| 研究生: |
吳鎧翔 Wu, Kai-Hsiang |
|---|---|
| 論文名稱: |
兩棲船塢運輸艦裝載登陸艇過程之俯仰運動探討 Discussion of the pitch motion during the loading of the landing craft on the LPD flooded well dock |
| 指導教授: |
林忠宏
Lin, Chung-Hung |
| 學位類別: |
碩士 Master |
| 系所名稱: |
工學院 - 系統及船舶機電工程學系 Department of Systems and Naval Mechatronic Engineering |
| 論文出版年: | 2021 |
| 畢業學年度: | 109 |
| 語文別: | 中文 |
| 論文頁數: | 66 |
| 中文關鍵詞: | 兩棲船塢運輸艦 、響應振幅運算子 、ANSYS AQWA 、俯仰運動 、裝載甲板 |
| 外文關鍵詞: | amphibious transport(LPD), response amplitude operator(RAO), ANSYS AQWA, pitch motion, well dock |
| 相關次數: | 點閱:152 下載:25 |
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因應我國國艦國造政策各式作戰艦艇的研究與發展,考究國內並未有相關關於兩棲船塢運輸艦的相關研究資料,參考國外學者的相關著作並就現階段能夠使用的實驗設備來取得可能發生之現象。本研究置重點在探討關於兩棲船塢運輸艦在裝載的過程中裝載甲板內可能會產生的流場現象,使用現有船模加裝裝載甲板(裝載艙),並利用成大水槽的造波(規則波)功能,除了研究在船塢運輸艦(以下稱母船)停止的狀況下執行裝載登陸小艇(以下稱子船)作業,可能受到波浪的俯仰運動響應,另藉由實驗數據來比對ANSYS AQWA數值模擬軟體,探討運動模擬的可行性。
資料取得係利用陀螺儀及影像辨識方法讀取船模運動資料,並且比對母船與子船的相對位置互相產生的響應振幅運算子(Response Amplitude Operator, RAO),並且探討裝載甲板內的波浪運動情況。
整體研究共分三個部分:船體運動實驗設計、運動模擬分析方法、實驗數據分析及比較實驗與模擬數值之差異,藉由上述研究,來開啟我國有關兩棲船塢運輸艦運動耦合運動響應之先河。
第一部分在於參考國內外兩棲船塢運輸艦,並尋找相似比例之船舶改裝船尾部分的裝載甲板,並設計兩種小艇來分別實驗比較在各個位置的運動響應狀況。
第二部分將設計實驗的變因,使用ANSYS AQWA數值模擬軟體,對於本研究設計的各項操控變因進行數據模擬。
第三部分觀察裝載甲板的現象並且與模擬數據比對,辨識其差異性及軟體模擬的差異與趨勢,藉此提供未來在執行相似之實驗或設計時,可能發生的問題。
關鍵字:兩棲船塢運輸艦、響應振幅運算子、ANSYS AQWA、俯仰運動、裝載甲板
In response to the research and development of Taiwan’s naval buildup requirements and the country’s shipbuilding industry capacities, there is currently no relevant research data available on LPD flooded well docks in Taiwan. Therefore, foreign scholars’ papers will be studied and referred in order to simulate the flooded well dock phenomenon in this paper.
The focus of this study is to explore the flow field phenomenon that may be generated by the well dock of the LPD during the loading process. The experiment consists of using the existing ship model to install the well dock and the towing tank’s wave-making function. In addition, the pitch motion during the loading craft in the flooded well dock and the motion data will be analyzed using ANSYS AQWA numerical simulation software.
The wave motion in the well dock phenomenon will be further examined using the gyroscope and image recognition method. These two methods will collect the ship model’s motion data and the response amplitude operator (RAO) generated by the relative position of the LPD and the craft models will be compared.
This study is divided into three parts. In the first part, by researching the LPD in different countries, an experiment is designed to compare the ship motion in three cases with two kinds of crafts in two positions. The second part is to carry out data simulation for the various control variables by utilizing the ANSYS AQWA numerical simulation software. The third part consists of the observation of the phenomenon of the well dock and comparing it with the simulation data with the focus on identifying the differences and trends, and finally raising issues that may occur when similar experiments or designs are executed in the future.
Key words: amphibious transport(LPD)、response amplitude operator(RAO)、ANSYS AQWA、pitch motion、well dock
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