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https://develop.openfoam.com/Development/openfoam.git
synced 2025-11-28 03:28:01 +00:00
ENH: new PDRblockMesh mesh generation utility (issue #1216)
- While a rectilinear mesh can be created with blockMesh, not every mesh
created with blockMesh will satisfy the requirements for being a
rectilinear mesh.
This alternative to blockMesh uses a single block that is aligned
with the xy-z directions and specifications of the control points,
mesh divisions and expansion ratios. For example,
x
{
points ( -13.28 -0.10 6.0 19.19 );
nCells ( 10 12 10 );
ratios ( 0.2 1 5 );
}
y { ... }
z { ... }
With only one block, the boundary patch definition is simple and the
canonical face number is used directly. For example,
inlet
{
type patch;
faces ( 0 );
}
outlet
{
type patch;
faces ( 1 );
}
sides
{
type patch;
faces ( 2 3 );
}
...
- After a mesh is defined, it is trivial to retrieve mesh-related
information such as cell-volume, cell-centres for any i-j-k location
without an actual polyMesh.
STYLE: remove -noFunctionObjects from blockMesh
- no time loop, so function objects cannot be triggered anyhow.
This commit is contained in:
Mark Olesen
3
applications/test/PDRblockMesh/Make/files
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3
applications/test/PDRblockMesh/Make/files
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@ -0,0 +1,3 @@
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Test-PDRblockMesh.C
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EXE = $(FOAM_USER_APPBIN)/Test-PDRblockMesh
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6
applications/test/PDRblockMesh/Make/options
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6
applications/test/PDRblockMesh/Make/options
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@ -0,0 +1,6 @@
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EXE_INC = \
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-DFULLDEBUG \
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-I$(LIB_SRC)/mesh/blockMesh/lnInclude
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EXE_LIBS = \
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-lblockMesh
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224
applications/test/PDRblockMesh/Test-PDRblockMesh.C
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224
applications/test/PDRblockMesh/Test-PDRblockMesh.C
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@ -0,0 +1,224 @@
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/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright (C) 2019 OpenCFD Ltd.
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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Description
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Test accessors for PDRblock
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\*---------------------------------------------------------------------------*/
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#include "argList.H"
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#include "Time.H"
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#include "PDRblock.H"
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using namespace Foam;
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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// Main program:
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int main(int argc, char *argv[])
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{
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argList::noParallel();
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argList::noFunctionObjects();
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argList::addOption
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(
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"dict",
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"file",
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"Alternative dictionary for the PDRblockMesh description"
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);
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#include "setRootCase.H"
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#include "createTime.H"
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const word dictName("PDRblockMeshDict");
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#include "setSystemRunTimeDictionaryIO.H"
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Info<< "Reading " << dictName << nl << endl;
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IOdictionary meshDict(dictIO);
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PDRblock mesh(meshDict, true);
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// Write summary
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Info<< "----------------" << nl
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<< "Mesh Information" << nl
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<< "----------------" << nl
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<< " " << "bounds: " << mesh.bounds() << nl
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<< " " << "nPoints: " << mesh.nPoints()
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<< " " << (mesh.sizes() + labelVector::one) << nl
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<< " " << "nCells: " << mesh.nCells()
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<< " " << mesh.sizes() << nl
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<< " " << "nFaces: " << mesh.nFaces() << nl
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<< " " << "nInternalFaces: " << mesh.nInternalFaces() << nl;
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Info<< "----------------" << nl
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<< "Addressing" << nl
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<< "----------------" << nl
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<< " " << "volume: " << mesh.bounds().volume() << nl
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<< " " << "avg-vol: "<< (mesh.bounds().volume() / mesh.nCells()) << nl;
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Info<< nl << "Check sizes: " << mesh.bounds().span() << nl;
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for (direction cmpt=0; cmpt < vector::nComponents; ++cmpt)
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{
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// Three different ways of getting the same information
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// not all are equally efficient
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scalar totalWidth = 0;
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// Using location
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forAll(mesh.grid()[cmpt], i)
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{
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totalWidth += mesh.grid()[cmpt].width(i);
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}
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Info<< vector::componentNames[cmpt] << " min/max "
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<< minMax(mesh.grid()[cmpt])
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<< ' ' << mesh.grid()[cmpt].first()
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<< ' ' << mesh.grid()[cmpt].last()
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<< " " << mesh.grid()[cmpt].size() << " cells" << nl;
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// Use global (i,j,k) accessors, with mid-mesh for other directions
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const label nx = mesh.sizes().x() / (cmpt == vector::X ? 1 : 2);
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const label ny = mesh.sizes().y() / (cmpt == vector::Y ? 1 : 2);
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const label nz = mesh.sizes().z() / (cmpt == vector::Z ? 1 : 2);
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scalar totalSpan = 0;
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scalar totalDelta = 0;
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switch (cmpt)
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{
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case vector::X:
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{
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for (label i=0; i < nx; ++i)
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{
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totalSpan += mesh.span(i, ny, nz).x();
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totalDelta += mesh.dx(i);
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}
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}
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break;
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case vector::Y:
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{
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for (label j=0; j < ny; ++j)
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{
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totalSpan += mesh.span(nx, j, nz).y();
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totalDelta += mesh.dy(j);
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}
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}
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break;
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case vector::Z:
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{
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for (label k=0; k < nz; ++k)
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{
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totalSpan += mesh.span(nx, ny, k).z();
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totalDelta += mesh.dz(k);
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}
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}
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break;
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}
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Info<< " width = " << totalWidth << " delta = " << totalDelta
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<< " span = " << totalSpan << nl;
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}
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{
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const labelVector mid = mesh.sizes() / 2;
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Info<< nl << "Mid-mesh information at " << mid << nl
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<< " centre = " << mesh.C(mid) << nl
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<< " volume = " << mesh.V(mid) << nl
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<< " length = " << mesh.width(mid) << nl;
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}
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Info<< nl;
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// Fatal with FULLDEBUG
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{
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const bool throwingError = FatalError.throwExceptions();
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const label nx = mesh.sizes().x();
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const label ny = mesh.sizes().y();
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const label nz = mesh.sizes().z();
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// Here we get error in x-y-z order
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try
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{
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mesh.checkIndex(nx, ny, nz);
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}
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catch (const Foam::error& err)
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{
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Info<< nl << "Expected: Caught accesor error\n "
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<< err.message().c_str() << nl;
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}
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// No order for the error since it is called parameter-wise
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try
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{
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Info<< "centre at mesh(nx, ny, nz) = "
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<< mesh.C(mesh.sizes()) << nl;
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}
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catch (const Foam::error& err)
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{
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Info<< nl << "Expected: Caught accesor error\n "
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<< err.message().c_str() << nl;
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}
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// Sizing error
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try
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{
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mesh.checkSizes(labelVector(nx+1, ny, nz));
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}
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catch (const Foam::error& err)
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{
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Info<< nl << "Expected: Caught sizing error\n "
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<< err.message().c_str() << nl;
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}
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try
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{
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mesh.checkSizes(labelMax/4);
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}
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catch (const Foam::error& err)
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{
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Info<< nl << "Expected: Caught sizing error\n "
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<< err.message().c_str() << nl;
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}
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FatalError.throwExceptions(throwingError);
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}
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Info<< "\nEnd\n" << nl;
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return 0;
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}
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// ************************************************************************* //
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78
applications/test/PDRblockMesh/box0/system/PDRblockMeshDict
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78
applications/test/PDRblockMesh/box0/system/PDRblockMeshDict
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@ -0,0 +1,78 @@
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/*--------------------------------*- C++ -*----------------------------------*\
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| ========= | |
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| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
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| \\ / O peration | Version: v1812 |
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| \\ / A nd | Web: www.OpenFOAM.com |
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| \\/ M anipulation | |
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\*---------------------------------------------------------------------------*/
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FoamFile
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{
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version 2.0;
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format ascii;
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class dictionary;
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object PDRblockMeshDict;
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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//- Point scaling (optional)
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scale 1.0;
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x
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{
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points ( -13.28 -0.10 6.0 19.19 );
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nCells ( 10 12 10 );
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ratios ( -5.16 1 5.16 );
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}
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y
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{
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points ( -12.98 0 5.50 18.48 );
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nCells ( 10 11 10 );
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ratios ( -5.16 1 5.16 );
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}
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z
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{
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points ( 0.00 4.80 17.26 );
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nCells ( 10 10 );
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ratios ( 1 5.16 );
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}
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defaultPatch
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{
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name walls;
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type wall;
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}
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// Faces: 0=x-min, 1=x-max, 2=y-min, 3=y-max, 4=z-min, 5=z-max
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boundary
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(
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outer
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{
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type patch;
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faces ( 0 1 2 3 5 );
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}
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mergingFaces
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{
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type wall;
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faces ();
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}
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blockedFaces
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{
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type wall;
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faces ();
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}
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ground
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{
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type wall;
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faces ( 4 );
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}
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);
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// ************************************************************************* //
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51
applications/test/PDRblockMesh/box0/system/controlDict
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51
applications/test/PDRblockMesh/box0/system/controlDict
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@ -0,0 +1,51 @@
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/*--------------------------------*- C++ -*----------------------------------*\
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| ========= | |
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| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
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| \\ / O peration | Version: v1812 |
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| \\ / A nd | Web: www.OpenFOAM.com |
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| \\/ M anipulation | |
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\*---------------------------------------------------------------------------*/
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FoamFile
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{
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version 2.0;
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format ascii;
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class dictionary;
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location "system";
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object controlDict;
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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libs ("libblockMesh.so");
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application PDRblockMesh;
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startFrom startTime;
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startTime 0;
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stopAt endTime;
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endTime 0;
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deltaT 0;
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writeControl timeStep;
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writeInterval 1;
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purgeWrite 0;
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writeFormat ascii;
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writePrecision 8;
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writeCompression off;
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timeFormat general;
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timePrecision 6;
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runTimeModifiable true;
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// ************************************************************************* //
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37
applications/test/PDRblockMesh/box0/system/fvSchemes
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37
applications/test/PDRblockMesh/box0/system/fvSchemes
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@ -0,0 +1,37 @@
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/*--------------------------------*- C++ -*----------------------------------*\
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| ========= | |
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| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
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| \\ / O peration | Version: v1812 |
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| \\ / A nd | Web: www.OpenFOAM.com |
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| \\/ M anipulation | |
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\*---------------------------------------------------------------------------*/
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FoamFile
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{
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version 2.0;
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format ascii;
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class dictionary;
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location "system";
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object fvSchemes;
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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ddtSchemes
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{}
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gradSchemes
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{}
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divSchemes
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{}
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laplacianSchemes
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{}
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interpolationSchemes
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{}
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snGradSchemes
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{}
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// ************************************************************************* //
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18
applications/test/PDRblockMesh/box0/system/fvSolution
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18
applications/test/PDRblockMesh/box0/system/fvSolution
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@ -0,0 +1,18 @@
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/*--------------------------------*- C++ -*----------------------------------*\
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| ========= | |
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| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
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| \\ / O peration | Version: v1812 |
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| \\ / A nd | Web: www.OpenFOAM.com |
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| \\/ M anipulation | |
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\*---------------------------------------------------------------------------*/
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FoamFile
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{
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version 2.0;
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format ascii;
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class dictionary;
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location "system";
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object fvSolution;
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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// ************************************************************************* //
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Reference in New Issue
Block a user