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global damping is added to the code

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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
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21
src/Integration/AdamsBashforth4/AdamsBashforth4.cpp
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@ -36,7 +36,8 @@ bool intAllActive(
realx3PointField_D& dy,
realx3PointField_D& dy1,
realx3PointField_D& dy2,
realx3PointField_D& dy3)
realx3PointField_D& dy3,
real damping = 1.0)
{
auto d_dy = dy.deviceView();
@ -50,12 +51,12 @@ bool intAllActive(
"AdamsBashforth3::correct",
rpIntegration (activeRng.start(), activeRng.end()),
LAMBDA_HD(uint32 i){
d_y[i] += dt*(
d_y[i] = damping *(d_y[i] + dt*(
static_cast<real>(55.0 / 24.0) * d_dy[i]
- static_cast<real>(59.0 / 24.0) * d_dy1[i]
+ static_cast<real>(37.0 / 24.0) * d_dy2[i]
- static_cast<real>( 9.0 / 24.0) * d_dy3[i]
);
));
d_dy3[i] = d_dy2[i];
d_dy2[i] = d_dy1[i];
d_dy1[i] = d_dy[i];
@ -72,7 +73,8 @@ bool intScattered
realx3PointField_D& dy,
realx3PointField_D& dy1,
realx3PointField_D& dy2,
realx3PointField_D& dy3
realx3PointField_D& dy3,
real damping = 1.0
)
{
@ -90,12 +92,12 @@ bool intScattered
LAMBDA_HD(uint32 i){
if( activeP(i))
{
d_y[i] += dt*(
d_y[i] = damping* ( d_y[i] + dt*(
static_cast<real>(55.0 / 24.0) * d_dy[i]
- static_cast<real>(59.0 / 24.0) * d_dy1[i]
+ static_cast<real>(37.0 / 24.0) * d_dy2[i]
- static_cast<real>( 9.0 / 24.0) * d_dy3[i]
);
));
d_dy3[i] = d_dy2[i];
d_dy2[i] = d_dy1[i];
d_dy1[i] = d_dy[i];
@ -147,18 +149,19 @@ bool pFlow::AdamsBashforth4::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(), dy3());
success = intAllActive(dt, y.field(), dy, dy1(), dy2(), dy3(), damping);
}
else
{
success = intScattered(dt, y.field(), dy, dy1(), dy2(), dy3());
success = intScattered(dt, y.field(), dy, dy1(), dy2(), dy3(), damping);
}
success = success && boundaryList().correct(dt, y, dy);

3
src/Integration/AdamsBashforth4/AdamsBashforth4.hpp
View File

@ -96,7 +96,8 @@ public:
bool correct(
real dt,
realx3PointField_D& y,
realx3PointField_D& dy) override;
realx3PointField_D& dy,
real damping = 1.0) override;
bool correctPStruct(
real dt,