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MULTI3D: A Domain-Decomposed 3D Radiative Transfer Code

机译:multi3d:域分解的3D辐射传输代码

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We present MULTI3D, a 3D radiative transfer code currently under development. It is optimized for computing NLTE problems based on (radiation-)MHD models of stellar atmospheres. MULTI3D is based on MULTI and includes most of the physics present in that code. MULTI3D was first written as a serial code by Botnen (1997) and has recently been upgraded to an MPI-parallelized, domain-decomposed version. The code has so far successfully been run on up to 64 processors, solving the NLTE radiative transfer for a six-level Ca II atom with 400 frequency points in an atmosphere of 256 x 128 x 108 grid points.
机译:我们呈现Multi3d,一种目前正在开发的3D辐射转移代码。它针对基于(辐射)MHD模型的恒星气氛的MHD模型进行了优化。 Multi3d基于多个,包括该代码中存在的大多数物理。 Multi3d由Botnen(1997)作为序列代码写入,最近已升级到MPIParpase化,域分解版本。代码已经到目前为止成功运行最多64个处理器,解决了六级CA II原子的NLTE辐射传输,在256 x 128 x 108的气氛中与400个频率点。

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