نتایج جستجو برای: Variable coefficient

تعداد نتایج: 417489  

Journal: :computational methods for differential equations 0
manjit singh yadavindra college of engineering, punjabi university guru kashi campus, talwandi sabo r.k. gupta central university of punjab, bathinda, punjab, india.

based on symbolic manipulation program maple and using riccati equation mapping method several explicit exact solutions including kink, soliton-like, periodic and rational solutions are obtained for (2+1)-dimensional variable coefficient broer--kaup system in quite a straightforward manner. the known solutions of riccati equation are used to construct new solutions for variable coefficient broe...

2014
MINGCHAO CAI ANDY NONAKA BOYCE E. GRIFFITH

We investigate several robust preconditioners for solving the saddle-point linear systems that arise from spatial discretization of unsteady and steady variable-coefficient Stokes equations on a uniform staggered grid. Building on the success of using the classical projection method as a preconditioner for the coupled velocity-pressure system [B. E. Griffith, J. Comp. Phys., 228 (2009), pp. 756...

Journal: :Communications in Computational Physics 2014

Journal: :Journal of Korea Water Resources Association 2004

Journal: :Journal of Multivariate Analysis 2017

Based on symbolic manipulation program Maple and using Riccati equation mapping method several explicit exact solutions including kink, soliton-like, periodic and rational solutions are obtained for (2+1)-dimensional variable coefficient Broer-Kaup system in quite a straightforward manner. The known solutions of Riccati equation are used to construct new solutions for variable coefficient Broer...

Journal: :SIAM J. Scientific Computing 1998
Michael Jung Ulrich Rüde

SUMMARY Implicit extrapolation methods for the solution of partial diierential equations are based on applying the extrapolation principle indirectly. Multigrid tau-extrapolation is a special case of this idea. In the context of multilevel nite element methods, an algorithm of this type can be used to raise the approximation order, even when the meshes are nonuniform or locally reened. Here pre...

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