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An efficient analytical technique for fractional partial differential equations occurring in ion acoustic waves in plasma

查看全文 作　　者：Amit [1]Goswami;Jagdev [2]Singh;Devendra [3]Kumar;Sumit [4]Gupta;[5]Sushila 高影响力作者 机构地区：[1]Department of Physics,Jagan Nath University,Jaipur 303901,Rajasthan,India;[2]Department of Mathematics,JECRC University,Jaipur 303905,Rajasthan,India;[3]Department of Mathematics,University of Rajasthan,Jaipur 302004,Rajasthan,India;[4]Department of Mathematics,Swami Keshvanand Institute of Technology,Management and Gramothan,Ramnagaria,Jaipur 302017,Rajasthan,India;[5]Department of Physics,Vivekananda Global University,Jaipur 303012,Rajasthan,India高影响力机构 出　　处：《Journal of Ocean Engineering and Science》索引2019年第4卷第2期,共15页高影响力期刊 摘　　要：In this work,we apply an efficient analytical algorithm namely homotopy perturbation Sumudu transform method(HPSTM)to find the exact and approximate solutions of linear and nonlinear time-fractional regularized long wave(RLW)equations.The RLW equations describe the nature of ion acoustic waves in plasma and shallow water waves in oceans.The derived results are very significant and imperative for explaining various physical phenomenons.The suggested method basically demonstrates how two efficient techniques,the Sumudu transform scheme and the homotopy perturbation technique can be integrated and applied to find exact and approximate solutions of linear and nonlinear time-fractional RLW equations.The nonlinear expressions can be simply managed by application of He’s polynomials.The result shows that the HPSTM is very powerful,efficient,and simple and it eliminates the round-off errors.It has been observed that the proposed technique can be widely employed to examine other real world problems. 关 键 词：Sumudu transform scheme Homotopy perturbation technique RLW equations Ion acoustic wave Shallow water waves in oceans.
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