کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
4742304 | 1641575 | 2008 | 14 صفحه PDF | دانلود رایگان |
![عکس صفحه اول مقاله: Multigrid-based simulation code for mantle convection in spherical shell using Yin–Yang grid Multigrid-based simulation code for mantle convection in spherical shell using Yin–Yang grid](/preview/png/4742304.png)
A new simulation code of mantle convection in a three-dimensional spherical shell is presented. Major innovation of the code comes from an combination of two numerical techniques, namely Yin–Yang grid and ACuTE algorithm, which we had developed for large-scale simulations of solid earth sciences. Benchmark comparisons for the steady convection for low Rayleigh numbers (Ra ) with previous calculations revealed that accurate results are successfully reproduced not only for isoviscous cases but also for the cases where the mild temperature-dependence of viscosity is included. We also demonstrated that our code can reproduce the change in convective flow patterns into the “sluggish-lid” regime with increasing the viscosity variation rηrη up to 104104.
Journal: Physics of the Earth and Planetary Interiors - Volume 171, Issues 1–4, December 2008, Pages 19–32