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FMI를 이용한 RecurDyn과 SimulationX의 휠로더 통합 해석
서준원(June Won Seo),차태로(Tae Ro Cha),최진환(Jin Hwan Choi) 대한기계학회 2015 대한기계학회 춘추학술대회 Vol.2015 No.11
The construction machinery is a field where CAE is used actively. The purpose of CAE in this field can be divided into two major things. The one is structure including fatigue analysis, and another is performance analysis. Conventionally, structure analysis is achieved by static FEM, and fatigue analysis software. On the other hands, for the performance analysis 1D simulation software is used widely. In the side of structure analysis, driving, and actuating forces are simplified as boundary conditions, on the other hands, in the side of performance analysis, these forces are modeled in detail, but the structure model is simplified in general. If they use advantages of each side together, it would be good for engineers to get much realistic simulation result. For this purpose functional mockup interface (FMI) is appeared. This paper represent FMI example between hydraulic system in SimulationX, and multi body system in RecurDyn for the construction machinery.
유연 다물체 동역학 해석을 통한 휠로더의 피로 해석 방법 개발
황인규(In Gyu Hwang),차태로(Tae Ro Cha),이희종(Hee Jong Lee),최진환(Jin Hwan Choi) 대한기계학회 2014 대한기계학회 춘추학술대회 Vol.2014 No.11
In order to increase the completeness of the wheel loader, it is desirable to measure the durability of each part of the design process to predict the weak portion in advance. In this paper, the wheel loader simulation for the Front Frame is performed for the specific operations (V-cycle) by using the Durability toolkit of RecurDyn. In this application program, the fatigue analysis is separated three steps. The first step is to search the weak portion of the wheel loader. Next step is Rainflow counting process. The last step is to perform the fatigue analysis using the load history which is already calculated. The result of fatigue analysis is also verified by the experimental data.