Flow multiple directions algorithm

Dears friends,
Is there any algorithm of flow partitioning in multiple directions
using a DEM in GRASS?

Thanks in advance,
                                Sandra

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Dr. Sandra García
Hydrologist
Mantenimiento SAIH-SEGURA
Confederación Hidrográfica del Segura
Plaza Fontes, 1. Murcia (30001) -SPAIN
Phone: +34 968 358890
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