From 58230a2591414fb38b9ec8d3a76439b290cb0a6f Mon Sep 17 00:00:00 2001
From: mihaf <miha.fosnaric@gmail.com>
Date: Tue, 18 Mar 2014 13:09:23 +0000
Subject: [PATCH] Adding ending energy to filaments. In progress. Continue in single_filament_vertex_move
---
src/vertexmove.c | 104 ++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 104 insertions(+), 0 deletions(-)
diff --git a/src/vertexmove.c b/src/vertexmove.c
index 7f6391f..04325ef 100644
--- a/src/vertexmove.c
+++ b/src/vertexmove.c
@@ -254,3 +254,107 @@
//END MONTE CARLOOOOOOO
return TS_SUCCESS;
}
+
+
+
+
+ts_bool single_filament_vertex_move(ts_vesicle *vesicle,ts_poly *poly,ts_vertex *vtx,ts_double *rn){
+ ts_uint i;
+ ts_bool retval;
+ ts_uint cellidx;
+// ts_double delta_energy;
+ ts_double costheta,sintheta,phi,r;
+ ts_double dist[2];
+ //This will hold all the information of vtx and its neighbours
+ ts_vertex backupvtx;
+ ts_bond backupbond[2];
+ memcpy((void *)&backupvtx,(void *)vtx,sizeof(ts_vertex));
+
+ //random move in a sphere with radius stepsize:
+ r=vesicle->stepsize*rn[0];
+ phi=rn[1]*2*M_PI;
+ costheta=2*rn[2]-1;
+ sintheta=sqrt(1-pow(costheta,2));
+ vtx->x=vtx->x+r*sintheta*cos(phi);
+ vtx->y=vtx->y+r*sintheta*sin(phi);
+ vtx->z=vtx->z+r*costheta;
+
+
+ //distance with neighbours check
+ for(i=0;i<vtx->bond_no;i++){
+ dist[i]=vtx_distance_sq(vtx->bond[i]->vtx1,vtx->bond[i]->vtx2);
+ if(dist[i]<1.0 || dist[i]>vesicle->dmax) {
+ vtx=memcpy((void *)vtx,(void *)&backupvtx,sizeof(ts_vertex));
+ return TS_FAIL;
+ }
+ }
+
+
+ //self avoidance check with distant vertices
+ cellidx=vertex_self_avoidance(vesicle, vtx);
+ //check occupation number
+ retval=cell_occupation_number_and_internal_proximity(vesicle->clist,cellidx,vtx);
+
+ if(retval==TS_FAIL){
+ vtx=memcpy((void *)vtx,(void *)&backupvtx,sizeof(ts_vertex));
+ return TS_FAIL;
+ }
+
+ //backup bonds
+ for(i=0;i<vtx->bond_no;i++){
+ memcpy(&backupbond[i],vtx->bond[i], sizeof(ts_bond));
+ vtx->bond[i]->bond_length=sqrt(dist[i]);
+ bond_vector(vtx->bond[i]);
+
+ }
+
+ //if all the tests are successful, then energy for vtx and neighbours is calculated
+// delta_energy=0;
+/* for(i=0;i<vtx->neigh_no;i++){
+// memcpy((void *)&backupbond[i],(void *)vtx->bond[i],sizeof(ts_bond));
+ xp = vtx->neigh[i]
+ vtx->bond[i]->bond_length=sqrt(vtx_distance_sq(vtx->bond[i]->vtx1,vtx->bond[i]->vtx2));
+ bond_energy(vtx->bond[i],poly);
+ delta_energy+= vtx->bond[i]->energy - backupbond[i].energy;
+ }
+
+ if(vtx==poly->vlist->vtx[0]){
+ delta_energy+=
+ (pow(sqrt(vtx_distance_sq(vtx, poly->grafted_vtx)-1),2)-
+ pow(sqrt(vtx_distance_sq(&backupvtx, poly->grafted_vtx)-1),2)) *poly->k;
+
+ }
+
+
+ if(delta_energy>=0){
+#ifdef TS_DOUBLE_DOUBLE
+ if(exp(-delta_energy)< drand48() )
+#endif
+#ifdef TS_DOUBLE_FLOAT
+ if(expf(-delta_energy)< (ts_float)drand48())
+#endif
+#ifdef TS_DOUBLE_LONGDOUBLE
+ if(expl(-delta_energy)< (ts_ldouble)drand48())
+#endif
+ {
+ //not accepted, reverting changes
+ vtx=memcpy((void *)vtx,(void *)&backupvtx,sizeof(ts_vertex));
+ for(i=0;i<vtx->bond_no;i++){
+ vtx->bond[i]=memcpy((void *)vtx->bond[i],(void *)&backupbond[i],sizeof(ts_bond));
+ }
+
+ return TS_FAIL;
+ }
+ }
+
+*/
+// oldcellidx=vertex_self_avoidance(vesicle, &backupvtx[0]);
+ if(vtx->cell!=vesicle->clist->cell[cellidx]){
+ retval=cell_add_vertex(vesicle->clist->cell[cellidx],vtx);
+// if(retval==TS_SUCCESS) cell_remove_vertex(vesicle->clist->cell[oldcellidx],vtx);
+ if(retval==TS_SUCCESS) cell_remove_vertex(backupvtx.cell,vtx);
+ }
+// if(oldcellidx);
+ //END MONTE CARLOOOOOOO
+ return TS_SUCCESS;
+}
--
Gitblit v1.9.3