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F74939250
compute_verlet_integration.cc
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Created
Tue, Jul 30, 12:19
Size
1 KB
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text/x-c
Expires
Thu, Aug 1, 12:19 (1 d, 21 h)
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blob
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Raw Data
Handle
19459122
Attached To
R7571 SP4E-TB-TL-FR
compute_verlet_integration.cc
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#include "compute_verlet_integration.hh"
ComputeVerletIntegration
::
ComputeVerletIntegration
(
Real
dt
)
:
dt
(
dt
)
{}
/* -------------------------------------------------------------------------- */
void
ComputeVerletIntegration
::
setDeltaT
(
Real
dt
)
{
this
->
dt
=
dt
;
}
/* -------------------------------------------------------------------------- */
void
ComputeVerletIntegration
::
compute
(
System
&
system
)
{
// Perfom Verlet integration for all the particles
for
(
UInt
i
=
0
;
i
<
system
.
getNbParticles
();
i
++
){
// Get particle
Particle
&
ptc
=
system
.
getParticle
(
i
);
// Update values
ptc
.
getVelocity
()
+=
this
->
dt
*
ptc
.
getForce
()
/
(
2.
*
ptc
.
getMass
());
ptc
.
getPosition
()
+=
this
->
dt
*
ptc
.
getVelocity
();
// Compute forces TO IMPLEMENT
ptc
.
getVelocity
()
+=
this
->
dt
*
ptc
.
getForce
()
/
(
2.
*
ptc
.
getMass
());
}
// Set first particle to position and velocity = {0,0,0} to simulate the sun
system
.
getParticle
(
0
).
getVelocity
()
=
0.0
;
system
.
getParticle
(
0
).
getPosition
()
=
0.0
;
}
/* -------------------------------------------------------------------------- */
void
ComputeVerletIntegration
::
addInteraction
(
std
::
shared_ptr
<
ComputeInteraction
>
interaction
)
{
}
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