2012
DOI: 10.7242/1999-6691/2012.5.1.9
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Nonlinear-elastic strain of underwater pipeline in laying process

Abstract: В работе рассматриваются вопросы численного моделирования трансформации нелинейных поверхностных гравитационных волн в условиях мелководных заливов. Дискретная модель построена на основе нелинейных уравнений мелкой воды. Приведены граничные и начальные условия. Методом расщепления по физическим процессам получена система из трех уравнений. Определен порядок аппроксимации, исследованы условия устойчивости дискретной модели. Для решения системы уравнений использован метод прогонки. Представлены профили поверхнос… Show more

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Cited by 11 publications
(15 citation statements)
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“…In Fig. 4, we see the concentration of pressure at the boundary of the contact segment which is characteristic for the problems with shear [17]. The pressure is positive, and its maximum equals 14.9 × 10 3 N/m.…”
Section: Numerical Resultsmentioning
confidence: 99%
See 4 more Smart Citations
“…In Fig. 4, we see the concentration of pressure at the boundary of the contact segment which is characteristic for the problems with shear [17]. The pressure is positive, and its maximum equals 14.9 × 10 3 N/m.…”
Section: Numerical Resultsmentioning
confidence: 99%
“…The same results are also obtained using Wolfram Mathematica [9,34]. Here we apply two methods: the shooting method with the standard built-in function NDSolve and the finite difference method following the scheme described in [17]. In the finite difference method, we divide the segments into uniform steps ε = 1/N .…”
Section: Numerical Resultsmentioning
confidence: 99%
See 3 more Smart Citations