雨水下水道數值模式與驗證

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Title:	雨水下水道數值模式與驗證
Other Titles:	Verification of a numerical model for storm-drainage system
Authors:	林家民;Lin, Jia-Min
Contributors:	淡江大學水資源及環境工程學系碩士班許中杰
Keywords:	普里斯曼隱性差分;聖凡南假設;數值雙掃法;Preissmann's Scheme;Double-Sweep Method
Date:	2016
Issue Date:	2017-08-24 23:54:17 (UTC+8)
Abstract:	本研究應用一維性非恆態流水理模式以普里斯曼隱性差分技巧(Preissmann''s Scheme)及聖凡南假設(Saint Venant Hypotheses)推導連續方程式及動量方程式，並以數值雙掃法求解。上、下游邊界條件為設計入流歷線及潮汐水位歷線，並假設一基底流量。假設恆態流情況下，各管渠內之初始水深由上、下游邊界條件及基底流量使用標準步推法(Standard-Step Method)求得。本模式主要模擬馬蹄型管之明渠流水理現象並以實驗結果驗證實驗之各項參數及其正確性、可靠性。 This research apply Preissmann''s scheme and Double-Sweep Method to establish a model to solve Continuity Equation and Momentum Equation according to Saint Venant Hypotheses. The upstream boundary condition assumed to be designed discharge hydrograph, and the downstream boundary condition assumed to be water stage hydrograph of tidal. The base discharge at each channel is assumed with a small discharge. Assumed the flow is steady, the initial depth of this model involves downstream boundary condition effect and is derived from downstream end using Standard-Step Method. This model mainly to simulate the horseshoe -shaped tube of open channel flow and base on the experiment result to prove the validity and accuracy of each parameter can be tested.
Appears in Collections:	[Graduate Institute & Department of Water Resources and Environmental Engineering] Thesis

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