From 2c4278db6ead5c27e30a3000097ed898c968534e Mon Sep 17 00:00:00 2001
From: Samo Penic <samo.penic@gmail.com>
Date: Sat, 09 Mar 2019 19:45:22 +0000
Subject: [PATCH] Added direct force plugin and fixes in stretching energy
---
src/vertexmove.c | 177 +++++++++++++++++++++++++++++++++-------------------------
1 files changed, 101 insertions(+), 76 deletions(-)
diff --git a/src/vertexmove.c b/src/vertexmove.c
index da8e70f..362b895 100644
--- a/src/vertexmove.c
+++ b/src/vertexmove.c
@@ -1,3 +1,4 @@
+/* vim: set ts=4 sts=4 sw=4 noet : */
#include<stdlib.h>
#include<math.h>
#include "general.h"
@@ -8,87 +9,60 @@
#include "energy.h"
#include "timestep.h"
#include "cell.h"
-//#include "io.h"
+#include "io.h"
#include<stdio.h>
#include "vertexmove.h"
#include <string.h>
+#include "constvol.h"
+#include "plugins.h"
ts_bool single_verticle_timestep(ts_vesicle *vesicle,ts_vertex *vtx,ts_double *rn){
ts_uint i;
- ts_double dist;
ts_bool retval;
ts_uint cellidx;
- ts_double delta_energy,oenergy,dvol=0.0;
+ ts_double delta_energy, oenergy;
ts_double costheta,sintheta,phi,r;
//This will hold all the information of vtx and its neighbours
- ts_vertex backupvtx[20];
- memcpy((void *)&backupvtx[0],(void *)vtx,sizeof(ts_vertex));
+ ts_vertex backupvtx[20]; // *constvol_vtx_moved=NULL, *constvol_vtx_backup=NULL;
+ memcpy((void *)&backupvtx[0],(void *)vtx,sizeof(ts_vertex));
- //Some stupid tests for debugging cell occupation!
-/* cellidx=vertex_self_avoidance(vesicle, vtx);
- if(vesicle->clist->cell[cellidx]==vtx->cell){
- fprintf(stderr,"Idx match!\n");
- } else {
- fprintf(stderr,"***** Idx don't match!\n");
- fatal("ENding.",1);
- }
-*/
-
- //temporarly moving the vertex
-// vtx->x=vtx->x+vesicle->stepsize*(2.0*rn[0]-1.0);
-// vtx->y=vtx->y+vesicle->stepsize*(2.0*rn[1]-1.0);
-// vtx->z=vtx->z+vesicle->stepsize*(2.0*rn[2]-1.0);
-
- //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;
+ //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->neigh_no;i++){
- dist=vtx_distance_sq(vtx,vtx->neigh[i]);
- if(dist<1.0 || dist>vesicle->dmax) {
- vtx=memcpy((void *)vtx,(void *)&backupvtx[0],sizeof(ts_vertex));
- return TS_FAIL;
+/* Entry point for plugin vm_hard_constraint() function */
+ vesicle->plist->pointer=vesicle->plist->chain->vm_hard_constraint;
+ while(vesicle->plist->pointer!=NULL){
+ retval = vesicle->plist->pointer->plugin->function->vm_hard_constraint(vesicle,vtx, &backupvtx[0]);
+ if(retval==TS_FAIL){
+ vtx=memcpy((void *)vtx,(void *)&backupvtx[0],sizeof(ts_vertex));
+ return TS_FAIL;
}
- }
-
-// Distance with grafted poly-vertex check:
- if(vtx->grafted_poly!=NULL){
- dist=vtx_distance_sq(vtx,vtx->grafted_poly->vlist->vtx[0]);
- if(dist<1.0 || dist>vesicle->dmax) {
- vtx=memcpy((void *)vtx,(void *)&backupvtx[0],sizeof(ts_vertex));
- return TS_FAIL;
- }
+ vesicle->plist->pointer=vesicle->plist->pointer->next;
}
+/* End of vm_hard_constraint() */
- //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[0],sizeof(ts_vertex));
- return TS_FAIL;
- }
-
-
- //if all the tests are successful, then energy for vtx and neighbours is calculated
+/* Backuping the neighbours */
for(i=0;i<vtx->neigh_no;i++){
memcpy((void *)&backupvtx[i+1],(void *)vtx->neigh[i],sizeof(ts_vertex));
}
- if(vesicle->pswitch == 1){
- for(i=0;i<vtx->tristar_no;i++) dvol-=vtx->tristar[i]->volume;
- };
+/* Entry point for plugin vm_energy_before_prepare() */
- delta_energy=0;
- //update the normals of triangles that share bead i.
+ vesicle->plist->pointer=vesicle->plist->chain->vm_energy_before_prepare;
+ while(vesicle->plist->pointer!=NULL){
+ vesicle->plist->pointer->plugin->function->vm_energy_before_prepare(vesicle, vtx);
+ vesicle->plist->pointer=vesicle->plist->pointer->next;
+ }
+/* End of vm_energy_before_prepare() */
+
+//update the normals of triangles that share bead i.
for(i=0;i<vtx->tristar_no;i++) triangle_normal_vector(vtx->tristar[i]);
oenergy=vtx->energy;
energy_vertex(vtx);
@@ -100,10 +74,15 @@
delta_energy+=vtx->neigh[i]->xk*(vtx->neigh[i]->energy-oenergy);
}
- if(vesicle->pswitch == 1){
- for(i=0;i<vtx->tristar_no;i++) dvol+=vtx->tristar[i]->volume;
- delta_energy-=vesicle->pressure*dvol;
- };
+/* Entry point for plugin vm_energy_after_execute() */
+
+ vesicle->plist->pointer=vesicle->plist->chain->vm_energy_after_execute;
+ while(vesicle->plist->pointer!=NULL){
+ delta_energy+=vesicle->plist->pointer->plugin->function->vm_energy_after_execute(vesicle, vtx, backupvtx);
+ vesicle->plist->pointer=vesicle->plist->pointer->next;
+ }
+/* End of vm_energy_after_execute() */
+
/* No poly-bond energy for now!
if(vtx->grafted_poly!=NULL){
@@ -112,11 +91,33 @@
pow(sqrt(vtx_distance_sq(&backupvtx[0], vtx->grafted_poly->vlist->vtx[0])-1),2)) *vtx->grafted_poly->k;
}
*/
+
+
+/* Entry point for plugin vm_before_montecarlo_constraint() function */
+ vesicle->plist->pointer=vesicle->plist->chain->vm_before_montecarlo_constraint;
+ while(vesicle->plist->pointer!=NULL){
+ retval = vesicle->plist->pointer->plugin->function->vm_before_montecarlo_constraint(vesicle,vtx, &backupvtx[0]);
+ if(retval==TS_FAIL){
+ vtx=memcpy((void *)vtx,(void *)&backupvtx[0],sizeof(ts_vertex));
+ for(i=0;i<vtx->neigh_no;i++){
+ vtx->neigh[i]=memcpy((void *)vtx->neigh[i],(void *)&backupvtx[i+1],sizeof(ts_vertex));
+ }
+ for(i=0;i<vtx->tristar_no;i++) triangle_normal_vector(vtx->tristar[i]);
+ return TS_FAIL;
+ }
+ vesicle->plist->pointer=vesicle->plist->pointer->next;
+ }
+/* End of vm_before_montecarlo_constraint() */
+
+
+
+
+
// fprintf(stderr, "DE=%f\n",delta_energy);
//MONTE CARLOOOOOOOO
if(delta_energy>=0){
#ifdef TS_DOUBLE_DOUBLE
- if(exp(-delta_energy)< drand48() )
+ if(exp(-delta_energy)< drand48())
#endif
#ifdef TS_DOUBLE_FLOAT
if(expf(-delta_energy)< (ts_float)drand48())
@@ -125,30 +126,48 @@
if(expl(-delta_energy)< (ts_ldouble)drand48())
#endif
{
- //not accepted, reverting changes
+/*************************************************** MC step rejected **************************************************************/
vtx=memcpy((void *)vtx,(void *)&backupvtx[0],sizeof(ts_vertex));
for(i=0;i<vtx->neigh_no;i++){
vtx->neigh[i]=memcpy((void *)vtx->neigh[i],(void *)&backupvtx[i+1],sizeof(ts_vertex));
}
- //update the normals of triangles that share bead i.
- for(i=0;i<vtx->tristar_no;i++) triangle_normal_vector(vtx->tristar[i]);
+ //update the normals of triangles that share bead i.
+ for(i=0;i<vtx->tristar_no;i++) triangle_normal_vector(vtx->tristar[i]);
+
+
+/* Entry point for plugin vm_before_montecarlo_constraint() function */
+ vesicle->plist->pointer=vesicle->plist->chain->vm_new_state_rejected;
+ while(vesicle->plist->pointer!=NULL){
+ vesicle->plist->pointer->plugin->function->vm_new_state_rejected(vesicle,vtx, &backupvtx[0]);
+ vesicle->plist->pointer=vesicle->plist->pointer->next;
+ }
+/* End of vm_before_montecarlo_constraint() */
+
return TS_FAIL;
}
}
-
-// oldcellidx=vertex_self_avoidance(vesicle, &backupvtx[0]);
+/*************************************************** MC step accepted **************************************************************/
+ cellidx=vertex_self_avoidance(vesicle, vtx);
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[0].cell,vtx);
-
+ if(retval==TS_SUCCESS) cell_remove_vertex(backupvtx[0].cell,vtx);
}
-// if(oldcellidx);
- //END MONTE CARLOOOOOOO
+
+/* Entry point for plugin vm_before_montecarlo_constraint() function */
+ vesicle->plist->pointer=vesicle->plist->chain->vm_new_state_accepted;
+ while(vesicle->plist->pointer!=NULL){
+ vesicle->plist->pointer->plugin->function->vm_new_state_accepted(vesicle,vtx, &backupvtx[0]);
+ vesicle->plist->pointer=vesicle->plist->pointer->next;
+ }
+/* End of vm_before_montecarlo_constraint() */
+
return TS_SUCCESS;
}
+
+
+
ts_bool single_poly_vertex_move(ts_vesicle *vesicle,ts_poly *poly,ts_vertex *vtx,ts_double *rn){
@@ -291,12 +310,18 @@
}
}
+// TODO: Maybe faster if checks only nucleus-neighboring cells
+// Nucleus penetration check:
+ if (vtx->x*vtx->x + vtx->y*vtx->y + vtx->z*vtx->z < vesicle->R_nucleus){
+ 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;
--
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