New methodology for optimal operation of soil aquifer treatment systems

Guihua Li, Zongwu Tang, Larry Mays, Peter Fox

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

A new methodology is presented in this article for computing the optimal operation of soil aquifer treatment systems. The mathematical problem is stated as a discrete-time optimal control problem to maximize infiltration subject to various physical and operation constraints. The methodology is based upon solving the discrete-time optimal control problem using a successive approximation linear quadratic regulator interfaced with a simulator. The unsaturated flow model HYDRUS is modified to simulate the water content distribution, the infiltration process, and the draining process. A penalty function method is used to treat the bound constraints on the water content and the cycle time. Sample problems are given to illustrate the capability of the model to solve the optimal operation of soil aquifer treatment systems.

Original languageEnglish (US)
Pages (from-to)13-33
Number of pages21
JournalWater Resources Management
Volume14
Issue number1
DOIs
StatePublished - 2000

Keywords

  • Infiltration
  • Optimal control
  • Soil aquifer treatment

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Water Science and Technology

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