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NUMERICAL SIMULATION OF FLOWS IN LAKE BIWA BY MEANS OF A THREE-DIMENSIONAL MATHEMATICAL MODEL

By 義朗 岩佐, 和也 井上, 樹坤 劉 and 徹 阿部

Abstract

The objective of this study is to establish a three-dimensional mathematical model to simulatethe lake currents in Lake Biwa. Under the assumption of a hydrostatic pressure distribution, three flow equations and the diffusion equation accounting for the density variation due to watertemperature are transformed into a system of finite difference equations in the three-dimensionalmesh space. The validity of the numerical method is examined by a case study. Further ex-aminations of the computational processes are necessary for the flow cases during the stratificationor destratification periods.The objective of this study is to establish a three-dimensional mathematical model to simulatethe lake currents in Lake Biwa. Under the assumption of a hydrostatic pressure distribution,three flow equations and the diffusion equation accounting for the density variation due to watertemperature are transformed into a system of finite difference equations in the three-dimensionalmesh space. The validity of the numerical method is examined by a case study. Further ex-aminations of the computational processes are necessary for the flow cases during the stratificationor destratification periods

Topics: 452.93
Publisher: Disaster Prevention Research Institute Kyoto University
Year: 1983
OAI identifier: oai:repository.kulib.kyoto-u.ac.jp:2433/70593
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