poisson ratio
泊松比：一个描述材料在受到压缩或拉伸时
常用释义
英式发音
美式发音
基本释义
- 泊松比：一个描述材料在受到压缩或拉伸时，横向应变与纵向应变之比的物理量。
例句
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1·However, Poisson ratio does not influence the plastic volumetric strain in the stage of strain softening.在应变软化阶段，泊松比不影响塑性体积应变。
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2·The tension Poisson ratio is negative, and its regression curve shows upward section and downward section.受拉泊松系数回归曲线存在上升段和下降段；
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3·The dynamical Poisson ratio, dynamical Young's modulus and dynamical compressive yield strength were obtained.得到了水泥砂浆石的动态泊松比、动态杨氏模量、动态压缩强度。
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4·For the tight sandstone containing gas, only velocity ratio of P wave to s wave and Poisson ratio are sensitive to fluid variation.而对于致密含气砂岩，纵、横波速度比及泊松比对流体变化相对较为敏感。
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5·The influences of pipe net spacing distance, pipe diameter, buried depth and soil's Poisson ratio on the distribution of superimposed load are discussed.探讨了管道净间距、直径、埋深以及土体泊松比对附加荷载分布的影响。
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6·At the same time, the limitation of the approximate analytic solution is pointed out because the Poisson ratio of the film materials has strong effect on the results.同时，指出了近似解析解的局限性，揭示了膜材料的泊松比对结果有较大影响。
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7·In this paper, equivalent tangent modulus is introduced, Poisson ratio effect factor is obtained, Constitutive relation to be easy use in finite element analysis is founded.本文引入等效切线模量，给出了泊松比影响因子，建立了在有限元分析中使用方便的本构关系。
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8·Elastic parameter such as impedance, velocity, Poisson ratio etc. and pre-stack amplitude, frequency attributes can be used to quantitatively predict the fracture density and direction.利用阻抗、速度、泊松比等弹性参数和叠前振幅、频率属性可对裂缝密度和方位进行定量预测。
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9·Based on the shape factor and the effective Poisson ratio an effective method to transform from lateral strain of funnel-like specimen to axial strain of standard specimen is developed.基于形状因子与等效泊松比的原理，建立了——漏斗型小试样径向应变向轴向应变换算的等效方法。
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10·Deform characteristics of uniform soft subsoil under traffic load is studied, and some parameters of soft subsoil such as elastic modulus, strength indices, poisson ratio are mainly considered.本文主要研究了交通荷载作用下均质软土地基在交通荷载作用下的变形特征，考虑了地基土体的弹性模量、强度参数、泊松比等因素的影响。