Revision 94cd779e7d1352a014fc3ca4c98eeb0a439a2e09 authored by Eh Tan on 14 September 2007, 23:39:59 UTC, committed by Eh Tan on 14 September 2007, 23:39:59 UTC
1 parent fedce4a
SInlet.cc
// -*- C++ -*-
//
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
//<LicenseText>
//
// CitcomS.py by Eh Tan, Eun-seo Choi, and Pururav Thoutireddy.
// Copyright (C) 2002-2005, California Institute of Technology.
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
//</LicenseText>
//
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
#include "config.h"
#include "journal/diagnostics.h"
#include "global_defs.h"
#include "Boundary.h"
#include "Convertor.h"
#include "Exchanger/Sink.h"
#include "SInlet.h"
extern "C" {
#include "element_definitions.h"
void check_bc_consistency(const All_variables *E);
void construct_id(const All_variables *E);
}
using Exchanger::Array2D;
using Exchanger::DIM;
using Exchanger::STRESS_DIM;
using Exchanger::Sink;
const unsigned vbcFlag[] = {VBX, VBY, VBZ};
const unsigned sbcFlag[] = {SBX, SBY, SBZ};
SInlet::SInlet(const Boundary& boundary,
const Sink& sink,
All_variables* e) :
Inlet(boundary, sink),
E(e),
s(sink.size()),
s_old(sink.size())
{
journal::debug_t debug("CitcomS-Exchanger");
debug << journal::at(__HERE__) << journal::endl;
//setSBCFlag();
}
SInlet::~SInlet()
{}
void SInlet::recv()
{
journal::debug_t debug("CitcomS-Exchanger");
debug << journal::at(__HERE__) << journal::endl;
// store bc from previous timestep
s.swap(s_old);
sink.recv(s);
Exchanger::Convertor& convertor = Convertor::instance();
convertor.xstress(s, sink.getX());
s.print("CitcomS-SInlet-S");
}
void SInlet::impose()
{
journal::debug_t debug("CitcomS-Exchanger");
debug << journal::at(__HERE__) << journal::endl;
imposeS();
}
// private functions
void SInlet::setSBCFlag()
{
// BC: normal velocity and shear traction
const Boundary& boundary = dynamic_cast<const Boundary&>(mesh);
const int m = 1;
for(int i=0; i<boundary.size(); i++) {
int n = boundary.nodeID(i);
for(int d=0; d<DIM; ++d) {
#if 0
if(boundary.normal(d,i)) {
E->node[m][n] = E->node[m][n] | vbcFlag[d];
E->node[m][n] = E->node[m][n] & (~sbcFlag[d]);
}
else {
E->node[m][n] = E->node[m][n] | sbcFlag[d];
E->node[m][n] = E->node[m][n] & (~vbcFlag[d]);
}
#endif
E->node[m][n] = E->node[m][n] | sbcFlag[d];
E->node[m][n] = E->node[m][n] & (~vbcFlag[d]);
}
}
// reconstruct ID array to reflect changes in VBC
construct_id(E);
}
void SInlet::imposeS()
{
const int sidelow[3] = {SIDE_NORTH, SIDE_WEST, SIDE_BOTTOM};
const int sidehigh[3] = {SIDE_SOUTH, SIDE_EAST, SIDE_TOP};
const Boundary& boundary = dynamic_cast<const Boundary&>(mesh);
double N1, N2;
getTimeFactors(N1, N2);
const int m = 1;
for(int i=0; i<sink.size(); i++) {
int j = sink.meshNode(i);
int n = boundary.nodeID(j);
int q = E->sbc.node[m][n];
if(E->node[m][n] & (SBX | SBY | SBZ))
for(int d=0; d<DIM; d++) {
int p;
if(boundary.normal(d,j) == -1)
p = sidelow[d];
else if(boundary.normal(d,j) == 1)
p = sidehigh[d];
else
continue;
// if( side == SIDE_TOP && E->parallel.me_loc[3]==E->parallel.nprocz-1 && (el%E->lmesh.elz==0)) {
for(int k=0; k<DIM; k++) {
E->sbc.SB[m][p][k+1][q] =
boundary.normal(d,j) *
( N1 * side_tractions(s_old, i, d, k) +
N2 * side_tractions(s, i, d, k) );
}
}
}
}
double SInlet::side_tractions(const Array2D<double,STRESS_DIM>& stress,
int node, int normal_dir, int dim) const
{
const int stress_index[3][3] =
{ {0, 3, 4},
{3, 1, 5},
{4, 5, 2} };
return stress[ stress_index[normal_dir][dim] ][node];
}
// version
// $Id$
// End of file
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