Physically driven fabric water content simulation visualization method based on PCISPH

A water content and fabric technology, applied in design optimization/simulation, image data processing, electrical digital data processing, etc., can solve problems such as poor versatility, low computational efficiency, and non-compliance with objective physical laws.

Pending Publication Date: 2020-08-21
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] The purpose of the present invention is to overcome the deficiencies of the existing methods, such as poor versatility, inconformity with objective physical laws, and low calculation efficiency, aiming at the wetting, wicking, and diffusion of microscopic-scale liquids and three-dimensional fabrics with different structures and physical properties. Carry out simulation calculations with the transmission process, and visualize the fabric water content results

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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  • Physically driven fabric water content simulation visualization method based on PCISPH
  • Physically driven fabric water content simulation visualization method based on PCISPH
  • Physically driven fabric water content simulation visualization method based on PCISPH

Examples

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Embodiment

[0121] This embodiment provides a method for simulation and visualization of fabric water content driven by physics based on PCISPH, constructs a cotton fabric model, and simulates the diffusion process of microscopic liquid on the cotton fabric model. The visual flow chart of the fabric water content simulation is as follows: figure 1 shown. According to the physical properties of the cotton cloth, set the yarn structure parameters, flying thread structure parameters, overall fabric parameters and fabric structure parameters; next, perform fabric modeling according to the set fabric structure parameters to obtain the cotton fabric model; then, according to the water quality , density and other physical properties to solve the liquid particle dynamics equation; then according to the water drop height, temperature and other factors, simulate the interaction process between the liquid and the fabric; calculate the force of the liquid particles according to the interaction proces...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Abstract

The invention discloses a physically driven fabric water content simulation visualization method based on PCISPH. The method comprises the following steps: setting fabric structure parameters; performing fabric modeling according to the fabric structure parameters; solving a liquid particle kinetic equation; simulating and calculating an interaction process of the liquid on the surface of the fabric; calculating the stress condition of the liquid particles according to the interaction process; and performing result visualization according to simulation calculation. From the perspective of themicrocosmic liquid, the diffusion process of the microcosmic liquid on the fabric is visualized through simulation calculation mainly aiming at the wetting, wicking, diffusion and transmission processes when the liquid is in contact with the fabric with different physical structures and different physical properties.

Description

technical field [0001] The present invention relates to the simulation calculation of wetting and absorption of fabrics with microscopic liquids and different physical structures and the visualization of fabric water content, in particular to fabrics driven by physics based on PCISPH (Predictive-Corrective Incompressible Smoothed Particle Hydrodynamics Method, Predictive-Corrective Incompressible Smoothed Particle Hydrodynamics Method) A visualization method for water content simulation. Background technique [0002] At present, the simulation methods of liquid-fabric interaction mainly include methods based on particle-mesh interaction, methods based on full particles and methods based on surface rendering. [0003] The method based on particle-mesh interaction uses the smooth particle hydrodynamic method to simulate the liquid, and constructs the fabric as a three-dimensional model, while the interaction between the particles and the fabric is based on the triangular mesh ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/20G06T17/20
CPCG06F30/20G06F2113/12G06F2119/14G06T17/20
Inventor 毛爱华董文博罗洁
Owner SOUTH CHINA UNIV OF TECH
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