| | |
| | | ts_uint i; |
| | | ts_bool retval; |
| | | ts_uint cellidx; |
| | | ts_double delta_energy, oenergy,dstretchenergy=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]; // *constvol_vtx_moved=NULL, *constvol_vtx_backup=NULL; |
| | | ts_vertex backupvtx[20]; |
| | | memcpy((void *)&backupvtx[0],(void *)vtx,sizeof(ts_vertex)); |
| | | |
| | | //random move in a sphere with radius stepsize: |
| | |
| | | } |
| | | |
| | | /* Entry point for plugin vm_energy_before_prepare() */ |
| | | |
| | | 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); |
| | |
| | | } |
| | | /* End of vm_energy_before_prepare() */ |
| | | |
| | | //stretching energy 1 of 3 |
| | | if(vesicle->tape->stretchswitch==1){ |
| | | for(i=0;i<vtx->tristar_no;i++) dstretchenergy-=vtx->tristar[i]->energy; |
| | | } |
| | | delta_energy=0; |
| | | |
| | | //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]); |
| | | oenergy=vtx->energy; |
| | | energy_vertex(vtx); |
| | | delta_energy=vtx->xk*(vtx->energy - oenergy); |
| | | //the same is done for neighbouring vertices |
| | | for(i=0;i<vtx->neigh_no;i++){ |
| | | oenergy=vtx->neigh[i]->energy; |
| | | energy_vertex(vtx->neigh[i]); |
| | | delta_energy+=vtx->neigh[i]->xk*(vtx->neigh[i]->energy-oenergy); |
| | | } |
| | | |
| | | energy_vertex(vtx); |
| | | delta_energy=vtx->xk*(vtx->energy - oenergy); |
| | | //the same is done for neighbouring vertices |
| | | for(i=0;i<vtx->neigh_no;i++){ |
| | | oenergy=vtx->neigh[i]->energy; |
| | | energy_vertex(vtx->neigh[i]); |
| | | delta_energy+=vtx->neigh[i]->xk*(vtx->neigh[i]->energy-oenergy); |
| | | } |
| | | |
| | | /* 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); |
| | | 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() */ |
| | | |
| | | |
| | | /* 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); |
| | | |
| | | //stretching energy 2 of 3 |
| | | if(vesicle->tape->stretchswitch==1){ |
| | | for(i=0;i<vtx->tristar_no;i++){ |
| | | stretchenergy(vesicle, vtx->tristar[i]); |
| | | dstretchenergy+=vtx->tristar[i]->energy; |
| | | } |
| | | } |
| | | |
| | | delta_energy+=dstretchenergy; |
| | | |
| | | /* No poly-bond energy for now! |
| | | if(vtx->grafted_poly!=NULL){ |
| | | delta_energy+= |
| | |
| | | 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); |
| | | } |
| | | } |
| | | } |
| | | |
| | | |
| | | /* Entry point for plugin vm_before_montecarlo_constraint() function */ |
| | |
| | | |
| | | //update the normals of triangles that share bead i. |
| | | for(i=0;i<vtx->tristar_no;i++) triangle_normal_vector(vtx->tristar[i]); |
| | | |
| | | //stretching energy 3 of 3 |
| | | if(vesicle->tape->stretchswitch==1){ |
| | | for(i=0;i<vtx->tristar_no;i++){ |
| | | stretchenergy(vesicle,vtx->tristar[i]); |
| | | } |
| | | } |
| | | |
| | | |
| | | |
| | | /* Entry point for plugin vm_before_montecarlo_constraint() function */ |