【摘要】：隨著海洋能的開發(fā)與利用逐漸由近海向深海邁進,漂浮式海洋能裝置的應(yīng)用將更加廣泛。海洋能裝置載體平臺上的載荷形式與傳統(tǒng)海洋工程平臺有較大的不同,針對漂浮式海洋能裝置的耦合運動進行分析并開發(fā)形成耦合運動分析軟件,對于海洋能裝置的設(shè)計與分析具有重要意義。本文首先回顧了哈爾濱工程大學(xué)海洋可再生能源研究所針對漂浮式海洋能裝置的研究歷程,總結(jié)了漂浮式海洋能裝置耦合運動的研究方法和經(jīng)驗,在此基礎(chǔ)上提出了耦合運動軟件的研究與設(shè)計。在載體平臺運動分析中,針對簡單形式的海洋能裝置載體平臺的運動和載荷進行分析,基于勢流理論推導(dǎo)了基本方程,研究了載體平臺頻域水動力系數(shù)及波浪載荷,基于發(fā)展的程序,給出了載體平臺附加質(zhì)量系數(shù)和阻尼系數(shù)的計算結(jié)果,并與文獻進行了對比。載體平臺時域運動計算采用間接時域法基本原理,將頻域水動力系數(shù)轉(zhuǎn)換為時域水動力系數(shù),然后對時域運動方程進行數(shù)值求解�；诎l(fā)展的水動力系數(shù)轉(zhuǎn)換程序和時域運動計算程序,研究了簡單模型的運動,并將計算結(jié)果與AQWA軟件的計算結(jié)果進行了對比驗證。在海洋能裝置系纜系統(tǒng)分析中,選擇錨鏈為研究對象,靜力分析采用了懸鏈線方程,動力分析使用全矢量形式重新推導(dǎo)了三維集中質(zhì)量法的基本原理,生成了錨鏈靜態(tài)計算程序和動態(tài)計算程序。靜態(tài)計算程序和動態(tài)計算程序都通過實際模型的計算,與并與文獻中的數(shù)據(jù)進行了對比。在海洋能裝置耦合運動分析和計算中,使用耦合計算程序針對不同的海洋能平臺及其系纜系統(tǒng)進行了耦合運動分析,給出了載體平臺的運動響應(yīng)以及系纜系統(tǒng)受力情況的分析。本文的核心是耦合運動分析軟件設(shè)計,闡述了軟件設(shè)計涉及到的方法和工具,進行了軟件的概要設(shè)計和詳細設(shè)計,生成了對用戶友好的圖形用戶界面。軟件的數(shù)值計算模塊采用了 C++程序設(shè)計語言,使用了 Eigen和Boost程序庫。軟件的圖形用戶界面采用C#程序設(shè)計語言和WPF生成,具有3D圖形顯示功能,具有計算數(shù)據(jù)實時更新功能。軟件的計算分析模塊和圖形用戶界面分屬不同進程,采用socket編程進行進程間通信。最后針對不同算例,對軟件功能進行了測試。本文還總結(jié)了現(xiàn)有軟件各個模塊的不足,為各個模塊的功能拓展與性能優(yōu)化提出了建議,為軟件的進一步發(fā)展給出了方向。
[Abstract]:With the development and utilization of oceanic energy from offshore to deep sea, floating oceanic energy devices will be used more widely. The load forms on the carrier platform of the oceanic energy plant are quite different from those on the traditional marine engineering platform. The coupling motion of the floating marine energy device is analyzed and a coupling motion analysis software is developed. It is of great significance for the design and analysis of oceanic energy devices. In this paper, the research process of floating marine energy devices in Harbin Engineering University is reviewed, and the research methods and experiences of coupling motion of floating marine energy devices are summarized. On this basis, the research and design of coupled motion software are proposed. In the motion analysis of carrier platform, the motion and load of carrier platform in simple form of oceanic energy device are analyzed. Based on the potential flow theory, the basic equation is derived, and the hydrodynamic coefficient and wave load in frequency domain of carrier platform are studied. Based on the developed program, the calculation results of the additional mass coefficient and damping coefficient of the carrier platform are given and compared with the literature. The basic principle of indirect time-domain method is used to calculate the time-domain motion of the carrier platform. The frequency-domain hydrodynamic coefficient is converted into the time-domain hydrodynamic coefficient, and then the time-domain motion equation is solved numerically. Based on the developed hydrodynamic coefficient conversion program and the time-domain motion calculation program, the motion of the simple model is studied, and the calculated results are compared with those of AQWA software. In the analysis of mooring cable system of marine energy device, the anchor chain is chosen as the research object, the catenary equation is used in static analysis, and the basic principle of three-dimensional lumped mass method is rededuced by using full vector form in dynamic analysis. Static calculation program and dynamic calculation program of anchor chain are generated. The static calculation program and the dynamic calculation program are calculated by the actual model and compared with the data in the literature. In the coupled motion analysis and calculation of marine energy equipment, coupling calculation program is used to analyze the coupling motion of different ocean energy platforms and their cable systems. The motion response of the carrier platform and the analysis of the force on the mooring system are given. The core of this paper is the design of coupled motion analysis software. The methods and tools involved in the software design are described. The outline design and detailed design of the software are carried out, and a user-friendly graphical user interface is generated. The numerical calculation module uses C programming language and Eigen and boost library. The graphical user interface of the software is generated by C # programming language and WPF. It has the function of 3D graphic display and real-time updating of computing data. The calculation and analysis module and the graphical user interface of the software belong to different processes. Socket programming is used for inter-process communication. Finally, the software function is tested for different examples. This paper also summarizes the shortcomings of the existing software modules, and puts forward some suggestions for the function expansion and performance optimization of each module, and gives the direction for the further development of the software.
【學(xué)位授予單位】：哈爾濱工程大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2016
【分類號】：P742;TP311.52

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