To analyze the strain in a material exhibiting strong compressibility with high accuracy by performing analysis in which damping properties of a compressible material is accurately expressed.SOLUTION: Provided is a deformation analysis method for a compressible material having nonlinear viscoelastic behavior. A superposition model M0 is used, equipped in parallel with a linear viscoelastic portion by a generalized Maxwell model M1 and a compressible viscoelastic portion (modified Gurson model M2) having a yield condition dependent on hydrostatic stress, and the nonlinear viscoelastic behavior in the compressible material is made to be simulated.SELECTED DRAWING: Figure 2

    【課題】圧縮性材料の減衰性を精度良く表現した解析を行うことで、強い圧縮性を示す材料におけるひずみを高い精度で解析することができる。【解決手段】非線形粘弾性挙動を有する圧縮性材料の変形解析手法であって、一般化MaxwellモデルM1による線形粘弾性部分と、静水応力に依存した降伏条件式を有する圧縮性弾塑性部分(修正GursonモデルM2)と、を並列に備えた重ね合わせモデルM0を使用し、圧縮性材料における非線形粘弾性挙動をシミュレーションするようにした圧縮性材料の変形解析手法を提供する。【選択図】図2


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    Title :

    DEFORMATION ANALYSIS METHOD FOR COMPRESSIBLE MATERIAL


    Additional title:

    圧縮性材料の変形解析手法


    Contributors:

    Publication date :

    2020-06-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    G01L Messen von Kraft, mechanischer Spannung, Drehmoment, Arbeit, mechanischer Leistung, mechanischem Wirkungsgrad oder des Drucks von Fluiden , MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE / A47C Stühle , CHAIRS / B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet




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