nishihara meaning in English

似志原
西原

Applying viscoelastoplastic theory , the modified nishihara model was extended into three dimension , the yield criterion and flow vectors fitting for computing were attained . according finite element theory , the computing method and step of nishihara rheological model was given , numerical simulating of three point bending creep test was performed and the results were coincided with that of test
运用粘弹塑性基本理论，对改进后的西原流变模型时空离散并拓展到三维空间，给出了适合数值计算的屈服准则和流动矢量求解方法；给出了西原流变模型数值计算基本方法和步骤。
Damage law of granite specimen were studied , damage factors coupling of time and temperature was presented with the help of coupled damage factor of time and temperature , combining with nishihara rheological model , elastic and viscopelastic model were modified into a new rheological model considering the effects of time and temperture
运用损伤力学基础理论，通过引入断裂韧度和弹性模量热损伤分析，给出了损伤因子随温度和时间变化行为方程式；研究了花岗岩试件受温度热应力作用下损伤变化规律，给出了温度和时间损伤效应条件下损伤因子演化方程。