BladeGen + Turbogrid + Ansys CFX - Centrifugal Pump
Written by cfd.ninja
This is the full turbomachinery chain in three tools. BladeGen defines the blade from its meridional profile and its angle and thickness distributions. TurboGrid builds a structured hexahedral mesh around that blade, using topologies designed for blade passages instead of a general purpose mesher. CFX then solves the passage.
The advantage of the specialised route is the mesh. TurboGrid knows what a blade passage looks like, so it produces a periodic hexahedral mesh with proper near-wall resolution without the manual slicing a general mesher would demand.
In CFX the passage is solved with a rotating domain and periodic interfaces, which means you compute one sector instead of the complete impeller. The head, the efficiency and the low pressure zones where cavitation starts come out of that single passage.
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