A novel simple cut-cell method for robust flow simulation on cartesian grids

Motoshi Harada, Yoshiharu Tamaki, Yuichi Takahashi, Taro Imamura

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Citations (Scopus)

Abstract

A novel simple cut-cell method for hierarchical Cartesian grid is proposed. Small or split cells which often appear in the cut-cell method are eliminated by a simple projection strategy. In order to evaluate the capability of this method, two-dimensional flow is solved, and the results are compared with the immersed boundary method (IBM) on Cartesian grids. The computational results of inviscid and viscous laminar flow simulations show that the new cut-cell method is superior to IBM in terms of grid convergence of drag force and separation points. The method is extended to turbulent flow simulations using Spalart-Allmaras wall function. The cut-cell method predicts the skin friction accurately, compared to the IBM.

Original languageEnglish
Title of host publication54th AIAA Aerospace Sciences Meeting
PublisherAmerican Institute of Aeronautics and Astronautics Inc, AIAA
ISBN (Print)9781624103933
DOIs
Publication statusPublished - 2016
Externally publishedYes
Event54th AIAA Aerospace Sciences Meeting, 2016 - San Diego, United States
Duration: 2016 Jan 42016 Jan 8

Publication series

Name54th AIAA Aerospace Sciences Meeting
Volume0

Other

Other54th AIAA Aerospace Sciences Meeting, 2016
CountryUnited States
CitySan Diego
Period16/1/416/1/8

ASJC Scopus subject areas

  • Aerospace Engineering

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