From 08559613e0fe7c23d329092679a2ff347a92ff4f Mon Sep 17 00:00:00 2001
From: Samo Penic <samo.penic@gmail.com>
Date: Tue, 25 Dec 2018 22:29:07 +0000
Subject: [PATCH] Added idea for tape files
---
src/vertexmove.c | 40 +++++++++++++++++++++++++++++++++++-----
1 files changed, 35 insertions(+), 5 deletions(-)
diff --git a/src/vertexmove.c b/src/vertexmove.c
index 5a51c10..eec552e 100644
--- a/src/vertexmove.c
+++ b/src/vertexmove.c
@@ -72,21 +72,31 @@
// TODO: Maybe faster if checks only nucleus-neighboring cells
// Nucleus penetration check:
-#define SQ(x) x*x
+//#define SQ(x) x*x
if(vesicle->R_nucleus>0.0){
- if (SQ(vtx->x-vesicle->nucleus_center[0])+ SQ(vtx->y-vesicle->nucleus_center[1]) + SQ(vtx->z-vesicle->nucleus_center[2]) < vesicle->R_nucleus){
+ if ((vtx->x-vesicle->nucleus_center[0])*(vtx->x-vesicle->nucleus_center[0])+ (vtx->y-vesicle->nucleus_center[1])*(vtx->y-vesicle->nucleus_center[1]) + (vtx->z-vesicle->nucleus_center[2])*(vtx->z-vesicle->nucleus_center[2]) < vesicle->R_nucleus){
vtx=memcpy((void *)vtx,(void *)&backupvtx[0],sizeof(ts_vertex));
return TS_FAIL;
}
} else if(vesicle->R_nucleusX>0.0){
// fprintf(stderr,"DEBUG, (Rx, Ry,Rz)^2=(%f,%f,%f)\n",vesicle->R_nucleusX, vesicle->R_nucleusY, vesicle->R_nucleusZ);
- if (SQ(vtx->x-vesicle->nucleus_center[0])/vesicle->R_nucleusX + SQ(vtx->y-vesicle->nucleus_center[1])/vesicle->R_nucleusY + SQ(vtx->z-vesicle->nucleus_center[2])/vesicle->R_nucleusZ < 1.0){
+// if (SQ(vtx->x-vesicle->nucleus_center[0])/vesicle->R_nucleusX + SQ(vtx->y-vesicle->nucleus_center[1])/vesicle->R_nucleusY + SQ(vtx->z-vesicle->nucleus_center[2])/vesicle->R_nucleusZ < 1.0){
+ if ((vtx->x-vesicle->nucleus_center[0])*(vtx->x-vesicle->nucleus_center[0])/vesicle->R_nucleusX + (vtx->y-vesicle->nucleus_center[1])*(vtx->y-vesicle->nucleus_center[1])/vesicle->R_nucleusY + (vtx->z-vesicle->nucleus_center[2])*(vtx->z-vesicle->nucleus_center[2])/vesicle->R_nucleusZ < 1.0){
+// if (SQ(vtx->x)/vesicle->R_nucleusX + SQ(vtx->y)/vesicle->R_nucleusY + SQ(vtx->z)/vesicle->R_nucleusZ < 1.0){
vtx=memcpy((void *)vtx,(void *)&backupvtx[0],sizeof(ts_vertex));
return TS_FAIL;
}
}
-#undef SQ
+
+ // plane confinement check whether the new position of vertex will be out of bounds
+ if(vesicle->tape->plane_confinement_switch){
+ if(vtx->z>vesicle->confinement_plane.z_max || vtx->z<vesicle->confinement_plane.z_min){
+ vtx=memcpy((void *)vtx,(void *)&backupvtx[0],sizeof(ts_vertex));
+ return TS_FAIL;
+ }
+ }
+//#undef SQ
//self avoidance check with distant vertices
cellidx=vertex_self_avoidance(vesicle, vtx);
//check occupation number
@@ -113,7 +123,8 @@
}
delta_energy=0;
-
+
+
// vesicle_volume(vesicle);
// fprintf(stderr,"Volume in the beginning=%1.16e\n", vesicle->volume);
@@ -187,6 +198,8 @@
delta_energy+=delta_energy_cv;
// fprintf(stderr,"Denergy after=%e\n",delta_energy);
}
+/* Vertices with spontaneous curvature may have spontaneous force perpendicular to the surface of the vesicle. additional delta energy is calculated in this function */
+ delta_energy+=direct_force_energy(vesicle,vtx,backupvtx);
/* No poly-bond energy for now!
if(vtx->grafted_poly!=NULL){
delta_energy+=
@@ -194,8 +207,25 @@
pow(sqrt(vtx_distance_sq(&backupvtx[0], vtx->grafted_poly->vlist->vtx[0])-1),2)) *vtx->grafted_poly->k;
}
*/
+
+// plane confinement energy due to compressing force
+ if(vesicle->tape->plane_confinement_switch){
+ if(vesicle->confinement_plane.force_switch){
+ //substract old energy
+ if(abs(vesicle->tape->plane_d/2.0-vesicle->confinement_plane.z_max)>1e-10) {
+ delta_energy-=vesicle->tape->plane_F / pow(vesicle->confinement_plane.z_max-backupvtx[0].z,2);
+ delta_energy+=vesicle->tape->plane_F / pow(vesicle->confinement_plane.z_max-vtx->z,2);
+ }
+ if(abs(-vesicle->tape->plane_d/2.0-vesicle->confinement_plane.z_min)>1e-10) {
+ delta_energy-=vesicle->tape->plane_F / pow(vesicle->confinement_plane.z_min-backupvtx[0].z,2);
+ delta_energy+=vesicle->tape->plane_F / pow(vesicle->confinement_plane.z_min-vtx->z,2);
+ }
+ }
+ }
+
// fprintf(stderr, "DE=%f\n",delta_energy);
//MONTE CARLOOOOOOOO
+// if(vtx->c!=0.0) printf("DE=%f\n",delta_energy);
if(delta_energy>=0){
#ifdef TS_DOUBLE_DOUBLE
if(exp(-delta_energy)< drand48())
--
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