設定變量 的英文怎麼說
中文拼音 [shèdìngbiànliáng]
設定變量
英文
setvar-
On the premise of a given set of material parameter, structural boundary shape and condition, design variables - thickness of plate and shell, is designed to minimize the structural weight subjected to the constraint conditions. 1. for the problem with size and stress constraints, full stress design method is used to solve the sectional optimization of plate and shell structures
在給定了板殼的材料常數、板殼結構的邊界形狀和邊界條件的前提下，確定表徵板殼厚度的設計變量，在滿足約束條件下實現結構重量最小： 1 .對于尺寸和應力約束的問題，使用滿應力方法求解。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。Compared with a delta wing aircraft, the double - delta wing configuration has better aerodynamic performance at high angles of attack. an operational analysis was introduced as a method for evaluating training effectiveness of trainer aircraft. approaches to the engineering estimation of aerodynamic characteristics for aircraft with a double - delta wing configuration were studied, and the procedures for determining aircraft performance indices formulated. taking training effectiveness as the objective function and geometric parameters of the wing platform as design variables, through a numerical multivariate optimization arithmetic, the conceptual design optimization for a certain fighter trainer aircraft with double - delta wing configuration was carried out under the constraints of tactical and technical requirements and interrelated geometry. agreement of a calculation example with engineering practice indicates that the optimal design has higher training effectiveness than the baseline design, and in addition, improves the structural force - bearing conditions
雙三角翼氣動布局比三角翼飛機具有更好的大攻角空氣動力特性.引入了評估教練機訓練效能的作戰分析法，研究了雙三角機翼布局飛機空氣動力特性的工程計算途徑以及飛機性能指標的確定方法.以訓練效能作為目標函數並選取機翼平面形狀的幾何參數為設計變量，採用多變量數值尋優方法，在戰術技術指標及相關幾何約束條件下，對某高級教練機的雙三角機翼氣動布局方案進行了優化選擇.算例表明最優方案不僅比原準方案具有更高的訓練效能，還改善了結構的受力情況，與工程實踐吻合Robust optimization is a kind of valid design method that improves the product performance, combining robust and optimization, it adjusts name values of design variables and controls its deviation to promise robustness of the optimization solution. robust optimization includes : ( 1 ) selecting the random factor and turning with quantity ; ( 2 ) uncertainty analysis ; ( 3 ) applying results of uncertainty analysis in robust optimization models
穩健優化設計方法是提高產品性能的一種有效的設計方法，是穩健設計和優化設計兩種方法的結合，它是通過調整設計變量的名義值和控制其偏差來保證設計最優解的穩健性，包括三個步驟: （ 1 ）隨機因素的確定與量化; （ 2 ）不確定分析; （ 3 ）在穩健優化模型中合理地應用不確定分析的結果。According to the instance of the arch dam built, take the discount quotiety, the verification flood water level, the frictional quotiety and, the agglomerate force and as stochastic variable quotiety, calculate the reliability index of the abutment with the calculational programme after the average value and variable quotiety is known
對于所取的拱壩實例，以揚壓力折減系數，校核洪水位，摩擦系數、 ，凝聚力、為隨機變量，在已知其均值並設定變異系數的前提下，利用電算程序計算其壩肩巖體的可靠指標。To avoid aimlessness in choosing design parameters, the variable permission scopes were computed and protracted by applying numerical method
為避免機構綜合過程中設計參數選取的盲目性，利用數值計算方法確定並繪制設計變量的可取值域。The users can define design variables and attain the optimization of objective function under the constraints condition by the alternative function of computer interface
用戶可以通過人機界面的交互功能確定設計變量，實現約束條件下目標函數的優化。In course of training the network, the structure of the network has been analysed. using the nonlinear theory, the node of the hidden layer is ascertained. by comparing this method is very efficient
（ 5 ）在網路訓練過程中，對神經網路結構進行了分析，建立了計算輸出和理想輸出關系非線性方程組，依據非線性方程理論闡述設計變量、樣本數量和輸出層單元數量的關系，確定了隱層神經元的數量，經比較該方法很有效。This paper bring out design method of inverse eigenvalue problem, which adapts to general structures with linear parameters, namely coefficients of all or partial elastic component and inertial component are treated as design parameters, for given some order natural frequency and corresponding vibrating mode, all of useable designing parameters will be got through solving a linear system of equations, thereby stiffness matrix and mass matrix of actual structure are constructed. this paper also discusses existence condition and unique of results
提出了適用於具有線性參數的一般結構的逆特徵值問題的設計方法，即以系統的全部或部分的彈性元件與慣性元件的系數為設計參數，對于預先給定的若干階固有頻率及相應振型，通過求解一線性方程組即可確定全部實際可行的設計變量，從而構造出實際結構的剛度矩陣和質量矩陣，並論證了解的存在性與唯一性。The step of this method is : selecting variables and their rang, creating experiment points, establishing parameter models, calculating cfd models, choosing aerodynamic characteristics, establishing surrogate models and setting optimization models
這種方法的步驟是:確定設計變量及其取值范圍、生成試驗設計點、建立參數化幾何模型、應用cfd軟體進行數值計算、提取氣動特性、構造代理模型和建立優化模型。Shape optimization of structure based on the definite finite element had not considered the design variable ' s randomness ; it cannot re - fleet the real condition of structure
摘要基於確定性有限元分析的結構形狀優化沒有考慮設計變量的隨機性，不能夠反映結構的真實狀況。Using ansys to define design variable, determine design object and restrict constraint upper limit to optimize design. we find that the maximal stress value in road wheel approaches its breaking point
接著ansys中定義設計變量（分別為輪輞和輪輻的厚度） ，確定設計目標（使車輪重量最小） ，因最大應力不超過鋁合金材料的許用應力為限，進行優化設計。Based on the down - hole working condition and the required capability of the reducer, the mathematic module for the reducer optimal design as the function of minimum volume is proposed, the design variable and restrain conditions are determined, and by solving the optimal module, the optimal parameters of the reducer are obtained
根據井下工作的實際條件和要求的減速器傳動性能，建立了以減速器體積最小為優化目標的減速器優化設計數學模型，確定了優化設計的設計變量和約束條件，通過編寫程序運行，完成了對優化模型的求解，得到了減速器的最佳傳動參數。With synchronization, you are assured assuming your class is properly written that whichever thread holds the lock that protects a given set of variables will have exclusive access to those variables, and changes to those variables will become visible to other threads when they subsequently acquire the lock
通過同步，可以確定（假設類編寫正確）具有保護一組給定變量的鎖定的所有線程都將擁有對這些變量的獨占訪問權，並且以後其他線程獲得該鎖定時，將可以看到對這些變量進行的更改。The ability to search the neighbor - area of the best solution of half - determined ga is improved with three new strategies : half determined hamming - decreasing, low bit determined mutation and self - adaptive scaling of design variables
後者利用半確定性的變異操作， hamming - decreasor ，設計變量的自適應定標這三項措施對當前最優個體的鄰近區域的集中搜索來提高演算法的局部搜索能力。When mapping from design variable space to quality attribute space in the stage of concept evaluation of product design, the combing qualitative and quantitative method, rough set based mapping method and physical model experimentation based mapping method are studied. when making physical model experimentation, the transformation method of system condition is put forward for the first time
從設計變量空間到質量屬性空間的映射角度，提出了定性定量相結合的分析方法；研究了基於粗集理論的映射方法；研究了基於物理模型試驗的映射方法，並首次提出了進行物理模型試驗設計時的系統條件變化方法。Using msc. nastran to define design variable, determine design object and restrict constraint upper limit to optimize design. we find that the maximal stress value in road wheel approaches its breaking point
接著msc . nastran中定義設計變量（分別為輪輞和輪輻的厚度） ，確定設計目標（使車輪重量最小） ，限制約束上限，進行優化設計。According to the effect of non - deterministic parameters on product performance, with wet multi disc brake, the functional relationship between design variable and brake performance was proposed by the response surface method
摘要針時不確定性對產品性能的影響，以濕式多盤制動器設計為例，利用響應面模型，建立了設計變量和制動性能的關系。Firstly, the structure ' s geometrical design parameters are expressed with the discrete design variables. secondly, the structure ' s mechanical model that based on the elastic material mechanical characteristic and a certain enclasped state and enclasped thinking of multi - layers " shell is established
首先給出描述組合圓筒裱糊裝配結構幾何狀態的幾何特徵參數的定義，以及幾何特徵參數與設計變量即彈性墊層厚度之間的幾何關系。You can write functions to select a menu choice, pull up a dialog, set a value for a variable, or issue a command
你可以通過編寫函數來選擇菜單選項，彈出對話框，設定變量值或發布命令。分享友人