boundary method 中文意思是什麼

boundary method 解釋
邊界法
  • boundary : n 邊界,疆界,限界 (between);(球場)邊線;界標;界限,范圍,分野。 aboundary dispute 邊界糾紛...
  • method : n 1 方法,方式;順序。2 (思想、言談上的)條理,規律,秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. Boundary element method analysis of discontinuities in a dielectric - filled rectangular waveguide with air posts

    矩形波導填充帶有空氣柱介質不連續性的邊界元法分析
  2. For a class of quadratic finite element diseretization systems of an elliptic boundary problem with jump coefficients under the unstructured quadrilateral grids, we are concerned with two kinds of quadratic lagrangian finite element equations, by analyzing the relationship between the linear finite element and quadratic finite element basis functions, a hew amg method is designed

    摘要針對一類帶間斷系數的橢圓邊值問題,在非結構四邊形剖分下,討論了兩種二次拉格朗日有限元方程的代數多重網格法,通過利用雙線性元和二次元基函數之間的表示關系,給出了一種新的網格粗化演算法和構造提升運算元的代數途徑。
  3. In this paper a kind of cardio - cerebral arterial bifurcation vessel hemodynamic characteristics are studied with the boundary element method, and the blood flowing velocity vector distributions have been calculated. in addition, the flow field distribution and the pressure on the particle surface are also calculated, when there is flow - round particle at the place of bifurcation, the move tendency of the particle is judged, the possible reasons of causing the atherosclerosis, thrombus, angioma are analysed

    本文用邊界元方法研究了一類典型心腦動脈分支血管中血液流動的流體動力特性,計算了分支血管血液流動的速度矢量分佈,同時計算了分支附近有多個顆粒狀繞流物時血液的流場分佈,及顆粒物所受壓力狀況,給出了顆粒物的運動趨勢,分析了引起粥樣斑塊病變、血瘤、血栓的可能原因
  4. Introducing the theory and application of boundary element method on the sound radiation, giving the process of solving vibration noise radiation problem using boundary element analysis software ; presenting the coupling theory and the combination analysis of finite element method and boundary element method, and doing relevant analysis based on close drum shell ; programming the noise data simulation program using the numerical calculation software, simulating the acoustic and pressure data of a key point in the transient response acoustic field of the close drum shell, realizing the audibility of the noise, using the virtual reality tools to simulate the vibration noise of the drum shell ; combining the finite element method and boundary element method to analyze the vibration noise radiation of some gear box, and completing the whole simulation process of the vibration noise of the gear box

    綜合介紹了邊界元法在聲輻射問題上的理論及應用;並給出了運用邊界元法分析軟體求解振動聲輻射問題的過程。闡述了有限元法和邊界元法的耦合理論及組合分析方法,並以封閉鼓形薄殼為分析對象進行了相應的分析。利用數字計算軟體編制了噪聲數據模擬程序,並模擬了通過組合方法分析封閉鼓形薄殼瞬態響應聲場而獲得一關鍵點的聲壓數據,實現聲音的可聽化,隨后通過虛擬現實工具實現了該情形下橢球殼振動噪聲的虛擬模擬。
  5. Due to nonlinear bottom boundary condition, the generation of internal tides over finite topography can only be deal with by using of ray - tracing method beforetime. the transforms introduced in this dissertation make it possible use eigenvalue method to investigate the generation of internal tides over finite topographies

    由於非線性邊界條件的使用,前人處理有限地形上內潮的產生問題只能求助於射線理論,本文提出的坐標變換將若干海底地形變換成平底,從而使得利用特徵值方法研究這些地形上的內潮生成問題成為可能。
  6. And the explicit finite difference method, the combining method of the central difference method and newmark s constant average acceleration method, and the transmitting boundary are used. by comparing the acceleration determined by the several methods of the displacements or velocities, a computing method of acceleration employed the one side difference of velocity is more practicality in this research. corresponding to normal incidence of the body waves, p waves or svwaves, and rayleigh surface waves, two two - dimensional finite difference programs are compiled to compu te the dynamic response of two - phase media

    以土力學模型為基礎,利用以土骨架和孔隙流體的四個位移為基本未知量的數值方法去模擬二維飽水介質中的地震波傳播,採用了顯式差分方法(中心差分法和newmark常平均加速度法結合)和透射邊界,通過比較利用幾種差分格式求解的加速度結果,發現一種用速度單邊差分求解加速度的方法在本文研究中較為實用,分別編制了體波( p波或sv波) 、 rayleigh面波輸入時求解兩相介質動力響應的兩個二維數值分析程序。
  7. By the polygonal approximation method, a global approximation solution is constructed for the initial - boundary value problem of nonconvex scalar conservation laws with two - side boundary effect, and its convergence to the global weak entropy solution of the corresponding problem is proved

    摘要使用折線逼近法,對具有兩條邊界影響的非凸單個守恆律初邊值問題構造了整體近似解,並證明其收斂到初邊值問題的整體弱熵解。
  8. Using the split steps finite element method, the varied - boundary two - dimensional numerical model of diurnal tide and tidal current in the luoyuan bay is constructed

    摘要採用不規則三角形網格的分步雜交法,建立羅源灣海域二維變邊界全日潮汐和潮流數值模型。
  9. Thirdly, we obtain multiplicity of solutions for resonant non - homogeneous boundary perturbations from symmetric problem without parameter by a new perturbation method introduced by bolle in reference [ 4 ], applied in references [ 5 ] [ 6 ] and extend in reference [ 7 ]. references [ 5 ] [ 6 ] have considered some exceptive case while the section consider general case

    再次,利用bolle在文獻[ 4 ]中提出的、被應用於文獻[ 5 ] [ 6 ]以及在文獻[ 7 ]中被推廣的一種新的擾動方法得到問題即不帶參數的對稱共振非齊次邊值擾動問題的多重解,在文獻[ 5 ] [ 6 ]中討論了非線性項為摘要幾種特殊情形的情況,此部分討論非線性項為一般情形的情況
  10. The plasma boundary can be identified by filament current method with the magnetic signals from probes around the plasma

    摘要根據等離子體邊界附近的磁場測量信號,利用電流絲模型快速識別了等離子體的邊界。
  11. Because of the flexuous coastal line and the diverse topography of zhejiang province, nested grid method is used to simulate the interested research area with fine grids of 1 ' 1 ", and analyses the whole area of bohai sea, yellow sea and east china sea, including the seas adjacent to zhejiang, with wide grids of 10 ' 10 ". the opening boundary condition of the small area is obtained from the calculation results in large area

    針對浙江近海岸線曲折,地形多變的特點,引入網格嵌套技術,對我們感興趣的研究區域採用1 1細網格進行計算,而對包括浙江近海在內的整個渤、黃、東海大區域則用10 10粗網格;其中,小區域的開邊界條件由大區域的計算結果來提供。
  12. This thesis primarily makes below the work of a few aspects : ( 1 ) the method to append the section line in the geological section plane and the geological plane graph intersected each other ; ( 2 ) the principle and method that automatic determinate of orebody on transverse section with the neural network theory was presented, and draw the slippery boundary of ore ; ( 3 ) the method that drawing the surveying well and lane way engineering in the geological and survey graph ; ( 4 ) the method to automatic calculation and statistics output ore reserves and grade ; ( 5 ) the method that automatic creating the geology cross section of the hole ; this thesis realizes automation for managing geological graph based on the substantive research work

    本論文主要作了以下幾個方面的工作: ( 1 )提出了在相交平面圖和剖面圖中添加剖面剖切線的方法; ( 2 )提出了應用人工神經網路理論確定剖面中礦體界線的理論和方法以及礦巖界線圓滑的原理與方法; ( 3 )實現了礦山生產實測工程數據處理與地測圖件的有機結合; ( 4 )實現了礦塊地質品位和儲量的自動計算和統計輸出; ( 5 )提出了中深孔炮孔排面地質剖面圖自動剖切的原理和方法。本論文在大量研究工作基礎上,實現了地測圖件管理的計算機自動化。
  13. There are three sections in this paper. the first section : we consider the initial boundary value problem on half line and bounded interval, with kato ' s method for abstract quasi - linear evolution equations and a prior estimates of. solution, we get the existence of global smooth solution and the blow - up of solution in finite time under some conditions

    第一部分:考慮了camassa ? holm方程在半無界和有界區域上的初邊值問題,用kato關于擬線性演化方程的初值問題的理論及先驗估計的方法,證明了整體解的存在性,及在一定條件下,解在有限時間內的blow ? up 。
  14. Compared pec pmc method with periodic boundary method. basing on these, writes stimulation program for the wave absorber of bowtie patch array loading resistance, and computes its reflectance

    比較了電壁磁壁和周期邊界條件兩種截斷方法,在此基礎上針對蝴蝶結型加載阻抗吸波材料,採用c語言編寫模擬程序,計算了它的反射率。
  15. In this thesis, the tides and tidal currents in the seas adjacent to zhejiang province are simulated with a three - dimensional baroclinic primitive equation model - hamburg shelf ocean model ( hamsom ). two numerical techniques - nested grid and moving boundary method are used successfully and high precision results which compared with the observed ones are obtained. these results reveal the characteristics and the moving rules of the tides and tidal currents in this area

    本文採用三維陸架海模式( hamsom )對整個浙江近海的潮汐和潮流進行了三維數值模擬,成功地應用網格嵌套和動邊界技術獲得了和實測資料相吻合的較高精度的結果,揭示了浙江近海潮汐、潮流的主要特徵和運動規律。
  16. Second, a visual software for srm electromagnetic field computation is developed by using object oriented programming, in which rotor movement problem is dealt with moving boundary method

    第二,用運動邊界法處理相對運動,應用面向對象的程序設計方法,開發了可視化開關磁阻電機電磁場分析軟體。
  17. Moving boundary method

    移動邊界方法
  18. Furthermore, according to the feature of widely distributed intertidal regime along the coast, moving boundary method is used to truly simulate the water area with such changes

    又根據沿岸潮灘廣泛分佈的特點,引入動邊界技術來真實模擬這類變化的水域。
  19. A case study is presented for the reachable workspace of the human finger ( flexion / extension planar motion ), based on the research on the anthropometric data of human finger kinematic parameters and the joint motion range limits, and then 3 - d modeling of fingers reachable workspace using a recursive swept boundary method is constructed

    通過測量活體手指的長度及活動度,研究了人體手指幾何和運動參數的分佈,並用曲麵包絡的方法求出手指可達工作空間的三維模型。
  20. We derive a foundational equation in the virtual boundary method, and essential conditions that the virtual boundary must satisfy

    摘要以位勢問題為分析對象,從格林公式出發嚴格導出了虛邊界元法的基本積分方程。
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