Hi,
We are trying to get an information about dynamics applied to individual node of the lattice using something like this:
bool isBnd = lattice.get(10,10).getDynamics().isBoundary();
should it work as expected? i.e. if BounceBack was set in 10,10th node should isBnd==true?
We somehow cannot get it working.
All the best,
Maciej
Dear maq,
I know this thread is really old but I have stumbled upon the same problem. Have you figured out a solution? I also found another thread with the same question here
http://www.palabos.org/forum/read.php?11,5027
and - also - no answer…
I tried it the following way:
[code=“cpp”]
#include “palabos2D.h”
#include “palabos2D.hh”
using namespace std ;
using namespace plb ;
#define DESCRIPTOR descriptors::D2Q9Descriptor
#define DYNAMICS BGKdynamics
typedef double T ;
int main(int argc, char *argv[]){
plbInit(&argc, &argv) ;
global::directories().setOutputDir("./results-test/") ;
// Fluid parameters
const T omega = (T)1 ;
const T rho = (T)1 ;
// Domain size
const plint nx = 5 ;
const plint ny = 5 ;
// Initialize lattice structure
MultiBlockLattice2D<T, DESCRIPTOR> lattice (nx, ny, new DYNAMICS<T, DESCRIPTOR>(omega) ) ;
// Initialize fluid nodes
Box2D interior ( 0, nx-1, 1, ny-2 ) ;
initializeAtEquilibrium(lattice, interior, rho, Array<T,DESCRIPTOR<T>::d> ( (T)0, (T)0 ) ) ;
// Periodicity in x-direction
lattice.periodicity().toggle(0, true) ;
// Boundaries
Box2D topWall ( 0, nx-1, ny-1, ny-1 ) ;
Box2D botWall ( 0, nx-1, 0, 0 ) ;
defineDynamics(lattice, topWall, new BounceBack<T, DESCRIPTOR>(rho) ) ;
defineDynamics(lattice, botWall, new BounceBack<T, DESCRIPTOR>(rho) ) ;
lattice.initialize() ;
pcout << lattice.get(0,0).getDynamics().isBoundary() << endl ;
}
which also results in an output of zero, no matter what cell I look at.
Regards,
kk