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您现在的位置是:虫虫源码 > 其他 > 磁场和粒子可压缩流体流动的高阶有限差分法

磁场和粒子可压缩流体流动的高阶有限差分法

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The Pencil Code is primarily designed to deal with weakly compressible turbulent flows, which is why we use high-order first and second derivatives. To achieve good parallelization, we use explicit (as opposed to compact) finite differences. Typical scientific targets include driven MHD turbulence in a periodic box, convection in a slab with non-periodic upper and lower boundaries, a convective star embedded in a fully nonperiodic box, accretion disc turbulence in the shearing sheet approximation, self-gravity, non-local radiation transfer, dust particle evolution with feedback on the gas, etc. A range of artificial viscosity and diffusion schemes can be invoked to deal with supersonic flows. For direct simulations regular viscosity and diffusion is being used. The code is written in well-commented Fortran90. For a more detailed description and a full introduction see the manual.pdf file (see under links on the left). Remember to sign up for the Pencil Code U

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