船體型表面 的英文怎麼說
中文拼音 [chuántǐxíngbiǎomiàn]
船體型表面
英文
molded hull surface- 船 : 名詞1. (水上的運輸工具, 船舶的通稱) boat; ship; vessels 2. (姓氏) a surname
- 體 : 體構詞成分。
- 表 : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
- 面 : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
- 表面 : surface; superficies; boundary; face; rind; sheet; skin; outside; appearance
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With the development of computer technology and free - form surface modeling, body plan description on the computer has been converted into hull surface model simulation in which more information is included so that hydrostatic properties calculation can be carried out with hull information directly
隨著計算機技術與復雜曲面造型技術的發展,計算機上的船體型線的描述,目前已發展成為三維曲面乃至三維曲面實體表達。與線框圖相比,三維圖形中包含的信息更為豐富,實現了計算機上船體模型的模擬。Second, the imaging model built here has taken into account the tilt modulation, the hydrodynamic modulation, and current modulations of radar cross section. consequently, it has realized the imaging simulation of four kinds of wakes with the same imaging model. third, the orbital velocity of ocean wave was considered as the basic dynamic factor, and the imaging model calculates the influence on raw data by the wave m ovement according to the orbital velocity
該模型的主要特點是: ( 1 )它採用了三尺度復合表面模型的思想來計算海面的電磁散射,考慮了中等尺度波對紋波的進一步調製作用,彌補了傳統雙尺度模型的不足; ( 1 )它考慮了海浪的傾斜調製作用、流體動力調製作用和流場對雷達截面的調製作用,實現了用統一的模擬模型對四種艦船尾跡特徵進行成像模擬; ( 3 )它把海面長波的軌道速度作為基本的動態成分,並依此來考慮海面運動對sar回波信號的影響。Chapter two ascertains main technological factor of dong gou lock reconstructing, including forecast the cargo and volume through the lock to reason about representative type of vessel designed for through the lock and its operation organize. chapter three design the renovate engineering through ascertaining the main technological factor scale of the lock, dimension, designed water level and altitude, including design of structure of the lock, lock chamber and lock gate, and select the main technological factor and pattern of headstock gear. chapter four draws a comprehensive compare of the two design scheme of the renovate project with engineering project economy evaluation method, and makes out the recommended scheme, and furthermore, to calculate the economic evaluation index of the recommended scheme and makes the economic sensitivity analysis of the scheme and finally demonstrate economic feasibility of the scheme
本論文共分四章:第一章主要介紹了原東溝船閘的地理位置和營運現狀,說明了船閘在航道建設和水資源綜合利用中的作用及東溝船閘改造的必要性;第二章東溝船閘改造的主要技術因素確定其中包括東溝船閘過閘貨種和貨運量發展的預測,並確定東溝船閘的設計代表船型及營運組織;第三章東溝船閘改造工程設計本章通過船閘改造工程主要技術參數:船閘規模、尺度、設計水位和高程等的確定,設計了二個船閘改造方案,包括鋼筋混凝土整體塢式閘首結構、閘室和閘門的設計,並選定了啟閉機的主要技術參數和型式;第四章採用了工程項目經濟評估方法對東溝船閘改造工程二個設計方案進行全面綜合比較后,確定了推薦方案。On the base of above work, nonlinear characteristics of hydrodynamic pressure on ship surface are studied by the means that compares the theoretical results with those of model experiments
在上述研究工作的基礎上,採用理論計算與模型試驗相結合的方式,研究了船體表面水動壓力的非線性特性。Thirdly, imposing pressure load on the wetted surface is a hard job because the pressure value is various and there is no regularity to fellow especially when the model is large. so it ' s very important to find a feasible automated loading approach that can be used in the fem analysis of ship structure
3 、由於向有限元模型施加壓力的時候,船體濕表面的壓力不盡相同,並且沒有規律可循,如果單元很多,那麼手工加載的效率就很低,本文開發了基於pcl的自動加載程序,提高了工作效率。To provide a practical tool for fatigue assessment, this approach is based on the so - called simplified fatigue analysis with the assumption that the long - term stress histogram of the hull structure follows the weibull probability distribution, the s - n curves used in the assessment and evabatbn are the basic design - n curves for non - nodal johts " issued by den ( department of energy of united kingdom ), combining with computer technology the assessment procedure is programmed, which will indicate the fatigue damage condition and degree of technical status of tanker hulls
在中國船級社( ccs ) 《船體結構疲勞強度指南》和美國船級社( abs ) simplifiedfatigueanalysis的基礎上,根據對油輪結構特點和貨載特點的分析,討論了油輪船體疲勞損傷的影響因素,討論油輪疲勞強度計算方法和計算程序,引入模糊質量評級的方法,建立油輪疲勞損傷評估模型。結合先進的計算機技術,編制出油輪疲勞分析程序,採用典型實船資料,對其疲勞狀態進行評估,結果與實際情況比較吻合,表明該程序具有一定的合理性,可作為油輪船公司評價油輪技術狀態時在疲勞損傷方面的參考。The prediction of propeller - induced hull pressure fluctuation in non - uniform flow is studied by using theoretical calculation and model experiment systematically. an intact method and computer program for the prediction of unsteady cavitating propeller - induced hull pressure fluctuation in non - uniform flow is set up in this paper. the measurement of propeller induced hull pressure fluctuation in depressurized towing tank carried out in this paper is the first time inland
本文從理論計算和模型試驗兩個方面系統地研究了不均勻流場中螺旋槳空泡誘導的船體表面脈動壓力的預報問題,建立了一套完整的預報非定常空泡螺旋槳誘導的船體表面脈動壓力的方法和程序,並在國內首次完成了在減壓拖曳水池中進行空泡螺旋槳誘導的船體表面脈動壓力測試。Polynomial, transcendental function, new quadratic curve, b - spline and nurbs have been used in expression of hull molded line, trapezoidal method, simpson method have been used in static calculation
在船體型線的表達方面有多項式、超越函數、新二次曲線、 b樣條函數、非均勻有理b樣條函數等。To interpolate the given ship offset data, the ship - hull surface is represented successfully by nurbs. the boundary conditions computation and knots vector construction are detailed in nurbs curve and surface interpolation
本文根據船體型值表的數據,用nurbs曲面來描述完整船體曲面,對插值曲面邊界條件構造及節點矢量計算進行了研究,實現了船體曲線曲面的nurbs表達。The paper sets up mechanics model of the robot when it is immobile, or mobile, or it is effected by acclivitous - resistant devices, makes kinematics analyses, and build up the kinematics equation
建立了機器人在船體表面靜止、運動和加抗傾機構情況下的力學模型,進行了力學分析;同時還對機器人進行運動學分析,建立運動學方程。The thesis also introduces the author ' s research work including implementation of a single - chip system based synchronous - meter successfully utilized in marine engine room simulator dms - 2000 which belongs to one key " 211 project " of dlmu : " engine room simulator adopted virtual reality " ; the realization of software interface on " autochief - 4 ship main engine remote control system " ; and the designing and realization of the hardware and software of autopilot for " ship hybrid intelligent control system "
論文介紹了作者結合參加我校「 211工程」重點項目「應用虛擬現實技術的輪機模擬器」的工作,研製完成了「船舶電站並車同步表」並在dms - 2000新型船舶輪機模擬器中獲得成功應用。作者還討論了結合參加導師的科研項目所完成的「 aotochief - 4船舶柴油主機遙控系統」的模擬軟體界面和「船舶混合智能控制系統」課題中的硬軟體設計工作。The underwater ship hull cleaning robot researched in this paper belongs to the wall - climbing robot, and is supported by the heilongjiang homecoming scholar fund. it has wide application value
本文研製的水下船體表面清刷機器人是壁面移動機器人的一種類型,是結合黑龍江省歸國人員基金項目開展的,具有廣闊的應用前景。On account of the vessel traffic organizing management of changjiang yingongzhou channel section is puite representative, therefore facing to times get ahead and technology develop, according to the feature of changjiang channel vts, bringing into the newest science technology and advanced management concept, abstracting a series of full direction tridimensional monitor - control vessel traffic management mode in theory, no matter for the past time, the present or future time, it will all make good sense to marine traffic safety management from both theroretical and realistic
由於長江尹公洲水域的船舶交通組織管理十分具有代表性,因此順應時代的進步和科技的發展,根據長江水道型vts自身特點,引進最新科學技術和先進管理理念,從理論上提煉出一套全方位立體監控船舶交通管理模式,不論對過去、現在,還是將來,都會對水上交通安全管理具有理論和現實兩方面的重大指導意義。分享友人