期刊
PHYSICS OF THE EARTH AND PLANETARY INTERIORS
卷 163, 期 1-4, 页码 69-82出版社
ELSEVIER
DOI: 10.1016/j.pepi.2007.06.009
关键词
mantle convection; viscoelasticity; plasticity; finite element; multigrid; particle-in-cell; parallel computing; object-oriented methods
We outline a mathematical formulation for mantle convection which can deal with the viscoelastic-plastic rheology of the cool parts of the lithosphere. This formulation is then analyzed to expose the numerical challenges inherent in the equations and a suitable solution strategy is outlined. With this strategy in place, we discuss a parallel implementation, explaining how we maintain computational efficiency, in a tiered and modular software environment. We show two examples from geodynamics which demonstrate the capability of the numerical method and its implementation. (c) 2007 Elsevier B.V. All rights reserved.
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