structural geometry 中文意思是什麼

structural geometry 解釋
構造幾何形狀
  • structural : adj. 構造上的,結構上的,組織上的。adv. -ly
  • geometry : n. 1. 幾何學。2. 幾何形狀。3. 幾何學著作。
  1. In the strength of materials approach that is certainly familiar to all structural engineers, one typically has a specific structural geometry for which the load carrying capacity must be determined.

    在所有結構工程師所熟悉的材料力學方法中,問題總是針對一個具有特定幾何形狀的結構來確定它的承載能力。
  2. 5 ) the 3 - d geometry and finite element model of the assembly of the optimized obturator of the breech mechanism is set up in terms of the optimized structural parameters. quasi - static and dynamic finite element analysis of stiffness, strength and obturating performance of the optimized obturator of the breech me chanism is performed

    利用優化后的結構參數建立了優化后炮閂閉氣結構的裝配體三維幾何實體模型和有限元模型,對優化后的炮閂閉氣結構剛強度和閉氣性能進行了準靜態及動態多體接觸彈塑性有限元分析。
  3. Based on analysis and compare of all kinds of precept - sorting of feature of plastic product for the different structural plastic product, a 3d feature library of plastic product was built on the platform by integrating feature - modeling technique with parametric technique. the feature schleps its information of non - geometry by database - externed technique of the entity. after building the database of plastic material, the module of choice of plastic material is developed by technology of odbc

    針對不同結構類型的塑件,在全面分析、比較塑件特徵分類的各種方案的基礎上,採用三維特徵建模技術和參數化技術,建立了注塑產品的三維特徵庫;應用實體擴展數據庫技術,使特徵攜帶非幾何信息;再在建立塑料物性數據庫的基礎上,採用odbc技術,開發了塑料材料選擇模塊;通過塑件特徵的調用和人機交互輸入參數的方法進行塑件三維造型,再把塑件的三維實體和塑件的非幾何信息結合起來,生成塑件全信息模型。
  4. Doctor candidate : yan qiwu supervisor : prof. slien pllsheng iii this thesis, a systematic theory on spatial elastic - plastic time - history analysis of reinforced concrete frame - tube structures tinder strong multiple earthquake excitations is established. covering problems about materal, rnember and structural system considering about the nonlinearity of material, geometry and boundary

    木文考慮了材料、幾何、邊界非線性,建立了從材料、構件到結構的一個較為系統的鋼筋砼框筒結構在多維地震波作用下的空間彈塑性時程分析理論。
  5. Considering that the characteristics of our country ' s highway tunnels are always of long spans, tabular and of various geometry, by means of thorough analysis of the different problems existed in the design of support structures of the tunnels at present, this paper pays special attention to the two key problems, optimization method of form selection of structural section of the tunnel as well as the stability and bearing capacity of the support structures, in the design of the long and large tunnel on high - class highway, introduces the simplified complex - form optimum method in the structure optimization theory, discusses the optimum design model of lining section of highway tunnel with satisfying demands in building clearance, ventilation and load conditions, puts forward an optimization method of form selection of three different kinds of lining sectional forms ( i. e. single - center circle, three - center tabular circle and three - center sharp circle ), establishes a complete set of systematic optimum design the ory and method of long and large tunnel on high - class highway, develops the corresponding computer software used on the planned xuefeng mountain highway tunnel on shaoyang to huaihua expressway in hunan province for optimization of form selections of the structural sections, and obtains a series of relatively reasonable structural design parameters

    本文針對我國公路隧道多為大跨度、扁平、幾何形狀呈多樣化的特點,通過深入分析目前隧道支護結構設計中存在的各種問題,抓住高等級公路長大隧道設計中隧道結構斷面的優化選型及隧道支護結構的穩定性與承載能力兩個核心問題,引入結構優化理論中的簡易復合形優化方法,深入探討了滿足建築限界、通風條件、受力狀態約束等條件下公路隧道襯砌斷面優化設計模型,提出了三種襯砌斷面形狀(單心圓、坦三心圓和尖三心圓)的優化選型方法,建立起一套完善的高等級公路長大隧道的系統優化設計理論與方法,並開發出相應的計算機程序,用於擬建的上海至瑞麗國道主幹線湖南省邵陽至懷化高速公路雪峰山長大高速公路隧道的結構斷面優化選型,得出了一系列較為合理的支護結構設計參數。
  6. 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
  7. Impact of geometry and kinematics of lanliao fault on structural styles in dongpu sag

    運動學特徵對東濮凹陷構造樣式的影響
  8. In the light of all kinds of structural faces and their assembles along tunnel, the place and growth depth of instable cuneiform body in tunnel wall rock could be predicted, then its volume and weight of instable cuneiform body are estimated based on the equator plane projecting method and the solid body ratio geometry method, which offers reliable geologic data for designing corresponding supporting measure

    摘要利用赤平投影法和實體比例幾何法分析隧洞圍巖穩定性,根據隧洞沿線所遇結構面相互組合形式,預測隧洞圍巖不穩定楔形體的位置及其發育深度,從而估算不穩定楔形巖塊的體積和重量,為設計相應的支護措施提供可靠的地質依據。
  9. Because cast steel can be made to suit almost any geometry, it makes for a gradual and elegant architectural transition between individual structural members

    因為鑄鐵可以鑄造成幾乎任何的幾何形狀這使得獨立構件間的建築上的過渡變得緩和、優美。
  10. Study on the distribution characteristics of the structural planes in rock mass based on the fractal geometry theory

    基於分形幾何理論的巖體結構面分佈特徵研究
  11. Several kinds of the anode geometry size and the structural parameters and collocations were analyzed. the reasonable structure and operation method of the aluminum cell anodes were proposed

    摘要通過對國內外幾種陽極幾何尺寸、配置的結構參數分析;從鋁電解槽換極周期、陽極生產工藝等方面提出了鋁電解槽陽極的合理結構,操作方式。
  12. Taking geometry structural analogue method, analysis landscape spatial network structure, visual section form, landscape elements and their arrangement rule, detail characteristics in particular, using landscape planning as the main analytical tool, we analyze and assess the traditional landscape quality in xitang in a thorough way

    採用幾何結構模擬的圖示解剖手段,從景觀的空間網路結構、視覺斷面形態、景觀元素及其空間排列方式,尤其是細部特徵等,運用景觀規劃作為分析工具,對古鎮西塘的傳統景觀特質進行了全面的分析和評價。
  13. Basing on the acquaintence of the stratum, the rock, the structural setting, the tectonic framework and the research in the stratum, the rock and the structure of dam area in detail, using the modern principle of tectonic analysis, this paper analyzes the geometry characteristics, the deformation characteristics, the dynamics characteristics, kinematics characteristics of the dislocation interfaces. further more this paper discuss " the structural generation, the structural sequence and the structural evolution of the dislocation interfaces

    在了解區域地層、巖石、構造背景和格局等基礎上,結合對壩區地層、巖石和構造的詳細調查研究,採用現代構造解析的原理和方法,對壩區錯動帶幾何學特徵、變形特徵、動力學特徵和運動學特徵進行了全面的分析,並在此基礎上探討分析了壩區錯動帶的構造世代、變形序列及構造演化。
  14. Taking suspension bridge anchor of runyang highway bridge as project background in this paper, considering undulating angle of rock mass structural plane, angle of mean square root slope method is established by exerting fractal geometry theory. fractal dimension of profile of rock mass structural plane is calculated by above method. and roughness degree is described quantitatively, furthermore correlativity between fractal dimension and roughness coefficient ( jrc ) is analyzed

    本文以潤揚大橋懸索橋錨碇摩阻力研究為工程背景,運用分形幾何理論,從巖體結構面起伏角的角度出發,建立了均方根坡度角法測算巖體結構面剖面輪廓線的分維數,定量描述其粗糙程度,並分析了分維數與粗糙度系數jrc之間的相關關系。
  15. On the basis of association of finite element computation with optimization design and analysis of sensitivity of cable force variation to structural response and objective function ' s sensitivity, an optimization method for rationally bridge - completing cable force of large - span cable - stayed bridge was presented, where the structural internal force, linear control condition, and nonlinearity influence of structural geometry were taken into account in the entire process of optimization

    摘要將有限元計算與優化設計分析相結合,在索力變化對結構響應和目標函數敏感性分析的基礎上,綜合考慮結構內力、線形控制條件,提出一種全過程計入結構幾何非線性影響的大跨斜拉橋合理成橋索力優化方法,採用一階分析法對成橋索力進行迭代優化。
  16. In upper level optimization, the thickness and geometry factors of composite skins and webs as well as other structural dimensions are taken as design variables. then, considering the behavior constraints and the side constraints, the structural mass is minimized by the mathematical programming technique. in lower level optimization, the mathematical programming technique or the genetic algorithm ( ga ) is used to search the practical stacking sequence of composite skins and webs to realize the given thickness and geometry factors from upper level optimization

    底層優化設西北工業大學博士學位論文計以復合材料蒙皮和腹板等層合板各分層的厚度(或鋪層數) 、鋪層角和鋪層順序為設計變量,以層合板的幾何因子與頂層優化設計給出的最優幾何因子之間的誤差最小為目標,考慮層合板厚度和製造工藝性約束,採用數學規劃方法或遺傳演算法( geneticalgorithm ,簡稱ga )求出底層最優設計變量。
  17. Volume 1 discusses ship geometry and measurement in its more basic concepts, also covering safety issues, structural strength, flotation, trim and stability

    第一冊討論船舶在其更加基礎的理論上的幾何學和測量方法,也包括安全問題,結構強度,下水,調配載重及穩定性。
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