geometric optimization 中文意思是什麼
geometric optimization
解釋
幾何參數最優化- geometric : n. 有幾何圖形的東西。adj. 1. 幾何學的，幾何圖形的。2. 按幾何級數增長的。adv. -rically
- optimization : n. 最佳化，最優化。
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The thesis developed the optimization design software of geometric parameter for the worm gear including strength check module, the drawing contact lines module, the change lines of tooth thickness of worm, and the parametric modelling software for the reducer which includes parametric modelling of parts and assembly. the cad prototype system is very convenient because of its accessible interfere, simple operation and written in chinese. by input design parameters ， the cad system can make optimization design and strength check for the worm gear ， draw contact lines of tooth flank of worm - gear and change line of tooth thickness of worm ， judge if the tooth flanks of worm undercut and if the sideward tooth of worm - gear hob come to a point ， make project design and structure design for the reducer and draw its 2d parts and assembly
研究和開發了平面二次包絡環面蝸桿傳動的參數優化設計和校核軟體系統：包括幾何參數設計計算模塊，強度校核模塊，繪制齒面接觸線模塊，蝸桿齒厚變化曲線模塊和蝸桿根切判別模塊；開發了平面二次包絡環面蝸桿減速器外形與結構尺寸數據庫以及傳動效率數據庫，建立了平面二次包絡環面蝸桿傳動公差及極限偏差數據庫；開發了平面二次包絡環面蝸桿減速器參數化建模軟體：包括零部件的參數化建模模塊和裝配圖的參數化建模模塊，其中零部件的參數化建模包括蝸桿軸系的參數化建模、蝸輪軸系的參數化建模、箱體的參數化建模、端蓋的參數化建模、軸承的參數化建模和其它零部件的參數化建模軟體模塊。 -
According to the dual theory, a simple geometric programming was proposed to derive a corresponding geometric dual problem instead of cross - entropy optimization problem with cross - entropy constrains, which is a concave programming one with linear constrains, leading to a simpler calculation
根據對偶理論，提出了一個簡單的幾何規劃，該方法把一個帶有叉熵約束的叉熵優化問題轉化成了一個對偶規劃，而對偶規劃是一個只需要解決一個帶有線性約束的凸規劃問題，比較容易計算。 -
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 -
Based on the geometric meaning of the reliability index, the optimization method for the reliability computation is constructed, and the correlated abnormal distribution random fields are addressed
對非正態分佈、相關變量隨機場進行了處理，依據可靠指標的幾何意義建立了可靠度計算的優化演算法。 -
This dissertation integrates theory analysis with experiment research and makes further research on nc geometric simulation. the establish of the cutting forces model, cutter wear model, machining error predition and compensation, machining parameter optimization in the physical simulation fields are made more research on the basis of the above research contents. the main achievements are as follows : 1
本文採用理論分析與實驗研究相結合的思路，進一步研究了幾何模擬與精度驗證技術，研究了銑削力模型的建立、刀具磨損模型的建立、加工誤差模型與誤差補償技術、基於加工模擬的加工參數優化等物理模擬關鍵技術，主要研究內容和成果如下: 1 .設計了集幾何模擬和物理模擬為一體的數控加工模擬系統的體系結構。 -
This thesis deduces computational formulations of displacement sensitivity and stress sensitivity in structural shape optimization considering geometric nonlinear element. in the calculation of stress sensitivity, the modules required to cut the stiffness matrix of node coordinates few. in order to simplify calculation and make program conveniently, this thesis uses half - parser method
在空間剛架結構的形狀優化設計中，關鍵的一項工作就是計算應力靈敏度，在計算應力對剛架結構形狀優化的設計變量? ?結點坐標的靈敏度時，需用到單元剛度矩陣對結點坐標的導數。 -
And use this optimization program computate the boom structure shape of heavy bucket - wheel stacker & reclaimer ; based on shape optimization, we use second optimization technology to optimize structure section size. the optimization results are satisfied. the computation indicates that considering the geometric nonlinear element can enhance the calculation efficiency and precision of optimization design evidently in sensitivity analysis
編制了空間剛架結構優化設計程序（ 3dfem - opt . for ） ，並利用編制的優化程序對某大型斗輪堆/取料機前臂架在最大應力約束條件下，進行結構形狀優化設計;在形狀優化的基礎上，採用二次優化技術，對結構的截面尺寸進行了優化。 -
Secondly, based on the theories of computer graphics and computer aided geometric design, and according to the traits of automobile panels, the related theory and experience about 3d geometric expressing of automobile panels are described. it is studied to the constitution methods of typical surfaces forming the surfaces of automobile panel, fairing quality and error analysis and optimization of reconstruction surfaces, and the storage structure of " half " edge for 3d model, data changes in different stamping steps and data exchange among the different software
然後，在計算機圖形學和計算機輔助幾何設計等理論的基礎上，根據汽車覆蓋件的特點，歸納總結了適用於汽車覆蓋件三維形體幾何表達的相關理論和經驗；研究了構成汽車覆蓋件曲面的典型曲面構造方法，重構曲面的光順品質分析、誤差分析與曲面品質優化的方法，三維重構模型的「半」邊數據結構、不同沖壓工序中的數據演化以及不同軟體平臺之間的數據交換；提出了根據周邊曲面的形狀特點構造交匯曲面的方法。 -
Optimization of worm gearing ' s geometric parameters under the condition of the errors and the load
實際工況下的包絡環面蝸桿設計參數優化 -
After summarizing those rules, the automatic modeling approach that can derive pbg model and parameters " value of lineweb from its geometric structure is presented. by this approach, hmb design can not only implement structural optimization but also meet the dynamic performance constraints. based on the researches mentioned above, a hmb optimal design software package with high intelligence is developed successfully using visual c + + and objec
在上述研究的基礎上，應用visual十和objectarx具包，成功開發出高度智能化的液壓集成塊優化設計軟體原型系統，主要由三大模塊即原理圖智能設計模塊hmbplot 、布局布孔自動優化設計模塊hmbcad和裝配顯示模塊hmbview組成。
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