def create_equations(self):
equations = [
Group(equations=[
LiuFluidForce(
dest='fluid',
sources=None,
),
XSPHCorrection(dest='fluid', sources=[
'fluid',
]),
TaitEOS(dest='fluid',
sources=None,
rho0=1000,
c0=1498,
gamma=7.0),
],
real=False),
Group(equations=[
ContinuityEquation(dest='fluid', sources=[
'fluid',
]),
MomentumEquation(dest='fluid',
sources=['fluid'],
alpha=0.1,
beta=0.0,
c0=1498,
gy=-9.81),
XSPHCorrection(dest='fluid', sources=['fluid']),
]),
]
return equations
def create_equations(self):
equations = [
Group(equations=[
BodyForce(dest='cube', sources=None, gy=-9.81),
SummationDensity(dest='cube', sources=['fluid', 'cube'])
],
real=False),
Group(equations=[
TaitEOSHGCorrection(dest='cube',
sources=None,
rho0=self.solid_rho,
c0=self.co,
gamma=7.0),
TaitEOSHGCorrection(dest='fluid',
sources=None,
rho0=self.ro,
c0=self.co,
gamma=7.0),
TaitEOSHGCorrection(dest='tank',
sources=None,
rho0=self.ro,
c0=self.co,
gamma=7.0),
],
real=False),
Group(equations=[
ContinuityEquation(
dest='fluid',
sources=['fluid', 'tank', 'cube'],
),
ContinuityEquation(
dest='tank',
sources=['fluid', 'tank', 'cube'],
),
MomentumEquation(dest='fluid',
sources=['fluid', 'tank', 'cube'],
alpha=self.alpha,
beta=0.0,
c0=self.co,
gy=-9.81),
LiuFluidForce(
dest='fluid',
sources=['cube'],
),
XSPHCorrection(dest='fluid', sources=['fluid', 'tank']),
]),
Group(equations=[
RigidBodyCollision(dest='cube', sources=['tank'], kn=1e5)
]),
Group(equations=[RigidBodyMoments(dest='cube', sources=None)]),
Group(equations=[RigidBodyMotion(dest='cube', sources=None)]),
]
return equations
def create_equations(self):
eqns = self.scheme.get_equations()
eqn1 = Group(equations=[
BodyForce(dest='cube', sources=None, gy=-9.81),
RigidBodyCollision(dest='cube', sources=['wall', 'cube'],
kn=1.0e5, en=0.8),
LiuFluidForce(dest='fluid', sources=['cube'])], real=False)
eqn2 = Group(equations=[
GroupParticles('cube', xmin=0.0, xmax=4.0, periodic_in_x=True)],
real=False)
eqn3 = Group(equations=[
RigidBodyMoments(dest='cube', sources=None)], real=False)
eqn4 = Group(equations=[
RigidBodyMotion(dest='cube', sources=None)], real=False)
eqns.append(eqn1)
eqns.append(eqn2)
eqns.append(eqn3)
eqns.append(eqn4)
return eqns
def create_equations(self):
eqns = self.scheme.get_equations()
eqn1 = Group(equations=[
BodyForce(dest='obstacle', sources=None, gy=-9.81),
RigidBodyCollision(dest='obstacle',
sources=['wall'],
kn=1.0e4,
en=0.8)
],
real=False)
eqn2 = Group(
equations=[LiuFluidForce(dest='fluid', sources=['obstacle'])])
eqn3 = Group(
equations=[RigidBodyMoments(dest='obstacle', sources=None)])
eqn4 = Group(
equations=[RigidBodyMotion(dest='obstacle', sources=None)])
eqns.append(eqn1)
eqns.append(eqn2)
eqns.append(eqn3)
eqns.append(eqn4)
return eqns
def create_equations(self):
equations = [
Group(
equations=[
BodyForce(dest='cube', sources=None, gy=-9.81),
BodyForce(dest='wood', sources=None, gy=-9.81),
BodyForce(dest='small_tank', sources=None, gy=-9.81),
BodyForce(dest='outside', sources=None, gy=-9.81),
SummationDensity(dest='cube', sources=['fluid', 'cube']),
SummationDensity(dest='wood', sources=['fluid', 'wood']),
SummationDensity(dest='small_tank',
sources=['fluid', 'small_tank']),
SummationDensity(dest='outside',
sources=['fluid', 'outside'])
# NumberDensity(dest='cube', sources=['cube']),
],
real=False),
Group(equations=[
TaitEOSHGCorrection(dest='wood',
sources=None,
rho0=self.wood_rho,
c0=self.co,
gamma=7.0),
TaitEOSHGCorrection(dest='cube',
sources=None,
rho0=self.solid_rho,
c0=self.co,
gamma=7.0),
TaitEOSHGCorrection(dest='fluid',
sources=None,
rho0=self.ro,
c0=self.co,
gamma=7.0),
TaitEOSHGCorrection(dest='big_tank',
sources=None,
rho0=self.ro,
c0=self.co,
gamma=7.0),
TaitEOSHGCorrection(dest='small_tank',
sources=None,
rho0=self.wood_rho,
c0=self.co,
gamma=7.0),
TaitEOSHGCorrection(dest='outside',
sources=None,
rho0=self.ro,
c0=self.co,
gamma=7.0),
],
real=False),
Group(equations=[
ContinuityEquation(
dest='fluid',
sources=[
'fluid', 'small_tank', 'cube', 'wood', 'big_tank',
'outside'
],
),
ContinuityEquation(
dest='big_tank',
sources=[
'fluid', 'big_tank', 'cube', 'wood', 'small_tank',
'outside'
],
),
MomentumEquation(dest='fluid',
sources=['fluid', 'big_tank'],
alpha=self.alpha,
beta=0.0,
c0=self.co,
gy=-9.81),
LiuFluidForce(
dest='fluid',
sources=['cube'],
),
LiuFluidForce(
dest='fluid',
sources=['wood'],
),
LiuFluidForce(
dest='fluid',
sources=['small_tank'],
),
LiuFluidForce(
dest='fluid',
sources=['outside'],
),
# PressureRigidBody(dest='fluid', sources=['cube'],
# rho0=1500),
XSPHCorrection(dest='fluid', sources=['fluid', 'big_tank']),
]),
Group(equations=[
RigidBodyCollision(
dest='cube',
sources=['big_tank', 'wood', 'small_tank', 'outside'],
kn=1e6)
]),
Group(equations=[RigidBodyMoments(dest='cube', sources=None)]),
Group(equations=[RigidBodyMotion(dest='cube', sources=None)]),
Group(equations=[
RigidBodyCollision(
dest='wood',
sources=['big_tank', 'cube', 'small_tank', 'outside'],
kn=1e6)
]),
Group(equations=[RigidBodyMoments(dest='wood', sources=None)]),
Group(equations=[RigidBodyMotion(dest='wood', sources=None)]),
Group(equations=[
RigidBodyCollision(
dest='small_tank',
sources=['big_tank', 'cube', 'wood', 'outside'],
kn=1e6)
]),
Group(
equations=[RigidBodyMoments(dest='small_tank', sources=None)]),
Group(
equations=[RigidBodyMotion(dest='small_tank', sources=None)]),
Group(equations=[
RigidBodyCollision(
dest='outside',
sources=['big_tank', 'cube', 'small_tank', 'wood'],
kn=1e6)
]),
Group(equations=[RigidBodyMoments(dest='outside', sources=None)]),
Group(equations=[RigidBodyMotion(dest='outside', sources=None)]),
]
return equations