This paper proposes a BEM computation model to calculate the transverse effective moduli and Poisson's ratios of unidirectional fiber reinforced composites.
本文提出了一个计算单向纤维增强复合材料横向弹性模量和泊松系数的边界元计算模型。
The effect of interphase on transverse effective moduli and Poisson's ratios of the hexagonal-array unidirectional fiber reinforced composites are calculated by using the boundary element method.
选择六角形模型，用边界元法计算了不同纤维体积含量时，具有非理想界面纤维增强复合材料的横向弹性模量Ｅ２、Ｅ３和泊松系数。
Being different from homogeneous material,the Poisson ratio for reinforced concrete is not a constant, and it is composed of tension Poisson ratio and compression Poisson ratio.
钢筋混凝土组合材料泊松系数分为受拉泊松系数和受压泊松系数，且受拉泊松系数常为负值。
Being different from homogeneous material,the Poisson ratio for reinforced concrete is not a constant, and it is composed of tension Poisson ratio and compression Poisson ratio.
钢筋混凝土组合材料泊松系数分为受拉泊松系数和受压泊松系数，且受拉泊松系数常为负值。
