为了求解缝合层合板中单层的弹性常数,基于单层面内纤维走向与绕流流场中流线形状的相似性,建立了与缝合单胞相对应的有限空间定常二维无粘性不可压理想流体的无旋绕流流场模型,流场的几何边界与单胞的边界一致,绕流物面与缝线截面形状一致.用该流场的速度变化描述单胞面内纤维体积含量的变化,用流线形状描述缝线周围面内纤维的变形.以流场模型为基础,用细观力学方法和均匀化方法求得缝合单层的弹性常数,结果与实验值吻合.最后用流场模型分析了缝合参数对缝合单层弹性常数的影响.
参考文献
| [1] | 蒋咏秋,陆逢升,顾志建.复合材料力学[M].西安:西安交通大学出版社,1990:18-74. |
| [2] | 张志民,张开达,杨乃宾.复合材料结构力学[M].北京:北京航空航天大学,1993:65-107. |
| [3] | 陈作荣,诸德超,陆萌.复合材料的等效弹性性能[J].复合材料学报,2000,17(3):73-77.Chen Zuorong,Zhu Dechao,Lu Meng.Effective elastic properties of composites[J].Acta Materiae Compositae Sinica,2000,17(3):37-77. |
| [4] | Bogetti T A,Hoppel C P R,Harik V M,et al.Predicting the nonlinear response and progressive failure of composite laminates[J].Composites Science and Technology,2004,64 (3/4):329-342. |
| [5] | 孟凡颢.用DPS模型预测缝合复合材料弹性常数[J].飞机设计,2004(3):17-20.Meng Fanhao.Prediction of elastic constants of stitched-composites using the DPS model[J].Aircraft Design,2004(3):17-20. |
| [6] | 魏玉卿,张俊乾.缝合复合材料层合板面内弹性模量分析[J].力学与实践,2005,27(1):36-38.Wei Yuqing,Zhang Junqian.On in-plane elastic modulus of stitched composite laminates[J].Mechanics and Practice,2005,27(1):36-38. |
| [7] | 桂良进,范子杰,陈宗渝,等.缝合层合板的本构关系研究Ⅰ:缝合单层板有效弹性常数分析[J].复合材料学报,2002,19(1):95-100.Gui Liangjin,Fan Zijie,Chen Zongyu,et al.Study on constitutive relationship of stitched laminates Ⅰ:Analysis of effective elastic constants of stitched lamina[J].Acta Materiae Compositae Sinica,2002,19(1):95-100. |
| [8] | 桂良进,范子杰,陈宗渝,等.缝合层合板的本构关系研究Ⅱ:缝合单层板刚度分析与实验[J].复合材料学报,2002,19(1):101-106.Gui Liangjin,Fan Zijie,Chen Zongyu,et al.Study on constitutive relationship of stitched laminates Ⅱ:Analytical and experimental study on stiffness of stitched laminates[J].Acta Materiae Compositae Sinica,2002,19(1):101-106. |
| [9] | Sickinger C,Herrmann A.Structural stitching as a method to design high-performance composites in future[R/OL].Brunswick:Institute of Structural Mechanics,German Aerospace Center,2000.http:// www.dlr.de/fa/publikationen/2001/2001.html. |
| [10] | Mouritz A P,Leong K H,Herszberg I.A review of the effect of stitching on the in-plane mechanical properties of fibre-reinforced polymer composites[J].Composites Part A,1997,28(12):979-991. |
| [11] | Mouritz A P,Cox B N.A mechanistic approach to the properties of stitched laminates[J].Composites Part A,2000,31(1):1-27. |
| [12] | White F M.流体力学[M].陈建宏,译.北京:世界图书出版公司,1992. |
| [13] | Chamis C C.Mechanics of composite materials:Past,present and future[J].J Comp Tech Res,1989,11:3-14. |
| [14] | 程小全,赵龙,张怡宁.缝合复合材料可用性:简单层合板的基本性能[J].北京航空航天大学学报,2003,29(11):1001-1005.Chen Xiaoquan,Zhao Long,Zhang Yining.Properties of stitched composite laminates:The principle properties of simple laminates[J].Journal of Beijing University of Aeronautics and Astronautics,2003,29(11):1001-1005. |
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