設計變化 的英文怎麼說
中文拼音 [shèjìbiànhuà]
設計變化
英文
design modification-
In view of this situation and the characteristic of qualitative variable as well as quantitative variable of the geological factors affecting coal seam affusion, put forward the application of numerical theory on the basis of optimization study of orthogonal design to confirm the optimal combination of the technical parameters of coal seam affusion when geological factors is in precarious state and then proceed optimization study with instances
針對這種情況及影響煤層注水的地質因素既有定性變量，又有定量變量的特徵，本文在利用正交設計優化研究的基礎上，提出利用數量化理論確定地質因素為不穩定狀態下的煤層注水工藝參數的最優組合，並結合實例進行了優化研究。We are specialized in the sweaters, knitted wear, garments, we use the finest materials, most modern equipment and management system to produce the highest quality products, as well as various in design & colour, not only our products is high quality, but also we can provide the best & most reasonable prices for our customers, if you have any questions or needs, please feel free to contact us, we will be glad to assist you
我們是毛衣，針織成衣的製造廠商，我們慎選精緻的原料，運用現代化的設備及管理制度，生產出品質優良，設計變化多樣的成衣，我們不僅產品優良，色彩，圖案逸趣，高雅大方，而且價格合理，如果您有興趣，請盡速與我們連絡，您一定會得到意外的驚喜Taking the contact stress, bend stress stiffness and temperature stress as the condition, taking the weight of the kiln tyre as optimization aim function, the redia and the width of the tyre are optimized general optimize methods just consider the affecting of the parameters to aim function, but in fact, structural parameters ( such as structure dimension, interval and so on ), physics and dynamics ( damp factor, conduct factor, friction factor material ' s elastic module strength limits and so on ), which would be changed after used. the difference are called discrepancy robust design ' s basic concept is : all design parameters " discrepancy will affect the aim funct ion and arouse the quality target discrepancy
一般的優化方法，僅僅考慮了參數對其目標函數的影響，而實際情況下有些參數是變化的，產品的結構參數（如幾何尺寸、間隙等） 、物理和力學參數如阻尼系數、傳導系數、磨擦系數、材料的彈性模量和強度極限等的設計值與製造后和使用中的實際值會有差異，這種差異稱為設計變量和噪聲因素的變差。Nowadays with the booming development of microelectronic technique, the functions of the components of machinery, electricity, magnetism, optics, acoustics and thermotics have been improved rapidly. and the micromation of components, the integration of electronic equipments, the worse working environment, the increasing requirement and emi, all of these make the structural design of electronic equipments more and more important
在微電子學高度發展的今天，促使機、電、磁、光、聲和熱等元器件功能飛速提高，隨著元器件微型化，電子設備趨向集成化，再加上一些日趨惡劣的工作環境，各種使用要求的提高，空間電磁環境的干擾，以及由於裝填密度高，產生的內在干擾等，使得電子設備的結構設計變得越來越重要。Optimal design with three variables is then done to the elbow - bar mechanism of the mp1040b moulding machine by utilizing the method of punishing function for constraint problems and variational scale for unconstraint problems. the optimal target function is the maxium of gradient in one work travel for the moulding plank of the elbow - bar mechanism. the result shows that the maximal gradient of moulding plank in one motion period declines by 25. 7 after optimization, and the angular acceleration of the bottom moulding plank decreases greatly
動力學分析中，各構件的質量和轉動慣量是通過pro / engineer軟體，先建立各個構件幾何模型而求得；然後，利用解決約束問題的罰函數法和處理無約束問題的變尺度法對mp1040b型模切機肘桿機構進行三個設計變量的優化設計，優化目標函數為肘桿機構的下模切板在一個工作行程中達到的最大傾斜程度；通過優化設計，模切機肘桿機構的下模切板在一個工作行程中的最大傾斜程度降低了25 . 7 ，其角加速度明顯減小，提高了模切機動力學性能。Taking thickness of web members and main chords as design variables and the lightest weight of crane booms as objective junction, considering constraints of rigidity and stability etc., this paper establishes the math model of optimal design
摘要選取起重機臂架的腹桿壁厚和各節臂架的主弦桿壁厚為設計變量，以最小重量為優化目標，考慮剛度和穩定性等約束條件，建立優化數學模型。The method not only realizes he optimization of the crashworthiness of automobile components, but also improves the reliability of the design parameters
概率優化設計方法，實現了對汽車構件耐撞性的優化設計，提高了設計變量的可靠性。Using jkcflow the design of information system can be made easily by process definition and form designing. jkcflow can be used to build the primitive model of office automation system quickly, which enhances the efficiency of system developing
Jkcflow工作流軟體使信息系統的設計變為對流程的定義和表單的設計，它可以快速的構造辦公自動化系統的原型，提高系統開發的效率。Study on the changes of fashion style and pattern design
時尚服裝款式與結構設計變化的研究Based on the tribological principle and the theory of contact mechanics, it is feasible to adopt curvature - changing structure in the rock - bit journal bearing system. the structure and coupling relationship of curvature - changing journal bearing under the condition without friction have been analyzed and three kinds of sub - form structure configurations, namely, the pseudo - curvature - changing structure, the conformable curvature - changing structure, and the clearance curvature - changing structure, been differentiated according to the contacting features. the shape optimization and pre - running - in regulations of the contact surface of curvature - changing journal bearing under friction condition have been established. the results of rock bit journal bearing test indicate that the tribological behavior of the bearing can be effectively improved by curvature change based on both designing and pre - running - in
基於摩擦學原理和接觸力學理論，提出了可在牙輪鉆頭滑動軸承中採用變曲率結構.在不考慮摩擦的情況下，就結構設計和配合關系等問題進行了分析討論，劃分了準變曲率、吻合變曲率以及間隙變曲率等3種結構形式；針對考慮摩擦時的變曲率結構，提出了接觸形狀優化和預磨合的實施方案.鉆頭軸承試驗結果表明，無論是預設計變曲率還是預磨合變曲率，都能改善軸承摩擦副的摩擦學特性，因而值得進一步研究和推廣City group layout optimization of highway network using dynamic design variable
應用動態設計變量優化方法進行城市群公路網優化布局Recently, a great progress has been made in aerodynamic optimization design technologies based on computational fluid dynamics. the control theory approach advocated by antony jameson is the typical methodology among them. its major advantage is that the computation of the sensitivity derivatives of cost function with respect to design variables is nearly independent of the number of design variables, which greatly saves the computational cost
近年來，計算流體力學（ cfd ）設計技術得到較大發展，其中最有代表性方法是jameson發展的基於控制理論（伴隨方法）的氣動優化設計技術，其顯著優點是目標函數對設計變量的梯度計算幾乎與設計變量數目無關，從而大量節省了計算費用，並成為當前cfd領域的研究熱點。Powerful yet easy to use design optimizer, with support for multiple variables and constraints, finds optimum designs in minutes
功能強大且易於使用的設計優化，支持多種變數和制約因素，認為最佳設計分鐘。Based on the thought of variable - complexity modeling in multidisciplinary design optimization, a two level variable - complexity model is established with the background of moon exploring satellite
本文依據多學科設計優化中可變復雜度建模的思想，以月球探測衛星為背景型號建立了衛星的兩級可變復雜度模型。First regarding cutting speed, working feed as the variable of designing, this article establishes the multi - goal mathematics model of manufacturing cost, productivity, profit ; second according to the mathematics model, it adopts added - power optimum method with matlab and resolves the feasible optimum parameter with computer ; it provides the person who optimize with turning processing technology parameter, and can offer reference supporting other optimization of parameters
摘要以切削速度、進給量為設計變量，建立了以加工成本、生產率、利潤為多目標的數學模型；根據所得多目標綜合優化數學模型，採用加權函數法為優化方法，用matlab求出在約束限制可行域內最優參數，為車削加工工藝參數提供優化依據和優化量，可供其他參數的優化提供參考。The research on variable mass flowing law in horizontal wellbore is the basis of the productivity prediction, horizontal length selection and completion design optimization of horizontal well
水平井筒變質量流動規律的研究是水平井產能預測、水平井水平段長度優選以及水平井完井設計優化等的基礎。The slope geometry is variable quantities, and the reliable safety and reliability are main limiting factors. according to the above factors, a optimized model for designing high loess slope is established. this model ' s concept is precise, and its physical meaning is confirm, people who do designing work can see this model as a means
最後，為了使邊坡設計獲得最佳工程效果，本文在崔政權建立的優化公式： c = a + pf ? b的基礎上，全面考慮施工造價和風險造價，運用數學原理和優化理論，用費用?效益分析方法，以最小總期望造價為目標函數；以坡型、坡比為設計變量，以安全可靠為主要約束條件，建立了黃土高邊坡的優化模型。Primary attention is given to predicting the stability trends associated with possible design changes.
對預計發動機可能的設計變化穩定性的影響加以重視。At the same time, complex mappings between models and design functions are difficult to understand and, in practice, impossible to maintain as the design changes
同時，模型與功能設計之間復雜的對應關系會變得難于理解，並且當設計變化的時候，它們將很難維護。We are specialized in the knitted fabric, garments, we use the finest materials, most modern equipment and management system to produce the highest quality products, as well as various in design & colour, not only our products is high quality, but also we can provide the best & most reasonable prices for our customers, if you have any questions or needs, please feel free to contact us, we will be glad to assist you
我們是針織布、成衣的製造廠商，我們慎選精緻的原料，運用現代化的設備及管理制度，生產出品質優良，設計變化多樣的成衣，我們不僅產品優良，色彩，圖案逸趣，高雅大方，而且價格合理，如果您有興趣，請盡速與我們連絡，您一定會得到意外的驚喜分享友人