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1)  Elastic and elastic-plastic steel structures
弹性和弹-塑性型钢结构
2)  plastoelastic structure
弹塑性结构
1.
Recurrence formula is obtained for the dynamic analysis of plastoelastic structure.
推导了弹塑性结构动力分析的递推公式,提出了一种简单有效的弹塑性结构主动控制算法。
3)  structural elastic-plastic analyses
结构弹塑性分析
1.
The model in this paper can be used in structural elastic-plastic analyses based on the incremental initial-force method where shearing distortions of the members are .
该模型仍具有杆内时模型的优点,适用于按增量初内力法进行杆剪切变形的结构弹塑性分析。
4)  inelastic SDOF structure
SDOF弹塑性结构
1.
Maximum seismic displacement of inelastic SDOF structure based on momentary input energy;
基于瞬时输入能量的SDOF弹塑性结构最大位移反应分析
5)  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。
6)  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。
补充资料:弹性
分子式:
CAS号:

性质:除去导致变形的负荷以后,材料迅速回复其原来尺寸和形状的能力。当变形与所加负荷成正比时,该材料被认为是虎克弹性体或理想弹性体。应力和应变不满足线性关系,但仍保持单值关系称非线弹性。加载后经过一定时间后应力和应变才满足线性关系称滞弹性。

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