boundary surface model 中文意思是什麼
boundary surface model
解釋
本構模型邊界面模型-
A one - dimensional oceanic mixed layer model with the m - y level - 2. 5 turbulence closure schemes is employed. the rate of energy loss by breaking waves is estimated by parameterization and incorporated into the model as a source of turbulence kinetic energy ( tke ) by modifying the existing surface boundary condition of tke equation. the velocity field and turbulence energy budget are calculated under different forcing conditions ( the results given below are for a wind speed of 20 m / s. )
採用一維2 . 5階湍封閉混合層模式，根據參數化方法對波浪破碎導致的能量耗散率進行了估計，通過改變湍動能方程的上邊界條件引入波浪破碎對湍動能生成的影響，計算了不同風應力強迫下的混合層流場結構和湍能量收支（下述給出的結果是取風速為20m s得到的） 。 -
Next, in order to comprehand the electromagnetic characteristics and the dynamic characteristics of the new type of magnetic micromotors, the dissertation applied the concept of the magnetic scarlar potential of the irrotational magnetic fields and set up the mathmatic model for the inner magnetic field of the new type of motors from the basic equations and the boundary conditions of the motor magnetic field. oh the basis of the mathmatic model, the dissertation analized the various qualities of the magnetic field of the air gap between the rotor and the stator and gave a detailed calculation of the air gap ' s magnetic potential, magnetic field intensity, magnetic induction, the shape of the magnetic scarlar potential level surface, the distribution of the magnetic circuit, the magnetic induction the self - inductance and the mutual inductance of the coils
其次，為全面了解這種新型電磁電機的電磁特性和動力特性，本文從電機磁場的基本方程及其邊界條件出發，應用無旋磁場的標量磁位概念，建立了端面搖擺式電磁微電機內部磁場的數學模型，並以此為基礎，詳細分析了電機氣隙磁場的各方面性質，對氣隙磁場的磁標位、磁場強度、磁感應強度、等磁位面形狀、電機工作磁路的分佈、電機的工作磁通量以及激勵繞組的自感和相互之間的互感進行了詳細的分析計算。 -
The aerodynamic design of curve of nozzle adopts perfect gas cresco method to calculate non - existence glutinous model surface, the correct boundary layer of the nozzle wall side adopts sivells - payre method, and the calculation of constringency part of the nozzle adopts stock formula
其中，噴管型面氣動設計採用理想氣體的cresci方法計算無粘型面;噴管的附面層修正採用sivells - payre方法;噴管收縮段的設計採用維托辛斯基公式。 -
Compared with the behavior of macromolecules in real solution system, the adsorption information in the monte carlo simulation system, such as adsorption isotherm, surface coverage, and bound fraction, was studied for discussing its relation to simulation parameters. five - selection simple cubic lattice, self - avoiding walk, and nearest interaction model were used to construct the homopolymer adsorption model on the solid - liquid interface. periodic boundary conditions were used to reduce the fixed error from limited cubic lattice in size
模擬中採用五選擇簡單立方格子上的自迴避行走和最近鄰相互作用模型；使用周期性邊界條件以減小有限大格子空間帶來的系統誤差；用鏈節間相互作用能、界面吸附能、體相濃度和鏈長約束體系中的高分子的吸附行為；用末端轉動、 l -翻轉、曲柄運動、蛇形運動和r - r切除-生長法對模擬體系進行擾動；用系統達到吸附平衡后的樣本來研究模擬體系中的高分子鏈在固液界面上的吸附。 -
A transfer model is established, which can be used to study the interaction between the land surface physical processes of inhomogeneous region and the structure of atmosphere boundary - layer over urban and rural terrains. the model has simulated surface heat flux, surface temperature, temperature profiles, height of mixture layer and so on. and the differences between urban area, suburban area and rural area have been compared. this model mainly depends on the parameters below : surface albedo, surface roughness coefficient, moisture available coefficient of soil, thermal capacity and thermal diffusion coefficient of errain, cloudage. the result shows that this model can simulate the structure and eigenvalues of atmosphere boundary layer and their changes in a day. parameters used in this model aim at beijing city, and the time is at the beginning of september. to other cities, or other time, the parameters should be adjusted accordingly. in addition, being adjusted, the model can also be used for other homogeneous and inhomogeneous terrains
模式主要依賴于以下參數和物理量：地面反照率下墊面粗糙度土壤的可含水量下墊面的熱容量和熱擴散系數雲量等參數。結果表明，本模式能合理地模擬不同地表熱量平衡地表氣溫混合層高度湍流交換系數湍流動能位溫廓線等，以及它們的日變化。該模式所取參數主要針對北京市，時間為九月初，對于其他城市，參數應作相應的調整。 -
The updated model with complete forcing has excellent ability of simulation and forecast. to study yellow and east china circulation in winter and summer, based on long - term ocean observation data of january and august, the fine structure of yellow and east china seas circulation is diagnostically calculated with complete forcing ( including surface wind stress, boundary transportation, baroclinic effect, tide, changjiang river runoff ) in winter. the influences of factors on main circulation patterns are discussed respectively
對于冬季和夏季海洋環流的情況，在多年觀測的溫鹽資料基礎上，分別以1月份和8月份代表黃東海冬季和夏季的情況，以月平均大氣風應力、邊界流輸送、溫鹽斜壓效應、潮汐、長江口徑流等作為強迫條件，對黃東海環流的細微結構作了高分辨的三維數值模擬，探討了各因子對冬、夏季主要流系的動力學作用。 -
Neural network model for examination of the temperature characteristics of boundary film on friction surface
摩擦表面邊界膜溫度特性的神經網路模型 -
With energy method, we can conveniently control the precision of the objective surface and add boundary constraints for preserving the model ' s global geometric continuity, but this method is very time - consuming. stiffness adjustment is the easiest method to be implemented and the fairing result is always satisfying except that the acquired surface editing is awkward. based on wavelets decomposition, the surface model ' s data size can be compressed efficiently and this method is running fast, however, the error and boundary constraints are difficult to be considered
其中基於能量原理的光順方法能夠方便地控制目標曲面的精度和邊界條件，從而能夠實現曲面模型的全局連續性，但是能量法的運算速度還有待提高；剛度調整法實現簡單，但是生成的曲面的可編輯性較差；小波分解方法計算速度很快，能夠有效地實現數據壓縮，但是其逼近誤差和邊界條件卻難于控制。 -
The innovation of multiple mechanism boundary surface plasticity model is that the effect of rotation of principal stress axial directions and large shear displacement of sand in the earthquake induced liquefaction are taken into account at the same time in the model
獨到之處在於所建立的多機構邊界麵塑性模型能夠同時考慮土體在復雜荷載作用下主應力軸旋轉的影響和砂土地震液化時剪切大位移特性。 -
Finally a set of equations with initiate values for boundary value problem is established where the velocity potential and its normal derivative are unknowns. because the model includes the effects of both the time and space to the velocity potential of free surface, it can be applied to strong nonlinear wave. as examples, solitary wave is computed in the numerical flume
推導給出計算域內以所有節點波勢函數和波面位置高度的時間增量為未知量的線性方程組，並同時考慮時間因素和空間變位對波面勢函數的影響，在預設的計算精度下，通過時步內的循環迭代逐一確定每個時步上的波面運動位置，從而建立了一種可適于求解強非線性波浪變形計算的數值模式。 -
( 2 ) a series of experiments on time scale distortion are made with real river model, inflow and outflow boundary condition, and continuous simulation. by means of analysis of the experimental data on model water level, water - surface gradient, cross velocity, outflow discharge process and the sediment transportation capacity, the main physical reasons for the above hydraulic parameters deviations caused by time scale distortion are illustrated : response delay of model channel storage capacity and rate of water level with time
（ 2 ）採用真實的河工模型和入出流邊界控制條件以及連續模擬的方法進行了有關時間變態率的系列試驗，通過模型水位、比降、流速、出口流量過程線和斷面挾沙力試驗資料的分析，闡明了時間變態引起上述各種水力參數偏離的主要物理原因：模型的槽蓄響應和洪水過程時間變化率的響應滯后。 -
On the basis of the work in xie et al. 5, xie et et al. 7 and liang et al. 8 established a dynamic repre - sentation of the groundwater table in a land surface model through reducing it to a moving boundary problem and solving it by the mass - dumped finite element method
基於以上工作，謝正輝等7 ， liang等8通過將地下水位動態表示問題歸歸結為運動邊界問題，用有限元集中質量法直接求解，建立了地下水位的動態表示模型 -
This paper takes jin ’ ao mansion and adjacent buildings as the study object. first we put the stated reduced scale model in the atmospheric boundary layer which the tunnel simulates, applied the dynamic pressure measure technology on the building ’ s surface to get the mean and fluctuating wind pressure coefficient, drew out the contour of pressure coefficient and analyzed its distributing law and characteristic
本文以金奧大廈及其鄰近建築作為研究對象，首先把一定縮尺比的模型置於風洞模擬的大氣邊界層環境中，運用建築表面動態測壓技術獲得金奧大廈表面的時均風壓系數和均方根風壓系數，繪制時均風壓系數和均方根等值雲圖並分析其分佈的規律和特點。 -
With this approach, the surface model can approximate inner scattered points and interpolate boundary conditions while keeping the global gl continuity. actually, the study on the theory and technology of b - spline surface reconstruction with complicated boundary constraints is an essential and innovative point of this thesis
實際的運行例子表明，基於這種方案創建出來的曲面模型不僅能夠可調節性地逼近區域內部的散亂數據點，而且同時能夠插值于要求的邊界約束條件，從而保證整個曲面模型的全局g連續性。 -
Yang and xie 9 developed a numeri - cal model for the moving boundary problem through reducing it to a fixed boundary problem by a coordi - nate transformation. it is necessary to reduce the a subsurface runoff parameterization with water storage and recharge based on the boussinesq - storage equation 623 computational cost of the groundwater model so that it can be applied to a land surface model for climate studies
文獻9通過一個坐標變換將運動邊界問題轉化為一個固定邊界問題，進一步改進了該土壤水模型的數值計算方法，使其減少計算量，達到能在一般通用的模式中實際應用 -
Aiming at the existed problems in reverse engineering techniques concerning triangulation method for scattered data points, display technique of three dimension model based on mesh simplification, and redesign technique for re - constructed surface etc., this paper studies and proposes the relevant solving schemes, key algorithms and realizing technologies. the chief contributions acquired by this paper include : ( 1 ) an effective 3d triangulation algorithm for scattered data points is put forward. this algorithm solves the problem that data points must be partitioned for multi - projection realized by traditional 2d triangulation methods, and can also triangulate the scattered data points of trimmed surface and concave boundary surface
本文工作針對散亂點集的三角網格劃分及優化、基於網格簡化的真實感模型顯示，以及重構曲面再設計等反求工程的關鍵技術中還存在的諸多問題，提出了相應的解決方案，並對關鍵演算法和實現技術進行了深入研究，論文的主要成果包括： （ 1 ）提出了一種有效的散亂數據點集的3d空間直接三角網格劃分演算法。 -
The upper boundary of model is the phreatic surface having rainfall, river and reservoir recharge and spring drainage
模型頂面是有降雨和河流、水庫入滲補給，以及泉水排泄的潛水面邊界。 -
Each virtual simple shear mechanism is simulated by boundary surface plasticity model in the virtual stress and strain space
其中最明顯的是位於與實際單剪方向一致的虛擬單剪機構。 -
Boundary surface model
邊界面模型 -
After a series of operations on the surface model built from measured data points, the continuity along the common boundary or around the corner region of some adjacent surfaces may be destroyed
基於散亂點重構出來的b樣條曲面模型在經過一系列的後序編輯工作之後，相鄰曲面在公共的邊界處或角點區域處的連續性往往會被破壞。
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