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標題: 波浪作用下拋石防波堤之有限元素分析模式
Finite Element Model for Wave-Induced Force on Rubble Mound Breakwater
作者: 林群耀
關鍵字: Finite Element;有限元素;Rubble Mound Breakwater;拋石防波堤
出版社: 土木工程學系
本論文主要目的在建立波浪作用下拋石防波堤與土壤之有限元素分析模式。並以Biot’s 壓密方程式及彈性力學之力平衡方程式來控制。模式中利用波浪作用有週期性之特性,將時間變數自方程式及邊界條件中分離,並採用Galerkin’s法建立有限元素分析模式,文中海床土壤與拋石堤及壩心部份視為多孔彈性介質。

In this study, a two-dimensional finite element model will be developed to investigate wave-induced seabed response in the vicinity of a rubble mound breakwater. Based on Biot's consolidation theory and force balances in poro-elastic theory, together with Galerkin's method, the basic finite element model will be establish. In the new model, the different soil characteristics of rubble mount breakwater will be included. Based on the model, the wave-induced seabed and internal of response (including soil displacement, effective stresses, pore pressure and seepage forces) will be calculates. The effects of soil characteristics, rubble mound breakwater (including material property, width, slope, and core), wave phase and wave length on the wave-seabed-breakwater interaction problem will also be examined.
Appears in Collections:土木工程學系所

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