期刊
ADVANCES IN WATER RESOURCES
卷 33, 期 8, 页码 899-904出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.advwatres.2010.04.015
关键词
Hydrogeology; Groundwater flow; Inverse problem; Interface identification; Parameter identification; Reciprocity principle; Reciprocity gap principle
资金
- HydroMed project [M09/04]
We introduce the reciprocity and reciprocity gap principles for flow problems in hydrogeology and illustrate their interest in addressing identification problems The reciprocity principle is derived from mechanics and establishes for flow problems a relationship between different sets of forcing terms, including sources, sinks and boundary conditions, and the resulting head fields The reciprocity gap principle compares different head fields resulting from the same forcing terms applied to different structures. We give general 2D expressions of the reciprocity and reciprocity gap principles for transient flow problems and give two examples of applications for the identification of transmissivity values and interfaces between different transmissivities Identification capacities of the reciprocity and reciprocity gap principles yielding direct inversion methods could be used as initial guesses for more advanced inverse problem methodologies (C) 2010 Elsevier Ltd All rights reserved
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