| 1. | Influence of ply stacking hybrid on penetration properties of composite laminates 铺层混杂对复合材料层压板侵彻性能的影响 |
| 2. | Effect of fiber distribution uniformity on the mechanical properties of composite laminates 316复合材料层压板力学性能的影响 |
| 3. | This similarity proves that it is effective to use the quasi - static method to simulate low - velocity impact response of composite laminates 这种可比性在一定程度上说明了用准静态方法来模拟复合材料层压板的低速冲击的有效性。 |
| 4. | Mechanical properties of stitching foam - core sandwich , due to stitchs , is quite different from conventional laminates and foam - core sandwich 缝线的引入使得缝纫泡沫夹层复合材料的结构既不同于普通复合材料层压板,也不同于泡沫夹层复合材料。 |
| 5. | Nowadays the issue of composite fatigue is among those primarily concerned for designing aircraft structures with long term durability and reliability 复合材料层压板由于其高的比强度和比刚度,在现代航空航天结构上得到广泛应用,其疲劳问题也逐渐受到工程师的重视。 |
| 6. | Quasi - static indentation tests on composite laminates have been conducted to examine the failure mechanisms of different composite laminates under static indentation and understand the efficiency of damage resistance 从理论上预测受静态压痕力作用的复合材料层压板的损伤参数是一项困难的工作。 |
| 7. | 4 . the basic experiments were conducted to evaluate mechanical properties of stitched composite laminates and stitching foam - core sandwich , and the experimental results were presented 通过常温湿热环境下缝纫复合材料层压板以及缝纫泡沫夹层复合材料力学性能试验,获得了缝纫层压板和缝纫泡沫夹层结构的部分力学性能参数。 |
| 8. | The work includes four parts as following . a two - dimensional finite element model is constructed and the analysis program is complied to analyze the residual strength of damaged composite laminates under unidirectional tensile stress 建立含孔和裂纹复合材料层压板的二维有限元模型,编写有限元程序计算损伤板在单向拉伸载荷作用下的剩余强度; 2 |
| 9. | The model is an integration of three major components : stress analysis , failure analysis and material property degradation rules . based on the model , a computer code is developed that simulates cycle - by - cycle behaviour of composite laminates under fatigue loading 本文尝试构造一个完整的复合材料层压板疲劳寿命分析系统,从程序上整合三个功能模块,即层压板的应力分析、失效分析和材料性质退化,对其疲劳失效的过程进行数值模拟。 |
| 10. | In this paper , the residual strength of damaged composite laminates and their repaired structures under unidirectional tensile stress is calculated . the influence of the repair parameters , such as the diameter of the circle patch , the length and the width of the rectangle patch , the thickness of the patch , the stacking sequence is discussed 本文对含损伤复合材料层压板及其修补结构在单向拉伸载荷作用下的剩余强度进行了计算,同时对补片参数对修补效果的影响做了一些研究和探讨,主要做了以下几个方面的工作: 1 |