33 lines
699 B
Python
33 lines
699 B
Python
#!/usr/bin/python3
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### koda za generiranje rezultatov za seminar
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import numpy as np
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import matplotlib.pyplot as plt
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from matplotlib import rc
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rc('font',**{'family':'serif','serif':['Computer Modern']})
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rc('text', usetex=True)
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from boris import *
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Rz = 6378137 # radii zemlje [m]
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q = e
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m = m_pr
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K = 1e7 # kineticna energija 10MeV
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K = K*e # v Jouleih
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get_v0 = lambda K: c*np.sqrt(1-1/(K/(m*c**2)+1)**2)
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x0 = np.array([4*Rz,0.,0.])
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vpad = 30
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v0 = get_v0(K)*np.array([0., np.sin(vpad*np.pi/180), np.cos(vpad*np.pi/180)])
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E = lambda x: np.array([0.,0.,0.]) # elektricno polje je nula
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dt = 1e-3
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tsim = 20
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X, V = boris(x0, v0, E, B_zemlja, dt, tsim, q=q,m=m)
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plot3(X/Rz,enote="Rz", zemlja=True)
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