.1527-1523, 2005
HYPERMESH Manual, Altair, USA, 2004
LS-DYNA 3D Keyword User's Manual, LSTC, USA, 1999

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[국내논문] 3차원 충돌해석 정보를 이용한 측면 충돌 사고 재구성
A Study on the Side Collision Accident Reconstruction Using 3-Dimensional Crash Analysis 원문보기

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[국내논문] 3차원 충돌해석 정보를 이용한 측면 충돌 사고 재구성 A Study on the Side Collision Accident Reconstruction Using 3-Dimensional Crash Analysis 원문보기

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[국내논문] 3차원 충돌해석 정보를 이용한 측면 충돌 사고 재구성
A Study on the Side Collision Accident Reconstruction Using 3-Dimensional Crash Analysis 원문보기