本文按线性粘弹性理论分析了圆形隧道及其围岩。
This paper gives an analytical investigation based on linear viscoelastic theories for the round tunnel and its surrounding rock masses.
实验结果表明粘性介质可以简化为线性粘弹性材料。
The results show that viscous medium can be simplified as a linear viscoelastic material.
结果根据线性粘弹性理论拟合了试验曲线,得出了蠕变方程。
Results By viscoelastic properties theory regressed the experimental curve and obtained the creep function of C3 segment.
证明了简化非线性粘弹性本构关系对聚合物一类材料的适用性;
The practicability of simplified nonlinear viscoelastic constitutive relations for a class of materials as polymers is verified.
研究了轴向周期载荷作用下非线性粘弹性嵌岩桩的横向混沌运动。
The transverse chaotic motion problem of a nonlinear viscoelastic rigid basic pile subjected to an axial periodic force is investigated.
该文研究了非线性粘弹性土层中粘弹性悬浮桩侧向振动的动力刚度。
Dynamic stiffness for lateral vibration of a viscoelastic floating pile in a nonlinear viscoelastic soil layer is investigated.
研究了轴向周期载荷作用下非线性粘弹性嵌岩桩纵向振动的混沌运动。
The chaotic motion problem for the Longitudinal vibration of a nonlinear viscoelastic pile subjected to an axial periodic force is investigated.
结果表明即使在高应变率下,人的密质骨也具有非线性粘弹性材料的特性。
The results showed that human cortical bone behaved as a non linear viscoelastic material even at high strain rate.
其主要结果是两个用于求解一类物理非线性粘弹性问题的弹性回复对应原理。
The main results of this theory are two elasticity recovery correspondence principles, which are used for solving a class of physically nonlinear viscoelastic problems.
气管软骨应力松弛曲线是以对数关系变化的,气管软骨为非线性粘弹性材料。
The tracheal cartilage stress relaxation curve is changed by the logarithm relations, the tracheal cartilage is the non-linear viscoelastic material.
研究了在给定桩顶轴向动位移条件下非线性粘弹性嵌岩桩纵向振动的混沌运动。
The vertical chaotic motion of the nonlinear viscoelastic pile embedded in rock with a vertical displacement, is investigated.
建立了线性粘弹性半空间地基模型,并给出了地基柔度矩阵和刚度矩阵的计算公式。
The paper has established a linearly viscoelastic ground model in elastic half-space, and has derived the formulae of ground flexibility matrix and stiffness matrix.
尽管实验限制在小变形范围之内,高分子材料仍表现出明显的非线性粘弹性性能。
Although the experiments are restricted to small strain, it still reveals significant nonlinear viscoelastic behavior for polymer materials.
研究了在轴向载荷和周期性横向载荷共同作用下非线性粘弹性嵌岩桩的混沌运动情况。
The chaotic motion of a nonlinear viscoelastic rigid basic pile subjected to an axial force and a periodic horizontal force was investigated.
利用它,只要知道相应的非线性弹性问题的解,就可以求出非线性粘弹性问题的解答。
By means of which, the solution of a nonlinear viscoelastic problem can be obtained if the solution of the corresponding nonlinear elastic problem is known.
采用毛细管流变仪等仪器研究了一类聚乙烯熔体的挤出畸变与熔体非线性粘弹性的关系。
The relationship between the melt fracture and the non-linear viscoelasticity for PE-HD, POE, and PE-LLD was studied using a capillary rheometer.
本文利用线性粘弹性的对应原理得出了关于粘弹性岩石中井筒的井壁压力及位移的理论解。
An exact solution of pressure and displacement of a mine shaft situated in viscoelastic rock is obtained using the correspondence principle of the linear viscoelasticity theory.
得到了幂率型非线性粘弹性材料,特别是改性聚丙稀的裂纹尖端应力、应变和位移场的解答。
The solution of the crack-tip stress, strain fields for the power law type nonlinear viscoelastic materials, especially for the modified polypropylene, is obtained.
首先找到非线性粘弹性与非线性弹性本构关系之间的对应,然后导出了两个弹性回复对应原理。
The correspondence between the nonlinear viscoelastic and the nonlinear elastic constitutive relations is found first, and then two elasticity recovery correspondence principles are deduced.
直接从线性粘弹性基本方程着手,引进位移的一般表达式,将问题归结为求解一个线性积分方程。
From the basic equations of a linear viscoelastic solid, we introduce general expressions of displacement so that the problem is reduced to solving a linear integral equation.
通过模型结果与实验结果的对比,证明了“双连续”结构形态和线性粘弹性之间存在对应的联系。
This model has been compared with some experimental results, which proves a reasonable connection between the "co-continuous" structure and linear viscoelasticity of blends.
利用施工期的现场监测资料,应用非线性粘弹性有限元仿真分析,对茅坪溪土石坝进行了安全复核。
The safety of the Maopingxi rockfill dam was checked by monitoring data in the stage of construction. The nonlinear visco-elasto FEM analysis on the dam was carried out.
在线性粘弹性假设条件下,通过引入复弹性模量,使粘弹性波动方程具有和弹性波动方程类似的形式。
Introducing the complex viscoelastic modulus, visco-elastic wave equation has the similar form with elastic wave equation for harmonic wave motion, in case of linear viscoelastic.
根据对淮南矿务局谢一矿巷道移近量观测资料的分析,将煤矿岩体视为不连续非均质线性粘弹性介质。
Based on the analysis of tunnel convergence in Xieyi coal mine, HuainanMine Bureau, the rock mass of coal mine is considered to be a discontinuous in-homogeneous linear viscoelastic medium.
应用形式渐近分析和拉普拉斯变换,我们从三维线性粘弹性方程组得到二维线性粘弹性弯壳的数学模型。
By applying formal asymptotic analysis and Laplace transformation, we obtain two-dimensional model system of linearly viscoelastic "flexural" shell from three-dimensional equations.
对周期载荷作用下,准线性粘弹性本构方程的响应进行了分析,结果表明它不能描述软组织的实验结果。
The analytical results on the quasi-linear viscoelastic constitutive equation under the periodic loading showed that the equation could not describe the experimental results of soft tissues.
本文从非线性粘弹性物质的多重积分型本构方程出发,引入塑性应变,推导了粘弹塑性物质的微分型本构方程。
Introducing the plastic strain the differential constitutive equation for viscoelastic and plastic materials is deduced from multi-integral constitutive equation for nonlinear viscoelastic materials.
本文根据非线性粘弹性力学原理论述了沥青迁移的物理力学本质,并探讨了其影响因素及减轻沥青迁移的材料学方法。
This asphalt migration phenomenon from a non-liner viscoelastic mechanics is explained and its affecting factors and technical methods retarding such a migration are discussed.
运用线性粘弹性理论研究了塑料在微通道成形中的蠕变和应力松弛现象,通过应力松弛实验验证了塑料的应力松弛行为。
This paper applies linear viscoelastic theory to study on the creep and relaxation phenomena and to verify the relaxation behavior through several stress relaxation experiments.
并运用三维线性粘弹性有限元模型,对离心实验过程进行了数值模拟,以确定固体推进剂药柱在轴向过载作用下的变形问题。
Using three dimensional linear viscoelasticity finite element model, numerical simulation was performed. The deformation of solid propellant grain under axial acceleration was investigated.
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