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Computational mesh modification

  • Change mesh set up in the following way

     

  • Modify file system/blockMeshDict.m4:

     

 

// Hub radius
define(r, 0.2)

// Impeller-tip radius
define(rb, 0.5)

// Baffle-tip radius
define(Rb, 0.7)

// Tank radius
define(R, 1)

// MRF region radius
define(ri, calc(0.5*(rb + Rb)))

// Thickness of 2D slab
define(z, 3.0)

// Base z
define(Zb, 0)

// Top z
define(Zt, calc(Zb + z))

// Number of cells radially between hub and impeller tip
define(Nr, 6)

// Number of cells radially in each of the two regions between
// impeller and baffle tips
define(Ni, 2)

// Number of cells radially between baffle tip and tank
define(NR, 6)

// Number of cells azimuthally in each of the 8 blocks
define(Na, 4)

// Number of cells in the thickness of the slab
define(Nz, 10)

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

 

  • Build the mesh:

    # ./makeMesh