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Mathematical Problems in Engineering
Volume 2016, Article ID 3240720, 12 pages
Research Article

Application of the Value Optimization Model of Key Factors Based on DSEM

College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing 210098, China

Received 14 March 2016; Accepted 7 June 2016

Academic Editor: Ivan Kyrchei

Copyright © 2016 Chao Su and Zhiming Ren. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The key factors of the damping solvent extraction method (DSEM) for the analysis of the unbounded medium are the size of bounded domain, the artificial damping ratio, and the finite element mesh density. To control the simulation accuracy and computational efficiency of the soil-structure interaction, this study establishes a value optimization model of key factors that is composed of the design variables, the objective function, and the constraint function system. Then the optimum solutions of key factors are obtained by the optimization model. According to some comparisons of the results provided by the different initial conditions, the value optimization model of key factors is feasible to govern the simulation accuracy and computational efficiency and to analyze the practical unbounded medium-structure interaction.