Page Menu
Home
c4science
Search
Configure Global Search
Log In
Files
F88359275
lb_bonds_network.cpp
No One
Temporary
Actions
Download File
Edit File
Delete File
View Transforms
Subscribe
Mute Notifications
Award Token
Subscribers
None
File Metadata
Details
File Info
Storage
Attached
Created
Fri, Oct 18, 09:28
Size
5 KB
Mime Type
text/x-c
Expires
Sun, Oct 20, 09:28 (1 d, 22 h)
Engine
blob
Format
Raw Data
Handle
21759455
Attached To
rDLMA Diffusion limited mixed aggregation
lb_bonds_network.cpp
View Options
#include <post.h>
namespace post_p
{
void postprocessing::dump_LB_bonds_for_network(char *filename)
{
determine_LB_bonds_network(filename);
}
void postprocessing::reset_unfolding_for_network()
{
unf_checkpoint = 0;
for (int i = 0; i < numParticles(); i++){
is_placed(i) = false;
attachments_placed(i) = false;
}
}
void postprocessing::set_lbb_params_for_network(char *filename)
{
FILE *f_network;
reset_unfolding_params();
build_bond_map();
reset_bond_map(true);
f_network = fopen(filename, "w");
fprintf(f_network,"bond,bond_length\n");
fclose(f_network);
lbp_tolerance = 1e-6;
}
void postprocessing::print_lbb_info_for_network(char *filename)
{
FILE *f_network;
f_network = fopen(filename, "a");
max_length = bond_lengths.maxCoeff(&max_row);
if (max_length > lbp_tolerance){
switch_off_bonds({index_to_particles[unique_bonds[max_row].first], index_to_particles[unique_bonds[max_row].second]});
fprintf(f_network, "%d-%d,%lf\n",index_to_particles[unique_bonds[max_row].first],index_to_particles[unique_bonds[max_row].second],max_length);
n_lbb++;
}
fclose(f_network);
}
void postprocessing::build_A_for_network_cluster()
{
int i,j;
for (int index = 0; index < num_bonds_for_cluster; index++){
i = unique_bonds[index].first;
j = unique_bonds[index].second;
tripleList.push_back(Eigen::Triplet<double>(i,j,1));
tripleList.push_back(Eigen::Triplet<double>(j,i,1));
tripleList.push_back(Eigen::Triplet<double>(i,i,-1));
tripleList.push_back(Eigen::Triplet<double>(j,j,-1));
}
A.setFromTriplets(tripleList.begin(), tripleList.end());
tripleList.clear();
}
void postprocessing::build_b_for_network_cluster()
{
for (int i = 0; i < num_particles_for_cluster; i++)
{
b(i) = current_seed(index_to_particles[i]);
}
}
bool postprocessing::check_sink_and_source()
{
bool sink = false;
bool source = false;
for (int i = 0; i < num_particles_for_cluster; i++){
if (current_seed(index_to_particles[i]) == 1)
sink = true;
if (current_seed(index_to_particles[i]) == -1)
source = true;
}
if (sink && source)
return true;
else
return false;
}
void postprocessing::fix_A_for_network_cluster()
{
int i, j;
for (int i = 0; i < num_particles_for_cluster; i++){
if (current_seed(index_to_particles[i]) != 0)
A.coeffRef(i,i) -= 1;
}
//A.setFromTriplets(tripleList.begin(), tripleList.end());
//tripleList.clear();
}
void postprocessing::init_lbb_cluster_matrices_for_network_cluster()
{
nnz = (2 * num_bonds_for_cluster) + num_particles_for_cluster;
A.reserve(nnz);
A.resize(num_particles_for_cluster, num_particles_for_cluster);
b.resize(num_particles_for_cluster);
x.resize(num_particles_for_cluster);
bond_lengths.resize(num_bonds_for_cluster);
A.setZero();
b.setZero();
x.setZero();
bond_lengths.setZero();
build_A_for_network_cluster();
build_b_for_network_cluster();
fix_A_for_network_cluster();
double temp;
/*for (int i = 0; i < num_particles_for_cluster; i++){
for (int j = 0; j < num_particles_for_cluster; j++){
std::cout<<A.coeff(i,j)<<"\t";
}
std::cout<<"\n";
}*/
//for (int i = 0; i < num_particles_for_cluster; i++)
//std::cout<<b.coeff(i)<<"\n";
//std::cout<<num_particles_for_cluster<<std::endl;
//std::cout<<num_bonds_for_cluster<<std::endl;
}
void postprocessing::calculate_bond_lengths_for_network_cluster()
{
int i, j;
for (int index = 0; index < num_bonds_for_cluster; index++){
i = unique_bonds[index].first;
j = unique_bonds[index].second;
bond_lengths[index] = (x(i) - x(j)) * (x(i) - x(j));
}
}
void postprocessing::determine_LB_bonds_network(char *filename)
{
set_lbb_params_for_network(filename);
to_build_list.resize(numParticles());
calc_total_bonds();
unique_bonds.resize(total_num_bonds);
totalClusters_ = 0;
while (!check_if_particles_placed()) {
init_lbb_unfolding_without_recursion();
//std::cout<<"num particles = "<<num_particles_for_cluster<<"\t num_bonds = "<<num_bonds_for_cluster<<"\n";
if (check_sink_and_source()) {
init_lbb_cluster_matrices_for_network_cluster();
do {
if (!A.isCompressed()){
A.makeCompressed();
}
solver.analyzePattern(A);
solver.factorize(A);
x = solver.solve(b);
calculate_bond_lengths_for_network_cluster();
print_lbb_info_for_network(filename);
if (max_length > lbp_tolerance){
reset_unfolding_for_network();
break;
}
} while(max_length > lbp_tolerance);
}
}
}
}
Event Timeline
Log In to Comment