• 沒有找到結果。

五、 垂向二維地下水流數值模式模擬與驗證

6.2 建議

1. 本研究方法目前僅應用於拘限含水層之模擬,但搭配徐昇氏網格 之模擬方式並非僅可應用於此,建議後續研究可以擴充至非拘限 含水層、未飽和問題等模擬。

2. 本數值模式內已經建立 Rana A. Fine(1973)提出之水流密度計算公 式,可以同時針對壓力與溫度計算對應的水流密度,然目前僅針 對水流議題進行探討,故僅固定為攝氏 20 ,建議未來可以搭配 熱流模式,使得水流密度亦可隨模擬溫度而變化。

oC

3. 土壤壓密係數 是用以呈現土體隨壓力變化之壓縮性參數,本研 究目前均設定為 0,建議未來可透過實驗或其他方法,進一步檢驗 各類土壤之係數

α/

α/

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附錄 土壤壓密係數與傳統方法之關聯推導

式 A-6 為本模式描述控制體積內蓄水質量之方程式,其中 代表

層因應壓力水頭變化,土體與水體因壓縮或膨脹所釋放出的水量,式

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