应变

Based on Darcys law and material balance principle, mathematical model of three-dimensional three-phase was derived in porous medium with artificial fractures, and the gravity was considered in the model.

根据物质平衡原理和达西定律，考虑基质和人工裂缝作用下三维三相渗流模型，并考虑了重力作用影响，结合应变孔隙度模型、应变渗透率模型，建立了流固耦合整体压裂数学模型。

Based on the experimental data of the strain of the geogrids at different embedments, a three dimensional strain surface that represents a function of coordinate and time is obtained. The time function for pull-out force of geogrids is deduced through integration of friction along total length of geogrids.

通过不同埋设位置的检测点所得到的格栅即时应变数据，拟合出格栅的三维应变曲面ε；对格栅表面上的摩擦力进行全段积分，得到格栅拉拔力的时程函数T。

The results show that the maximal rolling pressure and the maximal strain in rolling process don't appear in the same location; the plastic strain areas locates on the both sides of the edge at the fillet, resulting in residual compressive stress reached to strengthen the purpose of rolling.In the rolling process, must be reasonable to control the feed roll.

结果表明，滚压过程中最大滚压力和最大应变不是出现在同一位置，塑性应变区域位于圆角凹面两侧边缘，冷作硬化后产生的残余压缩应力达到了滚压强化目的；滚压过程必须合理控制滚压进给量。

The article simulated the interface condition of full-depth pavement through finite element method, and studied its influence on pavement life using three indexes including the deflection on the surface, the tensile strain at the bottom of asphalt layer and the compressive strain at the top of subgrade.

通过有限元仿真模拟全厚式沥青路面不同的层间接触状态，并采用路表弯沉、沥青层底拉应变以及土基顶压应变3大指标分析其对路面寿命的影响。

A cusp catastrophe model is presented to describe the behavior of sliding along one deep incompetent structural plane of a gravity dam foundation, and the sufficient conditions leading to instability are discussed. It is found that the instability of sliding relies mainly on the stiffness ratio k, the homogeneity index of the medium m and the geometry-mechanic parameter ξ and that the reliability of the traditional limit analysis method is deficient.

通过建立的模型分析，发现坝基滑动失稳主要取决于软弱面上复杂弹脆性介质和应变软化介质在应变软化拐点处的刚度比k、材料的均匀性指标m及几何－力学参数ξ；并给出了发生突变失稳的充分力学判据，指出传统的刚体极限平衡分析法存在一定的缺陷。

The plastic deformation behavior and stress-strain response characteristics of Monel alloy at high strain rate ( s≈4.3×10 5s -1 ) are studied using Hopkinson bar and hat-shaped specimen.

采用Hopkinson杆加载技术和帽状试样，研究Monel合金在εs≈4.3×105s－1的高应变速率条件下的应力－应变关系及塑性变形行为。

The stress and strain of jaw crusher teeth plate have been simulated and studied with finite element analysis by means of determinate mechanics.

应用确定性力学方法，对齿板应力和应变进行了有限元仿真研究，通过对仿真结果的分析，认为基于确定性力学的齿板应力和应变仿真只能部分反映其真实受力状态，齿板类零件在有限元仿真中的载荷施加方法应进一步研究，以真实地反映齿板在实际工况下的受力情况。

The elastic strains induced in the epicentral region by the passage of the seismic wavefield generated by the largest of the nuclear tests, the May 11 Indian test with an estimated yield of 40 kilotons, is about 100 times smaller than the strains induced by the Earth's semi-diurnal (12 hour) tides that are produced by the gravitational fields of the Moon and the Sun.

由核试验产生的震动波经过而诱发了在震中区域的弹性应变。5月11日估计有40千吨产物地印度的核试验，比由月球和太阳引力引起的12小时一次的潮汐引发的应变小100倍。

The elastic strains induced in the epicentral region by the passage of the seismic wavefield generated by the largest of the nuclear tests, the May 11 Indian test with an estimated yield of 40 kilotons, is about 100 times smaller than the strains induced by the Earth's semi-diurnal (12 hour) tides that are produced by the gravitational fields of the Moon and the Sun.

核试验产生的震动波途径震中，诱发了在震中区域的弹性应变。发生在5月11日约40千吨级的印度核试验，比月球和太阳引力引起的12小时一次由潮汐引发的应变小100倍。

The elastic strains induced in the epicentral region by the passage of the seismic wavefield generated by the largest of the nuclear tests, the May 11 Indian test with an estimated yield of 40 kilotons, is about 100 times smaller than the strains induced by the Earth's semi-diurnal (12 hour) tides that are produced by the gravitational fields of the Moon and the Sun.

大规模核试验产生的震动波途径震中，诱发了在震中区域的弹性应变。发生在5月11日约40千吨级的印度核试验，比由潮汐引发的应变（月球和太阳引力引起，每12小时一次）小100倍。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。