Space–Time computational analysis of tire aerodynamics with actual geometry, road contact, and tire deformation

Research output: Chapter in Book/Report/Conference proceedingChapter

9 Citations (Scopus)

Abstract

A new space–time (ST) computational method, “ST-SI-TC-IGA,” is enabling us to address the challenges faced in computational analysis of tire aerodynamics with actual geometry, road contact and tire deformation. The core component of the ST-SI-TC-IGA is the ST Variational Multiscale (ST-VMS) method, and the other key components are the ST Slip Interface (ST-SI) and ST Topology Change (ST-TC) methods and the ST Isogeometric Analysis (ST-IGA). The VMS feature of the ST-VMS addresses the challenge created by the turbulent nature of the flow, the moving-mesh feature of the ST framework enables high-resolution computation near the moving fluid–solid interfaces, and the higher-order accuracy of the ST framework strengthens both features. The ST-SI enables high-resolution representation of the boundary layers near the tire. The mesh covering the tire spins with it, and the SI between the spinning mesh and the rest of the mesh accurately connects the two sides of the solution. The ST-TC enables moving-mesh computation even with the TC created by the contact between the tire and the road. It deals with the contact while maintaining high-resolution representation near the tire. Integration of the ST-SI and ST-TC enables high-resolution representation even though parts of the SI are coinciding with the tire and road surfaces. It also enables dealing with the tire-road contact location change and contact sliding. By integrating the ST-IGA with the ST-SI and ST-TC, in addition to having a more accurate representation of the tire surfaces and increased accuracy in the flow solution, the element density in the tire grooves and in the narrow spaces near the contact areas is kept at a reasonable level. We present computations with the ST-SI-TC-IGA and two models of flow around a rotating tire with road contact and prescribed deformation. One is a simple 2D model, and one is a 3D model with an actual tire geometry that includes the longitudinal and transverse grooves. The computations show the effectiveness of the ST-SI-TC-IGA in tire aerodynamics.

Original languageEnglish
Title of host publicationModeling and Simulation in Science, Engineering and Technology
PublisherSpringer Basel
Pages337-376
Number of pages40
DOIs
Publication statusPublished - 2018 Jan 1

Publication series

NameModeling and Simulation in Science, Engineering and Technology
ISSN (Print)2164-3679
ISSN (Electronic)2164-3725

Fingerprint

Tire
Computational Analysis
Tires
Aerodynamics
Space-time
Contact
Geometry
High Resolution
Moving Mesh
Mesh
Computational methods
Variational multiscale Method
Isogeometric Analysis
High Order Accuracy
Boundary layers

ASJC Scopus subject areas

  • Modelling and Simulation
  • Engineering(all)
  • Fluid Flow and Transfer Processes
  • Computational Mathematics

Cite this

Kuraishi, T., Takizawa, K., & Tezduyar, T. E. (2018). Space–Time computational analysis of tire aerodynamics with actual geometry, road contact, and tire deformation. In Modeling and Simulation in Science, Engineering and Technology (pp. 337-376). (Modeling and Simulation in Science, Engineering and Technology). Springer Basel. https://doi.org/10.1007/978-3-319-96469-0_8

Space–Time computational analysis of tire aerodynamics with actual geometry, road contact, and tire deformation. / Kuraishi, Takashi; Takizawa, Kenji; Tezduyar, Tayfun E.

Modeling and Simulation in Science, Engineering and Technology. Springer Basel, 2018. p. 337-376 (Modeling and Simulation in Science, Engineering and Technology).

Research output: Chapter in Book/Report/Conference proceedingChapter

Kuraishi, T, Takizawa, K & Tezduyar, TE 2018, Space–Time computational analysis of tire aerodynamics with actual geometry, road contact, and tire deformation. in Modeling and Simulation in Science, Engineering and Technology. Modeling and Simulation in Science, Engineering and Technology, Springer Basel, pp. 337-376. https://doi.org/10.1007/978-3-319-96469-0_8
Kuraishi T, Takizawa K, Tezduyar TE. Space–Time computational analysis of tire aerodynamics with actual geometry, road contact, and tire deformation. In Modeling and Simulation in Science, Engineering and Technology. Springer Basel. 2018. p. 337-376. (Modeling and Simulation in Science, Engineering and Technology). https://doi.org/10.1007/978-3-319-96469-0_8
Kuraishi, Takashi ; Takizawa, Kenji ; Tezduyar, Tayfun E. / Space–Time computational analysis of tire aerodynamics with actual geometry, road contact, and tire deformation. Modeling and Simulation in Science, Engineering and Technology. Springer Basel, 2018. pp. 337-376 (Modeling and Simulation in Science, Engineering and Technology).
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