hydrodynamic equations 中文意思是什麼
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The calculated drafts covers the whole possible ship draft in the large amplitude motion ; secondly, the research creates and solves the ship large amplitude motion equations. on the one hand, the actual calculation takes into account the coupling between the different motion modes, on the other hand, in the process of calculation of the ship hydrodynamic coefficient, it considers the influence of the nonlinear factor. the hydrodynamic coefficient used in the calculation of froude - krylov force, diffraction force and radiation force changes instantaneously following the draft, and the hydrostatic buoyancy is computed very accurately for the instantaneous immerse hull
本文的研究分為二個部分：首先利用frank源匯法計算水動力系數，計算包括不同吃水時的附加質量和阻尼系數，吃水范圍涵蓋了船舶大幅度運動時所有可能的吃水；然後建立和求解船舶大幅度運動方程，在實際計算時一方面考慮了運動模態之間的耦合，另一方面在計算水動力時，考慮了非線性因素的影響。 froude - krylov力、輻射力、繞射力中的水動力系數隨吃水瞬時變化，靜浮力的計算精確到船體瞬時濕表面積，最後用四階龍格?庫塔方法在時域內求解船舶運動方程，並進行了載荷計算。 -
Based on underwater vehicle ' s nonlinear differential equation and observation equations, swarm intelligence algorithm is used to identify ten hydrodynamic parameters from simulation observed data of the motions of underwater vehicle
摘要通過水下航行體的狀態方程和試驗觀測方程，利用智能辨識技術對水下航行體的模擬運動數據進行了模擬辨識，求得了10個水動力參數。 -
A multi - block incompressible viscous flow solver has been developed that can be applied to simulation of a variety of ship maneuvering related flows and calculation of hydrodynamic forces. validation and verification of the solution procedure are carried out on several model problems with good agreement to experimental and numerical results. the present block - structured viscous flow solver is based on solving the reynolds - averaged navier - stokes ( rans ) equations with a second - order cell - centered finite volume method ( fvm ) on non - staggered grids
本文即在這種背景下，瞄準船舶操縱水動力預報方面的國際前沿和熱點課題，通過對現代船舶粘性流計算方法的研究，自主開發了一個船舶操縱粘性流求解器，並將所開發的求解器成功地應用於一系列和船舶操縱問題相關的粘性流動與水動力計算，得到了令人滿意的結果。 -
Firtly, the laser envelope equation and the walefeild equation are derived from maxwell ' s equations and the hydrodynamic equations for the relativistic cold electron fluid
首先從maxwell方程組出發，推導出激光傳輸方程和尾波場方程。 -
The equations which are used in the radiation hydrodynamic model include the hydrodynamic equation of plasma, the absorption equation of laser, non - lte electron occupation probability equations, electron ion and photon energy equations ( three - temperature equations ), and the state equation of matter and so on
考慮的方程有：等離子體流體力學方程組，激光吸收方程，非局域熱動平衡電離下電子占據概率的速率方程組，電子離子的能量守恆方程組和光子的能量輸運方程（三溫方程組） ，關于元素不透明度的方程，以及描述物質狀態的方程等。 -
The total pressure is subdivided into the hydrostatic and residual hydrodynamic components. k - e turbulent flows model, non - staggered curvilinear grids, momentum interpolation, simplec and simpler algorithms are used to solve the basic equations
水流運動方程壓力項分解為靜水壓力和動水壓力，紊動粘性系數由k紊流模型求解，非交錯網格減化方程離散，降低插值運算。 -
During the processing system development, firstly, set forth the methods, importance and two recently formulas of hydrodynamic derivatives. secondly, based on the mmg module the maneuvering motion equations are established for the ship in still and deep water. to compile and run the program, the calculation results compared with the experimental data
本論文首先簡述了獲得水動力導數的方法、重要性和兩種新的估演算法，接著運用mmg分離型船舶運動數學模型，建立了深水、靜水域的船舶操縱運動方程，並編制計算程序，將試驗結果同數值計算結果相比較，獲得較為滿意的結果。 -
Numerical simulation is a very important aspect for this research, in which the main task is to solve the system of radiation hydrodynamic equations, especially, we usually do this task using lagrangian coordinates, and in this case the numerical treatment of three - temperature energy equations is a main difficulty
數值模擬是這項研究的非常重要的手段，其核心內容是求解輻射流體力學方程組，而其中三溫能量方程的數值處理又是在lagrange坐標下求解輻射流體力學方程組的主要難點之一。 -
In this paper, a brief introduction of hydrodynamic, sediment transport model and its application in engineering projects are reported. 2. the equations are derived using a tensor analysis of two - phase flow, and the background of basic equations and parameters in the numerical model are discussed
本文採用非交錯曲線網格二、三維水流泥沙數值模型研究感潮河道水流泥沙問題，主要內容有： （ 1 ）綜述水流泥沙數值模型的發展概況，及其工程應用。 -
Some progress in the lattice boltzmann model and hydrodynamic equations
模型的改進與流體力學方程 -
Discontinuous finite element methods for solving hydrodynamic equations
流體力學方程的間斷有限元方法
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