The longitudinal modulus was determined by tensile tests and compared to the results of the Engineering Constants, which were calculated based on a micro-mechanical parallel connection model.
采用真空袋—热压罐法制备单向纤维增强复合材料平板试样,通过拉伸试验得到纵向弹性模量,与细观并联力学模型预测的工程常数结果进行比较,根据结合机理针对匹配性、完整性和取向有效性,对细观预测公式进行了修正,得到了能有效接近真实模量的修正公式。
Formula of longitudinal Youngs moduli is derived.
在建立三维编织隐层复合材料代表性体积单元的基础上，通过改进经典层合板理论，推导出了复合材料的面内纵向模量预测公式。
The longitudinal elastic wave transmission through a coupling joint of two collinear semi-infinite beam structures is investigated by using wave theory approach.
采用波动分析法研究了纵向弹性波在两半无限梁耦合点的传播。