Tibeuleu/KozaiLidov
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revert with old dimensions

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This commit is contained in:
Thibault Barnouin
2021-11-18 20:10:14 +01:00
parent ff1c46df71
commit e076127f6d
6 changed files with 10 additions and 10 deletions
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4
lib/objects.py
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@@ -23,10 +23,10 @@ class Body:
self.vp = np.zeros(3)
def __repr__(self): # Called upon "print(body)"
return r"Body of mass: {0:.2f} $M_\odot$, position: {1}, velocity: {2}".format(self.m, self.q, self.v)
return r"Body of mass: {0:.2f} $M_\odot$, position: {1}, velocity: {2}".format(self.m/Ms, self.q, self.v)
def __str__(self): # Called upon "str(body)"
return r"Body of mass: {0:.2f} $M_\odot$".format(self.m)
return r"Body of mass: {0:.2f} $M_\odot$".format(self.m/Ms)
class System(Body):

6
lib/plots.py
View File

@@ -110,12 +110,12 @@ def display_parameters(E,L,parameters,savename=""):
bodies = ""
for body in dyn_syst.bodylist:
bodies += str(body)+" ; "
title = "Relative difference of the {0:s} "+"for a system composed of {0:s}\n integrated with {1:s} for a duration of {2:.2f} years ".format(bodies, integrator, duration)
title = "Relative difference of the {0:s} "+"for a system composed of {0:s}\n integrated with {1:s} for a duration of {2:.2f} years ".format(bodies, integrator, duration/yr)
fig1 = plt.figure(figsize=(15,7))
ax1 = fig1.add_subplot(111)
for i in range(len(E)):
ax1.plot(np.arange(E[i].shape[0])*step[i], np.abs((E[i]-E[i][0])/E[i][0]), label="step of {0:.2e}yr".format(step[i]))
ax1.plot(np.arange(E[i].shape[0])*step[i]/yr, np.abs((E[i]-E[i][0])/E[i][0]), label="step of {0:.2e}yr".format(step[i]/yr))
ax1.set(xlabel=r"$t (yr)$", ylabel=r"$\left|\frac{\delta E_m}{E_m(t=0)}\right|$", yscale='log')
ax1.legend()
fig1.suptitle(title.format("mechanical energy"))
@@ -126,7 +126,7 @@ def display_parameters(E,L,parameters,savename=""):
for i in range(len(L)):
dL = ((L[i]-L[i][0])/L[i][0])
dL[np.isnan(dL)] = 0.
ax2.plot(np.arange(L[i].shape[0])*step[i], np.abs(np.sum(dL,axis=1)), label="step of {0:.2e}yr".format(step[i]))
ax2.plot(np.arange(L[i].shape[0])*step[i]/yr, np.abs(np.sum(dL,axis=1)), label="step of {0:.2e}yr".format(step[i]/yr))
ax2.set(xlabel=r"$t (yr)$", ylabel=r"$\left|\frac{\delta \vec{L}}{\vec{L}(t=0)}\right|$",yscale='log')
ax2.legend()
fig2.suptitle(title.format("kinetic moment"))

2
lib/units.py
View File

@@ -4,7 +4,7 @@
Units used in the project.
"""
globals()['G'] = 6.67e-11 #Gravitational constant in SI units
globals()['Ms'] = 2e30 #Solar mass in kg
globals()['au'] = 1.5e11 #Astronomical unit in m
globals()['yr'] = 3.15576e7 #year in seconds
globals()['G'] = 6.67e-11*yr**2 #Gravitational constant in SI units