xfygogo/phasicFlow
1
0
Fork 0
mirror of https://github.com/PhasicFlow/phasicFlow.git synced 2025-07-08 03:07:03 +00:00
Code Issues Packages Projects Releases Wiki Activity

global damping is added to the code

Browse Source
This commit is contained in:
Hamidreza Norouzi
2025-01-20 21:02:50 +03:30
parent cb1faf04f8
commit 2ec3dfdc7e
14 changed files with 255 additions and 30 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
src/Integration/AdamsBashforth3/AdamsBashforth3.cpp
View File

@ -35,7 +35,8 @@ bool intAllActive(
realx3Field_D& y,
realx3PointField_D& dy,
realx3PointField_D& dy1,
realx3PointField_D& dy2)
realx3PointField_D& dy2,
real damping = 1.0)
{
auto d_dy = dy.deviceView();
@ -48,9 +49,9 @@ bool intAllActive(
"AdamsBashforth3::correct",
rpIntegration (activeRng.start(), activeRng.end()),
LAMBDA_HD(uint32 i){
d_y[i] += dt*( static_cast<real>(23.0 / 12.0) * d_dy[i]
d_y[i] = damping*( d_y[i]+ dt*( static_cast<real>(23.0 / 12.0) * d_dy[i]
- static_cast<real>(16.0 / 12.0) * d_dy1[i]
+ static_cast<real>(5.0 / 12.0) * d_dy2[i]);
+ static_cast<real>(5.0 / 12.0) * d_dy2[i]) );
d_dy2[i] = d_dy1[i];
d_dy1[i] = d_dy[i];
@ -67,7 +68,8 @@ bool intScattered
realx3Field_D& y,
realx3PointField_D& dy,
realx3PointField_D& dy1,
realx3PointField_D& dy2
realx3PointField_D& dy2,
real damping = 1.0
)
{
@ -84,9 +86,9 @@ bool intScattered
LAMBDA_HD(uint32 i){
if( activeP(i))
{
d_y[i] += dt*( static_cast<real>(23.0 / 12.0) * d_dy[i]
d_y[i] = damping * (d_y[i] + dt*( static_cast<real>(23.0 / 12.0) * d_dy[i]
- static_cast<real>(16.0 / 12.0) * d_dy1[i]
+ static_cast<real>(5.0 / 12.0) * d_dy2[i]);
+ static_cast<real>(5.0 / 12.0) * d_dy2[i]));
d_dy2[i] = d_dy1[i];
d_dy1[i] = d_dy[i];
@ -141,18 +143,19 @@ bool pFlow::AdamsBashforth3::correct
(
real dt,
realx3PointField_D& y,
realx3PointField_D& dy
realx3PointField_D& dy,
real damping
)
{
bool success = false;
if(y.isAllActive())
{
success = intAllActive(dt, y.field(), dy, dy1(), dy2());
success = intAllActive(dt, y.field(), dy, dy1(), dy2(), damping);
}
else
{
success = intScattered(dt, y.field(), dy, dy1(), dy2());
success = intScattered(dt, y.field(), dy, dy1(), dy2(), damping);
}
success = success && boundaryList().correct(dt, y, dy);