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Meshing of an urban area only with hexahedral mesh

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Old   November 28, 2020, 04:20
Default Meshing of an urban area only with hexahedral mesh
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Giorgos
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Hello,
I am new to ANSYS and I am trying to generate mesh for the geometry of the picture that represents an urban area with buildings. I need to generate ONLY hexahedral mesh with smalls elements close to the building and bigger away from them. I have already generated the mesh with a Tetrahedral element but when I tried to convert it to Hexahedral with methods of multizone or Hex dominant it fails or it is not generating only hex elements. Does anyone know what is the process or any other way to generate mesh into this kind of geometry with only hexahedral elements?
Thanks in advance

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hex, hexa mesh, hexahedral, mesh, urban

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