V2EX centroidal

Centroidal

释义 Definition

centroidal(形容词):与形心/质心(centroid)有关的;以形心为基准的。常用于数学、工程力学与几何学语境(如“centroidal axis 形心轴”“centroidal moment of inertia 关于形心的惯性矩”)。

发音 Pronunciation

/sntrdl/

例句 Examples

The beam’s centroidal axis passes through the middle of its cross-section.
梁的形心轴穿过其截面的中部。

To simplify the analysis, we computed the centroidal moment of inertia and then applied the parallel-axis theorem.
为简化分析,我们先计算关于形心的惯性矩,再应用平行轴定理。

词源 Etymology

来自 centroid(形心/质心)+ 形容词后缀 -al(“……的”)。其中 centroid 源于希腊语词根 kentron(“中心、尖端”)与 -eidos/-oid(“形状、类似”)的组合,整体含义指“几何中心/中心点”;centroidal 则表示“与形心相关的”。

相关词 Related Words

文学与作品 Literary Works

  • J. L. Meriam & L. G. Kraige,《Engineering Mechanics: Statics》(工程力学静力学):常见于截面性质与“centroidal axis / centroidal moment of inertia”等表述。
  • R. C. Hibbeler,《Engineering Mechanics》(工程力学系列教材):在形心、惯性矩与平行轴定理的章节中频繁出现。
  • F. P. Beer 等,《Mechanics of Materials》(材料力学):讨论梁的弯曲与截面几何性质时使用“centroidal”相关术语。
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