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題 名 | 有限元素法與邊界元素法聯合運用之研究 |
---|---|
作 者 | 邱金火; 張仁德; | 書刊名 | 農業工程學報 |
卷 期 | 32:4 1986.12[民75.12] |
頁 次 | 頁45-56 |
分類號 | 443.67 |
關鍵詞 | 有限元素法; 聯合運用; 邊界元素法; |
語 文 | 中文(Chinese) |
中文摘要 | 有限元素法及邊界元素法各有其應用之優劣點,如何聯合運用兩法之優點來解流動問題及如何降低電子計算機運算所需之容量,乃是本文研究之主要目的。本文建立一聯合運用此兩種方法以解流動問題之程式架構。有限元素法部份使用八點等參數元素,求解時使用前進法(frontal method)以少計算容量。邊界元素法以二次元素方法離散以配合有限元素法。最後以一受限地下水層中,部份滿足達西定律,部份為非達西流為例,用本立建立之程式求解,結果令人滿意。 |
英文摘要 | The finite element method and the boundary element method have their relative advantages and drawbacks in their applications. How to join these two methods and how to reduce the needed capacity of computer computation are the aim of this study. In this study a program frame is developed to join these two methods to solve the flow problem. In the portion of the finite element method, the variation of a function is represented by the eight-nodded isoparametric element, and in order to reduce the needed capacity of computer computation the solution is solved by using the frontal method. in order to match with the finite element method, the variation of a function of the portion of the boundary element method was discretizated by the quadratic element. Finally, an example of confined groundwater flow which partially satisfies the Darcy law and partially satisfies the non-Darcy law is performed by the developed program. The result of this example is satisfactory. |
本系統中英文摘要資訊取自各篇刊載內容。