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Commit 22caaae8 authored by Cristian Lalescu's avatar Cristian Lalescu
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Merge branch 'feature/p2p_rod_typos' into develop

parents c0b35df6 05c25b36
Pipeline #89388 passed with stages
in 15 minutes and 40 seconds
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cpp/particles/p2p/p2p_ghost_collisions.hpp
View file @ 22caaae8
......@@ -218,7 +218,7 @@ public:
real_number /*rhs_part2*/[],
const real_number dist_pow2,
const real_number /*cutoff*/,
const real_number xseparation,
const real_number xseparation, /* This separation is x1-x2 */
const real_number yseparation,
const real_number zseparation){
switch(this->current_particle_shape)
......@@ -245,13 +245,13 @@ public:
/* p and q are the orientation vectors of the first and second particles. */
/* pq, xp, xq are scalar products of these vectors with x, relative position */
pq = pos_part1[3] * pos_part2[3] + pos_part1[4] * pos_part2[4] + pos_part1[5] * pos_part2[5];
xp = x * pos_part1[3] + y * pos_part1[4] + z * pos_part1[5];
xq = x * pos_part2[3] + y * pos_part2[4] + z * pos_part2[5];
pq = pos_part1[IDXC_X+3] * pos_part2[IDXC_X+3] + pos_part1[IDXC_Y+3] * pos_part2[IDXC_Y+3] + pos_part1[IDXC_Z+3] * pos_part2[IDXC_Z+3];
xp = x * pos_part1[IDXC_X+3] + y * pos_part1[IDXC_Y+3] + z * pos_part1[IDXC_Z+3];
xq = x * pos_part2[IDXC_X+3] + y * pos_part2[IDXC_Y+3] + z * pos_part2[IDXC_Z+3];
/* t and s parametrize the two rods. Find min distance: */
assert(this->cylinder_length > 0);
t = 2.0/(this->cylinder_length*(pq*pq-1.0))*(-xp+pq*xq);
s = 2.0/(this->cylinder_length*(pq*pq-1.0))*(-pq*xp+xq);
t = 2.0/(this->cylinder_length*(pq*pq-1.0))*(xp-pq*xq);
s = 2.0/(this->cylinder_length*(pq*pq-1.0))*(pq*xp-xq);
/* Test if -1<s<1 and -1<t<1 */
if( abs(t)<=1.0 and abs(s)<=1.0 )
{
......@@ -266,7 +266,7 @@ public:
min_distance = this->cylinder_length;
/* t fixed at 1, find min along s */
t = 1.0;
s = t*pq-2.0/this->cylinder_length*xq;
s = t*pq+2.0/this->cylinder_length*xq;
if( abs(s)>1.0 ) { s = s / abs(s) ;}
x_dist = this->cylinder_length*0.5*t*pos_part1[IDXC_X+3]-this->cylinder_length*0.5*s*pos_part2[IDXC_X+3]+x;
y_dist = this->cylinder_length*0.5*t*pos_part1[IDXC_Y+3]-this->cylinder_length*0.5*s*pos_part2[IDXC_Y+3]+y;
......@@ -274,7 +274,7 @@ public:
min_distance = fmin( sqrt(x_dist*x_dist+y_dist*y_dist+z_dist*z_dist), min_distance );
/* t fixed at -1, find min along s */
t = -1.0;
s = t*pq-2.0/this->cylinder_length*xq;
s = t*pq+2.0/this->cylinder_length*xq;
if( abs(s)>1.0 ) { s = s / abs(s) ;}
x_dist = this->cylinder_length*0.5*t*pos_part1[IDXC_X+3]-this->cylinder_length*0.5*s*pos_part2[IDXC_X+3]+x;
y_dist = this->cylinder_length*0.5*t*pos_part1[IDXC_Y+3]-this->cylinder_length*0.5*s*pos_part2[IDXC_Y+3]+y;
......@@ -282,7 +282,7 @@ public:
min_distance = fmin( sqrt(x_dist*x_dist+y_dist*y_dist+z_dist*z_dist), min_distance );
/* s fixed at 1, find min along t */
s = 1.0;
t = s*pq+2.0/this->cylinder_length*xp;
t = s*pq-2.0/this->cylinder_length*xp;
if( abs(t)>1.0 ) { t = t / abs(t) ;}
x_dist = this->cylinder_length*0.5*t*pos_part1[IDXC_X+3]-this->cylinder_length*0.5*s*pos_part2[IDXC_X+3]+x;
y_dist = this->cylinder_length*0.5*t*pos_part1[IDXC_Y+3]-this->cylinder_length*0.5*s*pos_part2[IDXC_Y+3]+y;
......@@ -290,7 +290,7 @@ public:
min_distance = fmin( sqrt(x_dist*x_dist+y_dist*y_dist+z_dist*z_dist), min_distance );
/* s fixed at -1, find min along t */
s = -1.0;
t = s*pq+2.0/this->cylinder_length*xp;
t = s*pq-2.0/this->cylinder_length*xp;
if( abs(t)>1.0 ) { t = t / abs(t) ;}
x_dist = this->cylinder_length*0.5*t*pos_part1[IDXC_X+3]-this->cylinder_length*0.5*s*pos_part2[IDXC_X+3]+x;
y_dist = this->cylinder_length*0.5*t*pos_part1[IDXC_Y+3]-this->cylinder_length*0.5*s*pos_part2[IDXC_Y+3]+y;
......
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