本文从膜片弹簧受力变形后内部应力分布着手，分析了膜片弹簧早期弹力衰减的原因。
The causes for the elastic force attenuation of diaphragm spring are analyzed based on the stress distribution of loaded diaphragm spring.
给出了自平衡端头载荷问题应力衰减率分析的一种方法。
This paper presents a method for stress decay rate analysis of the self-equilibrated end load problem.
对冷胀强化孔残余应力衰减的有关问题以及试验结果进行了研究。
A study is described on the attenuation of residual stress of a cold expanded hole and its experimental results.
本文采用自动数据采集及FFT技术研究应力波的弥散与衰减特性。
Dispersion and attenuation characteristics of stress waves were studied by means of the automatic data collection and FFT technique.
分析了动力试桩中，因土阻力和桩身材料阻尼引起的应力波衰减作用对桩身的完整性检测精度的影响。
It also analyses the influence of attenuation of stress wave cased by the soil resistance and the damp of pile shaft material in dynamic pile test on the precision of pile shaft integrity test.
爆炸应力波峰值随距离衰减是工程爆破参数设计的理论依据之一。
Attenuation rule of the peak value of explosion stress wave vs. distances is one of the theoretical bases for designing engineering blasting parameters.
发现在层裂特性研究中，应力波衰减有重要意义。
It is found that the attenuation of stress wave is important for study of spallation property.
当扭振振幅或扭振应力超过限值时，设计橡胶扭振减振器将振幅衰减到容许范围内，消减曲轴系统的扭转振动。
When the torsional vibration amplitude and stress exceed the limit, the rubber torsional vibration damper should be designed to reduce the amplitude within the permitted range.
着重分析了相间作用力，包括壁面剪切应力、虚拟质量力、拖拽力，对压力波传播速度和衰减的影响。
The interphase forces on the propagation were investigated, including wall shear stress, virtual mass force and drag force.
结果表明轨下构筑物的存在将减弱列车动应力往深层传递的衰减。
The analysis results indicate that the attenuation of additional dynamic stress along depth is reduced with existence of the structure under rail.
与其他数值软件一样，用三维离散元程序(3dec)模拟应力波在节理岩体中的传播和衰减时，模型参数对模拟结果有很重要的影响。
Model parameters have the important effects on three-dimensional distinct element code (3dec) modeling of the stress wave propagation and attenuation in jointed rock masses as well as other codes.
研究结果表明，厚壁筒自增强残余应力在循环载荷的作用下，残余应力衰减达到近30%。
The result showed that the attenuation of residual stress of autofrettaged thick-walled cylinder reached about 30% under cycle loading.
本文对土体滑坡和松散层滑坡治理过程中容易出现的冒顶剪出、桩间土挤出和锚索预应力衰减等三方面的问题，结合典型的工程实例进行分析探讨。
Through typical engineering examples the extrusion of soil between piles or over top of pile and the pressure attenuation of anchoring cables in the stabilization of landslide are studied herein.
试验表明，页岩在较低应力水平下，轴向及侧向蠕变曲线呈现出衰减阶段的流变特性。
Experimental research reveals that the axial and lateral creep curves of shale specimens behave the attenuation creep stage under relatively low stress state.
应力波；电磁辐射；压电效应；衰减趋势；
由于这种钢化内应力是一种永久应力，随着产品运行时间的延伸，它不会产生内应力衰减现象。
As this toughened internal stress is a kind of permanent stress, it can not produce the internal stress attenuation with elongation of the product service time.
应力松驰量为连续衰减的函数。
The stress-relaxation modulus is a continuous, decreasing function.
本文应用叠加方法模拟了柱状装药爆炸时的动态应力场，通过计算机数值模拟得到了柱状装药爆炸时应力峰值的衰减规律和应力分布特点。
Applying reiterative method, this Paper simulates the blasting stress field of cylindrical charge, and then, gets attenuation law stress peak value and characteristics of stress distribution.
当应力达到一定的水平时，岩石加速蠕变损伤发生后的衰减蠕变和稳态蠕变。
When the stress reaches a certain level, the accelerated creep damage of rock occurred after the decay creep and steady creep.
而动态应力在传播过程中衰减。因此，余震的发生是一个负反馈过程。
Meanwhile during the process of dynamical stress propagation, its amplitude decays. So the aftershock occurrence of the Tangshan earthquake is a negative feedback process.
结果表明：时效温度范围内7050铝合金的应力松弛曲线表现为典型的对数衰减曲线。
The results show that in traditional aging temperature, the stress relaxation curve of 7050 aluminum alloys exhibits a classical logarithmic decrement curve.
同时由应力路径旋转对模量的影响也随着剪切应变的增加而逐渐衰减。
At the same time, the effect of stress path circumgyration on shear modulus decreases gradually along with the increase of shear strain.
计算表明，炮孔深度(装药长度)增大，爆炸应力波峰值随距离的衰减指数减小。
The results indicate that the decay coefficient of the peak value of blast wave with the distance will be reduced as the hole depth (charge length) is increased.
应力波强度会随着传播距离的增加而不断衰减；
The stress wave strength would be steadily reduced with the spreading distance increased.
利用爆炸应力波在介质中传播的衰减规律和在界面处的反、透射规律，建立起了集中装药在多相介质中爆炸的力学模型；并运用工程实例来说明这种力学模型的应用。
In this paper, a mechanics model is founded on effect of spherical dynamic explosion in multiphase medium, based on the systems of blasting pressure decay and of reflection in the interface.
针对应力波穿过节理面产生的衰减现象，研究节理面的几何形状、法向刚度对应力波的透射性影响。
Aiming at the attenuation of stress wave traveling through the rock joints, the influences of joint geometrical shape and stiffness on the stress wave transmission coefficient are analyzed.
根据疲劳试验结果，建立了预应力钢纤维混凝土板弯曲疲劳方程和剩余强度衰减方程，分析了抗弯刚度衰减规律。
According to fatigue experiment results, the fatigue equation and equation of surplus strength degradation are built. The law of degradation of flexural rigidity is analyzed.
本文总结了应力波的理论和爆破地震波的传播和衰减规律；
This thesis, author has summarized the theory of passes and attenuation equation of stress wave;
本文总结了应力波的理论和爆破地震波的传播和衰减规律；
This thesis, author has summarized the theory of passes and attenuation equation of stress wave;
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