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Modify main.py for single step length, concurrent.py to multiple steps

This commit is contained in:
Thibault Barnouin
2022-01-14 13:14:45 +01:00
parent 70439889db
commit 5f57052726
8 changed files with 17 additions and 26 deletions

View File

@@ -55,15 +55,16 @@ def main():
elif integrator.lower() in ['hermite','herm']:
future_ELae.append(exe.submit(hermite, bodysyst[i][1], bodysyst[i][0], duration, step0, recover_param=True, display=display, savename=savename, gif=gif))
E, L, sma, ecc = [], [], [], []
E, L, sma, ecc, phi = [], [], [], [], []
for future in future_ELae:
E0, L0, sma0, ecc0 = future.result()
E0, L0, sma0, ecc0, phi0 = future.result()
E.append(E0)
L.append(L0)
sma.append(sma0)
ecc.append(ecc0)
phi.append(phi0)
parameters = [duration, step, dyn_syst, integrator]
display_parameters(E, L, sma, ecc, parameters=parameters, savename=savename)
display_parameters(E, L, sma, ecc, phi, parameters=parameters, savename=savename)
return 0
if __name__ == '__main__':

36
main.py
View File

@@ -12,7 +12,7 @@ from lib.units import *
def main():
#initialisation
m = np.array([1., 1., 1e-1],dtype=np.longdouble)*Ms#/Ms # Masses in Solar mass
a = np.array([0.75, 0.75, 5.],dtype=np.longdouble)*au#/au # Semi-major axis in astronomical units
a = np.array([1., 1., 5.5],dtype=np.longdouble)*au#/au # Semi-major axis in astronomical units
e = np.array([0., 0., 0.25],dtype=np.longdouble) # Eccentricity
psi = np.array([0., 0., 80.],dtype=np.longdouble)*np.pi/180. # Inclination of the orbital plane in degrees
@@ -27,8 +27,7 @@ def main():
v = np.array([v1, v2, v3],dtype=np.longdouble)
#integration parameters
duration, step = 5000*yr, np.array([30./1.*86400.],dtype=np.longdouble) #integration time and step in seconds
step = np.sort(step)[::-1]
duration, step = 5000*yr, np.longdouble(1./2.*86400.) #integration time and step in seconds
integrator = "leapfrog"
n_bodies = 3
display = False
@@ -36,28 +35,19 @@ def main():
savename = "{0:d}bodies_{1:s}".format(n_bodies, integrator)
#simulation start
E, L, ecc, sma, phi = [], [], [], [], []
for i,step0 in enumerate(step):
bodylist = []
for j in range(n_bodies):
bodylist.append(Body(m[j], q[j], v[j]))
bin_syst = System(bodylist[0:2])
dyn_syst = System(bodylist, main=True)
bodylist = []
for j in range(n_bodies):
bodylist.append(Body(m[j], q[j], v[j]))
bin_syst = System(bodylist[0:2])
dyn_syst = System(bodylist, main=True)
if i != 0:
display = False
if integrator.lower() in ['leapfrog', 'frogleap', 'frog']:
E0, L0, sma0, ecc0, phi0 = leapfrog(dyn_syst, bin_syst, duration, step0, recover_param=True, display=display, savename=savename, gif=gif)
elif integrator.lower() in ['hermite','herm']:
E0, L0, sma0, ecc0, phi0 = hermite(dyn_syst, bin_syst, duration, step0, recover_param=True, display=display, savename=savename, gif=gif)
E.append(E0)
L.append(L0)
ecc.append(ecc0)
sma.append(sma0)
phi.append(phi0)
if integrator.lower() in ['leapfrog', 'frogleap', 'frog']:
E, L, sma, ecc, phi = leapfrog(dyn_syst, bin_syst, duration, step, recover_param=True, display=display, savename=savename, gif=gif)
elif integrator.lower() in ['hermite','herm']:
E, L, sma, ecc, phi = hermite(dyn_syst, bin_syst, duration, step, recover_param=True, display=display, savename=savename, gif=gif)
parameters = [duration, step, dyn_syst, integrator]
display_parameters(E, L, sma, ecc, phi, parameters=parameters, savename=savename) #take the mean value of sma/ecc on given time interval (up to one period)
parameters = [duration, [step], dyn_syst, integrator]
display_parameters([E], [L], [sma], [ecc], [phi], parameters=parameters, savename=savename) #take the mean value of sma/ecc on given time interval (up to one period)
# np.convolve(sma, np.ones(int(period/step)))/int(period/step) -> moving average on the period duration
return 0

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