implicit solution 中文意思是什麼

implicit solution 解釋
隱含解
  • implicit : adj. 1. 含蓄的,不講明的。2. 內含的,隱含的 (opp. explicit)。3. 絕對的,盲目的。adv. -ly
  • solution : n. 1. 溶解;溶液,溶體,溶劑。2. (補輪胎用的)橡膠水;〈美國〉藥水。3. 解決,解答 (of; for; to); 解釋;(數學等的)解法,解式。4. 免除,解除。5. 【醫學】消散,消退。
  1. The method proposed in this thesis do well in solving the problems of multi - damping - ratio - spectra simulation. it is convenient to obtain the pareto optimal solution set of the multi - object question by using implicit parallel genetic algorithms and the method can meet the practical needs for simulating ground motions coinciding with multi - damping - ratio - spectra in seismic design. the crossing rate and variance rate are important parameters of genetic algorithms which affect the rate of convergence, the adapting rate of cross and variation in this paper can auto - adapt and according to stand or fall of current sample, it assures the sample approach to the pareto optimal solution set in fast convergent speed

    較好地解決多阻尼比反應譜擬合問題;本文方法通過一次運行就能獲得一組具有集系特性的地震動,在擬合多阻尼比反應譜的人造地震波集系的模擬方面有傳統方法所不能比擬的優勢,產生的人造波或人造波集系可滿足工程抗震設計需要;在遺傳演算法中,交叉概率和變異概率是影響收斂速度的重要參數,本文採用的改進自適應交叉概率和變異概率,可以根據當前樣本的好壞程度來自動地選擇適當的交叉概率和變異概率,以保證演算法始終以較好的速度向pareto最優解集逼近。
  2. An implicit iterative method for l - generalized solution of linear ill - posed equations

    廣義解的隱式迭代法
  3. In this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes

    本文將水質預測及水污染控制措施有機地結合,選取水環境容量和污染指數作為水污染控制的參數.這樣,一維對流-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進,因為其採用四點隱格式對水質進行預測,推求可接納污染物的環境容量值及為保證水質而限定的污染物濃度值,從而制定相應的水污染控制措施.為整體考慮各種污染物的情況,建議採用河流的污染指數進而推求綜合污染指數.總之,本研究為水質保護提供了科學的計算方法,該法對水污染控制及污水對河道水質的影響是實用有效的
  4. Abstract : in this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes

    文摘:本文將水質預測及水污染控制措施有機地結合,選取水環境容量和污染指數作為水污染控制的參數.這樣,一維對流-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進,因為其採用四點隱格式對水質進行預測,推求可接納污染物的環境容量值及為保證水質而限定的污染物濃度值,從而制定相應的水污染控制措施.為整體考慮各種污染物的情況,建議採用河流的污染指數進而推求綜合污染指數.總之,本研究為水質保護提供了科學的計算方法,該法對水污染控制及污水對河道水質的影響是實用有效的
  5. The simple method is used for the pressure coupling, and the strong implicit procedure ( sip ) is adopted for solution of the discretized equations

    基於上述方法,採用c + +程序設計語言,研究和開發了一個船舶操縱粘性流求解器( vsman ) 。
  6. Based on the saint - venant equations describing the channel flow movement, the nonlinear algebraic equations derived by the use of preissmann weighted implicit four - point scheme are solved with the netwon - raphson method, which raises the accurate of the numerical solution, and the convergence of the numerical solution is discussed, 2

    用newton方法直接求解按preissmann加權四點格式離散擴展形式的saint - venant方程組所得的非線性代數方程組,提高了數值解的精確性,並對數值解的收斂性進行了討論。
  7. A mathematic model for cooling water discharge to forked bays is established by using the boundary fitted orthogonal coordinate system to simulate the complex boundaries, the full implicit coupled solution model to discrete the base equations, and the matrix chase - after method to solve the algebraic equations

    摘要採用正交邊界擬合坐標變換模擬復雜的邊界,全隱式耦合模型離散基本方程,矩陣追趕法求解代數方程組,建立了分叉型海灣溫水排放數學模型。
  8. A permutated implicit enumeration for the linear 0 - 1 programming model is proposed according to the generic model in this thesis, which utilizes the relationship between the objective functions, permutes the constrained solutions so as to search the optimum solution in the aggregate of minimums and accelerate the convergence speed

    針對多機場的非實時流量管理的模型,提出了基於排序的隱枚舉法,它利用目標函數值大小的相對關系,對約束條件解進行排序,在最小解集中尋找最優解,以加快收斂速度。
  9. Applied the precise integration method to solve stiff equations and nonlinear equations, and improved the method from explicit and implicit aspects. it found that the exact solution of some differential equations may be obtained, and always stable absolutely

    將之應用於剛性方程及非線性方程的求解中,並對非線性方程的求解從顯式和隱式兩個方面給出了改進措施,得出:使用精細積分法可以給出某些微分方程的精確解,且絕對穩定。
  10. With the method of the lie group transformation, the symmetry of the equation governing one dimensional finite strain consolidation is discussed and, from the point of the symmetry, the feasibility to obtain the analytical solution of these nonlinear partial differential equations is discussed. where - after exact or approximate analytical solutions focused on different consolidation problems are obtained, these including : under some assumptions of relations of the void ratio with coefficient of permeability and effective stress, the method of lie group transformation is applied to solve the non - linear partial differential equation of large strain consolidation of homogenous saturated clay soil in semi - infinite domain with the consideration of the material and geometrical nonlinearity during consolidation procession. the implicit exact solution without considering the effect of self - weight of soil is obtained

    運用lie群變換方法討論了一維大應變非線性固結方程的對稱性,以及在該對稱性的意義下求解這類非線性偏微分方程解析解答的可能性,並就大應變非線性固結問題的多種情況求得了其完整的或者近似的解析解答,具體包括:基於有效應力與孔隙比以及滲透系數與孔隙比之間的關系的一些假定,採用李群變換求解考慮材料非線性和幾何非線性的半無限均質土體大變形固結非線性偏微分方程,得到了一個不考慮自重固結的完全解析解。
  11. Firstly, a 1 - d flow numerical model based on the preissmann scheme, a 1 - d rivernet flow numerical model based on the direct solution method and a 2 - d tidal model based on the implicit scheme of finite difference method are programmed

    本文首先建立了基於preissmann演算法的一維水流模型、基於直接解法的平原河網模型和基於有限節點法的平面二維水力模型,在對各模型的演算法進行推導的基礎上自行開發了計算程序。
  12. Our researches in this paper give the solution to the problems above. and we successfully finish the aerodynamic optimization. the advances achieved in this paper are as follows : solving the euler equation with lu - sgs implicit algorithm on unstructured grids, mesh reordering will bring on imbalance

    本文在研究過程中,對上述問題提出了相應的解決方法,並研製了相應的計算程序,使得結合模擬退火演算法與正交分解的優化設計過程獲得了成功。
  13. In order to accelerate the convergence speed, we employ the local time step, and implicit residual smoothing methods. finally, we use this method to get the steady solution of the flow around naca0012 and naca4412 airfoil at very low speed and some basic unsteady solution

    本文對在低馬赫數下繞naca0012翼型和naca4412翼型的定常流場進行了求解,結果和實驗基本吻合,並對非定常運動情況進行了初步模擬研究,得出了一些有意義的結果。
  14. This result have unified the traditional explicit graph searching and implicit graph search, partial searching for one solution and complete searching for all solutions into a same model and some algorithms

    這一結果將傳統的顯式圖搜索與隱式圖搜索,求一個解的局部搜索與求全體解的遍歷搜索,全部統一到同一個模型和若干演算法中去。
  15. According to the theory of equivalent time, creep as a function of equivalent time is expressed. by fitting experimental data, parameters of creep in equivalent time field are obtained ; initial strain implicit solution of elastic creep equation in equivalent time field is derived

    根據等效時間理論,將徐變表示為等效時間的函數,通過擬合試驗數據,得出等效時間域彈性模量和徐變度公式的計算參數,推導了等效時間域的彈性徐變方程的初應變隱式解法。
  16. An extended hyperbolic mild - slope equation, which can take such terms as wind input, bottom friction and nonlinearity of wave into account, here has been deduced into a parabolic one in the form of a series of governing equations described with complex amplitude. it became a complete wave model when integrated with corresponding physical and imaginary ( open ) boundaries, and can be solved through the improved crank - nicholson or the well known alternating direction implicit ( adi ) difference method, both of which can accelerate the convergent speed, expand limitation of the mathematical method and improve the quality of the solution

    本文基於綜合考慮底摩阻、風能輸入及非線性影響的推廣雙曲型緩坡方程,將其進行轉換,產生一個演變方程,其復振幅控制方程為拋物線性,並採用adi差分格式、改進的crank - nicholson格式及相應的物理和虛擬(開)邊界條件進行求解,以提高數值模擬的適用性、數值計算的穩定性、收斂速度及精度。
  17. Based on the fundamental theory of dynamics of soil moisture and the condition of water storage pit irrigation, numerical modeling of soil moisture movement of single water storage pit in heterogeneous soil is established. adi ( alternating direction implicit method ) and gauess - seidel iterative method are used to solve it. by using the simulated value of modeling, the relation of water injection volume and maximum horizental distance of moisture frontal are concluded. according to the relation, interval of pits are derived. then, after analyzing the infiltration characteristic of soil moisture under the condition of interference infiltration in multi storage pit, numerical modeling of soil moisture movement of multi water storage pit in heterogeneous soil is established, and its numerical solution is also acquired

    利用adi (交替方向隱式差分法)結合gauess ? seidel迭代法對模型進行數值求解。利用模型的計算結果得出了單坑注水量與濕潤鋒最大水平推進距離之間的關系,並據此確定了坑距。在此基礎上,通過對多坑干擾入滲條件下土壤水分入滲特性進行分析,太原理工大學碩士研究生學位論文建立了蓄水多坑非均質土壤水分運動數學模型,並對其進行數值求解。
  18. On the basis of functional of the unstable 3d temperature field, the spatial and temporal sepration of the fem implicit solution are studied, and the control equation of the fem calculation is derivated

    在不穩定溫度場泛函基礎上,研究了不穩定溫度場隱式有限元計算方法空間離散和時間離散過程,得到相應控制方程。
  19. In the parallel computation, there are two strategies, namely sbs and ebe ; for the nonlinear problem solution, there are direct and iterative algorithms, but for dynamic analysis there are explicit and implicit integration, and high precision direct integration

    有限元并行計算有sbs 、 ebe兩種策略,非線性求解有直接與迭代解法,動力時程分析有顯式、隱式和精細時程積分法。
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