stability formula 中文意思是什麼
stability formula
解釋
穩定性計算公式-
This paper analyzes the groundwater discharging course using fluidics theory and combining quay structure construction ; sets up the method of fast drainage by the dint of pipeline and blind ditch of fragment stone ; and gives the computational mathematical model for quay drainage and calculation formula for drainage process according to the principle of conservation of mass and underground percolation, which have been applied for quay ' s stability design and calculation
應用流體力學理論結合碼頭結構建設，分析了地下水排泄過程，藉助管道和碎塊石盲溝建立了港口碼頭快速排水與擋墻基床排水的方法；運用質量守恆定律和地下水滲流原理，建立了港口碼頭排水計算數學模型和排水過程計算公式，並用在了碼頭的穩定設計計算中。 -
On the basis of investigations into the progressive yield process and the possible failure modes of rcc gravity dams, the quasi - elasticity design limit state of the ctrtical stability criterion is proposed and the real working state of the dams designed according to the ctriterion is discussed. a check formula using the material strength reducing factor as the safety index and a simplified formula similar to against sliding stability fromula are derived. finally, the corresponding design safety factors are given by using fem calculations with various influence parameters to be taken into account
本文在研究碾壓混凝土重力壩漸進破壞過程和可能失穩方式的基礎上，提出了以準彈性臨界作為穩定臨界準則的設計極限狀態，分析了按該準則設計的大壩的實際工作狀態，導出了以準彈性強度儲備系數為設計安全指標的審查公式以及形式與抗剪斷公式相同的簡化公式，探討了定量計算考慮各種因素影響的相應設計安全系數的合理取值，並與現行規范方法進行了比較 -
Based on the same principle of floating stability calculation of rectangle caisson, the moment of inertia of gravity axis of the fan shape is transformed through coordinate transformation formula, and the general formula and calculation method of floating stability for c limier caisson with partition ails are obtained
摘要引用矩形沉箱浮遊穩定計算的相同原理，把扇形重心軸的慣性矩通過轉軸公式的轉換，再經數學證明，得到帶箱格圓形沉箱浮遊穩定計算的通用公式和計算方法。 -
Dynamics formula and analysis of running stability for active magnetic bearing
電磁軸承系統的動力學建模與運動穩定性分析 -
This text expanded the magnetoelastic stability issue of current - carrying component from coil, pole piece to thin current - carrying plates, and used special function to differentiate the critical state of losing magnetoelastic steady, the number value of getting the relevant parameter is solved. the text derives and provides the magnetoelastic movement equation of thin current - carrying plates, the geometry equations and the physics equations, the expression formula of lorent ’ s force, electro dynamics equation through the theory at first
本文將載流構件磁彈性穩定問題由線圈、桿件拓展到載流薄板，並引入特殊函數判別磁彈性穩定問題的失穩臨界狀態，得到了相關參量的數值關系。首先通過理論推導給出了載流薄板的磁彈性動力學方程，幾何與物理方程，洛侖茲力的表達式，電動力學方程。 -
As a whole, the research work of this dissertation can be summarized follows : 1. in accordance with my design patent, namely, reinforced earth retaining wall of r c net, and based on the analysis of the work mechanism, failure pattern, bearing capacity and stability of the reinforced earth, a new concept is expounded, namely, the reinforced earth wall which is thought of as a compound structure increase not only c but also ~ in comparison with non - reinforced earth. some bearing capacity formula are first introduced under the circumstances that the reinforced earth wall fails because of the breakage of material or inadequate cohesion between reinforcements and soil
歸納起來，具體的研究和所獲得的一些重要成果如下： 1 、結合本人的設計專利? 「鋼筋混凝土網格式加筋擋墻」及工程實踐，在對加筋土的加筋機理、破壞模式、承載力和穩定性等方面進行深入分析的基礎上，提出了一個新概念，即經過加筋后的土體作為復合結構與原土體相比，不僅提高了內聚力，而且也提高內摩擦角；並在此前提下首次導出拉力破壞和粘著破壞兩種情形下的承載力公式，然後進行了穩定性分析。 -
According to eigenvalue equation ( general formula ) of the energy method of the plane steel frame structure stability, and considering the restriction of the end of the column of the main steel frame and function of deflection curve gained from the differential balance equation general resolution, we get the equation for calculating the length coefficient of the main frame structure stability of the steel arch gate and the resolutions are also given
根據平面剛架穩定性能量法特徵值方程（通式） ，考慮弧形鋼閘門主框架柱的柱端約束的特殊情況，求出撓曲線函數（試解函數）通解，得到弧形鋼閘門主框架柱穩定性計算長度系數方程。其中弧門主框架主橫梁式形框架的臨界荷載比較現行規范推薦的有限元法簡單方便、結果精確及物理概念明確等優點。 -
In addition, the approximate formula for coefficient k p, ki, kd is also suggested by using characteristic index of forecast control. finally, through emulation, the fractional - order pi ~ d ~ arithmetic is compared with the integer - order pid arithmetic. the availability of the strategies and stability of systems are proved by doing some analysis and simulation
然後利用根軌跡的方法分析了擁塞控制系統的穩定性，並在此基礎之上採用廣義預測控制方法所應用的特性指標求出了k _ p ， k _ i ， k _ d的近似計算公式。 -
This paper try to mix the finite strip method and hybrid stress element, and deduce a numerical and computer method which combines the advantages of the two methods - mixed hybrid finite strip method ; analyze the intensity and stability of the orthotropic plate by this method ; deduce the formula of the orthotropic plate ' s analysis and calculation under this method ; compile the program of orthotropic plate ' s mixed hybrid finite strip method ( hfsop. for ) with fortran - 77 language, and perform them under fortran90 environment of pc computer ; comparing with traditional methods by example of computing, prove that the mixed hybrid finite strip method have better degree of accuracy, moderating the stiffness of plate, coming more close to actual conditions, avoiding over - hard or over - soft ; finally, this paper analyze the stability of a orthotropic plate by this method, and deduce the - value of critical stress
論文將有限條法和應力雜交元法兩者結合起來，導出一種兼有兩者優點的數值計算方法? ?混合雜交有限條法。運用這種方法對正交異性板的強度和穩定進行了分析，推導出正交異性板在這種方法下的分析計算公式，用fortran - 77語言編寫正交異性板混合雜交有限條法程序（ hfsop . for ）在微機fortran90環境下運行。通過算例與傳統的方法比較，驗證混合雜交有限條法有更好的精度，使板的剛度適中，更接近實際情況，避免「過硬」或「過軟」 ；最後，論文還用此方法對一正交異性板進行了穩定分析，得出臨界應力值。 -
The conformal microstrip antenna with some unique character has been applied in many fields, especialy on speedy objects. in this paper, an efficient fdtd algorithm is introduced to analyse the microstrip antenna. firstly, the fdtd formula in descartes coordinate system and in cylindrical coordinate system are obtained from the time _ dependent maxwell equations using the yee algorithm in a calculating region where the dielectric parameters are independent of time and space. the choice of the space discretization units and the time discretization interval are discussed which are decided by the accuracy and stability respectively. the shape and setup of the excitation source are discussed too. the excitation source is chosen to be gaussian pulse in shape. secondly, the mur ' s first - order and second - order boundary condition are deduced in cylindrical coordinate system. the methods of transforming radiation fields from near zone to far zone in the frequency domain and in the time domain are presented when fdtd is applied to analyse the characteristics of far zone. finally, three kinds of microstrip antennas are analysed. they are a slot antenna that lies on a plane ground of a microstrip, a slot antenna that lies on a cylindrical ground of a microstrip and a microstrip line _ fed aperture coupled stacked rectangular patch antenna in cylindrical coordinate system
本文從麥克斯韋旋度方程出發，建立了笛卡兒坐標下無源空間中均勻無耗媒質的fdtd基本方程和圓柱坐標下無源空間中均勻無耗媒質的fdtd基本方程，詳細討論了fdtd法計算中時間步長和空間步長的選取原則以及激勵源的類型和設置；推導了mur一階和二階邊界條件在圓柱坐標下的差分格式；給出了在用fdtd法計算天線的遠場輻射特性時必需採用的頻域和時域近場遠場變換技術；最後用fdtd法計算了平面微帶縫隙天線、柱面共形微帶縫隙天線和柱面共形微帶層疊天線的輸入阻抗和遠區輻射場，並分析了天線的一些參數的變化對天線輸入阻抗的影響，得出了一些有用的結論。 -
And based on the consideration of the impacts of the drum end plate, surface rope slot and quality change of the wire ropes, the paper has deduced the theory calculation formula of the drum stability
同時，基於該結論在綜合考慮捲筒端板、表面繩槽和鋼絲繩變質量等因素的影響，利用薄殼武漢理工大學博士學位論文力學推導出了捲筒穩定性理論計算公式。 -
This paper faces the rut to make the classification to the asphalt pavement, the applied mathematics formula analysis method did the detailed introduction different from system analysis, at the same time the structure type and the wear rut to also made to elaborate, analysis to the concrete influence factor that various rut formation and become the mechanism, end basis rut form to put forward the homologous prevention and cure measure towards mainly lose stability type rut from the manifestation, the formation mechanism and the influence factor, thus contributing to guiding the engineering fulfillment, the economy construction funds
摘要本文對瀝青路面車轍作了分類，應用數學公式分析方法對主要的失穩型車轍從表現形式、形成機理以及影響因素方面做了詳細介紹和系統分析，同時對結構型及磨耗型車轍也作了闡述，分析給出了各種車轍形成的具體影響因素和形成機理，最後根據不同的車轍形式提出了相應的防治措施。 -
The formulae that didn " t contain fluorine had low rates of corrosion, high stability and easy operation and had distinct improvement in coating quality, surplus of chromium, saving electricity and energy and environmental protection etc. when they were compared with the commercial additive of wr - 1 and the electrolyte formula of fenghui galvanization plant, the results showed that the effect of chromium plating of the formulae obtained in this study are more excellent
所研製的配方，不含氟、腐蝕率低，穩定性好，易操作，在鍍層質量、節鉻、節電、節能、環境保護諸方面都有明顯的改善，並將其與市售的wr 1添加劑和淬惠電鍍廠鍍鉻效果進行了對比，結果表明本研究得到的配方鍍鉻效果更優良。 -
In this paper, we analyze difference solutions of the burgers - kdv type equations with the periodic boundary condition by use of functional analysis method. the existence of difference solutions is proved by fixed - point theorem and the priori estimates of the difference solution are obtained using interpolation formula of sobolev space. the convergence and stability are proved
本文應用泛函分析方法對一系列burgers - kdv型方程周期邊值問題的差分解進行了分析，運用各種不動點原理證明了差分解的存在性，應用sobolev空間的離散內插公式得到了差分解及其各階差商的先驗估計，利用得到的先驗估計證明了差分解的收斂性和穩定性。 -
The judgement formula for high and low speed landslide and a new theory of stiffness - effect instability are presented for the instability of planar - sliding slope by the catastrophe theory. it is pointed out that the limit equilibrium stability analysis method of rigidity body has a lot of defects. the relationship between the action of outside environment and the response of slope system is complicatedly nonlinear according to the nonlinear dynamics model of slope evolution built
針對斜坡平面滑動失穩問題，運用突變理論方法，給出了快速滑坡和慢速滑坡發生的判據，驗證了剛體極限平衡穩定性評價方法有較大缺陷；根據斜坡演化非線性動力學模型，發現斜坡演化過程會出現混沌現象，其通向混沌之路是通過倍周期分叉實現的。 -
4. choosing the reasonable deflection curve function. according to the energy method and the constrained condition of column end of the steel arch gate, the article presents a practical calculating formula for the stability of the main frame structure of the steel arch gate
選擇合理的撓曲線函數（試解函數） ，根據能量法及弧門柱端約束條件，提出弧形鋼閘門主框架（平面鋼框架）穩定性計算的實用解析計算公式，並根據影響弧門主框架穩定性的因素對該公式進行修正。 -
The article describes the shape of wind load on the radome surface and analyzes the internal force of the radome with nonmomental theory of shell, stresses and stability with theoretic formula, equivalent modulus of elasticity and thickness of a - sandwich - composite structure
摘要針對雷達罩易受風荷載作用發生破壞的情況，本文從截球形雷達罩表面的風荷載分佈形態出發，採用無矩理論對雷達罩內力進行了分析計算，從理論上對模型進行了強度和穩定性分析，並著重闡述了a型復合材料夾芯結構的等效彈性模量和厚度的計算方法。 -
First, based on prof. h. b. pacejka ' s magic formula tire theory, this paper consummates and sets up a full condition tire model in sae coordinate, and the model for vehicle stability control system under tire adhesion limit is built, which provides us a good vehicle model for simulating vehicle stability control
首先，論文在分析h . b . pacejka教授提出的魔術公式基礎上，進一步完善了全工況輪胎力學模型，並建立了輪胎附著極限下汽車穩定性控制的數學模型，為控制系統的模擬研究奠定了模型基礎。 -
Circle slices method, with its simple principle and brief formula, is still popularly applied in assessment of earth slope stability. however, it exists two aspects of weakness in practical application. the first is difficult to search the most possible sliding surface ; the second is complicated to deal with slices
圓弧條分法目前依然是工程中常採用的土坡穩定性分析方法，其原理簡單，公式簡潔，但在具體應用時，存在兩方面的困難：一是潛在滑動面不易確定；二是分條使計算過程較為復雜。 -
And zhou xiyuan et al. the serial isolation system consisting of laminated rubber bearing and r / c column and the combined bearing consisting of an up small one and down larger one are introduced and their calculation formulas of static stability is derived. with the latter calculation formula, the static stability formula of the serial system considering p - a effect of r / c column can be acquired
回顧了kelly等人和周錫元等人對橡膠支座的穩定性研究，然後介紹了周錫元等人對疊層橡膠支座和r / c柱的串聯體系以及用兩個不同截面的疊層橡膠支座組成組合橡膠支座的隔震體系提出的實用靜力穩定分析公式，由後者的計算公式，可進一步求得考慮r / c柱p -效應的串聯體系靜力穩定公式。
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