Journal
NUMERICAL METHODS FOR PARTIAL DIFFERENTIAL EQUATIONS
Volume 17, Issue 6, Pages 684-688Publisher
JOHN WILEY & SONS INC
DOI: 10.1002/num.1034
Keywords
linear hyperbolic equation; damped wave equation; ADI scheme; unconditionally stable; RMS errors
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We report a new unconditionally stable implicit alternating direction implicit (ADI) scheme of O(k(2) + h(2)) for the difference solution of linear hyperbolic equation u(tt) + 2 alphau(t) + beta (2)u = u(xx) + u(yy) + f(x, y, t), alpha > beta greater than or equal to 0, 0 < x, y < 1, t > 0 subject to appropriate initial and Dirichlet boundary conditions, where alpha > 0 and beta : 0 are real numbers. The resulting system of algebraic equations is solved by split method. Numerical results are provided to demonstrate the efficiency and accuracy of the method. (C) 2001 John Wiley & Sons, Inc.
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