weight displacement 中文意思是什麼

weight displacement 解釋
噸位排水量
  • weight : n 1 重量;體重;求心力,重力,(地心)引力。2 斤兩,分量,衡,計重單位。3 (壓東西的)重物。4 砝...
  • displacement : n 1 轉位,移動;取代,置換;(人的)流離失所。2 撤換,免職。3 【機械工程】(活塞)排氣量;【航海...
  1. The evolution laws of structural weight, the best optimum fitness, average fitness, maximum nodal stress and displacement with increasing generations are discussed. and multi - result fact of the topology optimization can be obtained by ga - fem. the research results in this thesis show that the developed method is successful in the topology optimization for 2d continuum structures under multi - load and multi - constrain conditions

    上述工作表明,本文ga ? fem可以實現多載荷、多約束條件下平面連續結構拓撲優化,與eso等優化方法獲得的優化結果相比,本文的優化結果不存在單元鉸接和不連續單元,優化結構多樣,質量更小,效果更優。
  2. Besides, this paper adopts the random finite element method, uses geometric and physical mechanical parameters that are relevant to lining weight of surrounding rock, coefficient of lateral pressure, height or buried depth of vertical loading, elastic resistance coefficients of surrounding rock, elastic modulus of support structure, unit weight of concrete, thickness of the structure as well as torsional strength and compression strength of concrete and etc., as random variables, applies the monte - carlo method to sampling by computer, preliminarily evaluates the reliability of bearing capacity and stability of molded concrete lining of the xuefeng mountain tunnel, and obtains the related displacement of the lining, mean value and variance of internal force, and computed the reliability index of lining structures

    此外,本文採用隨機有限元方法,將圍巖容重、側壓力系數、垂直荷載高度或埋深、圍巖的彈性抗力系數、支護結構的彈性模量、混凝土容重、結構的厚度以及混凝土的抗扭與抗壓強度等與襯砌結構有關的幾何與物理力學參數作為隨機變量,應用蒙特卡洛理論進行計算機隨機取樣,對雪峰山隧道模注混凝土襯砌的承載力與穩定性的可靠度進行了初步評估,得出了襯砌的相關位移與內力的均值和方差,並計算出了相應的襯砌結構可靠指標。
  3. It also includes three aspects : ( 1 ) can decrease the strength of the structure surface ; ( 2 ) can increase the weight of the land slope ; ( 3 ) the dynamic hydraulic pressure can decrease the stability of the land slope. the third, the analysis of the relationship between rainfall and the displacement of land slope. by means of studying on landslide kafang, gejiu and dahongshan, xinping with plenty of observed data about the rainfall and the displacement, the thesis analyzed the regularity of landslide

    通過對國內外邊坡工程的穩定性分析的資料學習研究和兩個滑坡的工程實例的研究,闡述了: ( 1 )邊坡工程研究領域中穩定性分析的主要方法,並根據計算過程和結果,提出穩定性分析的一些改進的建議; ( 2 )降雨對邊坡穩定性的影響,主要是三個方面:一是軟化結構面的強度,二是增加滑體的自重,三是動水壓力降低滑坡穩定性; ( 3 )降雨與滑坡變形的關系分析,通過多次的變形觀測資料和降雨資料,研究滑坡變形的規律性。
  4. Instead of saying the ship ' s weight is so many thousand tons, we say its displacement is that many tons

    我們不說船的重量為多少千噸,而說船的排水量是多少噸位。
  5. Displacement polarization is directly proportional to loading electric field ; turning - direction polarization results from the average of domain ' s inherent electric moment in the polarization direction by the weight of boltzmann energy

    位移極化正比于外加電場;將電疇的固有電矩在極化方向按玻爾茲曼能量取加權平均得到轉向極化。
  6. These geometric nonlinear behaviors such as the sag of inclined cables caused by their own dead weight, the interaction of large bending moment and axial forces in girders and towers, and the large displacement effects are considered during calculation. newton - raphson method and the displacement convergence norm are used to approach the solution iteratively

    計算過程中計及了拉索的垂度效應,彎矩和軸力對主梁和主塔的組合效應以及結構的大變形效應等幾何非線性影響因素,採用newton - raphson方法和位移收斂準則進行迭代求解。
  7. The halt is obtained by the displacement of the horse ' s weight to the hindquarters by a properly increased action of the seat and legs of the rider, driving the horse towards a softly closed hand, causing an almost instantaneous but not abrupt halt at a previously fixed place

    立定是靠騎手適度加強騎坐和腳的操作,使馬體重量移向後軀,驅使馬朝向騎手柔軟封閉的手上,因而在幾乎瞬間但又不突然的在預定的位置上停穩。
  8. The result indicates that displacement characteristics of unsheared polymer solution is better than the same viscosity polymer solution after sheared, the injection pressure of the unsheared polymer solution is higher than the same viscosity polymer solution after being sheared in the same permeability core, the lower the permeability, the bigger the molecule weight and the bigger the difference, as to the every layer of the secondary oil layer, it is feasible to displace oil with the polymer solution after sheared, and the eor of the polymer flooding can increase more than 9. 84 %

    結果表明:未經剪切的聚合物溶液的驅油效果好於經剪切之後的相同相對分子質量的聚合物溶液的驅油效果;對于相同滲透率的巖心,未經剪切的聚合物溶液比經過剪切相同相對分子質量聚合物溶液的注入壓力高,而且滲透率越低,相對分子質量越大,差異越大;對於二類油層的各滲透率小層,進行經剪切后聚合物溶液驅油是可行的,聚驅采出程度提高幅度均超過9 . 84 % 。
  9. Based on finite element and general reliability analysis, the structural optimization design model based on probability is constructed, which refers the cross - section areas as the design variables, refers the minimum of the frame ’ s weight as the object with the reliability restricts of stress and displacement

    在結構廣義可靠性分析的基礎上,構建了以桿截面積為設計變量,使結構重量極小化為目標函數,同時具有應力和位移廣義可靠性約束的優化設計數學模型,並將其應用於天線結構的優化設計之中。
  10. First of all, the hexahedral meshes are chosen as the cover system of nmm. the cover system of three - dimensional nmm, displacement functions in the all cover systems, the selection of weight functions, diversified unit matrix and numerical integral method of manifold element ( hammer integral method ) are discussed in detail

    文中首先選取標準的三維六面體網格作為流形方法的基本覆蓋,研究了三維數值流形方法的有限覆蓋系統、各階覆蓋位移函數、單元權函數的選取、三維數值流形方法中的各種單元矩陣、以及流形單元的數值積分方法( hammer積分方法) 。
  11. According to the principle of moment balance, the weight value and position of the center of gravity of the balances, the displacement value of the center of gravity of the freight loaded, and the amount of reducing the off - gauge grades are analysed and deduced

    通過在貨物外形輪廓關于中心線不對稱的3種方式下,依據力矩平衡原理進行分析、推導,確定出配重物的重量和重心位置、貨物裝載中心的位移值及降低貨物超限等級的程度。
  12. Under the horizontal earthquake action and wind force, aim at " the pure frame structure with rectangle columns ", " the pure frame structure with special - shaped columns ", " the frame - truss structure with special - shaped columns " and " frame - shear wall structure with special - shaped columns ", earthquake action analysis was done by the spacial finite element method through the changes structural parameter. analyzing systematically " structure vibration mode ", " vibration period ", " structure lateral rigidity ", " seismic action force ", " seismic response force ", " floor seismic shear force ", " lateral horizontal displacement of structure " and " members internal force ". results indicate : ( 1 ) based on equal area, the special - shaped columns replaced the rectangle columns, the structural lateral rigidity enlarges, the lateral displacement minishes obviously, the earthquake response increase slightly, the biggest increasing amount of frame columns axis - compress ratio is smaller than 0. 08. the whole aseismic performance of structure has improved ; ( 2 ) when the section ' s length and section ' s thickness ratio of special - shaped columns is smaller than 3. 6, the structure benefits to resist seismic action ; ( 3 ) the angle of horizontal seismic action with the whole coordinate is 0 degree, structure earthquake response is bigger, belonging to a control factor of structure aseismic design ; ( 4 ) the frame - truss structure with special - shaped columns and the " a " - brace has the biggest lateral rigidity ; ( 5 ) the frame - shear wall structure with special - shaped columns have bigger lateral rigidity and smaller displacement, members internal force enlarged just rightly, have much superiority of resisting seismic action ; ( 6 ) in the higher seismic fortification criterion region ( 8 degree of seismic fortification intensity ), aseismic disadvantageous building site ( iii type site ), adopting special - shaped columns structure system, should reduce possibly the building ' s self - weight in order to reduce the earthquake response ; ( 7 ) the response spectrum method of computing seismic response and the time - history analysis method have similar analysis result

    西安理工大學碩士學位論文在水平地震作用下,並考慮風荷載組合,分別對「矩形柱純框架結構」 、 「異型柱純框架結構」 、 「異型柱框一析架結構」及「異型柱框-剪結構」等四種結構體系,通過改變結構參數,運用空間有限元方法,進行地震作用計算。系統地分析研究「結構振型」 、 「振動周期」 、 「結構側向剛度」 、 「結構地震反應力」 、 「樓層地震剪力」 、 「結構側向位移」 、 「層間位移角」 ,以及「構件內力」 。結果表明:在等面積原則下,異型柱代換矩形柱后,結構剛度增大,側向位移明顯減小,地震反應力略有增加,框架柱軸壓比最大增幅小於8 % ,結構整體抗震性能有所提高;當異型柱肢長肢厚比小於等於3 . 6時,結構有利於抗震;水平地震作用力與整體坐標夾角為0度時,結構地震作用效應較大,屬結構設計的控制因素之一;異型柱框一析架結構採用「人」字斜撐,側向剛度大於「八」字斜撐和「人一八」字混合斜撐;異型柱框一剪結構側向剛度大、位移小,構件內力增大適中,是一種抗震性能優越的結構體系:在抗震設防烈度較高地區( 8度)和抗震不利的建築場地( m類場地) ,採用異型柱結構體系時,應盡可能減輕結構自重,降低地震作用力;分別採用「振型分解反應譜」法和「時程分析」法進行地震作用計算,兩種方法所得結果基本一致。
  13. The bar sectional sizes are optimized to make the weight of the structure minimized under constraints of stress, displacement and local stability. at the second step, supposing the active displacement constraints of the first step keeping unchanged. a quadratic programming model that increases the structural rigidity is solved

    求解時分為兩層,第一層在給定節點位置下對桿件截面進行優化,同時考慮了應力、局部穩定約束和位移約束的重量最輕;第二層假定截面層的有效位移約束作用不變,求解一個使桁架剛度增強的二次規劃問題,獲得既不違反約束,又使目標函數不上升的新的節點位置,再返回第一層。
  14. The optimal model of truss structure is established, in which the cross sectional areas of bar are taken as design variables, the structure weight is taken as objective function. in the process, the reliability of structural displacement and bar stress and the fundamental frequency are taken as constraint functions. from the engineering practice, all the reliability constraints, which are implicit generally with the design variables, are equalized and transferred to the conventional explicit constraints

    本文將主要考慮桁架結構的優化問題,首先建立數學模型,即以桁架的橫截面積為設計變量、以重量最小為優化目標,位移、應力等可靠性及基頻為約束條件;最後,從工程實際出發,對結構系統的可靠性隱形約束進行等價顯化處理,使之轉化為常規的橫截面積優化問題。
  15. The significant characteristics of the new afm include : ( i ) it has a horizontally designed probe unit, and the direction of cantilever ' s weight was perpendicular to the atomic force, thus the effect of cantilever ' s weight on the imaging quality can be effectively avoided ; ( ii ) it owns a particular path of optical beam deflection method for the measurement of cantilever ' s displacement

    臥式afm探頭系統的顯著特色是,微懸臂重力與原子力方向相互垂直,有效地避免了重力對微懸臂及成像質量的影響,從而在設計方法上保證了afm的性能。本文在方法上的另一創新是,發展了獨特的微懸臂偏轉量的光束偏轉法檢測系統。
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