Hydroplaning Simulation for a Tire by Using an Asymptotic Method

C.-W. Oh; K.-S. Park; T.-W. Kim; H.-Y. Jeong; S.-N. Kim

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자료유형: 학술대회자료

저자정보: C.-W. Oh K.-S. Park T.-W. Kim H.-Y. Jeong S.-N. Kim

저널정보: 한국자동차공학회 한국자동차공학회 춘 추계 학술대회 논문집 한국자동차공학회 2006년 추계학술대회 논문집 Volume III

발행연도: 2006.11

수록면: 1,307 - 1,311 (5page)

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연구결과

이 논문의 연구 히스토리 (3)

2008

Hydroplaning simulation for a straight-grooved tire by using FDM, FEM and an asymptotic method

C.-W. Oh , T.-W. Kim , H.-Y. Jeong 외 3명 Journal of Mechanical Science and Technology 2008.01 학술저널

2007

Hydroplaning Simulation for Patterned Tires by Using FDM, FEM and an Asymptotic Method

C.-W. Oh , T.-W. Kim , H.-Y. Jeong 외 1명 한국자동차공학회 춘 추계 학술대회 논문집 2007.11 학술대회자료

2006

Hydroplaning Simulation for a Tire by Using an Asymptotic Method

C.-W. Oh , K.-S. Pa , k 외 3명 한국자동차공학회 춘 추계 학술대회 논문집 2006.11 학술대회자료

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Much research has been conducted to simulate the hydroplaning of tires using commercial explicit FEM codes such as MSC.Dytran and LS-DYNA. However, it takes a long time to finish such a simulation because its model has lots of Lagrangian and Eulerian elements and a contact should be defined between the two different types of elements. Thus, in this study a new methodology was proposed for the hydroplaning simulation using two separate mathematical models; an FDM (finite difference method) code was developed to solve Navier-Stokes and continuity equations to obtain the pressure distribution around a tire with the inertia and the viscous effects of water taken into account, and an FEM (finite element method) tire model was used to obtain the deformed shape of the tire due to the pressure distribution. The two models were iteratively used until a converged pressure distribution was obtained. Since the converged pressure distribution could not be obtained near the contact zone due to very thin water depth, an asymptotic approach was also used to estimate the pressure distribution. This new simulation methodology was applied to a straight grooved tire, and its hydroplaning speed was finally determined for the water depth of 5 ㎜, 10 ㎜, 15 ㎜ and 20 ㎜.

#Hydroplaning #FDM #Navier-Stokes Equation #Continuity Equation #Asymptotic Method

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