In order to solve the limitation of three-dimensional braiding in making preforms of complex shape,the technology of stitching joint three-dimensional braided composites is presented,and the creative feature as well as problems should be solved are expounded.
为了解决三维编织制作复杂形状异型件存在的局限性,文章提出了缝合连接三维编织复合材料技术,并阐述了其创新点和应该解决的问题。
Effects of through thickness stitching on Mode II interlaminar fracture toughness( G II ) and modes of delamination of composite laminates were investigated by performing end notched flexure(ENF) tests.
分别采用测量 ENF试样加载点位移与测量其端部剪切位移 CSD(Crack Shear Displacement)的试验方法 ,研究了缝合复合材料层合板的 II型层间断裂韧性以及缝合密度 ,缝合线的直径等缝合参数对于缝合复合材料层合板 II型层间断裂韧性和分层模式的影响。
The effects were investigated of stitching directions, layup sequences and environmental factors on tensile and compressive properties.
通过试验研究了缝合T300帘子布/QY9512常用层合板的拉伸和压缩性能,考察了缝合方向、铺层顺序和环境因素对层合板拉、压性能的影响,得到了3种常用层合板及其孔板的拉伸、压缩强度与模量。
High strength glass yams,Kevlar-29 fiber yams and T300 3K fiber yams are used to stitch glass section-cloth respectively.
分别采用高强玻璃纱、Keylar-29纤维和T300 3K纤维为缝合线对玻璃纤维方格布进行缝合,研究了缝合/RTM复合材料层合板的面内拉伸性能和层间剪切性能。
By using the algorithm, we can not only stitch multiple trimmed surfaces but also repair those initial CAD defects such as gap, overlap as.
将初始的多个裁剪曲面粘合在一起,是从初始CAD模型转化生成为“不漏水”的网格化模型的子算法之一首先叙述了初始多裁剪曲面的结构,然后阐述了该算法的数据结构,并给出了算法的具体实现该算法可缝合多裁剪自由曲面,并对初始CAD模型中出现的裂缝、重叠等现象,以及不良的参数化边界曲线(如退化、折叠等现象)进行了相应的修补程序测试表明,该算法稳定、快速最后给出两个实例及相关数
The present state of research and development of textile composite was introduced, and the stitched/RTM composite and it s advantages were described.
本文简要介绍了纺织复合材料及其计算分析的研发现状,指出了缝合/RTM复合材料及其应用上的优越性,提出了缝合/RTM复合材料计算分析的工程方法,在对相关的试验工作进行分析的基础上,得出了该方法工程可用的结论。
Arthroscopic suture fixation of tibial avulsion fracture of posterior cruciate ligament;
经关节镜缝合治疗后交叉韧带胫骨止点撕脱骨折
Suture mediated puncture closure in femoral arterial puncture management after percutaneous coronary intervention;
经皮冠状动脉介入治疗后血管缝合器应用的方法学探讨
Method of Evacuated Suture of Reducing Tension to Prevent Incision Fat Necrosis;
减张疏散缝合法预防切口脂肪液化(附158例)分析
Dynamic study of the effects of different suturing techniques on the biomechanical properties of the tendon in healing process;
肌腱愈合过程中不同缝合方法对生物力学特性影响的动态观察
Comparative study on tissue adhesive and suturing for sclerotic penetrating wound in rabbits;
医用组织黏合剂黏合兔眼巩膜穿通伤口与传统缝合的对比实验研究
As one kind of specialized VR system,Surgery Simulation System aimed at simulating all the possible interactions during a real operation,which include cutting and suturing.
作为一个特殊的VR系统 ,手术仿真系统要求能够对手术过程中的切割和缝合进行模拟 ,本文提出了一种基于局部处理的软组织切割算法 ,可以较好地完成对于以四面体作为基元的有限元模型的实时切割任务。