From d43116b7d609fa9cabae4068d037c1af3a20dae8 Mon Sep 17 00:00:00 2001
From: Samo Penic <samo.penic@gmail.com>
Date: Thu, 08 Aug 2019 17:42:46 +0000
Subject: [PATCH] An attempt to fix polymer error while recreating vesicle from vtu.

---
 src/bondflip.c |   19 ++++++++++++++++---
 1 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/src/bondflip.c b/src/bondflip.c
index bb6bd33..13ec263 100644
--- a/src/bondflip.c
+++ b/src/bondflip.c
@@ -1,3 +1,4 @@
+/* vim: set ts=4 sts=4 sw=4 noet : */
 #include<stdlib.h>
 #include<math.h>
 #include "general.h"
@@ -167,6 +168,7 @@
   oldenergy+=kp->xk* kp->energy;
   oldenergy+=km->xk* km->energy;
   oldenergy+=it->xk* it->energy;
+  oldenergy+=bond->energy; /* attraction with neighboring vertices, that have spontaneous curvature */
   //Neigbours of k, it, km, kp don't change its energy.
 
 	if(vesicle->pswitch == 1 || vesicle->tape->constvolswitch>0){dvol = -lm->volume - lp->volume;}
@@ -174,9 +176,8 @@
 /*    vesicle_volume(vesicle);
     fprintf(stderr,"Volume in the beginning=%1.16e\n", vesicle->volume);
 */
-
 /* fix data structure for flipped bond */
-    ts_flip_bond(k,it,km,kp, bond,lm, lp, lm2, lp1);
+    ts_flip_bond(k,it,km,kp, bond,lm, lp, lm2, lp1, vesicle->tape->w);
 
 
 /* Calculating the new energy */
@@ -185,7 +186,14 @@
   delta_energy+=kp->xk* kp->energy;
   delta_energy+=km->xk* km->energy;
   delta_energy+=it->xk* it->energy;
+  delta_energy+=bond->energy; /* attraction with neighboring vertices, that have spontaneous curvature */
   //Neigbours of k, it, km, kp don't change its energy.
+	if(vesicle->tape->stretchswitch==1){
+		oldenergy+=lm->energy+lp->energy;
+		stretchenergy(vesicle,lm);
+		stretchenergy(vesicle,lp);
+		delta_energy+=lm->energy+lp->energy;
+	}
 
     delta_energy-=oldenergy;
 	if(vesicle->pswitch == 1 || vesicle->tape->constvolswitch>0){
@@ -331,6 +339,10 @@
 //		fprintf(stderr,"Restoration complete!!!\n");
 //    vesicle_volume(vesicle);
 //    fprintf(stderr,"Volume after fail=%1.16e\n", vesicle->volume);
+	if(vesicle->tape->stretchswitch==1){
+		stretchenergy(vesicle,lm);
+		stretchenergy(vesicle,lp);
+	}
 
 		return TS_FAIL;
         }
@@ -368,7 +380,7 @@
 
 
 ts_bool ts_flip_bond(ts_vertex *k,ts_vertex *it,ts_vertex *km, ts_vertex *kp,
-ts_bond *bond, ts_triangle *lm, ts_triangle *lp, ts_triangle *lm2, ts_triangle *lp1){
+ts_bond *bond, ts_triangle *lm, ts_triangle *lp, ts_triangle *lm2, ts_triangle *lp1, ts_double w_energy){
 
     ts_uint i; //lmidx, lpidx;
 if(k==NULL || it==NULL || km==NULL || kp==NULL){
@@ -434,6 +446,7 @@
   energy_vertex(kp);
   energy_vertex(km);
   energy_vertex(it);
+  attraction_bond_energy(bond, w_energy);
 // END modifications to data structure!
     return TS_SUCCESS;
 }

--
Gitblit v1.9.3