numerical computing methods 中文意思是什麼
numerical computing methods
解釋
數值計算方法-
The numerical computing methods of the equations involving the static electric - magnetic field, electronic motion in the static electric - magnetic field, and so on are detailed. the methods of the boundary disposal are introduced. the phenomenon of secondary electron emission has also been studied
介紹了數值計算方法，包括靜電磁場的數值計算、在靜電靜磁場中電子運動軌跡的數值計算、空間電荷密度的數值計算和空間電位分佈的數值計算;介紹了邊界處理方法。 -
The main research contents of the physical design include : presenting the domestic and international status of space weather and expanding on the need and the importance about the space weather forecast ; sorting the disastrous space weather and discussing their effects and adapted prediction methods ; analyzing the solar disturbing resources of space weather and the precursor or concomitant phenomena of solar eruption based on the newest observational results ; probing into the radiation principle of solar short - wave ray and presenting the computing methods about solar continuum and line spectrum radiation ; extrapolating physical methods of reconstructing the temperature and the emission measure of coronal plasma ; argumenting the effective observing spectrum for space weather empirical forecast and space weather numerical forecast
物理設計的主要研究內容包括：分析目前國內國際空間天氣預報的發展現狀及開展空間天氣預報的必要性和重要性；分類討論了災害性空間天氣的種類、影響及目前國際上的預報方法：分析了空間天氣太陽擾動源及擾動源爆發的先兆現象或者伴生現象；討論了太陽短波輻射線譜和連續譜輻射強度的計算方法：推導了利用望遠鏡多波段的觀測結果反演日冕等離子體溫度、發射量等參數的物理方法：論證了開展空間天氣經驗預報和發展數值預報有效的成像譜段。 -
This paper try to mix the finite strip method and hybrid stress element, and deduce a numerical and computer method which combines the advantages of the two methods - mixed hybrid finite strip method ; analyze the intensity and stability of the orthotropic plate by this method ; deduce the formula of the orthotropic plate ' s analysis and calculation under this method ; compile the program of orthotropic plate ' s mixed hybrid finite strip method ( hfsop. for ) with fortran - 77 language, and perform them under fortran90 environment of pc computer ; comparing with traditional methods by example of computing, prove that the mixed hybrid finite strip method have better degree of accuracy, moderating the stiffness of plate, coming more close to actual conditions, avoiding over - hard or over - soft ; finally, this paper analyze the stability of a orthotropic plate by this method, and deduce the - value of critical stress
論文將有限條法和應力雜交元法兩者結合起來，導出一種兼有兩者優點的數值計算方法? ?混合雜交有限條法。運用這種方法對正交異性板的強度和穩定進行了分析，推導出正交異性板在這種方法下的分析計算公式，用fortran - 77語言編寫正交異性板混合雜交有限條法程序（ hfsop . for ）在微機fortran90環境下運行。通過算例與傳統的方法比較，驗證混合雜交有限條法有更好的精度，使板的剛度適中，更接近實際情況，避免「過硬」或「過軟」 ；最後，論文還用此方法對一正交異性板進行了穩定分析，得出臨界應力值。 -
On the basis of existing studies in the field of seepage of rock mass both at home and abroad, the present dissertation has conducted a broad study in terms of hydraulic and geometric parameters, computing model, basic seepage law, fracture drainage, rockmass " unloading mechanics and its relations with seepage. the paper is written by employing such methods as field observation, model test, theory research and numerical analysis. the main research payoffs are as follows
本文在充分認識了國內外巖體滲流研究的發展及研究現狀的基礎上，結合現場觀測、模型試驗、理論研究及數值分析等多種方法，對裂隙巖體的水力幾何參數、計算模型、基本滲流規律、裂隙排水、巖體卸荷力學及其與滲流的相互作用等多方面進行了研究，取得了如下一些主要成果。 -
The present thesis solves euler equations with quick parallel computing methods on grids. based on schwarz parallel algorithms, collectivity flow field numerical value solver can be gained via evaluating interface boundary cells by passing information
本文的主要目的是并行快速求解歐拉方程數值解，是以schwarz并行演算法為理論依據，通過信息傳遞對內邊界單元賦值，以得到總體流場的數值解。 -
At the same time, the constitution of item of each fee claimed caused by delays and methods computing the numerical value of fee claimed are analysed in particular
同時，本文對延誤產生的各費用項目的組成和費用索賠值的計算方法進行了詳細分析，為施工延誤費用索賠的計算提供了依據。 -
Afterwards, a duffing system with delayed displacement feedback is studied by the method of multiple scales and other numerical methods. the uniform formulas for computing the critical values of time delay are given and the global diagrams of bifurcation for the periodic solutions with respect to the time delay are obtained under different parametric combinations. it is shown that the hopf bifurcation and the saddle - node bifurcation are the only two types of bifurcation observed in such a system
接下來用多尺度法及數值方法研究了一具有時滯位移反饋的duffing系統的動力學，得到了不同參數下系統平衡點發生穩定性切換時的臨界時滯計算公式及關于時滯的大范圍hopf分叉圖，並發現saddle - node分叉及hopf分叉是系統出現周期運動的兩個主要的來源。 -
The system properties of single - loop system, such as velocity, torque, bifurcated power, transmission efficiency are researched deeply using theoretical analysis and numerical computing, and gives new methods for designing which according to the design parameter a and combine with the system diffluent coefficient q and the ratio of x, p cell transmission. so the theoretical expressions for designing this kind of transmission is established. the design parameter a is put forward as the ratio of confluent power and the input power of single - loop system
通過對單環路系統的運動學和動力學特性、功率流特性、傳動效率特性等所進行的理論分析和數值計算，提出了以單環路系統主支路功率大小與輸入總功率的比值為關鍵設計參數的設計新方法，並結合系統的功率分流系數q和各組成單元的傳動比，得到了單環路系統的速度、力矩、功率流、傳動效率等計算公式，為該種傳動類型的設計提供了必要的理論依據。 -
Raft is regarded as rigid body, the interaction of piles, soil and excess pore pressure is simulated by bcflm, and load transfer function is used to simulate the pile in non - liner working situation. according to these analytical methods, the corresponding numerical computing program, consolidation pile raft interaction ( cpri ), with advanced language c + + is accomplished
本文根據考慮土體固結的樁?土?承臺共同作用理論，使用c + +分別編制了考慮土體固結的共同作用數值模擬計算程序cpri （ consolidationpilesraftinteraction ）和不考慮土體固結的共同作用計算程序pri （ pilesraftinteraction ） 。 -
To meet the practical requirements for distributed - memory parallel computing of numerical forecasting models, we study on the parallel characteristics of spectral element and finite difference methods. on this basis, we develop fast and parallel computations for three meteorologic models, including 2 - d shallow water equations, the new generation multi - scale weather forecasting model and the ocean general circulation model
本文從氣象預報數值模式分散式存儲并行計算的實際需要出發，著眼于譜元素方法和有限差分的并行計算性能，研究了二維半隱譜元素淺水波模式、中國科學院大氣物理研究所第三代海洋環流模式和中國新一代多尺度預報模式等三個氣象預報模式的高效并行計算，設計實現了相應的應用軟體。 -
The numerical methods utilized in solving the set of mathematical equations involve calculating the spatial rate of change of variables, which means a priori grid point value information along the boundary outside the model domain has to be separately provided to set up time - dependent boundary conditions for computing the governing equations
：計算有關數學方程組的數值方法，牽涉到變數在空間的分佈變化，故此亦需要另外提供模式范圍以外的網格點值，從而按時間設定邊界條件，以完成基本方程組的運算。
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