def CalculateOneAdaptiveTimeStep(self,state,flux,t,dt,scale,dynamics):
if self.PIStepsizeControl == True:
performedTimeStep, nextTimeStep, time, state, errmax = NumericalMethods.rkqs(state,flux,t,dt,self.eps,scale,dynamics,
self.PIStepsizeControl,self.pre_errmax)
self.pre_errmax = errmax
return performedTimeStep, nextTimeStep, time, state
else:
return NumericalMethods.rkqs(state,flux,t,dt,self.eps,scale,dynamics)
def CalculateOneAdaptiveTimeStep(self,state,flux,t,dt,scale,dynamics):
correction = self.SymmetricCorrection(state)
if self.PIStepsizeControl == True:
performedTimeStep, nextTimeStep, time, newstate, errmax = NumericalMethods.rkqs(state,flux,t,dt,self.eps,scale,dynamics,
self.PIStepsizeControl,self.pre_errmax)
self.pre_errmax = errmax
return performedTimeStep, nextTimeStep, time, newstate+correction
else:
performedTimeStep, nextTimeStep, time, newstate = NumericalMethods.rkqs(state,flux,t,dt,self.eps,scale,dynamics)
return performedTimeStep, nextTimeStep, time, newstate+correction
def CalculateOneAdaptiveTimeStep(self,state,flux,t,dt,scale,dynamics):
if self.PIStepsizeControl == True:
performedTimeStep, nextTimeStep, time, newstate, errmax = NumericalMethods.rkqs(state,flux,t,dt,self.eps,scale,dynamics,
self.PIStepsizeControl,self.pre_errmax)
self.pre_errmax = errmax
if self.CheckInstability(newstate) == False:
FieldInitializer.SaveNumpyFileFromState(newstate,self.filename)
self.stop = True
return performedTimeStep, nextTimeStep, time, newstate
else:
performedTimeStep, nextTimeStep, time, newstate = NumericalMethods.rkqs(state,flux,t,dt,self.eps,scale,dynamics)
if self.CheckInstability(newstate) == False:
FieldInitializer.SaveNumpyFileFromState(newstate,self.filename)
self.stop = True
return performedTimeStep, nextTimeStep, time, newstate
def CalculateOneFixedTimeStep(self,state,flux,t,dt,dynamics):
newState, error = NumericalMethods.rkck(state,flux,t,dt,dynamics)
self.FourierRegularize(newState, dt)
return newState
def CalculateOneFixedTimeStep(self,state,flux,t,dt,dynamics):
correction = self.SymmetricCorrection(state)
newState, error = NumericalMethods.rkck(state,flux,t,dt,dynamics)
return newState+correction
def CalculateOneFixedTimeStep(self,state,flux,t,dt,dynamics):
newState, error = NumericalMethods.rkck(state,flux,t,dt,dynamics)
return newState
