Relation between Drape Coefficients and Mechanical Properties of Fabrics

determination of some physical and mechanical properties red bean

چکیده: در این تحقیق، برخی خواص فیزیکی و مکانیکی لوبیا قرمز به-صورت تابعی از محتوی رطوبت بررسی شد. نتایج نشان داد که رطوبت بر خواص فیزیکی لوبیا قرمز شامل طول، عرض، ضخامت، قطر متوسط هندسی، قطر متوسط حسابی، سطح تصویر شده، حجم، چگالی توده، تخلخل، وزن هزار دانه و زاویه ی استقرار استاتیکی در سطح احتمال 1 درصد اثر معنی داری دارد. به طوری که با افزایش رطوبت از 54/7 به 12 درصد بر پایه خشک طول، عرض، ضخام...

Intelligent Evaluation of Fabrics’ Elastic Properties from Simulated Drape Test

In this paper we propose an intelligent method for identifying several mechanical parameters of woven fabric. The mechanical fabric characterization requires several expensive experimental tests. An alternative to overcome this problem is to use an inverse identification based on simulation of drape test using the finite element method combined with a learning artificial neural networks. To do ...

Effect of Seams on Drape of Fabrics

Drape of the fabric is its ability to hang freely in graceful folds when some area of it is supported over a surface and the rest is unsupported. Drape is a unique property that allows a fabric to be bent in more than in one direction, When two-dimensional fabric are converted to three-dimensional garment form. In the present study, the effects of sewing of different seam were selected on diffe...

Mechanical Properties of Needle-Punched Fabrics in Relation to Fiber Orientation

Drape simulation of non-crimp fabrics

The draping process of non-crimp fabrics (NCF) on a doubly curved mould determines the fibre distribution and hence the processing and performance of the NCF product. A composite Finite Element (FE) model is developed to simulate the draping process of NCFs on arbitrary geometries. Tool-part interaction is taken into account. Problem regions with possible fibre buckling can be indicated and the...