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현가부품 내구하중 추출을 위한 가상 내구 시험 기법 연구
손성효(Seong-Hyo Son),강대오(Dae-Oh Kang),허승진(Seung-Jin Heo),김동석(Dong-Seok Kim),강오성(Oh-Sung Kang) 대한기계학회 2005 대한기계학회 춘추학술대회 Vol.2005 No.11
To reduce vehicle development cycles it is necessary to perform numerical durability analysis in an early development phase. This paper presents an alternative method 'VTL : Virtual Testing Lab' to predict the required loads for fatigue analysis. In VTL using Multi-Body Simulation (MBS), the loads prediction process can be performed for an constrained or unconstrained vehicle under several different conditions. Various VTL methods and related technologies showing different results are introduced and evaluated in this paper.
3차원 타이어 모델 및 노면 데이터를 활용한 가상내구로 주행 시뮬레이션
강대오(Dae-Oh Kang),허승진(Seung-Jin Heo),손성효(Seong-Hyo Son),류영일(Young-Il Ryu) 한국자동차공학회 2006 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Durability of automotive structures is a primary engineering consideration that is evaluated during a vehicle design and development. In addition, it is a basic expectation of consumers, who demand ever-increasing levels of quality and dependability. Automakers have developed corporate requirements for vehicle system durability which must be met before a product is delivered to the customer. To provide early predictions of vehicle durability, prior to the construction and testing of prototypes, it is necessary to predict the forces generated in the vehicle structure due to road inputs. This paper describes an application of the virtual proving ground? approach for vehicle durability load prediction for a vehicle on proving ground road surfaces. Correlation of the results of such a series of simulations will be described, and the modeling and simulation requirements to provide accurate simulations will be presented.