computer aided design of models 中文意思是什麼
computer aided design of models
解釋
模具電腦輔助設計-
Based on the analysis of existing heat transfer models, design methods and experiences of the ground loop heat exchangers, a computer - aided design software is proposed. it can be used to design the horizontal loop, vertical loop and double - pipe heat exchangers
在總結了國內外埋管換熱器設計經驗的基礎上，進行了埋管換熱器計算機輔助設計程序開發，該程序可用於水平埋管、 u型埋管以及套管式換熱器的設計計算。 -
The former part, with the analysis and research of the meaning and the extension and the characters of industrial design, demonstrates the possibility and inevitability of applying computer and internet to aid industrial design and illustrates the state - of - the - art and usual technology. by analyzing the new development and new requests of caid ( computer - aided industrial design ) technology, the article raises the possibility and inevitability of developing internet - based icaid ( intelligent caid ) system, presuming the models and methods and illustrating the key technology of building iicaid, which includes extracting the knowledge of design and the knowledge of user and building the correlative model and studying and developing internet - based cooperative work of form design and the design and realization of software and hardware of iicaid system. finally with analyzing and summing up the correlative knowledge of design and the knowledge of user in nc machine tools form des ign and concluding and researching the results of the correlative experiments, the article raises and explains the researching points and key technology
論文分為上下篇，上篇通過對工業設計內涵、外延的分析和研究，提出了運用計算機、網際網路等智能機器、信息技術輔助工業設計的可能性和必然性以及目前的發展狀況和一般技術；分析了目前caid技術的新發展和新要求，提出了發展基於網路的智能化caid系統的可能性與必然性，並大膽推測了實現的方法和模型；歸納建立iicaid系統所需的關鍵技術，即工業設計的領域知識和用戶知識的提取及建立模型；網路協同造型設計的規劃、集成和優化；系統的軟硬體設計和完成；最後，通過對數控機床造型設計相關領域知識的分析和整理，以及相關的實驗的總結和研究，提出和解釋了在數控機床造型設計中運用iicaid技術的研究重點和關鍵技術。 -
With the using of microsoft visual basic 6. 0, a multimedia computer - aided design system of small type pumping irrigation district is developed in this paper. provided with the live multimedia messages as well as a good man - machine conversation mechanism, this system can help the user to finish the planning of an pumping irrigated area such as the layout of canal system, the selection of pump models, the establishment of the irrigation program, the calculating of canals " parameters, the estimate of the project magnitude, the selection of the field constructions, the economic analysis of the project, the output of results, etc, a new oo ( object oriented ) programming method is adopted in this system, various softwares are integrated in this systems as well by the " automation " technic provided by vb, in addition, the multimedia technic is applied to this system for the first time, it makes the system easy to ope rate. as for the optimization of the canals " section, a new optimization method is adopted based on the existing theories about the canals " section, and in this way, with the purpose of minimizing the project ' s investment as well as a stalized canal, limited by the longituding slope, the canals " best feasible parameters can be deduced. furthermore, a integral method to reckon the earth work is developed in this paper, by this way, the estimate precision of the earthwork is enhanced notably. this paper includes the particular illumination for the developing procedure of each systems " segment, and in the end, the directions of the system are demonstrated in a sample area which lies in the zhaija village, taizhou city, jiangsu province, the running results showed that the initial purposes are achieved effectively, and it has a preferable practicability
在渠道縱橫斷面優化方面，本文在利用已經比較成熟的縱橫斷面優化理論的基礎上，提出以工程總費用最小為目標函數，以渠道縱坡i為控制變量，以渠道不沖不淤流速及灌區允許地面比降為約束條件，通過縱橫斷面聯動優化的方法得到渠道的最佳工程可行的斷面參數。另外，針對部分地區的取土困難的狀況，本文採用積分法計算渠道工程土方量，從而大大提高了土方量的估算精度，有助於準確控制工程投資規模及資金投向。本文詳細闡述了該系統所採用的編程方法、系統構成、系統各組成模塊的開發過程以及灌區規劃所採用的優化方法及原理，最後應用本系統對泰州市翟家村機電灌區進行規劃設計，運行結果證明其操作比較簡便，界面友好，運行速度快，規劃成果合理，基本達到了系統預定的要求，具備較強的實用性。 -
In this zdqcad software system, structure style of brake was defined and structure parameters of parts were input according to the design desires and three - dimensions solid model of the parts were displayed by transferring the parametric models in parametric model database ; the whole computer aided process of automobile brake design was realized such as selecting brake style, deciding structure parameters, selecting parts, deciding parameters of parts, checking computations of performance and drawing three - dimensions solid model ; a good platform to improve the design of automobile brake was provided at last
Zdqcad軟體系統根據設計要求確定製動器的結構形式，輸入組件的詳細結構參數，通過調用i - deas參數化圖庫中相應組件模型，顯示該組件的三維實體圖；實現了制動器設計從選型到總體結構參數的確定、選取組件、組件結構參數的確定、性能校核以及繪制三維圖形的計算機輔助化過程，為提高制動器的設計質量和設計水平提供了良好設計平臺。 -
Computer - aided design of integrated circuits and systems, march 2004, 23 : 366 - 377. 18 ruehli a. equivalent circuit models for three - dimensional multiconductor systems
但是，由於該方法引進了大量的屏蔽線，因此對于有效的sino問題，面積的減少同樣成為了關鍵的問題。 -
The parameterization models of integrated blocks not only provide the convenience for the optimization design and the computer - aided drawing, but also have laid the foundation for the realization of digital manufacture and the information management of manifold blocks
所建立的信息化與參數化模型不僅為集成塊的優化設計和計算機輔助繪圖提供了方便，也為實現集成塊的數字化製造和信息化管理奠定了基礎。
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