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debugg hermite and force use of longdouble type

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Thibault Barnouin
2021-12-03 15:55:37 +01:00
parent 700b3b6c64
commit 34f9ed6ec7
26 changed files with 62 additions and 62 deletions
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32
main.py
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@@ -11,28 +11,28 @@ from lib.units import *
def main():
#initialisation
m = np.array([1., 1., 1e-5])*Ms/Ms # Masses in Solar mass
a = np.array([1., 1., 5.])*au/au # Semi-major axis in astronomical units
e = np.array([0., 0., 1./4.]) # Eccentricity
psi = np.array([0., 0., 0.])*np.pi/180. # Inclination of the orbital plane in degrees
m = np.array([1., 1., 1e-1],dtype=np.longdouble)*Ms/Ms # Masses in Solar mass
a = np.array([1., 1., 5.],dtype=np.longdouble)*au/au # Semi-major axis in astronomical units
e = np.array([0., 0., 0.],dtype=np.longdouble) # Eccentricity
psi = np.array([0., 0., 0.],dtype=np.longdouble)*np.pi/180. # Inclination of the orbital plane in degrees
x1 = np.array([0., -1., 0.])*a[0]*(1.+e[0])
x2 = np.array([0., 1., 0.])*a[1]*(1.+e[1])
x3 = np.array([np.cos(psi[2]), 0., np.sin(psi[2])])*a[2]*(1.+e[2])
q = np.array([x1, x2, x3])
x1 = np.array([0., -1., 0.],dtype=np.longdouble)*a[0]*(1.+e[0])
x2 = np.array([0., 1., 0.],dtype=np.longdouble)*a[1]*(1.+e[1])
x3 = np.array([np.cos(psi[2]), 0., np.sin(psi[2])],dtype=np.longdouble)*a[2]*(1.+e[2])
q = np.array([x1, x2, x3],dtype=np.longdouble)
v1 = np.array([np.sqrt(Ga*m[0]*m[1]/((m[0]+m[1])*np.sqrt(np.sum((q[0]-q[1])**2)))), 0., 0.])
v2 = np.array([-np.sqrt(Ga*m[0]*m[1]/((m[0]+m[1])*np.sqrt(np.sum((q[0]-q[1])**2)))), 0., 0.])
v3 = np.array([0., np.sqrt(Ga*(m[0]+m[1])*(2./np.sqrt(np.sum(q[2]**2))-1./a[2])), 0.])
v = np.array([v1, v2, v3])
v1 = np.array([np.sqrt(Ga*m[0]*m[1]/((m[0]+m[1])*np.sqrt(np.sum((q[0]-q[1])**2)))), 0., 0.],dtype=np.longdouble)
v2 = np.array([-np.sqrt(Ga*m[0]*m[1]/((m[0]+m[1])*np.sqrt(np.sum((q[0]-q[1])**2)))), 0., 0.],dtype=np.longdouble)
v3 = np.array([0., np.sqrt(Ga*(m[0]+m[1])*(2./np.sqrt(np.sum(q[2]**2))-1./a[2])), 0.],dtype=np.longdouble)
v = np.array([v1, v2, v3],dtype=np.longdouble)
#integration parameters
duration, step = 100*yr/yr, np.array([1./(365.25*2.), 1./(365.25*1.), 5./(365.25*1.)])*yr/yr #integration time and step in years
step = np.sort(step)
integrator = "leapfrog"
duration, step = 100*yr/yr, np.array([1./(365.25*2.), 1./(365.25*1.), 5./(365.25*1.)],dtype=np.longdouble)*yr/yr #integration time and step in years
step = np.sort(step)[::-1]
integrator = "hermite"
n_bodies = 3
display = False
savename = "{0:d}bodies_mass_{1:s}".format(n_bodies, integrator)
savename = "{0:d}bodies_{1:s}".format(n_bodies, integrator)
#simulation start
E, L = [], []