【摘要】：世界發(fā)展日新月異,能源的重要性越來(lái)越明顯,而石油在能源中有著舉足輕重的地位。陸地上的石油資源接近枯竭,人們已經(jīng)逐漸把目光轉(zhuǎn)向資源極為豐富的海洋。在海洋中的石油開采相對(duì)陸地來(lái)說(shuō)要困難很多,對(duì)于海洋結(jié)構(gòu)物的要求也更加嚴(yán)格。無(wú)論是國(guó)際間的石油運(yùn)輸,還是開采之后的運(yùn)輸,油輪在這個(gè)環(huán)節(jié)起著至關(guān)重要的作用。為保證船舶的正常工作及自存工況下的安全性,研究油輪在惡劣的海洋環(huán)境中的運(yùn)動(dòng)狀態(tài)以及系泊纜張力響應(yīng)都極為重要。在ANSYS-AQWA軟件下,初步研究油輪的相關(guān)的水動(dòng)力性能是必要的。首先是在軟件水動(dòng)力頻域分析中,計(jì)算船舶的各種水動(dòng)力參數(shù),包括附加質(zhì)量、阻尼,一階和二階波浪力響應(yīng)以及船舶運(yùn)動(dòng)響應(yīng)傳遞函數(shù)等。頻域下計(jì)算的相關(guān)參數(shù)結(jié)果為后續(xù)船舶的時(shí)域分析提供了數(shù)據(jù)支持。利用頻域分析模塊計(jì)算結(jié)構(gòu)彎矩、剪力的功能,采用設(shè)計(jì)波法,計(jì)算出使得船舶處于典型危險(xiǎn)工況下的設(shè)計(jì)波參數(shù),包括設(shè)計(jì)波的頻率、浪向、相位等,從而可以得到水壓力分布情況,進(jìn)一步的為油輪強(qiáng)度分析做準(zhǔn)備。根據(jù)頻域計(jì)算的參數(shù)結(jié)果進(jìn)行時(shí)域耦合分析。根據(jù)相關(guān)規(guī)范要求設(shè)計(jì)船舶系泊系統(tǒng),初始設(shè)計(jì)方案為8根對(duì)稱布置的懸鏈?zhǔn)较挡蠢|。考慮系泊纜的屬性,對(duì)系泊系統(tǒng)和油輪運(yùn)動(dòng)耦合進(jìn)行分析,計(jì)算出油輪在惡劣的自存海況下的運(yùn)動(dòng)響應(yīng)和系泊纜張力響應(yīng)并評(píng)估系泊纜的強(qiáng)度和系泊系統(tǒng)的定位能力是否符合要求。
[Abstract]:With the rapid development of the world, the importance of energy is becoming more and more obvious, and oil plays an important role in energy. Land oil resources are nearly exhausted, people have gradually turned to the extremely rich resources of the sea. The exploitation of oil in the sea is much more difficult than on land, and the requirements for marine structures are more stringent. Oil tankers play a vital role in both international oil transportation and after exploitation. In order to ensure the safety of ships in normal operation and self-storage conditions, it is very important to study the motion state of oil tankers in the harsh marine environment and the mooring cable tension response. Under ANSYS-AQWA software, it is necessary to study the hydrodynamic performance of tankers. Firstly, in the software hydrodynamic frequency domain analysis, various hydrodynamic parameters are calculated, including additional mass, damping, first and second order wave force response and ship motion response transfer function. The related parameters calculated in frequency domain provide data support for time domain analysis of subsequent ships. Using frequency domain analysis module to calculate the function of structural bending moment and shear force, the design wave parameters, including frequency, wave direction, phase and so on, are calculated by using design wave method. Thus, the distribution of water pressure can be obtained and further preparation for the strength analysis of oil tankers. The time domain coupling analysis is carried out according to the parameters calculated in frequency domain. The ship mooring system is designed according to the requirements of relevant codes. The initial design scheme is eight sling mooring cables with symmetrical arrangement. Considering the properties of mooring cable, the coupling of mooring system and tanker motion is analyzed. The motion response and mooring tension response of oil tankers under severe self-stored sea conditions are calculated and the strength of mooring cables and the positioning capability of mooring systems are evaluated.
【學(xué)位授予單位】：大連海事大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：U674.133.1

【參考文獻(xiàn)】

相關(guān)期刊論文 前1條

1 陳鵬;馬駿;黃進(jìn)浩;李艷青;薛慶雨;;基于AQWA的半潛式平臺(tái)水動(dòng)力分析及系泊性能計(jì)算分析[J];船海工程;2013年03期

相關(guān)碩士學(xué)位論文 前3條

1 崔毅;張力腿平臺(tái)低頻線性波浪載荷及響應(yīng)研究[D];天津大學(xué);2003年

2 郝佳姝;鉸接塔平臺(tái)的動(dòng)力響應(yīng)分析[D];哈爾濱工程大學(xué);2008年

3 徐增輝;船舶滯留與安全檢查缺陷的灰色關(guān)聯(lián)度研究[D];大連海事大學(xué);2009年

，

本文編號(hào)：2271591