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Application and Implementation of Visual Groundwater Mathematical Model

Author: HanYiLong
Tutor: DanYongMing
School: Shanxi University
Course: Computer Software and Theory
Keywords: Groundwater Numerical Simulation Visualization Simulated Annealing
CLC: O242.1
Type: Master's thesis
Year: 2011
Downloads: 29
Quote: 1
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Abstract


Groundwater natural resources are indispensable in our lives. With the rapid development of modern industry and agriculture, human rational development and effective use of groundwater resources, and gradually became the focus of attention of academia. We mainly use the numerical simulation method for quantitative research. It uses the discretization thought, about to be the study aquifer region Discrete divided into several sub-regions to solve the mathematical model. Final approximation with the numerical solution of practical solutions, predictive analysis on the groundwater level. The numerical simulation method of use of the process, along with a large number of input and output data. This requires a simulation platform to organize the process, therefore, numerical simulation visualization software applications. The difficult problems of groundwater flow numerical simulation carried out in-depth research, development and application of a groundwater simulation system based on windows operating system. The software in a two-dimensional model, to provide users with the visualization of the operating and display. Professional geological mapping, it provides a powerful visual interface. Using numerical simulation method to model the true reflection of the real world, the flow of groundwater flow, and create a precedent of our visualization of geological simulation software. Specific work as follows: (1) describes the evaluation of groundwater resources in the mathematical model of the research status at home and abroad, research direction and progress of the characteristics of the software package and modules, and discusses the numerical simulation of groundwater technology . (2) elaborated on the basic principle of non-homogeneous confined aquifer mathematical models and numerical methods. Forward algorithm for solving a heterogeneous confined aquifer model - alternating iterative implicit method. (3) Based on the traditional simulated annealing algorithm, genetic algorithm, an improved simulated annealing genetic algorithm, which uses the idea of ??global optimization of the genetic algorithm and retention of elite individuals, solve the the precocious shortcomings of the genetic algorithm, and the entire algorithm has a good local search performance. Example, the inverse calculation of the parameters of the algorithm for the numerical model of groundwater flow in heterogeneous confined aquifer. The calculation results show that the algorithm to solve the traditional global optimization algorithm converges slowly, iterative tedious shortcomings, has the advantages of high-precision, high parallelism.

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CLC: > Mathematical sciences and chemical > Mathematics > Computational Mathematics > Mathematical modeling, approximate calculation > Mathematical modeling
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