共查询到18条相似文献,搜索用时 757 毫秒
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为利用织物结构、力学性能参数来预测织物悬垂形态,提出利用织物悬垂性能指标对织物悬垂形态进行仿真重建的方法,建立起织物结构、力学性能参数与织物悬垂性能指标的关系。从悬垂程度和悬垂形态2个方面,提出了10个表征织物悬垂性能的指标,利用这些悬垂性能指标及MatLab语言,对织物悬垂形态进行了三维仿真重建,获得了直观的视觉仿真效果,为预测织物悬垂形态的研究提供了一种新方法。 相似文献
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织物悬垂性能预测与评价系统的设计与实现 总被引:1,自引:1,他引:0
针对现有悬垂性能测试系统与评价体系的现状与需求,研究了基于B/S结构的织物悬垂性能预测与评价系统,论述了系统的总体架构分析设计、后台数据库建立、功能算法的实现,以及系统的详细设计过程和系统实现过程等.介绍了基于自适应动量学习的BP预测算法,实现从织物规格参数到悬垂性能指标的非线性预测;以及基于FPCM的模糊聚类算法.完成织物悬垂性能的客观评价.本系统实现了纤维、纱线及织物相关性能与织物悬垂性能指标的查询,以及从已知织物组织结构参数到悬垂性能指标的预测,最终实现对悬垂性能优劣的客观全面评价. 相似文献
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棉织物悬垂性的灰色预测分析 总被引:1,自引:0,他引:1
探讨织物结构参数和力学性能对棉织物悬垂性能的影响.选择了15种典型棉织物,在试验的基础上,采用灰色关联方法,建立了棉织物结构参数和机械性能与悬垂系数的关联度模型,并对其进行排序,得出影响棉织物悬垂性能的最主要因素依次是单位面积质量、抗弯长度及表观厚度.在此基础上,运用灰色预测方法,建立了悬垂性GM(0,N)灰色预测模型,并验证其具有一定可信度. 相似文献
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织物悬垂性影响因素分析 总被引:1,自引:0,他引:1
织物面料制成服装或窗帘等家居用品后,其力学性能构成悬垂性。文章利用实验测试的方法对织物的结构参数和机械性能进行研究,分析织物结构参数和机械性能与悬垂性之间的关系。结果表明,织物的断裂伸长、纬向弯曲刚度和活络率与悬垂性能之间存在密切的关系,而织物厚度和质量对悬垂性的影响不显著。 相似文献
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本次试验通过对毛织物的结构参数进行分析,研究织物的悬垂性性能与其结构参数之间的关系,运用SPSS统计分析软件对织物的结构参数和服用性能指标的相关性作了回归分析,建立织物服用性能与结构参数之间的数学模型。结果表明:影响织物悬垂性能的结构参数依次是纱线线密度、厚度、紧度及面密度。织物悬垂性能与其结构参数的关系可用y=35.087+0.336x表示。其中y为悬垂系数,x为纱线线密度。可见纱线线密度对织物的悬垂性起了主要的作用: 相似文献
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精纺毛织物悬垂性研究 总被引:1,自引:0,他引:1
选取了19种精纺毛织物,运用KES- FB织物风格测试仪测试织物拉伸剪切性能、弯曲性能和表面性能,运用动态悬垂风格仪测试织物悬垂性指标,且进行相关分析和回归分析.结果表明:精纺毛织物的静态悬垂系数是一个很重要的悬垂性指标,与大多数悬垂性指标都呈高度正相关关系;且织物静态悬垂系数越大,则硬挺度系数也越高,织物美感系数就越高.通过回归分析得出了织物剪切性、弯曲性及拉伸线性度与静态悬垂系数之间的方程式,此方程可以用来预测精纺毛织物静态悬垂系数. 相似文献
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Magdi El Messiry 《纺织学会志》2020,111(3):416-423
AbstractThe drape is an important characteristic of textile fabrics. Several studies have been concerned with the mechanism of fabric drapability and the methods of its measurements. In this study, a new drape coefficient ‘DCM’, evaluating the shape of the fabric drape, is defined in terms of the drape projection, the shape and the number of the folds and the drape angle. The drape of fabric samples with different weft densities and weaves structures was tested. The new formula to express the drape coefficient, taking into consideration the fabric flexural rigidity, was developed. The analysis of the experimental results indicated that the modified drape coefficient is highly correlated with fabric flexure rigidity and other fabric structure properties than the other known formulas. 相似文献
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Vajiha Mozafary 《纺织学会志》2018,109(2):202-218
In this paper, a mass spring system is developed to simulate the draping behavior of knitted fabric. A new type of mesh based on loop structure, which is called Loop mesh, is introduced. The effective properties on fabric drape are measured using the Fast system, and the experimental data are incorporated into the mass spring model to simulate the draping behavior of knitted fabrics. 3D shape of real drape behavior of fabric samples is achieved using depth camera. Then in order to reduce error value between simulated and real results, distances between mass points in the Loop mesh are optimized using the Imperialistic Competitive Algorithm (ICA). In order to investigate validity and accuracy of the Loop mesh, drape behavior of knitted fabrics falling over a square table are also simulated using common meshes. It can be found that the Loop mesh produced a closest drape shape to the real fabric drape than other mesh models. Finally, fabrics drape is simulated in other situations and compared with its real result to validate the proposed model. Results show that the optimized model is able to simulate the drape behavior of knitted fabric with error value of 4.29 percent. 相似文献
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本文首先调查分析不同类型缝份部位整体弯曲性能的变化,然后着重研究在不同接缝位置、不同缝型和不同缝份宽度条件下有缝织物的悬垂性能变化及其原因。结果显示:缝份部位的抗弯长度和抗弯刚度与原织物相比有明显增加;有缝织物的悬垂系数、平均半径、硬挺系数等指标均大于无缝织物;一般缝份宽度增加,悬垂系数有稍微增大趋势;接缝的位置对悬垂性的影响与织物经纬向性能有关;抗弯长度大的缝型一般比抗弯长度小的缝型对悬垂系数影响大;试样边缘缝份会导致圆周方向的抗弯性能提高,从而使悬垂系数增加。该研究将对缝制后面料及服装造型评价及模拟具有一定的实践指导意义。 相似文献
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针对传统织物悬垂性能测试法的固有缺陷,以人体三维形态为基准,提出了一种测试自然悬垂状态下织物立体悬垂性能的新方法,研制了织物三维立体悬垂仪,并依此原理设计和制作了简易模型测量装置。提取织物的波纹数、悬垂系数、平均弯曲指数、弯曲变异指数等指标,对织物立体投影曲线进行CAD模拟分析研究结果发现:与传统伞式悬垂测试法相比,新方法所得悬垂系数与织物的悬垂性能成正相关,2种方法所测波纹数接近,相关性高达0.9,表明三维立体悬垂性能测试方法可更逼真地反映织物的真实悬垂性能与形态。由此建立的织物悬垂性能指标体系可更好地反映织物的造型能力。 相似文献
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Edge curling is a unique property of knitted fabrics which affects on fashion such as using upper and side curling in cloth design. The purpose of this research is to present a new method to simulate drape behavior of knitted fabric considering difference between single and double jersey knitted fabrics. To this point, at first the bending and torsion moments that applied on the fabric edges and caused curling in single knitted fabric are determined. Also it demonstrated that these moments will be neutralized in double knitted and as the results, leads to a non-curling structure. Then, using the mass spring model, curling shape in fabric wale and course directions are simulated. To show efficiency of the proposed model, real 3D shape of single knitted fabric is compared with experimental results. Also, using the proposed model, the drape behaviors of single and double jersey knitted fabrics hanging from two fixed corners with different properties are simulated and then extend to simulation of skirt. Results of simulation are compared with 3D shapes of actual drape behavior in fabric samples which are achieved by depth camera. The simulated results show good agreement with 3D shapes of actual fabrics. 相似文献
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以16块织物为研究对象,用KES-FB风格测试系统测试了织物的拉伸性能、剪切性能和弯曲性能,运用YG(L)811-DN织物动态悬垂风格仪测试了5个转速下各织物的悬垂系数和波纹数,通过相关分析和方差分析研究了转速对织物悬垂系数与波纹数的影响,结论如下:随转速的增加,织物悬垂系数基本呈线性增加;试样结构参数与织物悬垂系数增加率之间的相关性不明显;而经向弯曲刚度及经、纬向剪切刚度与悬垂系数增加率有显著负相关关系,转速对波纹数没有显著影响。 相似文献