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Account for different volumes #246

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16 changes: 8 additions & 8 deletions PyTCI/models/base.py
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Original file line number Diff line number Diff line change
Expand Up @@ -54,18 +54,18 @@ def wait_time(self, time_seconds):
def one_second(self):
""" time steps must be one second for accurate modelling """

x1k10 = self.x1 * self.k10
x1k12 = self.x1 * self.k12
x1k13 = self.x1 * self.k13
x2k21 = self.x2 * self.k21
x3k31 = self.x3 * self.k31
dx1dt = ((self.k21*self.x2*self.v2 + self.k31*self.x3*self.v3) \
- (self.k10*self.x1*self.v1 + self.k12*self.x1*self.v1 + self.k13*self.x1*self.v1)) \
/ self.v1
dx2dt = (self.k12*self.x1*self.v1 - self.k21*self.x2*self.v2) / self.v2
dx3dt = (self.k13*self.x1*self.v1 - self.k31*self.x3*self.v3) / self.v3

xk1e = self.x1 * self.keo
xke1 = self.xeo * self.keo

self.x1 = self.x1 + (x2k21 - x1k12 + x3k31 - x1k13 - x1k10)
self.x2 = self.x2 + (x1k12 - x2k21)
self.x3 = self.x3 + (x1k13 - x3k31)
self.x1 += dx1dt
self.x2 += dx2dt
self.x3 += dx3dt

self.xeo = self.xeo + (xk1e - xke1)

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