boundary of stability 中文意思是什麼
boundary of stability
解釋
穩定性邊界, 穩定性界限-
Asymptotic stability of viscous shock profiles for one - dimensional viscous conservation laws with boundary effect
一維粘性守恆律初邊值問題粘性激波解的漸近穩定性 -
Stability of travelling waves for non - convex system of one - dimensional viscoelastic materials with boundary effect
具邊界效應一維粘彈性物質的非凸方程組行波解的穩定性 -
Studies of nonparallel stability of boundary layer
邊界層流動的非平行穩定性研究 -
Furthermore, with the fourier series technique, the disturbance is discomposed into predominant mode and high frequency harmonics, and the nonlinear stability of the nonparallel boundary layer is studied
採用fourier級數的方法把擾動波分解為基本模態和高頻諧波模態，導出非平行非線性拋物化穩定性方程。 -
With the fourier series technique, the disturbance is discomposed into predominant mode and high frequency harmonics. the nonlinear stability of three - dimensional disturbances for the blasius boundary layers is studied
藉助fourier級數的方法將擾動波分解為基本模態和高頻模態，研究了三維擾動的非線性邊界層穩定性問題。 -
This demonstrates that for propulsion - airframe integration, this genus of inlet would be advantageous in keeping the stability of boundary layer coming from the forebody
一體化設計時，該進氣道對保持前機體來流附面層的穩定性十分有利。 -
On the stability boundary of hamiltonian systems
哈密頓系統的穩定性邊界 -
The second section : under the conditions of nonlinear boundary controbility, we consider the initial boundary value problem of camassa - holm equations with dissipative. by using the contractive mapping fixed point theorem and a priori estimates, the existence of global smooth s olution, global attractor in h ~ ( 2 ), t ime p eriodic s olution or almost - periodic solution and the global exponential stability are proved
第二部分：在非線性控制邊界條件之下，對于帶耗散項的camassa ? holm方程的初邊值問題，用壓縮映射不動點原理及先驗估計方法，證明了整體光滑解的存在性、整體解的指數穩定性、 h ~ 2空間中整體吸引子的存在性以及時間周期解和殆時間周期解的存在性。 -
Using the system designed in this thesis work, flow field calibration of the wind tunnel is accomplished, which covers dynamic pressure drop coefficient, dynamic pressure time stability, axial static pressure gradient, boundary layer, and degree of turbulence, etc. boundary layer measuring principle and method are especially described in detail, the relationship between boundary layer thickness, wind speed setting, and the depth of the experimental section is summarized, and finally the calibration data for th e model center zone under specific wind speed are given
然後利用本文設計的系統完成了落差系數、動壓時間穩定姓、軸向靜壓梯度、邊界層及湍流度等內容的流場校測。特別對邊界層測量的原理及方法做了較詳盡的敘述，總結出邊界層厚度與設定風速、實驗段深度的關系，然後給出模型中心區一定風速下校正數值。 -
The stability of cauchy singular integral when the integral curve has a smooth perturbation is discussed in our first partition ; we apply some results of the first partition to the second partition and solve the stability of the solution to the cauchy singular integral equation. finally, on the basis of the stability of the cauchy type integral, we study the stability of the solution to the riemann boundary value problem when the contour perturbs smoothly
在第一部分中，我們主要討論了cauchy奇異積分在積分曲線發生光滑擾動時的穩定性問題；而在第二部分中，我們把第一部分的結果應用到cauchy奇異積分方程，導出了其關于積分曲線攝動的穩定性的研究及其一些結果；最後，在第三部分中，我們在研究cauchy型積分關于積分曲線的穩定性問題的基礎上，探討了riemann邊值問題的穩定性問題。 -
Although the presence of fuel-rich boundary injection apparently degrades engine stability, it is generally necessary to enhance chamber wall endurance.
盡管富燃料邊界噴射的存在顯然降低了發動機的穩定性，但通常這是為增強室壁的耐久性所必需的。 -
First, we reviewed the finite - difference time - domain yee ' s method. the difference equations, the stability condition, numerical dispersion characteristics, absorbing boundary conditions, incident wave source conditions and the calculation of the frequency - dependent scattering parameters are discussed
首先本文回顧了時域有限差分yee演算法，包括時域有限差分的差分方程、穩定性條件、數值色散特性、吸收邊界條件，激勵源的設置以及散射參數的計算等。 -
The linear time perturbation theory is used in this paper, the effects of rotary flow, axial flow and both of them to the arc stability are discussed respectively. the corresponding equations and the boundary conditions are deduced
本文採用與時間有關的線性微擾理論，分別討論了旋轉氣流、縱向氣流的作用，以及它們共同的作用下電弧螺旋不穩定性的特徵。 -
Expressions in three kinds of perfectly matched layer ( pml ) absorbing boundary conditions is also given. second, the numerical theories of the auxiliary fields fdtd method is studied, including the stability of the differential equations and the numerical dispersive relationship. the stability of two kinds of differential formulations and three kinds of pml is compared, using a straight method depending on the pmax - t graph
更進一步，研究了輔助場fdtd方法的數值理論，對其微分方程、差代方程的穩定性進行了分析，比較了有耗媒質中的兩種差分格式和三種理想匹配層中的差分格式的穩定性，提出了一種通過p _ （ max ） - t曲線判定穩定性並求出穩定性條件的直觀方法，並導出了該方法的色散關系式。 -
Secondly, the finite - element analysis on the typical slope section is performed with establishment of geology model, definition of boundary condition and proper selection of mechanical parameters. the result shows that the slope is of integral stability, and the failure mode mainly comprises infrequent block drop and wedge body breakage. considering the two failure modes of plane failure and wedge body breakage, and stability calculation under different work conditions, the slope stability is discussed and the sensibility ana lysis on its fraction angel and cohesion force is made
然後通過建立地質模型、確定邊界條件、選擇合理的力學參數，取典型斷面對邊坡進行數值分析，分析結果表明斜坡整體是穩定的，破壞類型以零星掉塊和楔體失穩下滑為主；為了定量計算邊坡的穩定性，對邊坡兩種破壞類型：單滑面下滑和雙滑面楔形體下滑，考慮不同工況進行穩定性計算，並對摩擦角和粘聚力進行穩定的敏感性分析。 -
Three finite - difference methods, i. e., stagger grid, implicit and explicit algorithms, are analyzed in detail. multi - grid algorithm is firstly introduced in elastic wave simulation, to solve for the stability problem inherent in stagger grid and implicit algorithm, also for the efficiency problem inherent in explicit algorithm, and the precision, stability and efficiency for simulation of elastic wave arc increased by multi - grid method. phase - delay method is provided to effectively absorb boundary reflection and increase efficiency for wave motion simulation, based on phase delay and amplitude decaying features along wave propagation
在水平分層介質接收函數的波形反演研究的基礎上，本文系統闡述了非均勻介質中彈性波傳播數值模擬常用的三種有限差分方法：顯式差分、隱式差分和交錯網格法，首次將多重網格演算法應用於彈性波方程的數值模擬問題，克服了交錯網格法和顯式差分法穩定性差，以及隱式差分法計算效率低的缺點，大大提高了彈性波數值模擬的精度、穩定性和計算效率。 -
We also apply lyapunov function to evaluate the attraction region of stable fixed point which corresponds to running region of the power system, we give the boundary of stability region by means of article [ 8 ], finally, the numerical simulate results verify the theoretical analysis
本文還用lyapunov函數對穩定域進行了估計，給出穩定平衡點的吸引域，這相當于電力系統的穩定運行區域。並且用文[ 8 ]提供的方法，給出穩定區域的邊界。最後，本文用模擬算例驗證說明理論分析結果。 -
By studying the lithologjcal and mineral parameters ( pebbled elastics percent ratio, clastic maturation index, heavy crop stability factor ) of mesozoic sedimentary strata, the result shows that the northern boundary of present basin is near to the boundary of original basin and the moving distance of elastics is short, but the southern boundary of present basin is far from the boundary of original basin and the moving distance of elastics is long. the fades of northern basin are mainly delta fades and the fades of middle and southern basin are lacustrine fades
通過對盆地中生代沉積地層中各種巖礦參數（碎屑巖含礫百分比、碎屑成熟度指數和重礦物穩定系數）分析和綜合研究認為，今盆地北部距離原始盆地沉積邊界較近，碎屑物搬運距離較短；南部距離盆地古沉積邊界較遠，沉積物搬運距離較遠；中生代盆地北部主要為三角洲沉積相，中南部為湖泊相沉積。 -
Then, use galerkin principle to put the stability equation in order for the special function the mathieu standard form, and utilize the boundary of the mathieu solves ’ steady area and unsteady area, namely special relationships of and, draw the discrimination equation of losing the magnetoelastic steady critical state
然後，應用galerkin原理將穩定性方程整理為特殊函數馬丟方程的標準形式，並利用馬丟方程的穩定解區域與非穩定解區域的分界，即系數和的本徵值關系得出了磁彈性最低失穩臨界狀態的判別方程。 -
Important missing aspects are : turbulent flow, numerical discretization techniques specially the relevant and difficult topic of numerical treatment of advection and related numerical methods of solution, variable property fluids, boundary layers, stability, etc. rather, it focuses on more primitive and fundamental issues of numerical treatment of advective equation and proper formulation of initial boundary value ( ib vp ). numerical problems associated with advective dominated transport include spurious oscillation, numerical dispersion, peak clipping, and grid oriention. however, the key of numerical solution of three - dimensional advective problem is searching for a high - precision interpolating function, which can keep the computational stability and low damping
3 、針對三維純對流方程提出了實用的擬協調單元模式，並與線性插值模式和協調單元模式比較后表明，在物理量大梯度變化的情況下，線性插值模式會產生較大的數值阻尼，導致解的失真；協調單元模式具有極高的計算精度和良好的計算穩定性，還可較好地克服數值阻尼，但由於計及物理量的二階導數項，計算工作量大，邊界條件給定尚存在一定的困難；而擬協調單元模式不僅具有協調單元模式計算精度高的優點，還避免了物理量的二階導數項，可大大地減少計算工作量。
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