说明:双击或选中下面任意单词,将显示该词的音标、读音、翻译等;选中中文或多个词,将显示翻译。
您的位置:首页 -> 词典 -> 本构模型准弹性模型
1)  hypoelastic model
本构模型准弹性模型
2)  viscous-elastic constitutive model
黏弹性本构模型
1.
Based on the analysis of polymer solution flowing in throat model,the viscous-elastic constitutive model of the polymer solution seepage is established in which the characteristics of the polymer solution and porous media are all considered.
分析聚合物溶液在简化孔喉模型中的流动情况,建立了综合考虑聚合物溶液特性和多孔介质特征的黏弹性本构模型,并在此基础上建立了聚合物溶液不稳定渗流数学模型,并利用数值方法求解。
3)  elastoplastic constitutive model
弹塑性本构模型
1.
Numerical format of elastoplastic constitutive model based on the unified strength theory in FLAC~(3D);
统一弹塑性本构模型在FLAC~(3D)中的计算格式
2.
A new method to define slippage line under local loading condition is presented based on Hill’s principle of strain bifurcation and the elastoplastic constitutive model of soil.
借助 Hill 的材料应变局部化原理和土的弹塑性本构模型,应用声学张量示踪边坡失稳滑移线发生和发展,提出了局部加载条件下的确定边坡失稳滑移线的方法。
3.
Based on the above physical fundamentals of sands subjected to cyclic rotation of principal stress axes,a new cyclic elastoplastic constitutive model for saturated sands aiming at describing the deformation behavior of sands due to cyclic rotation of principal stress axes is developed.
基于对上述应力主轴循环旋转条件下砂土的基本变形规律的认识,采用将主应力幅值变化以及应力主轴旋转产生的塑性变形单独加以考虑的办法,建立一个可合理考虑应力主轴循环旋转效应的砂土弹塑性本构模型,并对该模型在包含应力主轴旋转的多种复杂循环应力路径下的有效性进行验证。
4)  elasto-plastic constitutive model
弹塑性本构模型
1.
Based on this yield criterion and elasto-plastic theory,an elasto-plastic constitutive model for coarse materials is established.
根据大坝应力路径,对粗粒料进行等应力比和等应力比增量等于常数的三轴剪切试验,得出了相应的应力–应变关系式和规律;根据粗粒料的试验强度曲线特征,提出用幂次型函数表述粗粒料的抗剪强度,并以此为屈服准则,结合弹塑性理论建立了粗粒料的弹塑性本构模型,该模型可以用一个统一的表达式表述,该模型概念清晰、模型参数较少;同时推导出粗粒料的弹塑性矩阵;通过试验验证模型计算得到的粗粒料应力–应变关系曲线和实测结果吻合较好。
2.
Based on the results of test under complex stress, the relationship of stress-strain under the principal stress with different directions is studied through experiments, and according to this, combined with the concept of state, an elasto-plastic constitutive model based on relationship of stress-dilatancy and simulated hyperbolic relationship of stress-strain is put forward.
基于复杂应力条件下的试验结果,就针对不同主应力方向对应力–应变关系的影响进行了试验研究,并在此基础上结合状态概念提出了基于应力–剪胀关系和应力–应变拟双曲线关系的弹塑性本构模型。
5)  elastic-plastic constitutive model
弹塑性本构模型
1.
Ubiquitous volume-retraction during load-decreasing process is an important factor leading to liquefaction and failure of saturated sand, which could not be reasonably explained by existing elastic-plastic constitutive models of soil.
普遍存在的减载体缩现象是导致砂土液化和破坏的重要因素,但尚难以用现有土的弹塑性本构模型合理解释。
6)  viscoelastic constitutive model
粘弹性本构模型
1.
Based on the concept of creep complicance,the rock constitutive model is identified from the general expression of viscoelastic constitutive model using the back analysis of displacement and creep compliance.
本文回顾了常用的几种岩石粘弹性本构模型 ,依据蠕变柔量的概念 ,用位移和蠕变柔量两步反分析法从粘弹性本构模型的一般表达式中辨识出岩石的本构模型 。
补充资料:黏弹性
分子式:
CAS号:

性质:既具有黏性又具有弹性的物体。如果外力作用较慢即作用时间较长时,主要表现为塑性态;如果外力作用很快即作时时间较短时,主要表现为高弹态。从狭义的角度来说是指黏弹固体,即在弹性形变时伴随有显著黏性的固体。不遵循虎克定律。因而在形变过程中不仅有机械能的储存,而且有能量的损耗。高分子材料是典型的黏弹固体。从广义的角度来说也包括弹黏性流体。其黏度对剪应力和剪切速率有明显的依赖性,不遵循牛顿定律。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条