法向力分佈 的英文怎麼說

中文拼音 [xiàngfēn]
法向力分佈 英文
normal force distribution
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  1. It make the principle formula become simpler and more practical. by the attenuation regulation and distributing character of stress wave under the linear charge blasting, the paper bring forward the idea that the columniation stress wave can be regarded as cylinder stress wave, the end stress wave as spherical wave. the perfect stress attenuation formula in radical direction is established in complete elastic medium

    根據條形藥包爆破應特徵及衰減規律,提出了可將條形藥包爆破柱部應波當作柱面波、端部應波當作球面波處理的研究方:建立了理想的完全彈性介質中球藥包和條形藥包爆破徑衰減方程。
  2. This paper simply introduces the device of on - line monitoring for the thrust of the rotating maching, then discu ed the finite dement analyses on the on - line monitoring elastic dement for measuring thrust in detail, in order to develop the performance of the se or and the device, we calculated the distribution of the stre 、 strain 、 axial di lacement in the elastic element using the finite element method when the axial forces f = 3 104n, the result is very satisfied

    簡單介紹大型旋轉機組軸在線監控裝置,然後詳細介紹軸彈性元件的有限元析,為了提高所研製的測傳感器的性能,採用有限元方計算了彈性元件在軸f = 3 104n時的應變、應、靈敏度及軸位移等的情況,析結果表明:所設計的測傳感器完全符合廠方的要求及儀表性能指標。
  3. This article describes the development process of surrogate models and introduces some experiment design methods and approximation approaches that can be used for a mdo surrogate model, they are full factorial experiment design, orthogonal experiment design, uniform experiment design, central - composite experiment design, and polynomial response surface method, kriging method, radial basis function method and artificial neural network

    為此本文中別介紹了正交試驗,均勻試驗以及中心復合試驗等幾種試驗設計方,以及多項式響應面, kriging ,和徑基函數等幾種數學近似方。並且通過構造描述機翼展的代理模型,對上述幾種方作了對比析。
  4. In the hogging condition, double bottom and the side shell remain the ultimate bucking strength, deck and upperwing tank remain the yield stress, and the other parts keep elasticity. then the key to calculate the ultimate strength of ship hull girders is to ascertain the ultimate bucking strength of the stiffened panels. in this regard, the developed formulation is designed to be more sophisticated than previous simplified theoretical method for calculating the ultimate strength of stiffened panels under combined in - plane bending and lateral pressure. fabricatio n - related initial imperfections ( initial deflections and residual stresses ) are included in the panel ultimate strength calculation as parameters of influence. all possible collapse modes involed in collapse of stiffened panels, including overall buckling collapse, column or beam - column type collapse, tripping of stiffeners and local bukling of stiffened web are considered

    確定了船體梁整體破壞時的剖面應之後,關鍵在於確定板架的極限屈曲強度。本文充考慮了在縱彎曲、橫作用下加筋板可能發生的幾種破壞模式,即板架的整體屈曲破壞、樑柱形式的破壞、筋的側傾、腹板的屈曲並同時考慮了初始焊接殘余應、初撓度的影響,使其更精確的計算加筋板的屈曲強度。對于加筋板中加強筋腹板的局部屈曲,採用解析推導出筋的腹板的撓度方程及其邊界條件,求解相應的方程,從而計算出腹板的局部屈曲應
  5. ( 2 ) respectively by elastic theory analyses and methods of structural mechanics, transverse static analytical equations for flexible pipeline rigid pipeline are established whose outcomes are applied in numerical example to compare those with that by finite element method. ( 3 ) considering interaction of filled soil, pipeline and foundation, with an eye to non - linear soil model, in view of the initial geo - stress field and the effects of interface between soil and pipeline, and by finite element method the calculational model and method are built for transverse stress in pipeline. then, by the great finite element analytical software ansys, those outcomes are applied in calculation example of positive buried pipe to educe the distribution of circumjacent soil pressure and stresses on cross section and to compare it with that calculated by conventional ways before those outcomes are applied in engineering case of positive buried pipe with flexible filled materials to confirm distribution of soil pressures after the measure for reduction and to compare it with measurements. as a result, the model set up in this paper is proved to be applicable after all above - mentioned analyses

    本文基於彈性理論和有限元原理與方析了上埋式地下管道橫學計算方和性狀並探討了上埋式地下管道的減荷等問題: ( 1 )在析現有幾種典型的管道垂直土壓計算方的基礎上,探討了影響垂直土壓的主要因素以及改進的方; ( 2 )別通過彈性理論和結構學的方,建立了地下管道柔性圓環和剛性管涵的橫計算方程,並應用在算例中,把所得結果和有限元方所得結果進行對比析; ( 3 )考慮填土、管道和基礎的共同作用、土體的非線性特性、初始應場以及土體和管道的接觸面因素的影響,利用有限元的思路,建立了地下管道橫學有限元計算模型和方,並且採用大型有限元析軟體ansys ,針對上埋式管道工程算例,得出了管周土壓以及管道橫截面應狀況和規律,並和理論值進行對比;針對施加柔性填料的上埋式管道工程實例,得出了減荷后的土壓,並和實測值進行了對比。
  6. Using the complex potential method in the plane theory of elasticity of an anisotropic body, the series solution of finite anisotropic thin plate containing an elliptical inclusion is proposed with the help of faber series. a hybrid element with an elliptical inclusion for anisotropic materials is obtained by using the hybrid variable principle, and the element efficiency is verified by numerical examples. the state of the damage is modeled by an elliptical soft inclusion, and using the point stress criterion based on characteristic curve and yamada - sun etc. criteria, the prediction of the strength of a composite laminate with damage is set up

    首先基於經典層板理論,將復合材料層板的彈性問題化歸為均勻各異性板來求解;採用各異性體平面彈性理論中的復勢方,以faber級數為工具,給出了有限大含橢圓核各異性板彈性問題的級數解形式;利用雜交變原理,成功導出含橢圓核各異性板雜交應有限元,並用算例驗證了該單元的可行性和有效性;採用含剛度折減橢圓形彈性核的沖擊損傷模型,引入基於特徵曲線和yamada - sun破壞準則的點應判據,建立了含損傷復合材料層板剩餘強度的析方;通過數值計算詳細討論了各種幾何參數對損傷層板應、剩餘強度的影響,得到了一系列對工程應用具有實用價值的結論。
  7. Proceeding with the support " s force condition is analysed in the static and revolve state, the stress distributions in the contact areas of support and roller are researched by way of hertz theory, the tow - dimensional elastic movement of the contact area is studied by contact mechanics, and the formula and curve of movement regulation are deduced

    從回轉窯靜止與運轉時支承的受情況析著手,依據赫茲接觸理論對托輪與滾圈接觸區的壓進行了析,並用接觸學方研究了接觸區的二維彈性滑動,推導出回轉窯軸下滑計算公式,從而得出回轉窯軸下滑特性曲線。
  8. 4. combined with the design of the three gorges prestressed concrete penstock with steel liner in the three gorges power. station, the consistence among the results of theory calculating, the analysis of plane finite element and three dimensional finite element is proved, the concrete stress distributions of the prestressed concrete penstock are analyzed with different steel liner thicknesses, different crack resistances, different concrete thicknesses and different initial radial gaps between steel liner and concrete. the feasibility of the design method of prestressed concrete penstock with steel liner is proved

    結合三峽電站鋼襯預應混凝土聯合受管道的設計方案選擇及論證析,對比析了鋼襯預應混凝土壓管道理論計算、平面有限元和管壩整體三維有限元析結果的一致性,確定了管道結構在不同鋼襯厚度、不同抗裂度要求、不同外包混凝土厚度及不同鋼襯與管壁混凝土間初始徑間隙等因素影響下的內規律,驗證了鋼襯預應混凝土壓管道的設計方
  9. By means of similar simulation, lateral abutment pressure distribution and concentration degree which at the face of the upper coal, the distance between peak stress and coal surface, the influence circle of abutment pressure, and the transfer and weakening of concentrated pressure at the bottom side are analyzed on actual geology data in pingdingshan 8th mine f15 and f ( subscript 16 - 17 )

    摘要採用相似模擬的方,以平頂山八礦己二采區己15和己(下標16 - 17 )煤層實際地質資料為基礎,析了近距離煤層上煤層開采時,在上煤層采場兩側的支承壓及集中程度、峰值距煤壁的距離、支承壓的影響范圍;一定范圍內底板中集中應的傳遞及漸衰減特徵。
  10. In order to study the pressure - swirl nozzle ' s atomization characteristic, the particle diameter distributions along axis of the nozzle have been measured by immerging

    摘要為了研究一種高壓靜電壓旋轉噴嘴的霧化特性,採用浸入測量了該噴嘴噴霧霧滴粒徑在噴嘴軸狀況。
  11. The stress and working pressure on teeth of the staged nut in screw presses has been studied by fem method which proves that using staged nut in screw presses is helpful for improving the non - uniform distribution of stress and working pressure on the teeth and extending the working life of the screw

    摘要採用了有限元對滑動螺旋壓機的階梯式螺母進行了受析,研究了螺母螺牙應及螺牙工作面的接觸壓,並將階梯式螺母與普通螺母進行對比,認為螺旋壓機中使用階梯式螺母有利於改善螺牙牙根應不均和螺牙工作面的接觸壓不均的情況,從而提高螺旋工作壽命。
  12. 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

    通過析比較,論證了對數螺旋線型比圓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極限平衡析土釘支護的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、土體學參數的關系、土釘總與庫侖土壓間的關系等結論;採用大型通用有限元數值析程序ansys別對採用土釘支護的一階邊坡、二階邊坡進行析,重點是研究各排土釘的軸規律、開挖方式及原始邊坡形態對土釘的軸的影響、上下階邊坡在土釘軸方面的相互作用,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;通過土壓析對朗肯、庫侖兩種經典土壓理論的區別與聯系、坡面傾斜及墻背有摩擦時的坡面豎、面板背土壓形態作了研究,得出了邊坡支擋土壓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有利等結論。
  13. The mechanism is divided into finite elements and researched by ked method. then kinematic differential equations are established for each element and the general kinematic differential equations are built through assembling all the elements. a closed numerical method based on the mode superposition principle is employed to solve the equations

    將四連桿機構劃為多個有限單元,建立其單元運動微方程和系統運動微方程,運用實振型疊加的閉式演算求出機構在一個運動周期中各個廣義坐標方的彈性位移,同時求出機構不同位置時各構件上動應情況、機構前四階振型變化情況。
  14. Both the effect of substrate deformation and the state of large deflection of the microbridge are involved in the theoretical expression. furthermore, the distribution of axial stress in the micro bridge is discussed in detail by taking different shapes of cross section into consideration. and a shape factor is introduced into the expression, which simplifies the theoretical expression

    理論上對薄膜微橋的公式進行了進一步的化簡,在考慮襯底變形貢獻和大撓度的基礎上,進一步探討了微機械加工過程中不同橫截面形狀的情形;並對矩形和梯形截面微橋的軸作了析,補充和發展了薄膜微橋的理論;引入了橫截面形狀修正因子,簡化了公式的表達和計算。
  15. Normal stress distribution on the inner cylinder forced by power law fluid flowing in annulus with inner cylinder executing a planetary motion

    冪律流體在內管做行星運動的環空中流動時的內管
  16. Based on the reynolds " lubrication approximation, and utilizing the small parameter method, the velocity and the pressure equations for two spheres translating normally and tangentially with an interstitial second - order fluid are derived for modeling wet granular assembles using the discrete element method. as a result, analytical solution for the tangential force and the torque were obtained

    採用reynolds潤滑理論和小參數等研究了存在填隙二階流體時兩球及切運動時的運動,位移及壓規律,從而求出擠壓或切、阻矩的解析解。
  17. 4. dicussing soil pressure ( supposed as p ) and level displacement ( supposed as s ) in condition that consideration time performance, the relation is p = ae, when the defomation of wall has evidently effect on the soil pressure. 5. the deformation of wall ( supposed as sw ) leads to soil layer sedimentation ( supposed as pw ), the research find pw = 1. 22sw 6. the artifical neural networks has vast and applied foreground in the information construcion of deep foundation excluding the accidental factor

    4 、探討了考慮時間效應的土壓和位移關系曲線,認為在當墻體的變形對土壓產生明顯影響時,二者間的關系可用一指數函數來表達: p = ae ~ ( ( / s ) ) 5 、墻體側變形,導致墻後土體產生沉降,在本次研究中,排除掉基坑降水施工因素的影響,由墻體變形導致的墻後土體沉降,二者具有p _ w = 1 . 22s _ w關系; 6 、將基於時間窗口滾動多步神經網路預測方和應用於深基坑工程墻體變形的預測工作,具有較高的預測精度,該方在巖土工程變形預測方中具有廣泛的應用前景。
  18. An improved distribution method of the horizontal lateral forces to the planar structures and a new one to the structures with torsional responses are presented. the example of the pushover analysis testifies the validity and feasibility of the studied distribution method, and the potentiality of the use of static pushover analysis method to irregular structures is also proved. the capacity spectrum method of the structural performance evaluation is discussed in this paper

    對鋼筋混凝土結構靜推覆析( push ? over )的研究,主要討論了靜推覆析中水平側形式,提出了一種平面結構的改進水平側形式和樓層平面出現不可忽略扭轉反應的空間結構的水平側,並用推覆析實例驗證了所提出的水平側形式的正確性和可行性以及靜推覆析適用於不規則結構的可能性,同時也驗證了結構變形控制抗震設計方的合理性。
  19. Through leading the files into the stability analysis of ansys, ultimate load in the effect of residual stress can be gained. the method can be applicable to simulate difficult distribution of the residual stress

    該方通過指定單元沿厚度方5個積點處的應值,來反映冷彎殘余應沿厚度方變化的特點,並適用於模擬各種殘余應
  20. Typical earthquake records are selected and artificial earthquake wave under consideration are designed according to the response spectrum of chinese code. nonlinear time history analysis ( nl - tha ) to each building with the eight earthquake wave altogether as input are conducted, and the pushover analysis ( poa ) and the capacity - demand - diagram methods ( cddm ) analysis with five common lateral force patterns are carried out on each building

    別對各結構進行典型地震動下的時程析,以及採用五種常用側的pushover析與能析,根據等頂點位移原則對比不同地震動強度下兩者的層間位移反應,對不同層數結構以及不同地震動強度下pushover析的側選取提出了建議。
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