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rotor_model.c
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/*****************************************************************
* Copyright (C) by Regents of the University of Minnesota. *
* *
* This Software is released under GNU General Public License 2.0 *
* http://www.gnu.org/licenses/gpl-2.0.html *
* *
******************************************************************/
/*Modeling the rotor blades */
#include "variables.h"
#include <algorithm>
using namespace std;
extern PetscInt ti, tiout;
extern double dfunc_2h(double r);
extern double dfunc_h(double r);
extern double dfunc_2hs1(double r);
extern double dfunc_2hs2(double r);
extern double dfunc_2hs3(double r);
extern double dfunc_2hs4(double r);
extern double dfunc_2hs5(double r);
extern double dfunc_2hs6(double r);
extern double dfunc_4hs1(double r);
extern double dfunc_nhs2(double r, double n); // with plateau, n half width
extern double dfunc_4h2peak(double r);
extern double dfunc_nhs1(double r, double n);
extern double dfunc_4h(double r);
extern double dfunc_4htail(double r);
extern double dfunc_s3h(double r);
extern double dfunc_s4h(double r);
extern double dfunc_sc4h(double r);
extern double dfunc_nh(double r, double n);
extern double dfunc_exp(double r, double n);
extern double dfunc_4uniform(double r);
extern double dfunc_6uniform(double r);
extern PetscErrorCode Calc_U_lagr(UserCtx *user, IBMNodes *ibm, FSInfo *fsi, int NumberOfObjects);
extern Cmpnts ArbitraryRotate(Cmpnts p,double theta,Cmpnts r);
//double coef_cr1 = 2.2, coef_cr2 = 1.0, coef_cr3 = 4.0;
int Itpwidth=(int)halfwidth_dfunc+2;
//int Itpwidth=20;
PetscErrorCode disk_read_ucd(IBMNodes *ibm, int ibi, FSInfo *fsi, int OneDmZ, char fname[80], double reflength)
{
int rank;
int n_v , n_elmt ;
PetscReal *x_bp , *y_bp , *z_bp ;
int *nv1 , *nv2 , *nv3 ;
PetscReal *nf_x, *nf_y, *nf_z;
int i,ii;
int n1e, n2e, n3e;
PetscReal dx12, dy12, dz12, dx13, dy13, dz13;
PetscReal dr;
PetscReal *dA ;//area
PetscReal *nt_x, *nt_y, *nt_z;
PetscReal *ns_x, *ns_y, *ns_z;
char ss[20];
char string[128];
PetscPrintf(PETSC_COMM_WORLD, "xc=%le, yc=%le, zc=%le for %i th turbine\n", fsi->x_c, fsi->y_c, fsi->z_c, ibi);
PetscPrintf(PETSC_COMM_WORLD, "nx=%le, ny=%le, nz=%le for %i th turbine\n", fsi->nx_tb, fsi->ny_tb, fsi->nz_tb, ibi);
MPI_Comm_rank(PETSC_COMM_WORLD, &rank);
if(!rank) { // root processor read in the data
FILE *fd;
PetscPrintf(PETSC_COMM_SELF, "READ %s\n", fname);
char filen[160];
sprintf(filen,"%s/%s" ,path, fname);
fd = fopen(filen, "r");
if (!fd) printf("Cannot open %s !!", filen),exit(0);
else printf("Opened %s !\n", filen);
n_v =0;
if (fd) {
fgets(string, 128, fd);
fgets(string, 128, fd);
fgets(string, 128, fd);
fscanf(fd, "%i %i %i %i %i",&n_v,&n_elmt,&ii,&ii,&ii);
PetscPrintf(PETSC_COMM_SELF, "number of nodes & elements %d %d\n",n_v, n_elmt);
ibm->n_v = n_v;
ibm->n_elmt = n_elmt;
MPI_Bcast(&(ibm->n_v), 1, MPI_INT, 0, PETSC_COMM_WORLD);
PetscMalloc(n_v*sizeof(PetscReal), &(ibm->x_bp)); // added by seokkoo 03.04.2009
PetscMalloc(n_v*sizeof(PetscReal), &(ibm->y_bp));
PetscMalloc(n_v*sizeof(PetscReal), &(ibm->z_bp));
x_bp = ibm->x_bp; // seokkoo
y_bp = ibm->y_bp;
z_bp = ibm->z_bp;
PetscMalloc(n_v*sizeof(PetscReal), &(ibm->x_bp_i));
PetscMalloc(n_v*sizeof(PetscReal), &(ibm->y_bp_i));
PetscMalloc(n_v*sizeof(PetscReal), &(ibm->z_bp_i));
PetscMalloc(n_v*sizeof(PetscReal), &(ibm->x_bp_o));
PetscMalloc(n_v*sizeof(PetscReal), &(ibm->y_bp_o));
PetscMalloc(n_v*sizeof(PetscReal), &(ibm->z_bp_o));
PetscMalloc(n_v*sizeof(PetscReal), &(ibm->x_bp0));
PetscMalloc(n_v*sizeof(PetscReal), &(ibm->y_bp0));
PetscMalloc(n_v*sizeof(PetscReal), &(ibm->z_bp0));
PetscMalloc(n_v*sizeof(Cmpnts), &(ibm->u));
PetscMalloc(n_v*sizeof(Cmpnts), &(ibm->uold));
PetscMalloc(n_v*sizeof(Cmpnts), &(ibm->urm1));
PetscMalloc(n_v*sizeof(PetscReal), &(ibm->tmprt));
for (i=0; i<n_v; i++) {
fscanf(fd, "%i %le %le %le", &ii, &x_bp[i], &y_bp[i], &z_bp[i]);//, &t, &t, &t);
x_bp[i]=x_bp[i]/reflength;
y_bp[i]=y_bp[i]/reflength;
z_bp[i]=z_bp[i]/reflength;
// rotate the axis. Assume the one from gridgen is (0,0,1)
/*
double n_rot[3];
n_rot[0]=-fsi->ny_tb; n_rot[1]=fsi->nx_tb; n_rot[2]=0.0;
double ux=n_rot[0], uy=n_rot[1], uz=n_rot[2];
double ang_rot;
double rrr=fsi->nz_tb;
ang_rot=acos(rrr);
double cos_=cos(ang_rot), sin_=sin(ang_rot);
*/
// Problem for some cases .........................
/*
Cmpnts p, r, q;
p.x=x_bp[i]; p.y=y_bp[i]; p.z=z_bp[i];
r.x=-fsi->ny_tb; r.y=fsi->nx_tb; r.z=0.0;
double theta=acos(fsi->nz_tb);
q=ArbitraryRotate(p,theta,r);
x_bp[i]=q.x;
y_bp[i]=q.y;
z_bp[i]=q.z;
*/
// .................................
/*
double mat_rot[3][3];
mat_rot[0][0]=cos_+pow(ux,2)*(1.0-cos_);
mat_rot[0][1]=ux*uy*(1.0-cos_)-uz*sin_;
mat_rot[0][2]=ux*uz*(1.0-cos_)+uy*sin_;
mat_rot[1][0]=uy*ux*(1.0-cos_)+uz*sin_;
mat_rot[1][1]=cos_+pow(uy,2)*(1.0-cos_);
mat_rot[1][2]=uy*uz*(1.0-cos_)-ux*sin_;
mat_rot[2][0]=uz*ux*(1.0-cos_)-uy*sin_;
mat_rot[2][1]=uz*uy*(1.0-cos_)+ux*sin_;
mat_rot[2][2]=cos_+pow(uz,2)*(1.0-cos_);
*/
// double xb=x_bp[i], yb=y_bp[i], zb=z_bp[i];
/*
x_bp[i]=mat_rot[0][0]*xb+mat_rot[0][1]*yb+mat_rot[0][2]*zb;
y_bp[i]=mat_rot[1][0]*xb+mat_rot[1][1]*yb+mat_rot[1][2]*zb;
z_bp[i]=mat_rot[2][0]*xb+mat_rot[2][1]*yb+mat_rot[2][2]*zb;
*/
/*
double wCv[3];
wCv[0]=uy*zb-uz*yb; wCv[1]=uz*xb-ux*zb; wCv[2]=ux*yb-uy*xb;
double wPv=ux*xb+uy*yb+uz*zb;
x_bp[i]=xb*cos_+wCv[0]*sin_+wPv*ux*(1.0-cos_);
y_bp[i]=yb*cos_+wCv[1]*sin_+wPv*uy*(1.0-cos_);
z_bp[i]=zb*cos_+wCv[2]*sin_+wPv*uz*(1.0-cos_);
*/
ibm->x_bp_i[i] = x_bp[i];
ibm->y_bp_i[i] = y_bp[i];
ibm->z_bp_i[i] = z_bp[i];
x_bp[i] += fsi->x_c;
y_bp[i] += fsi->y_c;
z_bp[i] += fsi->z_c;
ibm->x_bp0[i] = x_bp[i];
ibm->y_bp0[i] = y_bp[i];
ibm->z_bp0[i] = z_bp[i];
if (OneDmZ) {
double R=fsi->r_rotor/reflength_wt;
double rr = loc_refvel*2.0*R;
x_bp[i]-=rr*fsi->nx_tb;
y_bp[i]-=rr*fsi->ny_tb;
z_bp[i]-=rr*fsi->nz_tb;
}
ibm->x_bp[i] = x_bp[i];
ibm->y_bp[i] = y_bp[i];
ibm->z_bp[i] = z_bp[i];
ibm->x_bp_o[i] = x_bp[i];
ibm->y_bp_o[i] = y_bp[i];
ibm->z_bp_o[i] = z_bp[i];
ibm->tmprt[i] = 0.;
ibm->u[i].x = 0.;
ibm->u[i].y = 0.;
ibm->u[i].z = 0.;
ibm->uold[i].x = 0.;
ibm->uold[i].y = 0.;
ibm->uold[i].z = 0.;
ibm->urm1[i].x = 0.;
ibm->urm1[i].y = 0.;
ibm->urm1[i].z = 0.;
}
i=0;
PetscPrintf(PETSC_COMM_WORLD, "xyz_bp %le %le %le\n", x_bp[i], y_bp[i], z_bp[i]);
MPI_Bcast(ibm->x_bp_i, n_v, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->y_bp_i, n_v, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->z_bp_i, n_v, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->x_bp0, n_v, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->y_bp0, n_v, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->z_bp0, n_v, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->x_bp, n_v, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->y_bp, n_v, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->z_bp, n_v, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->x_bp_o, n_v, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->y_bp_o, n_v, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->z_bp_o, n_v, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(&(ibm->n_elmt), 1, MPI_INT, 0, PETSC_COMM_WORLD);
PetscMalloc(n_elmt*sizeof(int), &nv1);
PetscMalloc(n_elmt*sizeof(int), &nv2);
PetscMalloc(n_elmt*sizeof(int), &nv3);
PetscMalloc(n_elmt*sizeof(PetscReal), &nf_x);
PetscMalloc(n_elmt*sizeof(PetscReal), &nf_y);
PetscMalloc(n_elmt*sizeof(PetscReal), &nf_z);
PetscMalloc(n_elmt*sizeof(PetscReal), &dA); //Area
PetscMalloc(n_elmt*sizeof(PetscReal), &nt_x);
PetscMalloc(n_elmt*sizeof(PetscReal), &nt_y);
PetscMalloc(n_elmt*sizeof(PetscReal), &nt_z);
PetscMalloc(n_elmt*sizeof(PetscReal), &ns_x);
PetscMalloc(n_elmt*sizeof(PetscReal), &ns_y);
PetscMalloc(n_elmt*sizeof(PetscReal), &ns_z);
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->cent_x));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->cent_y));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->cent_z));
// rotor model
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->Urel_mean));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->Fr_mean));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->Ft_mean));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->Fa_mean));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->Ur_mean));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->Ut_mean));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->Ua_mean));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->AOA_mean));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->U_rel));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->F_lagr_x));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->F_lagr_y));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->F_lagr_z));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->U_lagr_x));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->U_lagr_y));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->U_lagr_z));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->Ftmprt_lagr));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->Tmprt_lagr));
PetscMalloc(n_elmt*sizeof(int), &(ibm->i_min));
PetscMalloc(n_elmt*sizeof(int), &(ibm->j_min));
PetscMalloc(n_elmt*sizeof(int), &(ibm->k_min));
PetscMalloc(n_elmt*sizeof(int), &(ibm->i_max));
PetscMalloc(n_elmt*sizeof(int), &(ibm->j_max));
PetscMalloc(n_elmt*sizeof(int), &(ibm->k_max));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->dhx));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->dhy));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->dhz));
PetscMalloc(ibm->n_elmt*sizeof(PetscReal), &(ibm->angle_attack));
PetscMalloc(ibm->n_elmt*sizeof(PetscReal), &(ibm->angle_twist));
PetscMalloc(ibm->n_elmt*sizeof(PetscReal), &(ibm->chord_blade));
PetscMalloc(ibm->n_elmt*sizeof(PetscReal), &(ibm->CD));
PetscMalloc(ibm->n_elmt*sizeof(PetscReal), &(ibm->CL));
for (i=0; i<n_elmt; i++) {
fscanf(fd, "%i %i %s %i %i %i\n", &ii,&ii, &ss, nv1+i, nv2+i, nv3+i);
nv1[i] = nv1[i] - 1; nv2[i] = nv2[i]-1; nv3[i] = nv3[i] - 1;
}
ibm->nv1 = nv1; ibm->nv2 = nv2; ibm->nv3 = nv3;
i=0;
PetscPrintf(PETSC_COMM_WORLD, "nv %d %d %d\n", nv1[i], nv2[i], nv3[i]);
fclose(fd);
}
for (i=0; i<n_elmt; i++) {
n1e = nv1[i]; n2e =nv2[i]; n3e = nv3[i];
dx12 = x_bp[n2e] - x_bp[n1e];
dy12 = y_bp[n2e] - y_bp[n1e];
dz12 = z_bp[n2e] - z_bp[n1e];
dx13 = x_bp[n3e] - x_bp[n1e];
dy13 = y_bp[n3e] - y_bp[n1e];
dz13 = z_bp[n3e] - z_bp[n1e];
nf_x[i] = dy12 * dz13 - dz12 * dy13;
nf_y[i] = -dx12 * dz13 + dz12 * dx13;
nf_z[i] = dx12 * dy13 - dy12 * dx13;
dr = sqrt(nf_x[i]*nf_x[i] + nf_y[i]*nf_y[i] + nf_z[i]*nf_z[i]);
nf_x[i] /=dr; nf_y[i]/=dr; nf_z[i]/=dr;
if ((((1.-nf_z[i])<=1e-6 )&((-1.+nf_z[i])<1e-6))|
(((nf_z[i]+1.)<=1e-6 )&((-1.-nf_z[i])<1e-6))) {
ns_x[i] = 1.;
ns_y[i] = 0.;
ns_z[i] = 0. ;
nt_x[i] = 0.;
nt_y[i] = 1.;
nt_z[i] = 0.;
} else {
ns_x[i] = nf_y[i]/ sqrt(nf_x[i]*nf_x[i] + nf_y[i]*nf_y[i]);
ns_y[i] = -nf_x[i]/ sqrt(nf_x[i]*nf_x[i] + nf_y[i]*nf_y[i]);
ns_z[i] = 0. ;
nt_x[i] = -nf_x[i]*nf_z[i]/ sqrt(nf_x[i]*nf_x[i] + nf_y[i]*nf_y[i]);
nt_y[i] = -nf_y[i]*nf_z[i]/ sqrt(nf_x[i]*nf_x[i] + nf_y[i]*nf_y[i]);
nt_z[i] = sqrt(nf_x[i]*nf_x[i] + nf_y[i]*nf_y[i]);
}
dA[i] = dr/2.;
// Calc the center of the element
ibm->cent_x[i]= (x_bp[n1e]+x_bp[n2e]+x_bp[n3e])/3.;
ibm->cent_y[i]= (y_bp[n1e]+y_bp[n2e]+y_bp[n3e])/3.;
ibm->cent_z[i]= (z_bp[n1e]+z_bp[n2e]+z_bp[n3e])/3.;
}
ibm->nf_x = nf_x; ibm->nf_y = nf_y; ibm->nf_z = nf_z;
ibm->dA = dA;
ibm->nt_x = nt_x; ibm->nt_y = nt_y; ibm->nt_z = nt_z;
ibm->ns_x = ns_x; ibm->ns_y = ns_y; ibm->ns_z = ns_z;
MPI_Bcast(ibm->nv1, n_elmt, MPI_INT, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->nv2, n_elmt, MPI_INT, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->nv3, n_elmt, MPI_INT, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->nf_x, n_elmt, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->nf_y, n_elmt, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->nf_z, n_elmt, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->dA, n_elmt, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->nt_x, n_elmt, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->nt_y, n_elmt, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->nt_z, n_elmt, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->ns_x, n_elmt, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->ns_y, n_elmt, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->ns_z, n_elmt, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->cent_x, n_elmt, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->cent_y, n_elmt, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->cent_z, n_elmt, MPIU_REAL, 0, PETSC_COMM_WORLD);
int ti=0;
FILE *f;
sprintf(filen, "%s/%s_%2.2d_nf.dat",path,fname,ibi);
f = fopen(filen, "w");
PetscFPrintf(PETSC_COMM_WORLD, f, "Variables=x,y,z,n_x,n_y,n_z,nt_x,nt_y,nt_z,ns_x,ns_y,ns_z\n");
PetscFPrintf(PETSC_COMM_WORLD, f, "ZONE T='TRIANGLES', N=%d, E=%d, F=FEBLOCK, ET=TRIANGLE, VARLOCATION=([1-3]=NODAL,[4-12]=CELLCENTERED)\n", n_v, n_elmt);
for (i=0; i<n_v; i++) {
PetscFPrintf(PETSC_COMM_WORLD, f, "%e\n", ibm->x_bp[i]);
}
for (i=0; i<n_v; i++) {
PetscFPrintf(PETSC_COMM_WORLD, f, "%e\n", ibm->y_bp[i]);
}
for (i=0; i<n_v; i++) {
PetscFPrintf(PETSC_COMM_WORLD, f, "%e\n", ibm->z_bp[i]);
}
for (i=0; i<n_elmt; i++) {
PetscFPrintf(PETSC_COMM_WORLD, f, "%e\n", ibm->nf_x[i]);
}
for (i=0; i<n_elmt; i++) {
PetscFPrintf(PETSC_COMM_WORLD, f, "%e\n", ibm->nf_y[i]);
}
for (i=0; i<n_elmt; i++) {
PetscFPrintf(PETSC_COMM_WORLD, f, "%e\n", ibm->nf_z[i]);
}
for (i=0; i<n_elmt; i++) {
PetscFPrintf(PETSC_COMM_WORLD, f, "%e\n", ibm->nt_x[i]);
}
for (i=0; i<n_elmt; i++) {
PetscFPrintf(PETSC_COMM_WORLD, f, "%e\n", ibm->nt_y[i]);
}
for (i=0; i<n_elmt; i++) {
PetscFPrintf(PETSC_COMM_WORLD, f, "%e\n", ibm->nt_z[i]);
}
for (i=0; i<n_elmt; i++) {
PetscFPrintf(PETSC_COMM_WORLD, f, "%e\n", ibm->ns_x[i]);
}
for (i=0; i<n_elmt; i++) {
PetscFPrintf(PETSC_COMM_WORLD, f, "%e\n", ibm->ns_y[i]);
}
for (i=0; i<n_elmt; i++) {
PetscFPrintf(PETSC_COMM_WORLD, f, "%e\n", ibm->ns_z[i]);
}
for (i=0; i<n_elmt; i++) {
PetscFPrintf(PETSC_COMM_WORLD, f, "%d %d %d\n", ibm->nv1[i]+1, ibm->nv2[i]+1, ibm->nv3[i]+1);
}
fclose(f);
}
else if (rank) {
MPI_Bcast(&(n_v), 1, MPI_INT, 0, PETSC_COMM_WORLD);
ibm->n_v = n_v;
PetscMalloc(n_v*sizeof(PetscReal), &(ibm->x_bp));
PetscMalloc(n_v*sizeof(PetscReal), &(ibm->y_bp));
PetscMalloc(n_v*sizeof(PetscReal), &(ibm->z_bp));
x_bp = ibm->x_bp; // added by seokkoo 03.04.2009
y_bp = ibm->y_bp;
z_bp = ibm->z_bp;
PetscMalloc(n_v*sizeof(PetscReal), &(ibm->x_bp_i));
PetscMalloc(n_v*sizeof(PetscReal), &(ibm->y_bp_i));
PetscMalloc(n_v*sizeof(PetscReal), &(ibm->z_bp_i));
PetscMalloc(n_v*sizeof(PetscReal), &(ibm->x_bp_o));
PetscMalloc(n_v*sizeof(PetscReal), &(ibm->y_bp_o));
PetscMalloc(n_v*sizeof(PetscReal), &(ibm->z_bp_o));
PetscMalloc(n_v*sizeof(PetscReal), &(ibm->x_bp0));
PetscMalloc(n_v*sizeof(PetscReal), &(ibm->y_bp0));
PetscMalloc(n_v*sizeof(PetscReal), &(ibm->z_bp0));
PetscMalloc(n_v*sizeof(Cmpnts), &(ibm->u));
PetscMalloc(n_v*sizeof(Cmpnts), &(ibm->uold));
PetscMalloc(n_v*sizeof(Cmpnts), &(ibm->urm1));
PetscMalloc(n_v*sizeof(PetscReal), &(ibm->tmprt));
for (i=0; i<n_v; i++) {
ibm->tmprt[i] = 0.;
ibm->u[i].x = 0.;
ibm->u[i].y = 0.;
ibm->u[i].z = 0.;
ibm->uold[i].x = 0.;
ibm->uold[i].y = 0.;
ibm->uold[i].z = 0.;
ibm->urm1[i].x = 0.;
ibm->urm1[i].y = 0.;
ibm->urm1[i].z = 0.;
}
MPI_Bcast(ibm->x_bp_i, n_v, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->y_bp_i, n_v, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->z_bp_i, n_v, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->x_bp0, n_v, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->y_bp0, n_v, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->z_bp0, n_v, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->x_bp, n_v, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->y_bp, n_v, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->z_bp, n_v, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->x_bp_o, n_v, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->y_bp_o, n_v, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->z_bp_o, n_v, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(&(ibm->n_elmt), 1, MPI_INT, 0, PETSC_COMM_WORLD);
n_elmt = ibm->n_elmt;
PetscMalloc(n_elmt*sizeof(int), &nv1);
PetscMalloc(n_elmt*sizeof(int), &nv2);
PetscMalloc(n_elmt*sizeof(int), &nv3);
PetscMalloc(n_elmt*sizeof(PetscReal), &nf_x);
PetscMalloc(n_elmt*sizeof(PetscReal), &nf_y);
PetscMalloc(n_elmt*sizeof(PetscReal), &nf_z);
PetscMalloc(n_elmt*sizeof(PetscReal), &dA);
PetscMalloc(n_elmt*sizeof(PetscReal), &nt_x);
PetscMalloc(n_elmt*sizeof(PetscReal), &nt_y);
PetscMalloc(n_elmt*sizeof(PetscReal), &nt_z);
PetscMalloc(n_elmt*sizeof(PetscReal), &ns_x);
PetscMalloc(n_elmt*sizeof(PetscReal), &ns_y);
PetscMalloc(n_elmt*sizeof(PetscReal), &ns_z);
ibm->nv1 = nv1; ibm->nv2 = nv2; ibm->nv3 = nv3;
ibm->nf_x = nf_x; ibm->nf_y = nf_y; ibm->nf_z = nf_z;
ibm->dA = dA;
ibm->nt_x = nt_x; ibm->nt_y = nt_y; ibm->nt_z = nt_z;
ibm->ns_x = ns_x; ibm->ns_y = ns_y; ibm->ns_z = ns_z;
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->cent_x));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->cent_y));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->cent_z));
// rotor model
//
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->Urel_mean));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->Fr_mean));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->Ft_mean));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->Fa_mean));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->Ur_mean));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->Ut_mean));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->Ua_mean));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->AOA_mean));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->U_rel));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->F_lagr_x));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->F_lagr_y));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->F_lagr_z));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->U_lagr_x));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->U_lagr_y));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->U_lagr_z));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->Ftmprt_lagr));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->Tmprt_lagr));
PetscMalloc(n_elmt*sizeof(int), &(ibm->i_min));
PetscMalloc(n_elmt*sizeof(int), &(ibm->j_min));
PetscMalloc(n_elmt*sizeof(int), &(ibm->k_min));
PetscMalloc(n_elmt*sizeof(int), &(ibm->i_max));
PetscMalloc(n_elmt*sizeof(int), &(ibm->j_max));
PetscMalloc(n_elmt*sizeof(int), &(ibm->k_max));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->dhx));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->dhy));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->dhz));
PetscMalloc(ibm->n_elmt*sizeof(PetscReal), &(ibm->angle_attack));
PetscMalloc(ibm->n_elmt*sizeof(PetscReal), &(ibm->angle_twist));
PetscMalloc(ibm->n_elmt*sizeof(PetscReal), &(ibm->chord_blade));
PetscMalloc(ibm->n_elmt*sizeof(PetscReal), &(ibm->CD));
PetscMalloc(ibm->n_elmt*sizeof(PetscReal), &(ibm->CL));
MPI_Bcast(ibm->nv1, n_elmt, MPI_INT, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->nv2, n_elmt, MPI_INT, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->nv3, n_elmt, MPI_INT, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->nf_x, n_elmt, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->nf_y, n_elmt, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->nf_z, n_elmt, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->dA, n_elmt, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->nt_x, n_elmt, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->nt_y, n_elmt, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->nt_z, n_elmt, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->ns_x, n_elmt, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->ns_y, n_elmt, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->ns_z, n_elmt, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->cent_x, n_elmt, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->cent_y, n_elmt, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->cent_z, n_elmt, MPIU_REAL, 0, PETSC_COMM_WORLD);
}
PetscPrintf(PETSC_COMM_WORLD, "Read %s !\n", fname);
for (i=0; i<ibm->n_elmt; i++) {
ibm->Urel_mean[i]=0.0;
ibm->Fr_mean[i]=0.0;
ibm->Ft_mean[i]=0.0;
ibm->Fa_mean[i]=0.0;
ibm->Ur_mean[i]=0.0;
ibm->Ut_mean[i]=0.0;
ibm->Ua_mean[i]=0.0;
ibm->AOA_mean[i]=0.0;
}
count_AL=0.0;
return(0);
}
PetscErrorCode ACL_read_ucd(IBMNodes *ibm, int ibi, FSInfo *fsi, double reflength)
{
int rank;
int n_v , n_elmt ;
PetscReal *x_bp , *y_bp , *z_bp ;
int *nv1 , *nv2 , *nv3 ;
PetscReal *nf_x, *nf_y, *nf_z;
int i,ii;
int n1e, n2e, n3e;
PetscReal dx12, dy12, dz12, dx13, dy13, dz13;
PetscReal dr;
//Added 4/1/06 iman
PetscReal *dA ;//area
PetscReal *nt_x, *nt_y, *nt_z;
PetscReal *ns_x, *ns_y, *ns_z;
int nv_blade, nelmt_blade;
char ss[20];
//double xt;
char string[128];
MPI_Comm_rank(PETSC_COMM_WORLD, &rank);
if(!rank) { // root processor read in the data
FILE *fd;
PetscPrintf(PETSC_COMM_SELF, "READ acldata\n");
char filen[80];
sprintf(filen,"%s/acldata%3.3d" , path, 0);
fd = fopen(filen, "r");
if (!fd) printf("Cannot open %s !!", filen),exit(0);
else printf("Opened %s !\n", filen);
n_v =0;
if (fd) {
fscanf(fd, "%i ",&n_v);
n_elmt = n_v - 1;
PetscPrintf(PETSC_COMM_SELF, "number of nodes & elements & blades %d %d %d \n",n_v, n_elmt, num_blade);
nv_blade=n_v;
nelmt_blade=n_elmt;
ibm->n_v = n_v * num_blade;
ibm->n_elmt = n_elmt * num_blade;
n_v=ibm->n_v;
n_elmt=ibm->n_elmt;
MPI_Bcast(&(ibm->n_v), 1, MPI_INT, 0, PETSC_COMM_WORLD);
PetscMalloc(n_v*sizeof(PetscReal), &(ibm->x_bp)); // added by seokkoo 03.04.2009
PetscMalloc(n_v*sizeof(PetscReal), &(ibm->y_bp));
PetscMalloc(n_v*sizeof(PetscReal), &(ibm->z_bp));
x_bp = ibm->x_bp; // seokkoo
y_bp = ibm->y_bp;
z_bp = ibm->z_bp;
//PetscMalloc(n_v*sizeof(PetscReal), &(ibm->dhx));
//PetscMalloc(n_v*sizeof(PetscReal), &(ibm->dhy));
//PetscMalloc(n_v*sizeof(PetscReal), &(ibm->dhz));
PetscMalloc(n_v*sizeof(PetscReal), &(ibm->x_bp_i));
PetscMalloc(n_v*sizeof(PetscReal), &(ibm->y_bp_i));
PetscMalloc(n_v*sizeof(PetscReal), &(ibm->z_bp_i));
PetscMalloc(n_v*sizeof(PetscReal), &(ibm->x_bp_o));
PetscMalloc(n_v*sizeof(PetscReal), &(ibm->y_bp_o));
PetscMalloc(n_v*sizeof(PetscReal), &(ibm->z_bp_o));
PetscMalloc(n_v*sizeof(PetscReal), &(ibm->x_bp0));
PetscMalloc(n_v*sizeof(PetscReal), &(ibm->y_bp0));
PetscMalloc(n_v*sizeof(PetscReal), &(ibm->z_bp0));
PetscMalloc(n_v*sizeof(Cmpnts), &(ibm->u));
PetscMalloc(n_v*sizeof(Cmpnts), &(ibm->uold));
PetscMalloc(n_v*sizeof(Cmpnts), &(ibm->urm1));
PetscMalloc(n_v*sizeof(PetscReal), &(ibm->tmprt));
int nb,j;
for (nb=0; nb<num_blade; nb++) {
if (nb != 0) fscanf(fd, "%i ", &ii);
for (j=0; j<nv_blade; j++) {
i = nb*nv_blade + j;
fscanf(fd, "%le %le %le", &x_bp[i], &y_bp[i], &z_bp[i]);//, &t, &t, &t);
x_bp[i]=x_bp[i]/reflength;
y_bp[i]=y_bp[i]/reflength;
z_bp[i]=z_bp[i]/reflength;
// rotate the axis. Assume the one from gridgen is (0,0,1)
// not work for some cases .................
/*
Cmpnts p, r, q;
p.x=x_bp[i]; p.y=y_bp[i]; p.z=z_bp[i];
r.x=-fsi->ny_tb; r.y=fsi->nx_tb; r.z=0.0;
double theta=acos(fsi->nz_tb);
q=ArbitraryRotate(p,theta,r);
x_bp[i]=q.x;
y_bp[i]=q.y;
z_bp[i]=q.z;
*/
// ....................
//double n_rot[3];
//n_rot[0]=-fsi->ny_tb; n_rot[1]=fsi->nx_tb; n_rot[2]=0.0;
//double ux=n_rot[0], uy=n_rot[1], uz=n_rot[2];
//double ang_rot;
//double rrr=fsi->nz_tb;
//ang_rot=acos(rrr);
//double cos_=cos(ang_rot), sin_=sin(ang_rot);
/*
double mat_rot[3][3];
mat_rot[0][0]=cos_+pow(ux,2)*(1.0-cos_);
mat_rot[0][1]=ux*uy*(1.0-cos_)-uz*sin_;
mat_rot[0][2]=ux*uz*(1.0-cos_)+uy*sin_;
mat_rot[1][0]=uy*ux*(1.0-cos_)+uz*sin_;
mat_rot[1][1]=cos_+pow(uy,2)*(1.0-cos_);
mat_rot[1][2]=uy*uz*(1.0-cos_)-ux*sin_;
mat_rot[2][0]=uz*ux*(1.0-cos_)-uy*sin_;
mat_rot[2][1]=uz*uy*(1.0-cos_)+ux*sin_;
mat_rot[2][2]=cos_+pow(uz,2)*(1.0-cos_);
*/
//double xb=x_bp[i], yb=y_bp[i], zb=z_bp[i];
/*
x_bp[i]=mat_rot[0][0]*xb+mat_rot[0][1]*yb+mat_rot[0][2]*zb;
y_bp[i]=mat_rot[1][0]*xb+mat_rot[1][1]*yb+mat_rot[1][2]*zb;
z_bp[i]=mat_rot[2][0]*xb+mat_rot[2][1]*yb+mat_rot[2][2]*zb;
*/
//double wCv[3];
//wCv[0]=uy*zb-uz*yb; wCv[1]=uz*xb-ux*zb; wCv[2]=ux*yb-uy*xb;
//double wPv=ux*xb+uy*yb+uz*zb;
//x_bp[i]=xb*cos_+wCv[0]*sin_+wPv*ux*(1.0-cos_);
//y_bp[i]=yb*cos_+wCv[1]*sin_+wPv*uy*(1.0-cos_);
//z_bp[i]=zb*cos_+wCv[2]*sin_+wPv*uz*(1.0-cos_);
ibm->x_bp_i[i] = x_bp[i];
ibm->y_bp_i[i] = y_bp[i];
ibm->z_bp_i[i] = z_bp[i];
x_bp[i] += fsi->x_c;
y_bp[i] += fsi->y_c;
z_bp[i] += fsi->z_c;
ibm->x_bp0[i] = x_bp[i];
ibm->y_bp0[i] = y_bp[i];
ibm->z_bp0[i] = z_bp[i];
ibm->x_bp[i] = x_bp[i];
ibm->y_bp[i] = y_bp[i];
ibm->z_bp[i] = z_bp[i];
ibm->x_bp_o[i] = x_bp[i];
ibm->y_bp_o[i] = y_bp[i];
ibm->z_bp_o[i] = z_bp[i];
ibm->tmprt[i] = 0.;
ibm->u[i].x = 0.;
ibm->u[i].y = 0.;
ibm->u[i].z = 0.;
ibm->uold[i].x = 0.;
ibm->uold[i].y = 0.;
ibm->uold[i].z = 0.;
ibm->urm1[i].x = 0.;
ibm->urm1[i].y = 0.;
ibm->urm1[i].z = 0.;
}
}
i=0;
PetscPrintf(PETSC_COMM_WORLD, "xyz_bp %le %le %le\n", x_bp[i], y_bp[i], z_bp[i]);
MPI_Bcast(ibm->x_bp_i, n_v, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->y_bp_i, n_v, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->z_bp_i, n_v, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->x_bp0, n_v, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->y_bp0, n_v, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->z_bp0, n_v, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->x_bp, n_v, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->y_bp, n_v, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->z_bp, n_v, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->x_bp_o, n_v, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->y_bp_o, n_v, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(ibm->z_bp_o, n_v, MPIU_REAL, 0, PETSC_COMM_WORLD);
MPI_Bcast(&(ibm->n_elmt), 1, MPI_INT, 0, PETSC_COMM_WORLD);
PetscMalloc(n_elmt*sizeof(int), &nv1);
PetscMalloc(n_elmt*sizeof(int), &nv2);
PetscMalloc(n_elmt*sizeof(int), &nv3);
PetscMalloc(n_elmt*sizeof(PetscReal), &nf_x);
PetscMalloc(n_elmt*sizeof(PetscReal), &nf_y);
PetscMalloc(n_elmt*sizeof(PetscReal), &nf_z);
// Added 4/1/06 iman
PetscMalloc(n_elmt*sizeof(PetscReal), &dA); //Area
PetscMalloc(n_elmt*sizeof(PetscReal), &nt_x);
PetscMalloc(n_elmt*sizeof(PetscReal), &nt_y);
PetscMalloc(n_elmt*sizeof(PetscReal), &nt_z);
PetscMalloc(n_elmt*sizeof(PetscReal), &ns_x);
PetscMalloc(n_elmt*sizeof(PetscReal), &ns_y);
PetscMalloc(n_elmt*sizeof(PetscReal), &ns_z);
// Added 6/4/06 iman
//PetscMalloc(n_elmt*sizeof(Cmpnts), &(ibm->cent));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->cent_x));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->cent_y));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->cent_z));
// end added
// added 12-7-2010 xyang
//
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->Urel_mean));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->Fr_mean));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->Ft_mean));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->Fa_mean));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->Ur_mean));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->Ut_mean));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->Ua_mean));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->AOA_mean));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->U_rel));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->F_lagr_x));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->F_lagr_y));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->F_lagr_z));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->U_lagr_x));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->U_lagr_y));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->U_lagr_z));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->Ftmprt_lagr));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->Tmprt_lagr));
PetscMalloc(n_elmt*sizeof(int), &(ibm->i_min));
PetscMalloc(n_elmt*sizeof(int), &(ibm->j_min));
PetscMalloc(n_elmt*sizeof(int), &(ibm->k_min));
PetscMalloc(n_elmt*sizeof(int), &(ibm->i_max));
PetscMalloc(n_elmt*sizeof(int), &(ibm->j_max));
PetscMalloc(n_elmt*sizeof(int), &(ibm->k_max));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->dhx));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->dhy));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->dhz));
if (surface_p_out) {
PetscMalloc(n_elmt*sizeof(int), &(ibm->ib_elmt));
PetscMalloc(n_elmt*sizeof(int), &(ibm->jb_elmt));
PetscMalloc(n_elmt*sizeof(int), &(ibm->kb_elmt));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->xb_elmt));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->yb_elmt));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->zb_elmt));
PetscMalloc(n_elmt*sizeof(PetscReal), &(ibm->p_elmt));
PetscMalloc(n_elmt*sizeof(Cmpnts), &(ibm->tau_elmt));
}
PetscMalloc(ibm->n_elmt*sizeof(PetscReal), &(ibm->angle_attack));
PetscMalloc(ibm->n_elmt*sizeof(PetscReal), &(ibm->angle_twist));
PetscMalloc(ibm->n_elmt*sizeof(PetscReal), &(ibm->chord_blade));
PetscMalloc(ibm->n_elmt*sizeof(PetscReal), &(ibm->CD));
PetscMalloc(ibm->n_elmt*sizeof(PetscReal), &(ibm->CL));
PetscMalloc(n_elmt*sizeof(PetscReal), &ibm->shear);
PetscMalloc(n_elmt*sizeof(PetscReal), &ibm->mean_shear);
PetscMalloc(n_elmt*sizeof(PetscReal), &ibm->reynolds_stress1);
PetscMalloc(n_elmt*sizeof(PetscReal), &ibm->reynolds_stress2);
PetscMalloc(n_elmt*sizeof(PetscReal), &ibm->reynolds_stress3);
PetscMalloc(n_elmt*sizeof(PetscReal), &ibm->pressure);
PetscMalloc(n_elmt*sizeof(int), &ibm->color);
// colored as blade index
for (nb=0; nb<num_blade; nb++) {
for (j=0; j<nelmt_blade; j++) {
i = nb*nelmt_blade + j;
ibm->color[i] = nb+1;
}
}
for (nb=0; nb<num_blade; nb++) {
for (j=0; j<nelmt_blade; j++) {
i = nb*nelmt_blade + j;
ii = nb*nv_blade + j;
nv1[i] = ii; nv2[i] = ii + 1; nv3[i] = ii + 1;
}
}
ibm->nv1 = nv1; ibm->nv2 = nv2; ibm->nv3 = nv3;
i=0;
PetscPrintf(PETSC_COMM_WORLD, "nv %d %d %d\n", ibm->nv1[i], ibm->nv2[i], ibm->nv3[i]);
fclose(fd);
}
int nb, j;
// for ACL, the nf_x, nf_y, nf_z denote the direction of the actuator line. and dA denotes the length of each element.
for (nb=0; nb<num_blade; nb++) {