mathematic computation 中文意思是什麼
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We established geological and mathematic model for the relief of overthrust fault and earned out simulation computation after selecting factors. the result is that pressure can be released when fault is open. but ft will take a long time for the formation pressure to be relieved to normal formation pressure
建立了逆掩斷層泄壓的地質模型和數學模型，選取參數后進行了模擬計算，結果表明逆掩斷層活動開啟釋放壓力，但要將地層壓力釋放到正常地層壓力需要時間較長，在斷裂活動時期不足以將圈閉中超壓釋放掉，這是庫車坳陷超壓能夠保存的另一主要原因。 -
With vrml techniques, the process of co - rotating twin - screw machining is simulated based on the theory of machining with milling cutter, and the machining simulation theory and its key techniques are discussed. the mathematic model and computation are proved correct and feasible through cutting experiment and the model is now applied in practice
該方法和技術可以有效的支持同向雙螺桿圓柱螺旋面的加工刀具的優選。並在用圓柱立銑刀加工同向雙螺桿的理論基礎上，利用vrml技術，對加工過程及其理論誤差進行了模擬，討論了模擬加工的原理和關鍵技術。 -
This essay takes the method of listing equations of gears " surface directly and installing them in appropriate coordinate system to establish the mathematic model for analyzing engagement of spiral helical gear. programs use this mathematic model to make numerical computation as well as to output the contact domains diagram and the relative velocity diagram on this foundation
本文採用直接列寫齒面方程、在適當的坐標系中安裝的方法，建立了螺旋齒輪嚙合分析的數學模型，編製程序利用該數學模型進行數值計算，並在此基礎上輸出接觸區圖和相對速度圖。 -
A mathematic model is first introduced for optimizing the layout of flood - release structures in a high arch dam after an idea of the broad sense of construction costs for unit area gate is introduced, and the optimal computation of the layout of flood - release structures in xiao - wan arch dam demonstrates that this model is reasonable ; 4
在引入了閘門廣義單位面積造價的基礎上，首次建立了高拱壩壩身泄洪建築物布置的數學優化模型，並通過對小灣拱壩壩身泄洪孔口的優化布置計算，說明所提出的數學優化模型是可用的； 4 -
By far there is no mathematic theory basis for unified parallel computation model
而且目前還沒有提供統一的并行計算模型的數學理論基礎。 -
Using mathematic analysis method analyses the different tie - in " computation mode of fabricated lining railway tunnel. the thesis studies the contents as follows : amended rigidity method can simulate the mechanism by changing the rigidity coefficient, but it is difficult to choose the rigidity coefficients
本文用數值分析的手段，對裝配式襯砌不同的接頭計算模式分別進行了有限元分析，主要內容如下： （ 1 ）修正剛度法可以通過改變管片接頭處的剛度折減系數來很好的模擬接頭的受力機理，但是剛度折減系數的選擇無疑是很難的。 -
According to the mathematic modeling principle of physical problem, the error of lattice boltzmann model is analyzed in chapter 3. the nonlinear deviation term from the navier - stokes equation is given, and the main model coefficients, such as speed of sound, viscosity and so on, are verified by numerical computation, the results show that the lattice boltzmann method has second order precision in space and in time which satisfy the engineering application, whereas, the compressible effect ca n ' t be neglected along with mach number increasing, and must be reduced or eliminated
其次，按照物理問題數學建模的原則，對格子法的誤差進行了分析，給出了格子bgk方程再現navier - stokes方程時的壓縮誤差項，並數值驗證了格子模型的聲速及粘性系數等相關參數的精度，表明格子模型盡管具有時空二階精度，能滿足工程計算的要求，但隨著mach數增大，壓縮誤差逐漸成為主要誤差，必須予以消除。 -
Based on the detailed and abroad investigation of the inland and overseas literatures three dimensional turbulence computation in recent 10 years, the vertical delaminating coefficient ko was introduced in normal - coordinate transform in this paper. this means = was used to displace the normal, which has been regularly used in the computation of 3d flow in recent years. the use of new coordinate is aimed to match the landform better and improve the instance that the normal coordinate mathematic models are emanative with complicated landform sometimes
在對近年來國內外三維紊流計算的有關文獻進行了細致的分析研究基礎上，本文將三維紊流計算中常用的坐標變換加以改進，引入垂向分層系數k _ 0 ，採用= k _ 0 （ z - ） d的變換方法，以期更好地與實際地形相匹配，改善常見坐標變換數學模型在地形復雜地區容易發散的問題，並給出了k _ 0的確定方法。 -
Then a concise and convenient fuzzy control lookup table is obtained off - line through fuzzy logic inference combined with complex mathematic computation
然後利用模糊邏輯推理的方法，結合大量的數學運算，離線計算出了簡潔方便的模糊控制查詢表。
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