Tibeuleu/KozaiLidov
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remove dimensionless Ga

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This commit is contained in:
Thibault Barnouin
2022-01-18 10:39:58 +01:00
parent 2715244837
commit e10b4a380c
5 changed files with 16 additions and 17 deletions
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8
lib/hermite.py
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@@ -17,7 +17,7 @@ def Update_a(dyn_syst): # update acceleration of bodies in system
for otherbody in dyn_syst.bodylist:
if body != otherbody:
rij = np.linalg.norm(body.q - otherbody.q)
body.a = body.a - (body.q - otherbody.q) * Ga * otherbody.m / (rij ** 3)
body.a = body.a - (body.q - otherbody.q) * G * otherbody.m / (rij ** 3)
def Update_j(dyn_syst): # update jerk of bodies in system
@@ -29,7 +29,7 @@ def Update_j(dyn_syst): # update jerk of bodies in system
deltav = (body.v - otherbody.v)
deltar = (body.q - otherbody.q)
vr = deltav + 3. * deltar * np.inner(deltav, deltar) / (rij ** 2)
body.j = body.j - Ga * otherbody.m / (rij ** 3) * vr
body.j = body.j - G * otherbody.m / (rij ** 3) * vr
def Predict(dyn_syst, dt): # update predicted position and velocities of bodies in system
@@ -44,7 +44,7 @@ def Update_ap(dyn_syst): # update acceleration of bodies in system
for otherbody in dyn_syst.bodylist:
if body != otherbody:
rij = np.linalg.norm(body.qp - otherbody.qp)
body.ap = body.ap - (body.qp - otherbody.qp) * Ga * otherbody.m / (rij ** 3)
body.ap = body.ap - (body.qp - otherbody.qp) * G * otherbody.m / (rij ** 3)
def Update_jp(dyn_syst): # update jerk of bodies in system
@@ -56,7 +56,7 @@ def Update_jp(dyn_syst): # update jerk of bodies in system
deltav = (body.vp - otherbody.vp)
deltar = (body.qp - otherbody.qp)
vr = deltav + 3. * deltar * np.inner(deltav, deltar) / (rij ** 2)
body.jp = body.jp - Ga * otherbody.m / (rij ** 3) * vr
body.jp = body.jp - G * otherbody.m / (rij ** 3) * vr
def Correct(dyn_syst, dt): # correct position and velocities of bodies in system