船體型線圖 的英文怎麼說
中文拼音 [chuántǐxíngxiàntú]
船體型線圖
英文
curves of form-
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。With the methods of parametric inputting, interactive inputting and graphic inputting, this system can build the three - dimensional models of ship and modify the model from time to time. moreover, this system can transform the models into ship line drawings that include waterline drawings, transverse section drawings and vertical section drawings
在此基礎上，本文利用參數化輸入、人工互動式輸入和圖形導入等多種方法建立船舶的立體模型，並能實時編輯修改；進一步地，系統能夠由三維模型反演出型線圖，即水線圖、橫剖面圖、縱剖面圖。In the full of research, the thesis constructed the dynamic equations of the simplified model, then programmed and computed the feedback gains using lqr method. moreover, the thesis plotted pictures of displacement, velocity, acceleration, bend and shearing force of ship ' s head and middle part in the condition of using cable and not using cable
在研究工作中，首先對船舶的簡化模型建立了動力學方程，然後採用線性二次型最優控制方法，編寫程序並計算出船體垂向振動固有頻率和最優反饋矩陣，得到控制前後船艏以及船舯部的位移、速度、加速度、彎矩和剪力歷程圖。Abstract : this article is devoted to the development hull lines fairing, analyses some cases of this topic in home and abroad, poses some technical questions of hull lines fairing and also gives the solution including the spline curve precision fairing theory, ship data series, adept more data interactive way, and the integration of lines fairing and cad / cam, etc
文摘:本文以船體線型光順的發展方向為題，論述了國內外的發展概況，針對國內情況提出了船體線型光順的一些技術問題和解決方案，包括建立樣條曲線的精密光順理論，系列船數據庫，更多地採用數據圖形交互手段，線型光順和cad / cam實現一體化。During the past decades, some researchers, such as : bezier, kj. versprile, deboor and cox, etc. had made great progress in the filed of constrained b - spline curve and surface fitting. in this article the method of constrained b - spline curve was introduced, which is used to figure out the control vertexes. using this interpolation method we can calculate every points of a uniform b - spline
並且分析了在各種端點情況下，在重節點的情況下，如何反算控制多邊形的頂點；如何在求出控制多邊形頂點之後，插值計算b樣條擬合曲線上的每一點；並通過結合雙尾船的型線，採用visualc + +和autocad2002為平臺，分別編制了相應的軟體，對提供的型值做出繪圖處理，取得了良好的效果。This paper involves the refrigeration principle and technology, the thermodynamics principle, the exergy analyses principle and its applications, the sensor principle and its applications, the microcomputer testing technique, the auxiliary engine of the ship etc. at the same time, to realize the measuring of cold store running parameters so that the main equipment of this system can run safely and reliably, measuring points are disposed at inlet and outlet of main devices, and computer detecting technology is used to measure the real time data at every point
內容涉及到製冷原理與技術，熱力學原理，火用分析原理及應用，傳感器原理與應用，微型計算機檢測技術，船舶輔機等諸多方面的知識。同時，為了實現對冷庫系統運行參數的全程檢測，以利於系統主要設備的安全可靠運行。在系統的主要設備進出口均布置了測量點，同時利用計算機檢測技術對各測量點數據進行在線檢測，檢測軟體是基於魯班組態軟體平臺而開發的，可以實時動態顯示檢測數據及數據的趨勢圖，還可以完整保存歷史數據，以利於分析系統常年運行工況，進一步制定改進措施。It uses objectarx tools based on c + + language in autocad 2002 flat to make a farther development. it worked out a corresponding soft ware, and drew the planes of a real ship, has obtained a good effect
本文採用基於c + +語言的的objectarx工具在autocad2002平臺進行二次開發，分別編制了繪圖軟體和數據管理軟體，並結合一條實際的普通貨船，進行型線設計，取得了良好的效果。Curve of form
船體型線圖In the course of practical research, it has summarized out the rational visual scene data base modeling flow, and put forward the three - dimensional real sense topographical modeling method based on simple electronic sea chart contour information and three - dimensional object producing method, including three - dimensional building on the bank, assisting navigation marks, foundations of shipping model and the processing method of light quality data
在實際研究過程中，總結出了一套科學合理的視景數據庫建模流程。並提出了基於簡易電子海圖等高線信息的三維真實感地形建模方法，以及三維物體模型生成方法，包括三維岸上建築、助航標志和船舶模型的建立，其中還介紹了燈質數據處理方法。分享友人