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學生 : 梁書嚴 指導教授 : 陳瑞昇 2010/12/30 1 Environmental Modelling & Software 24 (2009) 115–123.

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Presentation on theme: "學生 : 梁書嚴 指導教授 : 陳瑞昇 2010/12/30 1 Environmental Modelling & Software 24 (2009) 115–123."— Presentation transcript:

1 學生 : 梁書嚴 指導教授 : 陳瑞昇 2010/12/30 1 Environmental Modelling & Software 24 (2009) 115–123

2 2 Longitudinal dispersion Transverse dispersion T1 T2 T3 Flow

3 3 A B C D E

4 (a) test performed in the soil column to generate (b) breakthrough curve which is used in conjunction with a appropriate mathematical model (c) a parameter estimation scheme to yield (d) transport parameter of interest 4 (a)(b)(c)(d)

5 5

6 6

7 7 L r x Spilling point Porous medium

8  (Massabo’ et al., 2006) 8 ∞ r=1

9 9 GA New population Calculation fitness select Crossover & Mutation Calculation end 否 是 Fitness Calculation fitness 1: 設置採樣點 0: 不測置採樣點ㄋ

10 10 Calculation fitness GA New population Calculation fitness select Crossover & Mutation Calculation end 否 是 Fitness Parametervalue Number of strings90 Number of generations30 Cross-over probability0.9 Muation probability0.01

11  In the experimental design problems solved for the test case adopted, convergence was achieved with a population of 20 individuals that reproduced for a maximum of 21 generations. 11

12  X-axis grid is 0.25  R-axis is 0.5 dimensionless 12

13  13

14  Comparison between the three optimal experimental campaigns obtained with the three set of true. dimensionless parameter 14

15  Testifying that longitudinal dispersion results more effective in explaining the concentration profile than the radial one. 15

16  end 16


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