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Turbomachinery applications with axial blades typically require a flow-aligned, structured mesh. This type of mesh has implicit connectivity and a fixed number of vertex or face neigh bors, leading to a more accurate solution. Unlike structured meshes, unstructured meshes can contain any type of cell and no defined connectivity between the cells.
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Typically a structured mesh has a lower cell count whilst allowing for the same solution accuracy and since the connectivity is implicit the solver is much more efficient.
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The operation supports axial blade geometries, which can include a tip clearance near the hub or shroud that is, a gap between the blade tip and the hub or the shroud. If present, the tip gap clearance can be eitherconstant or variable.
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The Turbomachinery Mesh operation generates a flow-aligned hexahedral mesh using a method based on elliptical partial difference equations. This operation is only for serial execution.
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The Turbomachinery Mesh operation requires you to set several parameters that define the mesh distribution along the blade profile and along the spanwise and pitchwise directions:
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