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|
/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: 4.x |
| \\ / A nd | Web: www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
`format' ascii;
class dictionary;
object blockMeshDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// General m4 macros
changecom(//)changequote([,]) dnl>
define(calc, [esyscmd(perl -e 'use Math::Trig; print ($1)')]) dnl>
define(VCOUNT, 0)
define(vlabel, [[// ]Vertex $1 = VCOUNT define($1, VCOUNT)define([VCOUNT], incr(VCOUNT))])
define(hex2D, hex (b$1 b$2 b$3 b$4 f$1 f$2 f$3 f$4))
define(quad2D, (b$1 b$2 f$2 f$1))
define(frontQuad, (f$1 f$2 f$3 f$4))
define(backQuad, (b$1 b$4 b$3 b$2))
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// User-defined parameters
convertToMeters 1;
define(l, 1.0) // Length of tank (x-direction)
define(b, 40) // Breadth of tank (y-direction)
define(h, 30) // Depth of tank (z-direction)
define(hlc, 5) // Depth to the top (height) of lower chamfer
define(huc, 10) // Height of upper chamfer
define(thetalc, 45) // Angle of lower chamfer to the horizontal
define(thetauc, 45) // Angle of upper chamfer to the horizontal
define(CofGy, calc(b/2.0)) // Centre of gravity in y-direction
define(CofGz, 10.0) // Centre of gravity in z-direction
define(Nl, 1) // Number of cells in the length (1 for 2D)
define(Nb, 40) // Number of cells in the breadth
define(Nhlc, 6) // Number of cells in the height of the lower champfer
define(Nh, 16) // Number of cells in the height between the chamfers
define(Nhuc, 12) // Number of cells in the height of the upper champfer
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// Derived parameters
define(blc, calc(hlc/tan(deg2rad(thetalc)))) // Breadth to the top (height) of lower chamfer
define(buc, calc(huc/tan(deg2rad(thetauc)))) // Breadth of upper chamfer
define(Yl, -CofGy)
define(Yllc, calc(Yl + blc))
define(Yluc, calc(Yl + buc))
define(Yr, calc(Yl + b))
define(Yrlc, calc(Yr - blc))
define(Yruc, calc(Yr - buc))
define(Zb, -CofGz)
define(Zlc, calc(Zb + hlc))
define(Zt, calc(Zb + h))
define(Zuc, calc(Zt - huc))
define(Xf, calc(l/2.0))
define(Xb, calc(Xf - l))
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// Parametric description
vertices
(
(Xb Yllc Zb) vlabel(bllcb)
(Xb Yl Zlc) vlabel(bllc)
(Xb Yl Zuc) vlabel(bluc)
(Xb Yluc Zt) vlabel(bluct)
(Xb Yrlc Zb) vlabel(brlcb)
(Xb Yr Zlc) vlabel(brlc)
(Xb Yr Zuc) vlabel(bruc)
(Xb Yruc Zt) vlabel(bruct)
(Xf Yllc Zb) vlabel(fllcb)
(Xf Yl Zlc) vlabel(fllc)
(Xf Yl Zuc) vlabel(fluc)
(Xf Yluc Zt) vlabel(fluct)
(Xf Yrlc Zb) vlabel(frlcb)
(Xf Yr Zlc) vlabel(frlc)
(Xf Yr Zuc) vlabel(fruc)
(Xf Yruc Zt) vlabel(fruct)
);
blocks
(
// block0
hex2D(llcb, rlcb, rlc, llc)
(Nb Nhlc Nl)
simpleGrading (1 1 1)
// block1
hex2D(llc, rlc, ruc, luc)
(Nb Nh Nl)
simpleGrading (1 1 1)
// block2
hex2D(luc, ruc, ruct, luct)
(Nb Nhuc Nl)
simpleGrading (1 1 1)
);
patches
(
patch walls
(
quad2D(llcb, rlcb)
quad2D(rlcb, rlc)
quad2D(rlc, ruc)
quad2D(ruc, ruct)
quad2D(ruct, luct)
quad2D(luct, luc)
quad2D(luc, llc)
quad2D(llc, llcb)
)
empty front
(
frontQuad(llcb, rlcb, rlc, llc)
frontQuad(llc, rlc, ruc, luc)
frontQuad(luc, ruc, ruct, luct)
)
empty back
(
backQuad(llcb, rlcb, rlc, llc)
backQuad(llc, rlc, ruc, luc)
backQuad(luc, ruc, ruct, luct)
)
);
// ************************************************************************* //
|
