finite correction 中文意思是什麼

finite correction 解釋
有限更正
  • finite : adj. 有限的；【語法】限定的；【數學】有窮的，有盡的。n. 〈the finite〉 有限（性）； 〈集合詞〉有限物。adv. -ly ,-ness n.
  • correction : n 修正，改正；校正；矯正；〈古語〉懲罰；勘誤表，補正。 a copy disfigured by numerous corrections ...
  1. 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。
  2. In collaboration with the department of physicis and material science of the city university of hong kong and the electronic and engineering department of the chinese university, the faculty of medicine has conducted research on different aspects of computer - aided navigation such as brain shift prediction with finite element model, three - dimensional ultrasound based correction for brain shift, accuracy verification, robotic system, surface identification and matching

    通過與香港城市大學物理及材料科學系及香港中文大學電子工程學系的協作，我們正發展電腦輔助的神經導航技術的多方面研究，例如，採用有限元模型預測腦偏移；除去腦偏移的誤差的立體超聲檢查技術；手術準確性的證實；腦表面區域的定位。
  3. Thermodynamic couple numerical simulation of ring compression of pure aluminum and tube extrusion of superalloy gh4169 is done by adopting the constant friction model and the present friction model in the paper. numerical results are compared with experimental investigations to validate the correction and nicety of the present friction model of bulk metal forming processes. the accuracy of the finite element simulation of bulk forming processes can be improved by adopting the present friction model

    採用二次開發msc . superform軟體，對純鋁圓環鐓粗和高溫合金gh4169管材擠壓過程進行了熱力耦合數值模擬，比較了採用本文提出的多因素摩擦模型和常摩擦模型對圓環鐓粗和管材擠壓過程變形行為的影響，通過與實驗結果的比較，驗證了本文的摩擦模型及其參數值的正確性，也說明了多因素摩擦模型提高了有限元模擬的精度。
  4. A hybrid migration method, named " fourier finite - difference migration ", is a post - stack depth migration scheme. the downward extrapolation operator is split into three operators : one operator is a phase - shift operator for a chosen constant background velocity, another operator is the well - known first - order correction term, and the third operator is a finite - difference operator for the varying of the velocity function. phase - shift downward extrapolation and finite - difference downward extrapolation preserves the advantage of phase - shift method and finite - difference method

    傅立葉有限差分（簡稱ffd ）偏移演算法是一種疊后深度偏移演算法，其向下延拓運算元是一種混合運算元，包括三項：一項是處理常速的相移運算元，一項是一階相移修正運算元，最後一項是類似45度方程的有限差分運算元，用來處理劇烈橫向變速。
  5. The material job and main conclusion are as follows : ( 1 ) a simple boundary orthogonalization procedure independence grids generation method is put forward on the base of algebraic grid generation method ; data structure and computational model on interface are established aiming at blocks of structured grids. ( 2 ) simple procedure is established in nonorthogonal grids by use of the finite volume method and in - depth discusses on special topic such as boundary condition in nonorthogonal grids, deferred correction method and grads compute on calculational nodes, and so on

    本文完成的具體工作和主要結論如下： 1 ）以代數網格生成方法為基礎提出了一種簡單的、可獨立於網格生成方法之外的邊界正交化技術；針對分區結構網格系統建立了分區交界面處的數據結構與計算模型； 2 ）利用有限體積方法在非正交同位網格系統中建立了simple求解演算法，對非正交網格系統中的邊界條件、延遲修正技術及計算節點的梯度計算等專題進行了深入討論。
  6. In order to make a more accurate calculation, we must take higher order effects into account, such as breit interaction, qed correction, and finite nuclear effects

    為了進一步進行更加精確的計算，需要附加各種修正（ breit相互作用、 qed修正以及原子核的有限體積效應） 。
  7. In the paper, stratified flows with combined temperature and salinity are investigated on unstructured computational grids. first, unstructured, collocated finite volume method for navier - stokes equations is developed under the philosophy of generality. the pressure - velocity coupling is treated using simple - like algorithm and explicit correction step technique is applied to speed the convergence rate

    本文從該類研究的難點入手，首先，採用單元中心的有限體積法開發了通用性強，易擴展的非結構同位網格數學模型求解n - s方程，壓力校正採用simple （ simplec ）演算法，並採用顯式校正步法（ explicitcorrectionstep ）對simplec演算法進行了顯式校正。
  8. Abstract : in this paper, with the application of the finite element method, the mechanics model of the carbody of the tunnel inspection car is set up, and the modal and dynamic response analysis of the model are carried out, the response characteristics of the measuring devices on the truss, which are helpful for the improvement on the design of inspection car as well as for error analysis and correction of the data measured by the inspection car, are obtained

    文摘:使用有限元方法建立隧道檢測車車體的力學模型並對其進行了模態和動力響應分析，得出了構架上測量裝置的動力響應特點，結果有助於改進檢測車的設計以及對檢測車測量數據進行誤差分析和修正。
  9. Following problems are mainly discussed in this work : how to build a parametrical finite element ( fe ) model how to choose the design parameters, constraints and objective of the correction model how to evaluate different sensitivity calculating methods and choose optimization algorithms how to get the normal mode - shapes and describe the relativity between normal mode - shapes how to solve the correction problem of fe model by using structure optimization techniques in each paragraph, illustrative examples are used to explain the methods and finally an engineering application of an aircraft correction is presented in the end

    主要進行了如下幾個方面的工作：參數化有限元模型的建立；修正模型設計參數、約束及目標函數的確定；靈敏度方法的比較及優化演算法的選取；固有振型的獲取及模態相關性的定量描述；採用結構優化技術解決有限元模型修正問題。在模態修正過程中，由於修正固有振型涉及大量的有限元計算結果數據，此前，雖有不少文獻在理論上研究了它的修正方法，但都沒有給出工程應用實例，而本文解決了固有振型修正的工程應用問題。
  10. For fermi system, the finite number effect adds a negative correction to the fermi temperature in 3d, 2d cases, whereas has no effect on 1d case

    有限粒子數效應降低了體系的實際的fermi溫度，這個差別也是由位勢的頻率分佈和粒子數n決定的。
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