• Title/Summary/Keyword: TVD-McCormack 기법

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Application of TVD-McCormack Scheme to Analysis of Dam-Break Problems (댐붕괴 문제의 해석에 관한 TVD-McCormack기법의 적용)

  • Lee, Jong-Kyu;Kim, Tae-Kwan
    • Journal of Korea Water Resources Association
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    • v.36 no.3 s.134
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    • pp.365-374
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    • 2003
  • This is a study on application of a TVD-Mccormack scheme for the computation of one-dimensional dam-break flows. The TVD scheme not only has the ability to damp out oscillations, but also does not contain terms with adjustable parameters. Moreover, the TVD-McCormack scheme does not cause any additional difficulty when dealing with the source term of the equation and retains second-order accuracy in both space and time. In this study, by appropriately designing the limiter functions, the TVD property can be achieved, and numerical oscillations near a jump discontinuities can be eliminated or reduced. Also, this numerical scheme has less computational errors when the direction of the predictor-corrector step is in the same direction as the shock wane propagation.