Numerical Approximation of Nonlinear Klein-Gordon Equation Using an Element-Free Approach

Dong-mei Huang, Guo-liang Zou and L. W. Zhang

Mathematical Problems in Engineering, 2015, vol. 2015, 1-11

Abstract:

Numerical approximation of nonlinear Klein-Gordon (KG) equation with quadratic and cubic nonlinearity is performed using the element-free improved moving least squares Ritz (IMLS-Ritz) method. A regular arrangement of nodes is employed in this study for the numerical integration to compute the system equation. A functional formulation for the KG equation is established and discretized by the Ritz minimization procedure. Newmark’s integration scheme combined with an iterative technique is applied to the resulting nonlinear system equations. The effectiveness and efficiency of the IMLS-Ritz method for the KG equation have been testified through convergence analyses and comparison study between the present results and the exact solutions.

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:548905

DOI: 10.1155/2015/548905

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