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Heat Transfer Research
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ISSN Imprimir: 1064-2285
ISSN On-line: 2162-6561

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Heat Transfer Research

DOI: 10.1615/HeatTransRes.2013005645
pages 409-415

VARIATIONAL ITERATION METHOD FOR SUBDIFFUSION EQUATIONS WITH THE RIEMANN−LIOUVILLE DERIVATIVES

Ming-Bo Wei
School of Economics and Management, Southwest University of Science and Technology, Mianyang 621010, China
Guo-Cheng Wu
Key Laboratory of Numerical Simulation of Sichuan Province, Neijiang Normal University, 641112, China; College of Water Resources and Hydropower, Sichuan University, 610065, China

RESUMO

The anomalous dynamics is frequently met in the processes that develop through disordered media, and the fractional calculus approach is an efficient tool to model such phenomena and find adequate solutions. This communication considers the application of the variational iteration method (VIM) to the solution of subdiffusion equations with the Riemann−Liouville derivatives. The main efforts are oriented toward the correct determination of Lagrange multipliers of the method, and the solutions of the subdiffusion equation are obtained efficiently.


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