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- Keywords mechanical properties;thermodynamic micromechanism;elastic constitutive equation and relationship;crystal lattice rearrangement;material fragility; 力学性能;热力学微观机理;弹性本构关系和方程;晶格重排;材料脆性;
- elastic constitutive equation 弹性本构
- According to the elastic plastic theory in strain space, the constitutive equation on the condition of triaxial test is deducted, which adopts associative flow rule and Mises yield function. 本文基于应变空间的基本的弹塑性本构方程式,采用Mises剪切屈服准则及相关联流动法则,推导出三轴条件下的本构关系式。
- Perhaps constitutive equation has to be fortified by experimental evidence. 本构方程或许还得用试验数据予以验证。
- Based on anisotropic elastic theory,the linear and nonlinear constitutive equations of twistless fiber bundles were worked out by utilizing elastic mechanics. 应用弹性力学方法,根据各向异性弹性理论,导出非加捻纤维束线性和非线性本构方程。
- The theoretical analysis of the test results leads to the constitutive equation of RRR. 并且在理论分析的基础上,建立了该材料在纵向冲击拉伸下的本构方程。
- Based on rheologic test results,a new epoxy resin constitutive equation was proposed with mathematical justification. 根据环氧树脂流变性能实验结果,经过严格的数学推导,提出了一种新的未固化环氧树脂的本构模型。
- Using Voigt model, Morris and Sayers gave elastic constitutive tensor for an orthorhombic aggregate of cubic crystallites; however,Huang derived elastic constitutive tensor for an anisotropic aggregate of cubic crystallites. 基于Voigt模型;Morris和Sayers给出了立方晶粒正交集合的弹性本构关系;Huang则给出了立方晶粒各向异性集合的弹性本构关系.
- The expert system based on artificial neural network was used, and the constitutive equation of PRMMCs was built. 采用基于人工神经网络的专家系统,建立了颗粒增强金属基复合材料的本构方程。
- The constitution equation for cartilage is of Hooke elastic material type and that of muscle is of exponential type with two material parameters. 软骨的本构关系为Hooke弹性材料而肌肉采用有二个参数的指数型本构方程。
- On the basis of the microstructure of mushy zone, a constitutive equation was established. 根据液固两相区的微观结构推导了适于分析两相区变形的本构方程。
- Based on the model, a constitutive equation is introduced for the oedometric case and sensitivity of its parameters is analysized in detail. 基于该模型,对于单轴轴对称情况下,引入发一个本构方程,并详细分析了该模型各个参数的变化对结果的敏感性。
- The model consists of a spring and a dashpot.It is assumed that the constitutive equation described in a previous study can be applied to the spring. 本模型是由弹簧与阻尼器串连组成,弹簧部分采用作者曾经提出的本构方程;
- Considered the diffusion of liquid in the cylinder wall, an equivalent constitutive equation of osteon in the longitudinal direction was obtained. 并考虑了液体在筒壁内的扩散,从而得到了骨单元沿轴向的等效本构方程。
- Based on the elasto-viscoplastic constitutive equation, the history of stress and strain is analyzed during uniaxis tension under oscillatory loading. 基于弹粘塑性本构关系,讨论了附加振动时单轴拉伸的应变及应力变化过程。
- nonlinearly elastic constitutive relation 非线性弹性本构关系
- This means that constitutive equations must be framed in tensor language. 这意味着建立本构方程必须采用张量符号。
- The specific coefficients of thermal viscoplastic constitutive equation for TB2 were obtained by use of the least square method and C coded programs. 通过采用最小二乘法和C语言编程拟合热粘塑性本构方程中的待定参数,并在此基础上对绝热剪切带内温升进行了估算。
- Nonlinear analysis concrete filled steel tubular arches' mechanical property was researched.The appropriate constitutive equation was selected. 摘要对一个模型拱进行了非线性分析,研究了钢管混凝土拱的力学性能。
- The nonaffine constitutive equation was applied to a parallel superposition of sine vibration upon steady shear flow field( or sine pulsating flow field). 同时,为了与实际物理场相结合,将这一纯振动剪切力场作用下的聚合物熔体非仿射瞬态网络结构本构方程推广到稳态剪切流上平行叠加正弦振动后的力场(称正弦脉动流场)去,并结合毛细管动态流变仪来进一步验证这一模型的精确性。