發(fā)布時(shí)間：2018-01-09 11:35

  本文關(guān)鍵詞：新型深水復(fù)合式錨泊線動(dòng)力特性分析　出處：《哈爾濱工程大學(xué)學(xué)報(bào)》2017年01期 　論文類型：期刊論文

  更多相關(guān)文章： 復(fù)合式錨泊系統(tǒng) 集中質(zhì)量法 動(dòng)力學(xué)模型 動(dòng)剛度特性 合成纖維纜

【摘要】：通過對(duì)工作水深為1 500 m的新型復(fù)合式錨泊線進(jìn)行動(dòng)剛度和動(dòng)張力計(jì)算,并與靜剛度下計(jì)算結(jié)果比較,說明了在合成纖維纜的數(shù)值計(jì)算中考慮其動(dòng)剛度特性的必要性;傳統(tǒng)動(dòng)剛度計(jì)算中將整條纖維纜作為直線考慮,假定纖維纜上應(yīng)力和應(yīng)變處處相同,不考慮纖維纜自身重量,且忽略流體動(dòng)力的作用,這些假設(shè)和忽略降低了計(jì)算精度,且無法適用于不均勻纜和復(fù)合式錨泊線的計(jì)算;基于集中質(zhì)量法建立了復(fù)合錨泊線的動(dòng)力學(xué)模型,提出基于統(tǒng)計(jì)的方法計(jì)算合成纖維纜各纜段的平均張力,采用分段動(dòng)剛度的方法通過迭代求解各纜段上的動(dòng)剛度和動(dòng)張力,并考慮了自身重量、流體動(dòng)力和海流的影響。
[Abstract]:The dynamic stiffness and dynamic tension of a new composite mooring line with a working depth of 1 500 m are calculated and compared with the calculated results under static stiffness. It is necessary to consider the dynamic stiffness of synthetic fiber cable in numerical calculation. In the traditional calculation of dynamic stiffness, the whole fiber cable is considered as a straight line. It is assumed that the stress and strain on the fiber cable are the same everywhere, the weight of the fiber cable is not considered, and the effect of hydrodynamic force is ignored. These assumptions and neglects reduce the accuracy of calculation and can not be applied to the calculation of non-uniform cable and compound mooring line. Based on the lumped mass method, the dynamic model of composite mooring line is established, and the statistical method is proposed to calculate the average tension of each segment of synthetic fiber cable. The piecewise dynamic stiffness method is used to solve the dynamic stiffness and tension of each cable segment iteratively, and the effects of its own weight, hydrodynamic force and current are considered.
【作者單位】： 大連海事大學(xué)航海動(dòng)態(tài)仿真和控制實(shí)驗(yàn)室;
【基金】：國(guó)家863基金項(xiàng)目(2015AA016404) 交通部應(yīng)用基礎(chǔ)研究項(xiàng)目(2014329225370) 中央高�；�本科研業(yè)務(wù)費(fèi)專項(xiàng)資金項(xiàng)目(3132016310)
【分類號(hào)】：P751;TE951
【正文快照】： 網(wǎng)絡(luò)出版地址:http://www.cnki.net/kcms/detail/23.1390.u.20161212.1631.028.html隨著科學(xué)技術(shù)的發(fā)展和人類對(duì)油氣資源的需求不斷增加,海洋油氣資源的開發(fā)逐漸向深水延伸,海洋浮式結(jié)構(gòu)物的定位技術(shù)面臨巨大的挑戰(zhàn)。傳統(tǒng)的懸鏈?zhǔn)藉^泊系統(tǒng)通常采用三段浮容重、剛度和長(zhǎng)度均不，

本文編號(hào)：1401253