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manual_restart.cc
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Wed, Dec 11, 21:09

manual_restart.cc
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/**
* @file manual_restart.cc
*
*
*
* @brief
*
* @section LICENSE
*
* Copyright (©) 2010-2012, 2014 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
*/
/**
* @file manual_restart.cc
* @author Dana Christen <dana.christen@epfl.ch>
* @date May 15, 2013
*/
/* -------------------------------------------------------------------------- */
#include "manual_restart.hh"
//#include <iostream>
#include <fstream>
using namespace akantu;
void dumpArray(const Array<Real> & array, const std::string & fname) {
std::ofstream outFile;
outFile.open(fname.c_str());
outFile.precision(9);
outFile.setf(std::ios::scientific);
UInt size = array.getSize();
UInt nb_component = array.getNbComponent();
outFile << size << std::endl;
outFile << nb_component << std::endl;
Array<Real>::const_iterator< Vector<Real> > tit = array.begin(nb_component);
Array<Real>::const_iterator< Vector<Real> > tend = array.end(nb_component);
for(; tit != tend; ++tit) {
for (UInt c=0; c<nb_component; ++c) {
if (c != 0)
outFile << " ";
outFile << (*tit)(c);
}
outFile << std::endl;
}
outFile.close();
}
void loadArray(Array<Real> & array, const std::string & fname) {
std::ifstream inFile;
inFile.open(fname.c_str());
inFile.precision(9);
inFile.setf(std::ios::scientific);
UInt size(0), nb_comp(0);
inFile >> size;
inFile >> nb_comp;
AKANTU_DEBUG_ASSERT(array.getNbComponent() == nb_comp, "BAD NUM OF COMPONENTS");
AKANTU_DEBUG_ASSERT(array.getSize() == size, "loadArray: number of data points in file ("
<< size << ") does not correspond to array size (" << array.getSize()
<< ")!!");
Array<Real>::iterator< Vector<Real> > tit = array.begin(nb_comp);
Array<Real>::iterator< Vector<Real> > tend = array.end(nb_comp);
array.resize(size);
for(UInt i(0); i < size; ++i, ++tit) {
for (UInt c=0; c < nb_comp; ++c) {
inFile >> (*tit)(c);
}
}
inFile.close();
}
/* -------------------------------------------------------------------------- */
void loadRestart(akantu::SolidMechanicsModel & model,
const std::string & fname,
akantu::UInt prank) {
const akantu::Mesh & mesh = model.getMesh();
const akantu::UInt spatial_dimension = model.getMesh().getSpatialDimension();
const_cast<DOFSynchronizer &>(model.getDOFSynchronizer()).initScatterGatherCommunicationScheme();
if(prank == 0) {
akantu::Array<akantu::Real> full_reload_array(mesh.getNbGlobalNodes(),
spatial_dimension);
loadArray(full_reload_array, fname);
model.getDOFSynchronizer().scatter(model.getDisplacement(), 0, &full_reload_array);
} else {
model.getDOFSynchronizer().scatter(model.getDisplacement(), 0);
}
}
/* -------------------------------------------------------------------------- */
void loadRestart(akantu::SolidMechanicsModel & model,
const std::string & fname) {
loadArray(model.getDisplacement(), fname);
}
/* -------------------------------------------------------------------------- */
void dumpRestart(akantu::SolidMechanicsModel & model,
const std::string & fname,
akantu::UInt prank) {
const akantu::Mesh & mesh = model.getMesh();
const akantu::UInt spatial_dimension = model.getMesh().getSpatialDimension();
const_cast<DOFSynchronizer &>(model.getDOFSynchronizer()).initScatterGatherCommunicationScheme();
if(prank == 0) {
akantu::Array<akantu::Real> full_array(mesh.getNbGlobalNodes(),
spatial_dimension);
model.getDOFSynchronizer().gather(model.getDisplacement(), 0, &full_array);
dumpArray(full_array, fname);
} else {
model.getDOFSynchronizer().gather(model.getDisplacement(), 0);
}
}
/* -------------------------------------------------------------------------- */
void dumpRestart(akantu::SolidMechanicsModel & model,
const std::string & fname) {
dumpArray(model.getDisplacement(), fname);
}

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