極限圓 的英文怎麼說

中文拼音 [xiànyuán]
極限圓 英文
horicycle
  • : i 名詞1 (頂點; 盡頭) the utmost point; extreme 2 (地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
  • 極限 : 1 (最高的限度) the limit; the maximum; the ultimate limit; limitation; extremity; tipping point...
  1. Calculation of load capacity of cylindrical gears ; endurance limits and material qualities

    柱齒輪承載能力計算.疲勞和材料質量
  2. This paper presents a manufacture and calculating method for castellated beams. according to the method, three beams are designed and tested, the detailed and trustworthy experimental data are obtained. in comparison of the castellated beam with the circular hole castellated beams during the process, that the yield of load and the strength limit for the latter are higher than the former is verified

    本文通過設計製造兩種不同截面形式的3根蜂窩梁( 2根孔、 1根六邊形孔) ,進行了兩點集中荷載下的試驗,取得了較為翔實可靠的試驗數據,通過整理與分析,對兩種蜂窩梁的整體受力性能和承載力作出評價,得出孔蜂窩梁的屈服荷載和承載力都高於六邊形孔蜂窩梁的結論。
  3. They are applied to different situations and verified by experiments. analysis model of small ap oblique penetrating ceramic / metal light armor is established on the basis of energy model and the assumption of ellipse absorbing the same energy in back plate, giving the predictable formula about ballistic limit velocity. with energy model the optimization design in relation to ceramic / metal light armor is analyzed and the optimal coefficient of ceramic / metal composite armor is gained

    本文的主要研究內容如下: (一)建立了小型穿甲彈垂直侵徹陶瓷/金屬輕型裝甲的動量模型和能量模型,它們分別適用不同情況,並通過試驗驗證;基於能量模型和背板橢吸能相同假設,建立了小型穿甲彈斜侵徹陶瓷/金屬輕型裝甲的分析模型,給出了彈道速度預測公式;利用能量模型對陶瓷/金屬輕型裝甲的優化設計進行了分析,給出了陶瓷/金屬復合裝甲的最佳優化系數。
  4. In this paper, based on the analysis of the rlem of theory foundation, computing method, preference, applicability, etc, we anatomized the rlem of three self - deficiencies and six scarcities. moreover, we adopted the parallel ways of contrasting the rlem with the fem and applied it to analyzing the impact of slide block of elasticity and plasticity, slip surface of coefficient and slip bed of elasticity, plasticity upon the stability of slope and in the plain linearity slope, the plain refracted line slope and the plain arc slope. in addition, we discussed the warp of between the lem of ( sarma, janbu, order, bishop, morgenstera - price, etc ) and the fem of result and the distributing of positive stress and shear stress on the slip surface

    本文從剖析剛體平衡法的理論基礎、計算方法、參數選取、適用條件等方面入手,剖析了剛體平衡方法的3點自身缺陷和6點不足,並在此基礎上採用了剛體平衡法(平面滑動破壞法、 sarma法、傳遞系數法、普遍條分法、 janbu法、 bishop法、 morgenstern - price法)與大型有元法對比研究的方法,分析研究了平面直線型滑坡、平面折線型滑坡、平面弧型滑坡在漸進破壞中邊坡的滑體彈塑性參數、滑麵塑性參數) 、滑床的彈塑性、以及平衡法無法考慮開挖應力釋放等因素對邊坡穩定性的影響與滑動面上的正應力、剪應力分佈規律、安全系數的解答的差異。
  5. Equation ( 4 ) is said to belong to limit circle type if all solutions of equation ( 4 ) belong to l ~ ( 2 ) ( simply denoted by l. c. ) equation ( 4 ) is said to belong to lagrange stable if all solutions of equation ( 4 ) belong to ( simply denoted by l. s. ). in chapter 4, we study criteria for the linear nonhomogeneous differential equation belonging to the limit circle type

    方程( 』 )稱為極限圓型的,若方程( 』 )的所有解都屬于護[ a , co ) (簡記為l . c . ) ;方程( 』 )稱為拉格拉日穩定,若方程( 』 )的所有解均屬于lco [ a , co ) (簡記為l . s . ) .由於方程( 』 )解的平方可積性及有界性的研究在微分運算元理論、按微分方程的特徵函數展開理論以及無界區間上受控系統的最佳控制理論等方面具有重要應用
  6. The vector magnetic potential of a system consisting a line electric current and an infinite long magnetic dielectric column is calculated with the method of separation of variables and method of images, it is pionted out that the vector magnetic potential of a system consisting a line electric current and a magnetic dielectric plane, an ideal paramagnetic column, a superconductor column, and a line electric current in homogeneous magnetic field can all be deduced from our calculation

    摘要用鏡象電流法和分離變量法計算了線電流與無長磁介質柱系統的磁矢勢,指出線電流與無大磁介質分界平面、線電流與超導體柱、均勻外磁場中有磁介質柱系統時的磁矢勢都可以由線電流與磁介質柱系統的磁矢勢的情形給出。
  7. 9. nonline transient temperature field was analyzed for concrete - filled square steel tubular columns. fire resisting limit of concrete - filled square steel tubular columns was discussed. 10

    對內()鋼管增強方鋼管混凝土柱在火災高溫下的非線性瞬態溫度場進行了分析,討論了內()鋼管增強方鋼管混凝土柱的耐火
  8. Finite - element study on the ultimate strength of planer overlap tubular k - joints and full scale tests on the ultimate strength of chs joints are researched in this dissertation

    本文研究的內容主要包括平面k型鋼管搭接節點承載力的有元研究和鋼管相貫節點承載力的足尺試驗研究兩部分。
  9. Iso systems of limits and fits ; testing of workpiece elements with cylindrical and parallel mating surfaces

    Iso和配合體系.柱配合面和平行配合面工件要素
  10. The judge of second orderdifferential operator which belongs to limit circular

    二階微分運算元屬于極限圓型的判定
  11. The formulas for calculating top limitation of drawing originated from the deformation limits on the flange and the wall of cylindrical articles are developed

    柱形零件的凸緣上和壁上的允許變形出發,獲得了拉伸程度的計算公式。
  12. The application of mises yield condition in limit analyse of plasticity

    屈服條件在固支板塑性分析中的應用
  13. This article studies on damaged round steel tube members and at the same time both material nonlinearity and geometric nonlinearity are considered in calculation. numerical integration method is planed to be adopted to analyses the ultimate bearing cap acity of damaged round steel tube members

    本文研究同時考慮材料非線性和幾何非線性的特點,採用數值積分方法,對受損鋼管軸壓桿件的承載能力進行分析。
  14. According to the theory of numerical integration calculation programs are complied to calculate the ultimate bearing capacity of damaged round steel tube members. thus the impacts of different damage notch depths and different damage zone lengths on round steel tube members " stability ultimate bearing capacity can be discussed

    根據數值積分原理,編制受損鋼管軸壓桿件承載能力的計算程序,並對受損傷的桿件穩定承載力問題進行計算分析,討論不同損傷情況對桿件穩定承載力的影響。
  15. 2. by using the internal force - decomposability method, a numerical means was applied for the analysis of the test data, so we can probe into the situation of the internal force change on the steel and rpc, based on these, the simplified calculating formula is suggested

    2 、採用內力分解分析法,對鋼管rpc試件試驗數據進行數值分析,分別探討了鋼管rpc在荷載狀態下的鋼管和rpc各自的內力變化情況,據此,提出鋼管rpc承載力的簡化計算公式。
  16. Accordring to basic concept and assumes essentially on the basic of sweden method of slices, be living below the maximum equilibrium state, the function expression about stability safety homogeneous slop is deduced, and the slope surface is consist of two lines and an arc, afterwards according to analysis theory of minimal value ruling on the basic of the maximum, genetic algorithm is applied to slove the dangerousest slide situation and radius and corresponding safely factor

    根據瑞典弧法的基本概念和基本假定,在平衡狀態下,推導了兩直線段均質斜坡穩定性安全系數函數表達式,然後根據分析理論的小值原理,利用遺傳演算法,求出了邊坡穩定性安全系數小值,並得到最危險滑動面的滑弧半徑和滑弧中心坐標。
  17. With the help of this program, this paper does research on the moved backwards of the slide surface, lengthening the anchor section, the soil nail ' s total force, gets conclusion about relations between the soil nail ' s length and the slope ' s grade, height, soil ' s mechanical parameter ; relations between soil nail ' s total force and coulomb soil pressure. with the help of the large multiuse finite element program ansys, this paper analyzes the soil nailing in one - step ' s slopes, in two - steps " slopes, puts the emphasis on the axis force ' s distributing along the soil nail at each rows, the effect of both the excavating mode and the original slope figure to the axis force of the soil nail, the one another effect between the upper - step slope and the nether - step slope in the soil nail ' s axis force, gets conclusion about the design of soil nail at the first low, different slope body is the same with different excavating mode, the original slope figure has more effect to some than others because of the slope body, the reasonably design of the step width in two - steps slopes, the two - steps excavating and retaining has more virtue than the one - step ' s. through soil pressure analysis this paper does research on the differences and the links between the coulomb soil pressure theory and the rankin ' s, the vertical pressure at the slope surface when the slope surface is inclined and the retaining wall is rough, the soil pressure ' s distributing behind the panel, gets conclusion about the effect of both the slope body inner stability and the slope surface local stability to the soil pressure

    通過分析比較,論證了對數螺旋線型比弧形作為邊坡的假設滑裂面具有較多的工程優點,並為此編制了一個採用平衡法分析土釘支護的fortran語言程序,以此作工具對滑裂面的后移、土釘錨固段的超長、土釘總力的大小等方面作了研究,得出了有關土釘的長度與邊坡的坡角、坡高、土體力學參數的關系、土釘總力與庫侖土壓力間的關系等結論;採用大型通用有元數值分析程序ansys分別對採用土釘支護的一階邊坡、二階邊坡進行分析,重點是研究各排土釘的軸力分佈規律、開挖方式及原始邊坡形態對土釘的軸力的影響、上下階邊坡在土釘軸力方面的相互作用,得出了有關第一排土釘的設計問題、不同類型的土體應適用於特定的開挖方式、原始開挖出的邊坡形態對一些類型坡體的邊坡土釘支護有較大的影響而對另外一些影響不大、二階邊坡臺階寬度的合理確定、二階開挖及支護比一階時具有較多的工程優點等結論;通過土壓力分析對朗肯、庫侖兩種經典土壓力理論的區別與聯系、坡面傾斜及墻背有摩擦時的坡面豎向應力分佈、面板背土壓力的分佈形態作了研究,得出了邊坡支擋土壓力受坡體內部穩定與坡面局部穩定兩個方面的影響、土釘支護面板背土體中卸荷拱的存在對面板受力有利等結論。
  18. Especially, when the isocline of x is monotone decreasing in 0 < x < 1, the svstem has no limit cycle and is globally stable ; next, we construct a saddle bifurcation at the boundary equilibrium and a degenerated bogdanov - takens bifurcation at the interior equilibrium by choosing appropriate parameter values in the following two sections, where our work are based on the theory of central manifolds and normal torms. we prove that is a codimention 3 focus - type equilibrium. system ( 6. 1 ) will have two limit cycles at some appropriate bifurcation parameter values, and have homoclinic or double - homoclinic orbits at some other appropriate bifurcation parameter values ; at last, we study the qualitative properties of the system at infinite in the poincare sphere

    因為系統在( 0 , 0 )點處沒有定義,這給研究其在( 0 , 0 )附近的動力學性質帶來了困難,我們應用文獻[ 17 ]中關于研究非線性方程奇點的系列理論和方法,滿解決了這一問題,給出了第一象內當t +或t -時,在全參數狀態下系統的軌線趨于( 0 , 0 )點的所有可能情況,其相圖也得以描繪;並且,系統不存在環的幾個充分條件我們也予以列出,當x的等傾線在0 x 1范圍內遞減時,系統不存在環,全局漸近穩定;然後,我們以中心流形定理和正規型方法為主要工具,巧妙選擇參數,分別構造了一個余維2的鞍點分岔和一個余維3退化bogdanov - takens分岔,證明了平衡點是余維3的焦點型平衡點,存在參數, m ,的值使得系統( 6 . 1 )有兩個環,還存在參數, m ,的另外值使得系統( 6 . 1 )有同宿軌或雙同宿軌。
  19. A limit analysis model for laterally loaded large - diameter cylinder embedded in soft clay

    軟粘土中插入式大直徑薄壁筒結構的一種狀態分析模型
  20. The characteristic determinant of the second order singular differential operator in limit - circle case

    兩端奇異微分運算元在極限圓情形下的特徵行列式
分享友人