Definition of Mass Spring Parameters for Knitted Fabric Simulation Using the Imperialist Competitive Algorithm

Mozafary, V.; Payvandy, P.

doi:10.5604/12303666.1227884

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Tytuł artykułu

Definition of Mass Spring Parameters for Knitted Fabric Simulation Using the Imperialist Competitive Algorithm

Autorzy

Mozafary V. , Payvandy P.

Treść / Zawartość

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DOI

10.5604/12303666.1227884

Warianty tytułu

Określenie parametrów masowo sprężystych dla symulacji struktur dzianych przy zastosowaniu imperialistycznego algorytmu konkurencji

Języki publikacji

Abstrakty

The 3D simulation of fabrics is an interesting issue in many fields, such as computer engineering, textile engineering, cloth design and so on. Several methods have been presented for fabric simulation. The mass spring model, a typical physically-based method, is one of the methods for fabric simulation which is widely considered by researchers due to rapid simulation and being more consistent with reality. The aim of this paper is the optimization of mass spring parameters in the simulation of the drape behaviour of knitted fabric using the Imperialist Competitive Algorithm. First a mass spring model is proposed to simulate the drape behavior of knitted fabric. Then in order to reduce the error value between the simulated and actual result (reducing the simulation error value), parameters of the mass spring model such as the stiffness coefficient, damping coefficient, elongation rate, topology and natural length of the spring are optimized using the Imperialist Competitive Algorithm (ICA). The ICA parameters are specified using the Taguchi Design of Experiment. Finally fabrics drape shapes are simulated in other situations and compared with their actual results to validate the model parameters. Results show that the optimized model is able to predict the drape behavior of knitted fabric with an error value of 2.4 percent.

Celem niniejszej pracy jest optymalizacja parametrów masowo-sprężystych w symulacji układalności struktur dzianych przy wykorzystaniu imperialistycznego algorytmu konkurencji. Zaproponowano model mas i sprężyn symulujących zachowanie dzianin. Następnie, dla polepszenia korelacji pomiędzy strukturami teoretycznymi a rzeczywistymi, określone parametry modelu, takie jak: współczynnik sztywności, współczynnik tłumienia, wydłużenie, topologia i naturalna długości sprężyny zoptymalizowano posługując się imperialistycznym algorytmem konkurencji (ICA). Parametry określono przy użyciu planowania eksperymentu metodą Taguchi. Przedstawiono i porównano symulacje układalności z rzeczywistą układalnością dzianin. Stwierdzono, że opracowany model pozwala na przewidywanie układalności dzianin z dokładnością do 2,4%.

Słowa kluczowe

mass spring model knitted fabric fabric drape behavior Taguchi method Imperialist Competitive Algorithm ICA

parametry masowo-sprężyste dzianina tkanina metoda Taguchi imperialistyczny algorytm konkurencji ICA

Wydawca

Sieć Badawcza Łukasiewicz - Łódzki Instytut Technologiczny

Czasopismo

Fibres & Textiles in Eastern Europe

Rocznik

2017

Tom

Vol. 25, no. 1 (121)

Strony

65--74

Opis fizyczny

Bibliogr. 36 poz., rys., tab.

Twórcy

autor

Mozafary V.

v.mozafary@stu.yazd.ac.ir

Yazd University, Textile Engineering, Yazd, Iran

autor

Payvandy P.

peivandi@yazd.ac.ir

Yazd University, Textile Engineering, Yazd, Iran

Bibliografia

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Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).

Typ dokumentu

Bibliografia

Identyfikator YADDA

bwmeta1.element.baztech-7613bff7-fe30-44dd-b5b3-d65597734d3a