靜平衡方程 的英文怎麼說
中文拼音 [jìngpínghéngfāngchéng]
靜平衡方程
英文
equation for static equilibrium- 靜 : Ⅰ形容詞1. (安定不動; 平靜) still; calm; motionless 2. (沒有聲響; 清靜) silent; quiet Ⅱ名詞(姓氏) a surname
- 平 : Ⅰ形容詞1 (沒有高低凹凸 不頃斜) flat; level; even; smooth 2 (高度相同; 不相上下) on the same l...
- 衡 : Ⅰ名詞1 (秤桿) the graduated arm of a steelyard2 (稱重量的器具) weighing apparatus3 (姓氏) a...
- 方 : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
- 程 : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
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Second, we discuss the influence of environmental referance potential temperture and thermal wind on mesoscale symmetric instability. we find the expression of disturbance stream function and criterion of symmetric instability by analytical method and conclude that change caused by environmental referance potential temperture with height and thermal wind make critical richardson number and disturbance critical half - wave length of symmetric instability larger, that is to say, they benefit the occurance of symmetric instability. third, we study nonlinear perturbation analysis of mesoscale vertical circulation and evolution equation by means of f - plane. non - hydrostatic balance and filiter model
第二,討論了環境位溫與熱成風因子對中尺度對稱不穩定的影響。運用解析的方法求出了擾動流函數的表達式和對稱不穩定的判據,發現環境參考位溫隨高度的變化與熱成風因子使得對稱不穩定臨界理查遜數及擾動的臨界半波長都變大,這有利於對稱不穩定的發生。第三,採用f平面、非靜力平衡、濾聲波模式,討論了中尺度垂直環流非線性攝動分析及演變方程。The structure of the upper platform on the simulating table that is put forward is analysed with analysis software ansys of finite element. and the mass of subjacent platform for simulating table is calculated with the method of equilibrium of moments under conditions of the simulating table is static or operating no take place overturn
機械設計方面:設計了模擬轉臺上、下平臺的結構,並運用有限元分析軟體ansys對所提出的模擬轉臺上平臺結構進行分析,利用力矩平衡方法計算了模擬轉臺在靜止以及運動過程中不發生傾覆所需要下平臺的質量。This paper focuses on the research of the stress mechanism of the ribbed shell structure in statics, dynamics and under the explosive load on the basis of the engineering practice of cave depot of single aircraft. in this paper, according to the classical shell theories, the basic differential equilibrium of the ribbed shell structure and the finite element analysis of 3d rippled plate are established, in which the function of annular ribs reinforcement bars and 3d ripped steel plates are distributed in the range of the steel, and the functions along the longitude direction of tension, bending, and torsion are neglected ; applied with dynamic analytical theory, the dynamic model of ribbed shell structure and the analytical theory model of elastic - plastic are set up ; the triangle series method is used to solve the displacement and stress under the distributed load and the concentrated load of the ribbed shell structure
本文以軍用機場地面單機掩蔽庫工程建設為工程背景,首次對內襯三維波紋鋼板混凝土拱型復合結構的受力機理進行了靜力、動力和爆炸荷載的分析研究。根據將橫肋、鋼筋及三維波紋鋼板的作用均勻分佈在殼體范圍內的情況,忽略橫肋、鋼筋及三維波紋鋼板沿殼體母線方向的抗拉、抗彎及其抗扭作用,首次推導出了內襯三維波紋鋼板混凝土殼體的微分平衡方程,建立了有限元計算模型,並採用三角函數法,求解了三維波紋鋼板混凝土拱型復合結構在分佈荷載和集中荷載作用下的位移響應和應力響應,並與普通殼體進行了比較。According to elastic mechanics theory and langrage equation, the first order shape function dynamic equation of tension weight of belt conveyor is derived, and the four series of experienced formulas is established, which provide theoretical instructions for determining the location of tension weight and the depth of concealed pit. 1fig., 2tabs., 5refs
根據彈性理論和拉格朗日方程,導出了帶式輸送機平衡錘的一階模態動力學方程,求出了4組便於估算平衡錘振幅的經驗公式,該經驗公式為平衡錘的靜平衡位置及暗井深度的確定提供了理論指導.圖1 ,表2 ,參5In chapter 4, the influences of the earth ' s models on the elastic green ' s function, as well as on the atmospheric loading effects, are discussed using the numerical techniques. the attraction green ' s function is solved out based on the state equations of the ideal gas and the hydrostatic equilibrium equation. the influences of various factors upon the gravity and tilt green ' s functions, as well as upon the gravity and tilt, are considered in detail
第四章:採用數值計算方法,研究了地球模型對彈性項格林函數及其對大氣負荷響應的影響;利用理想氣體方程和流體靜力學平衡方程解算了吸引項格林函數,討論各種因素對大氣重力和傾斜格林函數及其對重力和傾斜的影響;基於球對稱地球模型,給出了武昌站臺站依賴的大氣重力、傾斜格林函數As regards to the spheric thin shell structure under external hydro static pressure, basing on flat - plate theory and by using basic von karman equations for large deflection, the equilibrium problem of axisymmetric bending of the spheric shell under uniform external pressure is simplified to an equilibrium problem of bending of elastic basic flat - plate and further converted into an equilibrium problem of beam on elastic fundation taking into consideration of the deformation characteristics
對球形薄殼結構隨靜水外壓的情況,應用平板理論中的vonkarman大撓度基本方程,將球形薄殼在均勻外壓下的軸對稱彎曲平衡問題簡化為彈性基礎平板的彎曲平衡問題,進而再根據變形特點將其轉化為彈性基礎梁的復雜彎曲平衡問題。We design two different method to build the m - tree called static method and dynamic method separately, and we improve the dynamic initialization process of m - tree scheme by utilizing the dh algorithm. this improvement reduces the encryption cost efficiently in the initialization process. by taking stock of disparity cost between the m - tree and lkh sheme, we found that the encryption cost in joining and leaving operation achieve balance when r = 19
設計了動態和靜態兩種m樹的建立方法,並利用哈希函數改進了動態的初始化過程,減少了初始化過程的加密開銷;總結歸納出skdc , lkh和m樹三種方案的性能分析表;通過觀察m樹和lkh方案開銷差隨r的變化,發現當r = 19時,加入和離開操作的加密開銷達到平衡。In the process of establishing the legal criterion and regulations, the need to protect what social relation and how to comment on the social relation is a problem of interests alternative, which needs to seek the balance and harmony in protecting the safety of both activeness and stillness to satisfy people ' s material and spiritual demands
在制定法律規范、規則的過程中,需要保護什麼樣的社會關系,對社會關系給予何種評價,面臨一個利益選擇問題,需要在保護動的安全和保護靜的安全方面求得平衡和協調,以滿足人們物質文化生活的需要。It is including the structure of neurons, the distribution of ions concentration in or out of the neuron membrane, the electrochemical gradient of ions, the equilibrium potential, the resting potential and action potential of neuron, the ion theory of the transmembrane potential and the hodgkin - huxley ( hh ) equation
包括神經元的結構,神經元細胞膜兩邊離子濃度的分佈,離子的電化學梯度和平衡電位,神經元的靜息電位,動作電位,描述神經元膜兩邊電壓變化的離子學說以及hodgkin - huxley方程。Aimed at the practical performance of soft clay, the static equilibrium equations taking consideration of effect of mass change, with the introduction of soil configuration, soil convection formula and mass conservation theory in soil, are derived, which reveal the phenomenon of coupling of total stress and seepage in equilibrium equations. then, some advisable experimental means are explored to determine the effect of mass change during consolidation. objective stress and strain should be used in large strain analysis
針對軟粘土大變形固結的實際性狀,文中引入了土體構形的概念,土體傳運公式和土體質量守恆定律,並由此導出了考慮變質量效應的大變形固結靜力平衡方程,揭示了平衡方程中存在的總應力與滲流相互耦合的效應,並考慮了固液兩相的可壓縮性,進一步探索了測試變質量效應的試驗方法。Moreover, in the application of aircraft structures design, the composite wing is still to meet the needs of aeroelastic design. through reading the aerodynamic influence coefficient matrix from the nastran file, this paper generates a static aeroelastic equilibrium equation and divergence eigen - equation, which is needed by the aeroelastic tailoring of composite wing. through this equation, the aeroelastic tailoring of composite wing and its optimization design have come into being
此外在飛機結構設計過程中,復合材料翼面結構還要滿足氣動彈性設計的需要,本文通過讀入由nastran所產生的氣動影響系數矩陣,構造出滿足復合材料氣動彈性分析所需要的靜氣動彈性平衡方程和發散特徵方程,並在此基礎上實現了復合材料氣動彈性剪裁優化設計。The validity of the subsection simulation method is proved, in which postprocessing technology is widely used. the sixth, the static simulation is neces sarily to find out the dynamic system ' s initial state for dynamic simulation. the gun is looked upon as a hyper - equilibrium structure, and a so - called " parallel projection method " is brought forward for the gun ' s static simulation
提出了一種求解線性方程組的方法?平行投影法,針對adams對超靜定系統靜態分析不力的情況,研究了求解全炮靜態問題的途徑和方法,並應用平行投影法求解車體懸掛的初始平衡力,求得了較符合客觀事實的解,從而完成了火炮發射前的靜態分析。And the procedure of solving initial prestress by equilibrium matrix theory and simplified method are elucidated. the self - stress mode of sunflower - patterned cable dome must be positive, and the mechanisms mode equals to zero. it seems like statically indeterminate structures and is geometrical stable structure
明確了葵花型索穹頂結構形態分析的具體內容;闡述了用平衡矩陣理論和簡化演算法求解索穹頂結構初始預應力的過程,指出葵花型索穹頂結構的自應力模態s 0且機構位移模態m = 0 ,相當于結構力學中的超靜定結構,同時它也是幾何穩定的結構;提出了考慮結構自重時葵花型索穹頂結構初始預應力的求解方法,這種方法求得的初始預應力更加準確。Euler static balance equation
歐拉靜平衡方程Based on the nonlinear equilibrium equation of the cable - cabin system, a stationary model for position control of the flexible cable - cabin system with large span is established through optimal strategy on the distribution of the driving forces. thus the unlooped control of movement of the cabin is realized by adjusting the lengths of the cables coordinately
在建立非線性艙索系統靜平衡方程的基礎上,採取使驅動力均勻的優化配置策略,建立了大跨度柔性艙索系統的穩態位置控制模型,實現了基於索長調整的饋源艙開環運動控制。The independence of static equilibrium equations
靜力平衡方程的獨立性The time effect of the settlement of single pile in a homogeneous soil was investigated. the interface between pile and soil was simulated by voigt model, and the analytical relationship of settlement and time of single pile in homogeneous soil was obtained by the method of separating variables
均質地基中單樁沉降的時間效應研究將樁周土對樁的作用簡化為voigt體模型,建立了均質地基中考慮土體粘彈性的單樁靜力平衡方程,成功地將時間因素與單樁的沉降聯系起來。The influence of soil on the pile was simulated by voigt model according to the layered characteristic of soil surrounding the pile. the semi - analytical solution for the relationship between the pile head settlement and time was obtained by laplace transform method and fourier inverse method. by using the solution, the influence of all relevant parameters on the pile settlement behavior was investigated and discussed
成層廣義voigt體地基中單樁沉降的時間效應研究將成層地基中每一層土對樁的作用簡化為廣義voigt體模型,由此建立了單樁的靜力平衡方程,並求解得到了成層地基中靜荷載下單樁樁頂沉降在拉普拉斯變換域的解析解和在時間域的半解析解。First, the penalty finite element balance equation for quasi - static problem is obtained by the application of galerkin weighted residual method and the introduction of penalty parameter
首先,採用伽遼金加權余量法推導有限元平衡方程,利用罰方法得到求解擬靜態問題的罰有限元公式。4. with the consideration of practical soil - pile interaction, the soil around pile is modeled as a three - dimensional viscous - elastic continuous medium and the time effect of the settlement of single pile is studied. the semi - analytical solutions for vertical displacement of soil and for the relationship between settlement of pile head and time were obtained by laplace transform method and fourier inverse method, and the law of the settlement of pile head varying with time was then analyzed and discussed
考慮樁土藕合作用的單樁沉降時間效應研究從研究空間軸對稱問題的角度出發,將樁周土體建模為三維粘彈性連續介質,更為合理地考慮了靜荷載下樁土系統中單樁與樁周土的藕合作用,分別建立了樁周土體和樁體的靜力平衡方程,並通過拉普拉斯變換、傅立葉逆變換等數學手段,獲得了單樁樁周土體的垂直變形和樁頂沉降在拉普拉斯變換域內的解析解和在時間域內的半解析解,進而分析討論了單樁沉降隨時間變化的規律。分享友人