int main(int argc, char *argv[])
{
//fstream in("input.txt",ios::in);
//string in="input.txt";
//string out="rst.txt";
//string cin="cellInput.txt";
string cin="MultiCells.txt";
//string win="MultiWorms.txt";
string win="particles.txt";
//string cin="circle.txt";
//string cin="sphere.txt";
//string cin="chain.txt";
//string in="inputForce.txt";
//string fin="inputChannel.txt";
//string fin="shear.txt";
string fin="Velchannel.txt";
//string fin="channel.txt";
//string fin="vonkarman.txt";
string fgeom="fgeom.txt";
string cellout="cellRst.txt";
string cellForce="cellForce.txt";
string cellVelocity="cellVelocity.txt";
string wormout="chainRst.txt";
string wormForce="chainForce.txt";
string wormVelocity="chainVelocity.txt";
string fluidout="fluidRst.txt";
string fluidForce="fluidForce.txt";
string log="Log.txt";
LB channel;
channel.readInput(fin);
channel.init();
channel.printInfor();
channel.writeGeometry(fgeom);
channel.writeLog(log);
Cell rbc;
rbc.readInput(cin);
rbc.init();
rbc.nondimension(*channel.pUnits);
//rbc.output(out);
rbc.writeLog(log);
Chain worm;
worm.readInput(win);
worm.init();
worm.nondimension(*channel.pUnits);
//rbc.output(out);
worm.writeLog(log);
worm.setCells(&rbc);
IBM cellInChanl(&channel,&rbc);
IBM wormInChanl(&channel,&worm);
worm.initLJ();
int nSave =channel.ntsOut;//250000;//100000;//5000;
int nts =channel.nts;//12500001;//12500001;//5000001;//250001;//5000001;//250001;//100000;
//a.init();
//a.printInfor();// this one should come after init();
//a.output(out);
//clock_t begin = clock();
for (int i=0;i<12000;i++){
//channel.collideSwap();
//channel.streamSwap();
channel.collide();
channel.stream();
channel.applyBC();
}
/*
for (int i=0;i<100000;i++){
//---compute fluid velocity and interpret velocity---//
//channel.computeVelocity();
cellInChanl.interpret();
wormInChanl.interpret();
//---update temporary position at half time step---//
rbc.updateHalf();
worm.updateHalf();
//---compute solid force based on temporary position---//
rbc.computeForce();
worm.computeForce();
//rbc.computeReference();
//rbc.computeRigidForce();
//---spread force to fluid---//
cellInChanl.spread();
wormInChanl.spread();
//---LB fluid solver---//
channel.applyForce();
channel.collide();
channel.stream();
channel.applyBC();
//---compute fluid velocity and interpret velocity after force spreading---//
//channel.computeVelocity();
cellInChanl.interpret();
wormInChanl.interpret();
//---update position at a full time step---//
rbc.update();
worm.update();
worm.thermalFluctuation();
}*/
// channel.writeVelocity(fluidout);
clock_t begin = clock();
//cellInChanl.output(cellout);
for (int i=0;i<nts;i++){
//---compute fluid velocity and interpret velocity---//
//channel.computeVelocity();
cellInChanl.interpret();
wormInChanl.interpret();
//---update temporary position at half time step---//
rbc.updateHalf();
worm.updateHalf();
//---compute solid force based on temporary position---//
rbc.computeForce();
worm.computeForce();
//---spread and apply to fluid---//
cellInChanl.spread();
channel.applyForce();//spread will overwrite plb->force=0
wormInChanl.spread();
channel.applyForce();
//rbc.computeReference();
//rbc.computeRigidForce();
//---LB fluid solver---//
channel.collide();
channel.stream();
channel.applyBC();
//---compute fluid velocity and interpret velocity after force spreading---//
//channel.computeVelocity();
cellInChanl.interpret();
wormInChanl.interpret();
//---update position at a full time step---//
worm.update();
worm.penetrationRemoval();
rbc.update();
if (i%nSave ==0 ){
channel.writeVelocity(fluidout);
channel.writeForce(fluidForce);//only writes the last spread force
rbc.writeGeometry(cellout);
rbc.writeForce(cellForce);
rbc.writeVelocity(cellVelocity);
worm.writeGeometry(wormout);
worm.writeForce(wormForce);
worm.writeVelocity(wormVelocity);
cout<<"time step "<<i<<" finsished"<<endl;
//cout<<"area "<<rbc.computeArea()/rbc.A0<<endl;
/*cout<<"edgeFlag ";
for(int j=0;j<rbc.ns;j++)
cout<<" "<<rbc.edgeFlag[j];
cout<<endl;*/
cellInChanl.writeLog(log,i);
}
}
clock_t end = clock();
double elapsedSecs = double(end-begin)/CLOCKS_PER_SEC;
cout<<"time elapsed "<<elapsedSecs<<endl;
cellInChanl.writeLog(log,int(elapsedSecs));
return 0;
}
