To provide a method, a system, and a program for analyzing fluid surrounding a tire which can reduce a calculation time.SOLUTION: A system 1 has: a structure calculating unit 12 for calculating deformation of a rotated tire finite element model M2; a grouping processing execution unit 11 for carrying out grouping processing for two or more consecutive faces (F01 to F04) matched with a predetermined coupling condition of a plurality of faces (F01 to F08) forming a tire outer face to one group face G01; a time series data acquiring unit 13 for acquiring time-series data relating to displacement of a first node P1 at an intersection of outermost sides forming each group face G01 and a second node P2 forming each of faces (F05 to F08) that are not grouped; and a fluid calculating unit 14 for, by using a fluid analysis model, changing a position of a calculation grid cell C1 with using the first node P1 and the second node P2 in the time series data as a control point to calculate a physical amount of the fluid with respect to each calculation cell C1.SELECTED DRAWING: Figure 1

    【課題】計算時間を短縮可能なタイヤ周囲の流体解析方法、システム及びプログラムを提供する。【解決手段】システム1は、転動させたタイヤ有限要素法モデルM2の変形を算出する構造計算部12と、タイヤ外表面を構成する複数の面(F01〜F08)に対して、所定の結合条件に合致する2つ以上の連続する面(F01〜F04)を1つのグループ面G01とするグループ化処理を実行するグループ化処理実行部11と、各々のグループ面G01を構成する最も外側の辺同士の交点にある第1節点P1と、グループ化されていない各々の面(F05〜F08)を構成する第2節点P2との変位に関する時系列データを取得する時系列データ取得部13と、流体解析モデルを用い、時系列データにおける第1節点P1及び第2節点P2を制御点として計算格子セルC1の位置を変更しつつ計算格子セルC1毎に流体の物理量を演算する流体計算部14と、を有する。【選択図】図1


    Access

    Download


    Export, share and cite



    Title :

    METHOD FOR ANALYZING FLUID SURROUNDING TIRE, SYSTEM FOR ANALYZING FLUID SURROUNDING TIRE, AND PROGRAM


    Additional title:

    タイヤ周囲の流体解析方法、タイヤ周囲の流体解析システム及びプログラム


    Contributors:
    YOGO YUTO (author)

    Publication date :

    2021-04-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / B60C VEHICLE TYRES , Fahrzeugreifen / G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES , Prüfen der statischen oder dynamischen Massenverteilung rotierender Teile von Maschinen oder Konstruktionen



    METHOD AND APPARATUS FOR ANALYZING FLUID AROUND TIRE

    NASHIO HIROSHI | European Patent Office | 2020

    Free access

    METHOD AND APPARATUS FOR ANALYZING FLUID AROUND TIRE

    NASHIO HIROSHI | European Patent Office | 2020

    Free access

    METHOD AND APPARATUS FOR ANALYZING FLUID AROUND TIRE

    NASHIO HIROSHI | European Patent Office | 2018

    Free access

    Tire forensic investigation : analyzing tire failure

    Giapponi, Thomas R. | TIBKAT | 2008


    SYSTEM AND METHOD FOR ANALYZING TIRE SHAPES

    MIYAZAWA MASASHI | European Patent Office | 2022

    Free access