Title
Modeling of biological population problems using the element-free kp-Ritz method
Abstract
A degenerate parabolic equation arising in the spatial diffusion of biological population is analyzed using the mesh-free kp-Ritz method. The mesh-free kernel particle estimate is employed to approximate the 2D displacement field. A system of discrete equations is obtained through application of the Ritz minimization procedure to the energy expressions. To validate the accuracy of the results and stability of the present method, convergence studies were carried out based on influences of support size and number of nodes. Effectiveness of the mesh-free kp-Ritz method for biological population model is investigated by numerical examples in this paper. The present results were compared with results reported in extant literature and were found to be in good agreement with the literature.
Year
DOI
Venue
2014
10.1016/j.amc.2013.11.033
Applied Mathematics and Computation
Keywords
Field
DocType
biological population,mesh-free kernel particle estimate,present result,extant literature,mesh-free kp-ritz method,biological population model,present method,discrete equation,convergence study,biological population problem,element-free kp-ritz method,ritz minimization procedure,parabolic equation
Convergence (routing),Kernel (linear algebra),Population,Degenerate energy levels,Displacement field,Mathematical optimization,Mathematical analysis,Ritz method,Population model,Mathematics,Parabola
Journal
Volume
Issue
ISSN
227
C
0096-3003
Citations 
PageRank 
References 
7
0.90
10
Authors
3
Name
Order
Citations
PageRank
R. J. Cheng170.90
L. W. Zhang2273.20
K. M. Liew321419.27