非圓性 的英文怎麼說

中文拼音 [fēiyuánxìng]
非圓性 英文
noncircularity
  • : Ⅰ名詞1 (錯誤) mistake; wrong; errors 2 (指非洲) short for africa 3 (姓氏) a surname Ⅱ動詞1 ...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  1. Nonlinear vibration of heated bimetallic thin circular plates

    受熱雙層金屬板的振動
  2. The complex nonlinear pursuit - evasion model of two spacecraft in near - earth coplanar orbit is simplified to linear model, the circular region the radius of which is equal to capture radius is defined as target set, capture is achieved when the evader come into the target set and the game is over ; the boundary of useable part ( bup ) is determined, and the analytical form solution of the linear equations is obtained by backward integration of the state variables from the bup, the linear barrier of the pursuit - evasion model and the optimum thrust of the both sides are thus obtained

    本文將近地共面軌道內運動的兩飛行器追逃模型簡化為線模型,以捕獲半徑的域定為目標集,確定目標集邊界上的可用部分,並以此為各狀態變量的起點,對時間進行倒向積分,求得線方程組的解析解,從而確定了該追逃模型的線界柵,以及界柵上對策雙方的最優推力,即求得了滿足最優策略時相對運動的軌跡和推力。
  3. The relation of radius of curvature and error as well as formulas of increasing parameters on condition of constant error are diverted. the equation of the line on the center of approximate circular arc is obtained , and it can avoids the trouble that numerical solution owns possibility of no convergence and simplifies node calculation of non - circular curve

    導出了曲率半徑與逼近誤差之間的關系和等誤差條件下的參數遞推公式,建立了通過逼近心的直線方程和心坐標計算公式.按這種方法用弧逼近平面參數曲線,不需要求解方程組,避免了計算可能不收斂的麻煩,簡化了曲線的節點計算過程
  4. Study on nonlinear dynamic behavior of rotor - non - circular bearing system

    軸承系統動力學行為的研究
  5. Asymptotic behavior of solutions to dissipative nonlinear evolution equations with ellipticity

    具有橢質的耗散發展方程組解的漸近行為
  6. For obtaining the numeral solutions of round elastic plates in axisymmetrical deformation with varying - thickness in nonlinear deformation in the unsteady electromagnetic field and mechanical field, by establishing the equations of motion, the equations of distortion, the equations of lorentz force, the equations of electronic dynamic mechenical, and adopting iterative method, we gained the nonlinear magneto - elastic calculation method and outcome of current - carrying shell, and gained the influencing degree toward mechanical parameter of varying thickness round ferreous plates in the electromagnetic field and mechanical field

    摘要為了獲得內邊界固定的環形導電薄板在均布力與橫向磁場作用下的變形問題的數值解,通過建立運動方程、變形方程、電動力學方程和洛侖茲力方程,運用迭代法得出了載流板殼的磁彈的計算方法和結果,以及機械場、電磁場對鐵質變厚度板各力學參量的影響程度。
  7. The study of nonlinear thermoelastic free vibration of simply supported circular plate

    簡支熱彈耦合振動問題的研究
  8. In part two, the optical spatiotemporal pattern in ring optic cavity is investigated. using delay feedback with spatial perturbation method, the system shows roll, square, hexagon, homocentric circle, " honeycomb " and " snowflower " pattern with different spatial perturbation functions. different patterns can be coexist and compete each other with the same perturbation function, which is the new character of this optical system with delay feedback

    第二部分,利用延時反饋的空間微擾方法研究了環形腔中二能級介質的光學時空斑圖的控制,在不同的微擾函數作用下,出現了滾筒狀、四方形、六角形、蜂窩狀、同心以及「雪花」狀等不同的斑圖,並且在相同的微擾函數下張勝海:博士學位論文出現了不同斑圖之間的競爭,這種競爭是我們發現的這一具有空間微擾的延時反饋光學系統光學斑圖的新特徵。
  9. And by a machine configure file, the general postposition process is dealed with. at last, from the view of software engineering, the structure of this system is introduced. according to the achievements, nc automatic programming for noncircular surface gringding based on acis is successfully developed. the result of application shows that it is satisfying

    在上述研究成果的基礎上,設計了基於acis幾何造型平臺的曲面數控磨削自動編程系統的總體結構,同時,運用面向對象的設計方法,開發了基於acis的曲面數控磨削加工自動編程系統,並運用於實際生產,能穩定,效果良好。
  10. We select ni / cr alloy resistor as element together with ceramic embedding hearth ; select small flat - and - disc heat - even hubby ceramic sample holder, select ni / cr & ni / si thermoelectric couple ( type k ) as thermoscope with threads 0. 5 mm in diameter which is installed in the middle of the holders symmetrically ; select aluminum silicate fire - retardant fiber as materials for heat preservation ; design some hardware, for example temperature controller & transporter, signal amplifier etc ; design controlling curve to heat stove ; and introduce the method of least squares nonlinear regression and subsection function to deal with data. in order to obtain the reasonable operation conditions and operation curve, we have also done many theory analysis and experiment discussions

    通過理論和試驗探討,選用鎳鉻合金電阻絲作為加熱元件,配以陶瓷質埋入式爐膛;選用陶瓷質小尺寸扁平?盤均熱塊體型樣品支持器;選用0 . 5mm絲徑鎳鉻?鎳硅熱電偶( k )作為測溫元件;熱電偶對稱安置在樣品支持器容器的中部;選用硅酸鋁耐火纖維作保溫材料;合理選用和設計了溫度控制器、溫度變送器、信號放大電路等硬體;採用升溫曲線來控制爐膛供熱過程;採用最小二乘法回歸與分段函數相結合的曲線模擬方法,進行圖形處理。
  11. First, the nonlinear ls problem without constraint is converted to that subjected to inequality constraints by putting constraints on the do as of the received signals and toas of the first arrived signal with geometrically based single - bounce ( gbsb ) statistical channel model and cost - 207 model. then, a penalty function is used in the estimation of ms position

    首先,用基於幾何結構的單次反射模型和cost - 207模型,對期望定位用戶的各條多徑信號的波達方向和最先到達多徑信號的時間進行約束,將傳統的解無約束的最小二乘定位問題或近似線最小二乘定位問題轉化為解不等式約束的最小二乘定位問題;然後,用內點罰函數法估計移動臺的位置。
  12. The geometric nonlinear analysis of three types of large - span annular cable truss structures is put forward by using commercial fem program. their static properties in deferent load case are concluded, and some suggestions for actual projects are also presented. base on the prime realization of its static property, parameter analysis of its static property is done consisting of deferent number of truss, deferent height of truss, deferent scale of height of masts, deferent boundary condition and deferent magnitude of pre - stress in deferent load case

    本文利用通用有限元軟體ansys對大跨度環形空腹索桁結構體系中三種典型的結構(即內外圈都為形、外圈形內圈橢形、內外圈都為橢形的三種外形的結構)進行了幾何分析,總結出各自在不同荷載工況下的靜力能,並提出一些有實際工程意義的建議。
  13. By means of establishing mathematical model of noncircular gears driving mechanism and simulating mechanism motion state by using computer animated drawings technique, transmission feasibility has been examined

    通過建立齒輪機構傳動的數學模型,運用計算機動畫技術模擬了機構的運動狀況,檢驗了傳動的可行
  14. Established the system of coordinates of roll testing, getting the parameters of equation of tooth face by solving the non - linear equations set ; according to the differential geometry and meshing principle, deduce the curvature parameters of tooth face and tooth profile, and get the parameters of instantaneous contact ellipse. emulate the contact trace and contact area of the working tooth face, and drawing the instantaneous drive ratio error curve

    建立了克林貝格擺線齒錐齒輪嚙合分析的對滾模型,通過對方程組的迭代求解,得到齒面方程的各個參數;由微分幾何和切齒嚙合原理推導了齒面上齒廓和齒線方向的曲率參數,得到了瞬時接觸橢的參數。根據設計參數和機床調整參數繪制了工作齒面的接觸軌跡和接觸區圖形,並求得了瞬時傳動比的誤差曲線。
  15. The simplified geometric nonlinear theory is used in post - buckling analysis. galerkin method is employed to derive the eigenvalue equation of the shell containing initia l geometrical imperfections. the buckling critical load is get. the program for calculating the buckling critical load is developed and the numerical example is given.

    採用簡化的幾何理論,進行了后屈曲分析,應用galerkin法推導得到了含有初始幾何缺陷的編織復合材料柱殼的屈曲特徵方程,得到了臨界荷載的計算公式,編制了相應的計算機程序,並給出了具體算例,得到了一些有益的結論。
  16. Finally we apply jacobian function expension method to a class of nonlinear evolution equations, rlw and a compound kdv equations and get many new jacobian function solutions and solitary wave solutions

    我們分別把它應用於一類演化方程, rlw和組合kdv方程上去,獲得了許多雅可比橢函數解和其它精確解。
  17. First, the dynamic stability of braid composite cylindrical shells with the influences of some main factors is introduced. the general governing equations for the nonlinear dynamic stability is obtained. by the hamilton principle. the creep buckling analysis of braid composite cylindrical shells under axial compression and the dynamic stability under nonconservation force are discussed as emphases. in creep buckling question, by means of theoretical analysis, the instaneous critical load and durable critical load of viscoelastic braid composite cylindrical shell under axial compression are obtained and the numerical example is given

    首先介紹了編織復合材料柱殼在幾種主要因素影響下的動力穩定問題,用hamilton原理建立動力穩定問題的一般基本方程。然後重點討論了編織復合材料柱殼軸壓下的蠕變屈曲問題及保守力作用下的屈曲問題。對蠕變屈曲問題,通過理論分析來得到了編織復合材料柱殼的瞬時彈臨界載荷和持久臨界載荷,給出了具體的算例。
  18. ( 4 ) the nonlinear error feature of unidirectional pendulum and two - way columnar single pendulum in vertical pendulum tiltmeter swinging has been analyzed and derived

    ( 4 )分析並推導出垂直擺傾斜儀中單向擺體擺動和雙向柱形單擺體擺動時的誤差特
  19. We consider a nonlinear differential equation periodic boundary value problems of second order which has proposed as a model for the periodic motion of a satellite in its elliptic orbit

    摘要本文考慮作為衛星繞橢軌道做周期運動模型的一個微分方程的周期邊值問題。
  20. ( 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

    本文基於彈理論和有限元原理與方法,分析了上埋式地下管道橫向力學計算方法和狀並探討了上埋式地下管道的減荷等問題: ( 1 )在分析現有幾種典型的管道垂直土壓力計算方法的基礎上,探討了影響垂直土壓力的主要因素以及改進的方法; ( 2 )分別通過彈理論分析法和結構力學的方法,建立了地下管道柔環和剛管涵的橫向靜力計算方程,並應用在算例中,把所得結果和有限元方法所得結果進行對比分析; ( 3 )考慮填土、管道和基礎的共同作用、土體的、初始應力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,建立了地下管道橫向力學有限元計算模型和方法,並且採用大型有限元分析軟體ansys ,針對上埋式管道工程算例,得出了管周土壓力以及管道橫截面應力的分佈狀況和規律,並和理論值進行對比;針對施加柔填料的上埋式管道工程實例,得出了減荷后的土壓力分佈,並和實測值進行了對比。
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