Numerical simulation for the coupled problem of temperature and seepage fields in cold region dams

Lai Yuanming State Key lab. of Frozen Soil Engineering, Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou, 730000, P.R. China; Institute of Geotechnical Engineering, Southeast University, Nanjing, 210096, P.R. China

Liu Songyu Institute of Geotechnical Engineering, Southeast University, Nanjing, 210096, P.R. China

Wu. Ziwang State Key lab. of Frozen Soil Engineering, Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou, 730000, P.R. China

Wu Yaping State Key lab. of Frozen Soil Engineering, Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou, 730000, P.R. China

J.M. Konrad Department of Civil Engineering, Laval University Sainte-Foy, QC GIK 7P4, Canada

Abstract

In this paper, a mathematical mechanical mode! and the governing differential equations of the coupled problem ol temperature and seepage fields. with phase change, are lirst derived from the theory of heat transfer and the theory of seepage. Then the finite element formulae of this problem are obtained from (ialerkin's method. Finally, considering the seepage influence, an illustrative example of the temperature held in cold regions dam is provided. The example shows that the effect of seepage field on the temperature field of cold region dams is large. So the effect of this factor on Ihe dam temperature field should be taken into account in cold regions dam engineering design.

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Numerical simulation for the coupled problem of temperature and seepage fields in cold region dams

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Numerical simulation for the coupled problem of temperature and seepage fields in cold region dams

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