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Pattern formation in a nonequilibrium phase transition for a generalized Burgers–Fisher equation
Q. Huanga, J. Tangb, L. Zhangb, K. Ouyangc a Yancheng Institute of Technology, Yancheng, 224051, China
b College of Mechanical and Vehicle Engineering, Hunan University, Changsha, 410082, China
c State Grid Hunan Electric Power Corporation Research Institute, Changsha, 410007, China
Abstract:
A nonequilibrium phase transition of a generalized Burgers–Fisher equation describing biological pattern formation with a periodic boundary condition is examined. In the presence of a weak external force, some approximate bifurcation solutions near a critical point and new spatially periodic patterns are obtained by using the perturbation method in an infinite-dimensional space. The result shows that the external force delays the bifurcation.
Keywords:
generalized Burgers–Fisher equation, nonequilibrium phase transition, bifurcation solution, pattern formation.
Received: 05.11.2013 Revised: 30.04.2014
Citation:
Q. Huang, J. Tang, L. Zhang, K. Ouyang, “Pattern formation in a nonequilibrium phase transition for a generalized Burgers–Fisher equation”, Prikl. Mekh. Tekh. Fiz., 57:3 (2016), 32–38; J. Appl. Mech. Tech. Phys., 57:3 (2016), 416–421
Linking options:
https://www.mathnet.ru/eng/pmtf832 https://www.mathnet.ru/eng/pmtf/v57/i3/p32
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