governing equation 中文意思是什麼
governing equation
解釋
控制方程-
Secondly, a mathematical model suitable to large coastal region is developed, whose governing equations are deduced from the mild slope equation with dissipation terms and discretized with crank - nicolson scheme. this model is accurate and easy to be applied
其次，將包含底摩阻耗散項的緩坡方程化為等價的控制方程組，採用crank - nicolson格式離散方程組，建立了適宜於大范圍水域內波浪傳播的數學模型。 -
It adopts reynolds time - average n - s equation and k - ? turbulence model to calculate the inner 3 - d viscid turbulence flow of centrifugal pump. in the unstructured grid, the governing equations are discretized with finite volume method based on finite element method. then the pressure correction method is used to carry out numerical calculation
而後採用基於雷諾時均n - s方程與標準-湍流模型來求解離心泵葉輪內三維粘性紊流，在非結構化網格中，採用基於有限元的有限體積法對方程進行離散，用壓力校正法進行數值求解。 -
The whole piezolaminated curved beam is equivalent as a single layer structure, and the governing equation of piezolaminated curved beam with small curvature is derived based on one - dimensional beam theory
將壓電夾層圓形曲梁等效為單層結構，基於一維小曲率曲梁理論，建立其控制方程。 -
Without grids, the interaction effect among neighboring particles can be simulated by means of the kernel function, based on which the governing equation is discretized by establishing the smoothing model, the gradient model and the second - derivative model ( i. e. the laplacian model )
在無網格條件下，粒子間的相互作用通過核子函數來表示，並通過建立物理量光滑模型、梯度模型和二階導數模型來離散控制方程。 -
The flow equations are solved using finite difference technique. using body - fitted curvilinear coordinate system treated the boundary conditions. by iteratively solving the flow governing equation and the blade equation, the design of axial flow pump impeller in the quasi - three - dimensional rotational flow can be performed according to the angular momentum distribution, the blade which was designed in the lifting method, flow channel and the blade thickness given
其次在流動無粘性、不可壓及考慮葉片厚度的條件下，依據葉輪內的流動特性，推導了葉輪內三維流動周向平均流動控制方程以及葉片方程；在貼體坐標系中，採用有限差分法求解流動方程和葉片方程；在採用升力法設計出的葉片作為初始葉片、給定葉片速度矩分佈、葉片厚度分佈和葉輪軸面流道幾何形狀條件下，迭代求解流動控制方程及葉片方程，實現了軸流泵葉輪的準三維方法設計。 -
The characteristics of power law fluid governing equation was elaborated and the effect of viscosity and flow exponent on two - phase flow was studied
摘要闡述了冪律流體控制方程的特點，研究了冪律流體的稠度系數和流動指數的變化對兩相流動的影響。 -
In aspect of theoretical stud y, the model of high - pressure welding arcs is established, and the governing equation of high - pressure welding arcs and computing equation of voltage drop of arcs are given
在焊接電弧理論研究方面，建立了高壓焊接電弧模型並提出了高壓下焊接電弧的控制方程以及電弧電壓的計算方程。 -
The system identification method is presented for backcalculating the dielectric property and thickness of pavement structures. the method of singular value decomposition is put forward to diagnose the ill - conditioned governing equation and the problem of finding solution to ill - conditioned governing equation is successfully resolved. the parameter adjustment arithmetic with high accuracy, which is based on precise theory and can be converged rapidly, is established
提出了路面結構層介電特性及其厚度反演分析的系統識別方法，將奇異值分解技術應用於控制方程的病態診斷和求解，有效地解決了控制方程病態時的求解問題，建立了理論嚴謹、收斂快、精度高的模型參數調整演算法，並開發了路面結構層材料介電特性及其厚度反演分析軟體sidthk 。 -
By combining the linearization of the governing equation with the method of harmonic balance, we have established analytical approximate formulas for the period and the periodic solution
將控制方程的線性化與調和平衡法組合起來，建立周期及周期解的解析逼近公式。 -
A numerical approach and a novel analytical solver are used to solve the governing equation of cantilever beam actuated by electrostatic force, and dynamic responses of the cantilever are calculated by mode - superposition
摘要給出了一種靜電力作用下微懸臂梁控制方程的數值求解方法，提出了求解該模型的近似解析式和修正解析式，並採用模態疊加法計算微梁的動響應。 -
In fegm, the shape function is constructed by the moving least square ( mls ) approximation, the weak form of the equivalent integral equation to the governing equation is employed and essential boundary conditions are imposed by the penalty function method
它採用移動最小二乘法構造形函數，利用能量泛函的弱變分形式的積分方程，並用罰函數法施加本質邊界條件，從而得到積分方程的數值解。 -
Some numerical technicalities, such as choice of fundamental solution to governing equation of flow problem, treatment process to corner point problems, automatic meshing, treatment process for fractures partly beyond the flow domain boundaries, were also discussed. thirdly, a hybrid bem - channel model was presented, and the numerical procedure for which was described
進行了裂隙巖體的多孔介質水力等效性分析，研究了裂隙巖體的滲透系數的張量形式，闡述了裂隙巖體等效水力性質的計算方法，包括rev大小的估計和等效滲透系數張量的計算。 -
The acceleration is first evaluated from governing equation, secondly, the formulae of displacement and velocity are developed basing on some assumptions, and then the discrete expressions of the response mean square value are deduced
首先，直接從控制方程出發計算加速度，其次，給出了位移和速度的一種近似計算公式，最後，推導出響應均方值的離散計算表達式。 -
A homogenization - based method for predicting the viscoelastic property of multi - layered composite material is presented. by laplace transforming the governing equation of the viscoellastic problem of jointed rock, the dependent relation of the laplace transformation of the effective relaxation modulus of jointed rock on the joint distribution was derived by applying the homogenization method in laplace transformed domain. then, the effective relaxation modulus was obtained from the inverse transformation
首先對層狀復合材料粘彈性問題的控制方程進行laplace變換，在像空間中利用均勻化理論建立宏觀鬆弛模量的laplace變化與各層形式的依賴關系解析表達式，通過laplace逆變換可獲得等效鬆弛模量預測的解析表達式，並給出了體積變形為彈性、剪切變形符合三元件模型的單向節理巖石的粘彈性鬆弛模量預測的數值算例。 -
By laplace transforming the governing equation of the problem of unidirectional fiber reinforced composite materials, the formulae for predicting the viscoelastic relaxation moduli in laplace transformed domain are obtained. according to correspondence principle of viscoellastic mechanics and elastic, mechanics, the results of effective moduli for several s are obtained by using the finite element method of the homogenization. then effective relaxation moduli should be curve - fitted, according to the viscoelastic relaxation modulus formulae of many viscoelastic materials
首先對單向纖維增強復合材料粘彈性問題的控制方程進行laplace變換，在像空間s中利用均勻化理論建立宏觀鬆弛模量的laplace變換泛函形式，根據粘彈性-彈性對應原理，用均勻化問題的有限元方法預報單向纖維增強復合材料在相空間中多個離散點的本構關系，然後根據典型粘彈性材料的鬆弛模量具有的函數形式進行曲線擬合，再通過對擬合出的函數進行laplace逆變換，從而再回到時間t域，就得到了單向纖維增強復合材料的鬆弛模量。 -
After deriving the governing equation of motion of these dampers and the theoretical model, we simulated the damping force of the dampers under different electric field strength conditions, and used an electrical hydraulic servo dynamic testing system to test flow mode er damper and mixed mode er damper
在不同電場下，模擬阻尼器的阻尼力特性，並使用電液伺服動態測試系統測試流動模式電流變液阻尼器及混合模式電流變液阻尼器。 -
And then the brief description of the researches in micro - mechanics is presented. ( see chapter 1 ) 2. the basic conception of the homogenization theory is given, and then by laplace transforming, the formulae for predicting the viscoelastic relaxation moduli in laplace transformed domain are obtained from the governing equation of the problem of composite materials
（詳見第一章） 2 、在簡要介紹細觀多尺度均勻化方法的基本理論的基礎上，通過復合材料粘彈性問題的控制方程的laplace變換，並利用對應原理，在像空間中導出了利用均勻化理論預測宏觀鬆弛模量的laplace變換泛函形式。 -
The contribution ratio of the surface heat source is expressed by its boundary condition and that of the inner volumetric source expressed by the source term in the governing equation, and the total contribution ratios from all the discrete heat sources are unity
其次，通過廣泛意義上的貢獻因子概念來描述/鑒別不同的離散熱源。最後，在熱源統一的傳熱特性基礎上定義了熱源強度概念，它決定了離散熱源在相互作用中的地位。 -
By combining the linearization of the rewritten governing equation with the method of harmonic balance, improved analytical approximate expressions of the frequency and the corresponding periodic solutions of the oscillator are derived
通過將變形后的控制方程的線性化與諧波平衡法組合起來，我們建立了達芬諧波振子頻率及周期解的改進解板逼近。 -
By combining the newton method and the method of harmonic balance into the rewritten governing equation, we have established improved analytical approximations to the frequency and the corresponding periodic solution of the oscillator
將牛頓線性化方法與諧波平衡法組合起來應用於變形后的控制方程，建立了達芬諧波振子頻率及周期解的改進解析逼近。
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