我们从具有屈服平台金属材料试验中发现，在屈服阶段的泊桑比总是存在剧减和剧增。
It is found in experiments on metals with yielding terrace that there always exists sudden down and up in Poisson's ratio during the yielding stage.
基于基础隔震结构的能量设计方法，推导出适用于双线性隔震器最佳屈服平台的应用公式。
Based on the energy design measures for base-isolation structure, the formula applicable to the optimal yield level of the bilinear isolator is derived.
所得结果表明，在屈服平台上，范性形变过程中内耗基本不变，且其值随范性形变速率的增加和测量频率倒数的增加而线性增加。
The results showed that on the yielding plateau, the internal friction did not change with the strain, but increased linearly with the increase of strain rate and varied inversely with frequency.
横轴方向的位移荷载速度越大，纵轴方向的弹性模量越大，平台极限应变越小，而屈服应力和平均平台应力相差不大。
When the transverse loading speed becomes bigger, the axial elasticity modulus also becomes bigger, while the platform yeild strain becomes smaller, buy the yield stress changes little.
通过有限元软件的可靠度分析模块，对海洋平台可靠度进行分析。结构的可靠度主要与材料的屈服强度与甲板均布质量有关，是结构可靠性的限制条件。
Analysis the dynamic response in a variety of load conditions by the language of APDL, and the reliability analysis of offshore platform are carried on by the reliability module of the FEM software.
利用ABAQUS提供的用户材料子程序UMAT的二次开发平台开发土石料的沈珠江双屈服面模型，并以一面板堆石坝为例，结合ABAQUS的“单元增加/去除”技术进行了坝体施工和水库蓄水的仿真分析。
The user material subroutine UMAT provided by the general software ABAQUS was used for programming for Shenzhujiang s double-yield surface model of earth rockfill materials.
利用ABAQUS提供的用户材料子程序UMAT的二次开发平台开发土石料的沈珠江双屈服面模型，并以一面板堆石坝为例，结合ABAQUS的“单元增加/去除”技术进行了坝体施工和水库蓄水的仿真分析。
The user material subroutine UMAT provided by the general software ABAQUS was used for programming for Shenzhujiang s double-yield surface model of earth rockfill materials.
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