V2EX isotropicity

Isotropicity

定义 Definition

isotropicity各向同性;指某种性质(如材料的弹性、介质的折射率、空间的统计特征等)在所有方向上都相同的特性。常见于物理、工程、材料科学与数学语境中。

发音 Pronunciation (IPA)

/astrpsti/

例句 Examples

The isotropicity of the material makes the test results easier to compare.
这种材料的各向同性使测试结果更容易比较。

In continuum mechanics, assuming isotropicity can simplify the constitutive equations, but it may fail for composites or textured metals.
在连续介质力学中,假设各向同性可以简化本构方程,但对复合材料或具有织构的金属可能并不适用。

词源 Etymology

来自希腊语词根:**iso-**(相同、相等)+ trop- / tropos(方向、转向)+ 英语名词后缀 -ity(……的性质)。字面含义接近“在各个方向都一样的性质”。

相关词 Related Words

文学与著作 Literary Works

  • Theory of Elasticity(Timoshenko & Goodier):在讨论各向同性材料的弹性理论与应力应变关系时会使用该概念。
  • An Introduction to Continuum Mechanics(Malvern):介绍连续介质中的材料假设(如各向同性/各向异性)及其对方程形式的影响。
  • Gravitation(Misner, Thorne & Wheeler):在更广义的物理语境中讨论空间/宇宙学的各向同性(isotropy)相关表述时与该词族同现。
  • Introduction to Solid State Physics(Kittel):在晶体、材料性质与对称性讨论中常涉及各向同性与各向异性术语体系。
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