船體中性面 的英文怎麼說
中文拼音 [chuántǐzhōngxìngmiàn]
船體中性面
英文
hull neutral plane-
From the point of the roles of both the active and negative aspects of the objective rational, this article adopts the theory of law positivism and the method of law economy analysis to discuss the roles and limitation of the meaning of the intention components of causality and the ultimate aim of the objective rational, and the internal economy principles or rules of the shipping economy and trade deduced from the shipping facts and the benthamism, the most avail of the most majority nations, the maximum of the whole avail of both the ship interests and the cargo interests, and the protection and promotion of the development of the shipping economy in the legislation area of the basis of liability of the carriers
摘要從目的理性在消極方面和積極方面作用角度出發，運用法律實證主義理論和法律經濟分析方法，論述了因果方面的目的成分的意義、目的理性的終極目的，以及從航運事實和功利主義所引出的航運經濟與貿易內在經濟法則或規律，最大多數國家的最大效用、船貨雙方整體效用最大化與促進保護航運經濟發展，在承運人責任基礎立法領域中的作用與局限性。This method applies the extended strip theory to establish the nonlinear ship motion equations in regular head seas, obtains stable time course by resolving in time domain, and then pressure vectors will be available. the pressure includes static pressure, incident waves pressure, diffraction pressure, radiation pressure, and wave impact pressure, and changed with instantaneous draft of each intersection
該方法應用擴展的切片理論建立迎浪規則波中船舶非線性運動方程，通過時域步進求解獲得船舶剛體運動的穩定時歷，進而給出與船體各橫剖面瞬時吃水相對應的靜水壓力變化、入射波壓力、繞射壓力、輻射壓力和波浪沖擊壓力諸分量。When no damaged compartment, damaged stability calculation is just intact stability calculation and when waterplane is horiental, geometric properties calculation is the base of hydrostatic curves. because ship hull is a kind of typical free - form surface, it is satisfactory to be modeled with nurbs
在這種情況下，船舶靜力學性能的計算，可以突破以往計算中所必須的一些假設及簡化，而是直接通過船舶靜力學性能計算的基本原理，在船體曲面圖形上直接進行計算。This paper explores the internal laws between such port production elements as the harbor tugs " disposition, the port " s production throughput and the number and time of the arrived ships ; under the framework of " the development project of qingdao harbor in five years " by qingdao government ; through collecting large amounts of statistic data ; under the premise of scientific induction, arrangement and calculation to all of the port " s production elements which affect the regular harbor tugs " disposition, especially under the premise of much statistic analysis to the arrived ships ; on the basis of the overall analysis to the qingdao harbor " s production from 1999 to 2000 ; through the analysis to the present disposition scale of the harbor tugs and the port " s production and management. additionally it predicts the change of the port " s production elements according to the total object of the port " s development in order to work out a relatively scientific calculation method for disposing the harbor tugs scientifically as well as decreasing blindness in disposing the harbor tugs, and also make the disposition scale of the harbor tugs scientific and reasonable with each passing day so as to answer the demands of the port " s production and management along with it " s development
本文是在青島市政府關于《青島港未來五年發展規劃》的框架下，通過搜集大量的統計資料，在對青島港1999年至2000年生產全面分析的基礎上，對影響港作拖輪規模配置的港口生產各要素進行科學的歸納、整理、計算，特別是在對到港船舶的大量統計分析的前提下，通過對目前港作拖輪的配置規模與港口生產經營情況的分析，探索港作拖輪的配置與港口生產的吞吐量、到港船舶艘次數等港口生產要素間內在的規律，並根據港口發展規劃的總體目標預測未來港口生產各要素的變化情況，以期能為各港口科學合理地配置港作拖輪、減少配置港作拖輪中的盲目性提出較為科學的計算方法，使港作拖輪的配置規模日趨科學、合理，滿足港口生產經營及未來發展的需要。The calculated drafts covers the whole possible ship draft in the large amplitude motion ; secondly, the research creates and solves the ship large amplitude motion equations. on the one hand, the actual calculation takes into account the coupling between the different motion modes, on the other hand, in the process of calculation of the ship hydrodynamic coefficient, it considers the influence of the nonlinear factor. the hydrodynamic coefficient used in the calculation of froude - krylov force, diffraction force and radiation force changes instantaneously following the draft, and the hydrostatic buoyancy is computed very accurately for the instantaneous immerse hull
本文的研究分為二個部分：首先利用frank源匯法計算水動力系數，計算包括不同吃水時的附加質量和阻尼系數，吃水范圍涵蓋了船舶大幅度運動時所有可能的吃水；然後建立和求解船舶大幅度運動方程，在實際計算時一方面考慮了運動模態之間的耦合，另一方面在計算水動力時，考慮了非線性因素的影響。 froude - krylov力、輻射力、繞射力中的水動力系數隨吃水瞬時變化，靜浮力的計算精確到船體瞬時濕表面積，最後用四階龍格?庫塔方法在時域內求解船舶運動方程，並進行了載荷計算。In the process of the system study, the knowledge in the domain of ship collision avoidance is analyzed and the collision mechanism, process and the tactic are studied firstly. and then, using the fuzzy mathematics theory, the fuzzy mathematical model of judging collision risk is built, which take into account of the factors such as ship maneuverability, visibility and so on. in addition, based on the expert system theory, a design method of ship intelligent collision avoidance expert system is put forward, and the frame of ship intelligent collision avoidance expert system is built
在系統的研究過程中，首先對船舶避碰領域知識進行分析，並研究了船舶碰撞的原理、過程及對策；然後運用模糊數學理論，建立了一種評判碰撞危險度的模糊數學模型，該模型考慮了船舶的操縱性能、能見度等多種因素；接著根據專家系統理論，提出了一種船舶智能避碰專家系統的設計思路，並構建了一種船舶智能避碰專家系統的框架；最後以visualbasic6 . 0作為軟體開發平臺，設計了一種具有良好的可視化人機交互界面的船舶智能避碰專家系統軟體。In the course of developing and before application, the performance of carrier - borne aircraft illuminated guidance system under the environmental state of movement should be tested firstly, especially the performances and state measures of glide indicator, rolling indicator and gyrohorizon which offer ship ' s movement postures to carrier - borne aircraft in the illuminated guidance system, this needs to offer a artificial carrier on the land that can imitate ship ' s movement in the water. at present, simulating table only has single degree of freedom at home application to carrier - borne aircraft illuminated guidance system which need change test and measurement situation and adjust benchmark in the course of experiment
艦載機燈光引導系統作為艦載機著艦引導特輔裝置是載機艦船上不可或缺的特種裝置，是保證飛行員的生命安全和艦載機安全回收的重要手段。其在開發過程中以及正式安裝使用前，首先要通過在運動環境狀態下的性能測試，特別是燈光引導系統中為艦載機提供艦船運動姿態的下滑指示器、橫搖指示器以及陀螺地平儀的性能和狀態檢測，這就需要在陸地上為它們提供一個可模擬艦船在水面運動的載體。The second chapter studies the economy of ship ' s power plants, based on the aspects of lowering fuel cost, waste heat recovery, the match of ship, machinery and propeller, increasing propulsion efficiency, increasing the economy of ship ' s power plants, etc. the third chapter discusses in detail the control measures of voyage change cost, analysizes systematically the voyage change cost based on the way of fuel cost, harbor cost, voyage venture cost. the fourth chapter studies the structures and control measures of seafarers cost, maintenance cost, spare parts and stores cost, lubricating oil cost, etc. which are relatively easy to be controlled ; based on the state maintenance decision - making, a mathematical model is put forward, the validity and its solve process are discussed. the control measures of spare parts, fuel cost and lubricating oil cost should be based on scientific budget, through the control means of application, reception, usage, store check, try to acquire the inosculation of theory
第一章主要討論營運船舶運輸成本，對船舶運輸成本的概念、結構、性質與分攤、成本細分進行了分析，從宏觀上闡明了船舶運輸成本的生存環境和生長趨勢；第二章研究了船舶動力裝置的經濟性，在營運船舶降低油耗、廢熱利用、船機槳匹配、提高推進效率、提高船舶動力裝置經濟性的有效途徑等方面進行了闡述和論證；第三章詳細論述並論證了航次變動成本的控制措施，全面系統地分析和總結了航次變動成本，通過對燃油成本、港口使費、航次風險成本的分析與控制，提出了航次風險成本的概念並論述了若干航次風險成本的控制措施；第四章對船舶營運成本中的船員費用控制、維修保養及其費用控制、船舶備件物料管理及其費用控制等幾個主要可控性較高的成本進行了細致的分析並分別討論了相互的控制措施，提出了基於狀態維修決策的馬爾可夫數學模型並論證了模型的正確性及具體解算步驟，對于備件、燃潤物料的控制堅持以科學的預算為前提，以申領、接收、使用、盤存為控制環節，切實做到理論與實踐的密切結合；第五章，結合營運成本的預核算的案例，對船舶營運成本的預算及核算進行了有益的探討，旨在揭示成本發生的動因，並給出了成本預算、核算的編制方法。From this thesis, it can be stated that the use of observation implement and active cable can produce timely active control to ship in the wave. because active cable can enhance ship ' s ability of anti - siamming but do n ' t affect ship ' s inward capability, it should be given some attention in the application research of active control method in ship structure vibration by slamming
從本文中可以看出，將觀測器和作動器相結合可以對航行於波浪中的船舶結構振動實施適時的主動控制，並且裝上作動器不但不會影響船體本來的性能，而且可以增加其抗波浪砰擊能力，因此主動控制方法在船舶結構砰擊響應控制方面的應用和研究應該給予一定的重視。Solution of nonlinear wave loads in regular oblique seas. based on strip method, thinking about nonlinear factors such as no straight shipboard on waterline, the instantaneous variation of wet surface shape and slamming effect of ship bottom, the numerical methods of nonlinear fluid force in large amplitude oblique regular seas are discussed
關于斜浪規則波中非線性波浪載荷的計算:本文基於切片理論，考慮到船體非直舷、水下剖面形狀的瞬時變化以及砰擊等非線性因素，討論了大波幅斜浪規則波中非線性流體力的時域計算方法。( 5 ) intersecting point distribution between every cross - section of both hull and damaged compartment under arbitrary floatation and waterline with 2d offsets is given particularly. calculation of underwater geometric properties of both hull and compartment is treated as one process, the same to calculation of ship floatation, intact stability and damaged stability
（ 5 ）本文給出了基於剖面曲線的積分計算模型中任意浮態下的船體及破損艙的每個橫剖面與水線的交點分佈，並將完整船舶與破損艙室在任意浮態時水線下的要素計算、完整船舶與破損船舶的浮態計算與穩性計算分別統一為一個過程。Based on plenty of investigations and researches, the thesis developed lots of lively, vivid, visual integrative monitor and alarm interfaces with excellent interactive quality by processing graphical edit software in the integrative monitoring and alarming system. the thesis managed to make them to be an ordinal, clear and distinct system, by programming and designing as a whole, arranging and organizing systematically
疏浚模擬訓練器集中監控報警系統以國產1750m ~ 3 h絞吸式挖泥船集中監控報警系統為模擬母型，在大量調查研究基礎上，通過對各種監控數據、報警提示適當取捨、擴充，並進行總體規劃設計，經過分門別類地編排組織，採用過程圖形編輯軟體開發了大量生動、形象、直觀、交互性強的集中監控報警界面，使之組成脈絡分明、層次清晰的有序系統。In a situation that this imported product demand will also be improved further in the following several years, must optimize system this purchase, transport, load and unload, store, dredge competence of link of transporting etc., introduce the advanced idea and method on the materials supplies of expressway construction abroad, adopting more advanced modern material flow thought on the software, the pitch is provided and deliver to constructing ; develop performance excellent keeping the tank wagon warm with low costs on the hardware ; supply the barge special - purpose and in bulkly ; the special - purpose pitch shipping dock stores pot, etc. to equip, thus propose that the transport way in which our country imports the pitch is chosen, and use the economic technological demonstration method to carry on the demonstration of economic technology to these ways, therefore get our country out of and impor t the imagination of transporting way reform of pitch, propose and purchase and concentrate on and melt, transport in bulk to take the whole province or the whole country this supply platform and accord with international advanced transport suggestion of technology in unison
在未來幾年這一進口產品需求量還將進一步提高的情況下，必須優化這一體系在采購、運輸、裝卸、貯存、疏運等環節的水平，引進國外在高速公路建設的原材料供應上的先進思想和做法，軟體上採用較先進的現代物流思想，對施工瀝青進行配送；硬體上研製成本低、性能優的保溫槽車；專用散裝供應駁船；專用瀝青裝卸碼頭貯罐等裝備，從而提出我國進口瀝青的運輸方式選擇，並運用經濟技術論證方法來對這些方式進行經濟技術方面的論證，由此提出我國進口瀝青運輸方式改革的設想，提出采購集中化、運輸散裝化這一全省或全國統一供應平臺且符合國際先進運輸技術的建議。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。Based on the commonly used strip theory with the extension of taking into account the instantaneous variation of the wetted hull surface during the motion and its effects on the ship hydrodynamic characteristics, this dissertation mainly calculates the ship motions and loads in waves in time domain and elementarily investigates some nonlinear characteristic of ship motion and hydrodynamic coefficient. it is hoped that the research had an engineering value for the predication and evaluation of seakeeping performance in the concept ship design stage
本文基於擴展的切片理論，計入船體運動時濕表面的變化及其對船體流體動力性能的影響，在時域內計算了船舶在波浪中的運動和載荷，並對船舶水動力系數及運動中的一些非線性因素進行了初步的探討，本文的研究對船舶設計階段的耐波性能評估具有工程實用價值。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。This thesis used along caldwell ' s direct calculation method of the ultimate strength of ship hull girders, considered the double bottom and upperwing tank to ship ultimate strength contribution, first defined the stress distribution of the whole section of the ship girders. that is : in the sagging condition, deck and side shell of nearby deck remain the ultimate bucking strength, double bottom remain the yield stress. and the other parts keep elasticity
本文沿用caldwell等人直接計算船體極限強度的思想，考慮雙層底和頂邊水艙對船體極限強度的貢獻，首先將船體梁整體破壞時剖面應力分佈確定為：在中垂狀態下，甲板及甲板附近的舷側均屈曲，雙層底區域則均屈服，其他部分保持彈性狀態；在中拱狀態下，雙層底及之間的底舷側均屈曲，甲板及頂邊水艙區域均屈服，其他部分則保持彈性狀態。As intermediate paint with high rust resistance for hull coated with epoxy zinc - rich primer and inorganic zinc - rich primer. outstanding compatibility with topcoat
主要用於船體噴過環氧富鋅底漆無機富鋅底漆等高性能防銹的中間漆與底、面漆的配套性極佳。First, according to the demand of vimp for resin system, the reaction kinetics and rheological of up resin are investigated and the optimal content of low additive profile ( lpa ) is determined. then vimp based on a high - permeable medium and grooves are studied by visual experiments, through which the appropriate high - permeable mediums are selected and the parameters of width, depth and spacing for flow grooves and spacing for supply grooves are optimized. furthermore, various factors affecting the mold filling process are discussed and the whole vacuum infusion procedures are described taking examples of the manufacture of a model boat and a sandwich panel in one infusion
文中首先根據vimp對樹脂體系的要求，對vimp用不飽和聚酯樹脂體系的動力學和流變學性能進行了研究，確定了最佳低收縮添加劑的含量；對高滲透介質型和溝槽型vimp開展了實驗研究，通過可視化實驗優選出較好的高滲透介質，確定了引流槽的寬度、深度和槽間距及主槽的槽間距等工藝參數並進行了優化；對影響充模過程的各種因素進行了詳細的討論，並以模型船和夾芯面板的製作為實例描述了兩種vimp的成型過程；在實驗的基礎上，建立了二維滲漏模型，採用控制體有限元法對高滲透介質型vimp進行了成型過程的計算機模擬計算，通過充模時間和流動前峰的計算值與實驗結果的比較，驗證本文所採用的數學模型和數值方法的正確性，其結果對實際生產具有一定的理論指導意義。Taken the damaged ship as an object, the nonlinear response including dynamic characteristics, external loads, hull deflection, buckling and ultimate strength of stiffened panels, and ultimate strength of hull is carried out in this paper
本文通過對破損后的不對稱船體結構的非線性響應問題包括船體動態特性、破損船體外載荷、船體撓度、加筋板屈曲與極限強度，以及船體極限強度等方面進行了初步研究，從而為艦船生命力中的破損船體剩餘強度衡準制定提供依據。分享友人