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| Content Provider | Tech Science Press |
|---|---|
| Author | Jiang, Hengyi Jia, Xianzheng Li, Gongsheng Yao, De |
| Abstract | This paper deals with an inverse problem of determining a time-depen -dent reaction coefficient arising from a disturbed soil-column infiltrating experiment based on measured breakthrough data. A purpose of doing such experiment is to simulate and study transport behaviors of contaminants when they vertically penetrating through the soils. Data compatibility of the inverse problem is discussed showing a sufficient condition to the solution's monotonicity and positivity with the help of an adjoint problem. Furthermore, an optimal perturbation regularization algorithm is applied to solve the inverse problem, and two typical numerical examples are presented to support the inversion algorithm. Finally, transport model of a positive solute ion in the soil-column is investigated based on the researches to the inverse problem. An optimal reaction coefficient is determined by the inversion algorithm, and the inversion is of numerical uniqueness. The inversion results not only coincide with data compatibility of the inverse problem, but also agree with the real breakthrough data. |
| Related Links | https://www.techscience.com/CMES/v74n2/25677 |
| Starting Page | 83 |
| Ending Page | 108 |
| ISSN | 15261492 |
| DOI | 10.3970/cmes.2011.074.083 |
| Issue Number | 2 |
| Journal | Computer Modeling in Engineering & Sciences (CMES) |
| Volume Number | 74 |
| e-ISSN | 15261506 |
| Language | English |
| Access Restriction | Open |
| Subject Keyword | advection-dispersion equation determination of time-dependent reaction coefficient soil-column experiment inverse problem solute transport optimal perturbation regularization algorithm numerical uniqueness. numerical inversion |
| Content Type | Text |
| Resource Type | Article |
| Subject | Computer Science Applications |
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