Package esys :: Package modellib :: Module temperature :: Class TemperatureAdvection
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Type TemperatureAdvection

    object --+            
             |            
LinkableObject --+        
                 |        
      ParameterSet --+    
                     |    
                 Model --+
                         |
                        TemperatureAdvection


The conservation of internal heat energy is given by

ρ c_p ( dT/dt+v[j]*grad(T)[j])-grad(\kappa grad(T)_{,i}=Q

n_i\kappa T_{,i}=0

it is assummed that ho c_p is constant in time.

solved by Taylor Galerkin method
Method Summary
  __init__(self, debug)
  doInitialization(self)
Initializes the time stepping scheme.
  doStepPostprocessing(self, dt)
perform taylor galerkin step
  G(self, T, alpha)
tangential operator for taylor galerikin
  getSafeTimeStepSize(self, dt)
returns new step size
    Inherited from Model
  __str__(self)
  doFinalization(self)
Finalizes the time stepping.
  doStep(self, dt)
Executes an iteration step at a time step.
  doStepPreprocessing(self, dt)
Sets up a time step of step size dt.
  finalize(self)
Returns False if the time stepping is finalized.
  terminateIteration(self)
Returns True if iteration on a time step is terminated.
  toDom(self, document, node)
toDom method of Model class
  writeXML(self, ostream)
Writes the object as an XML object into an output stream.
    Inherited from ParameterSet
  __delattr__(self, name)
Removes the attribute name.
  __iter__(self)
Creates an iterator over the parameter and their values.
  __repr__(self)
  declareParameter(self, **parameters)
Declares a new parameter(s) and its (their) initial value.
  declareParameters(self, parameters)
Declares a set of parameters.
  fromDom(cls, doc)
(Class method)
  releaseParameters(self, name)
Removes parameter name from the paramameters.
  showParameters(self)
Returns a descrition of the parameters.
    Inherited from LinkableObject
  __getattr__(self, name)
Returns the value of attribute name.
  __setattr__(self, name, value)
Sets the value for attribute name.
  getAttributeObject(self, name)
Return the object stored for attribute name.
  hasAttribute(self, name)
Returns True if self as attribute name.
  trace(self, msg)
If debugging is on, print the message, otherwise do nothing
    Inherited from object
  __getattribute__(...)
x.__getattribute__('name') <==> x.name
  __hash__(x)
x.__hash__() <==> hash(x)
  __new__(T, S, ...)
T.__new__(S, ...) -> a new object with type S, a subtype of T
  __reduce__(...)
helper for pickle
  __reduce_ex__(...)
helper for pickle

Class Variable Summary
    Inherited from Model
float UNDEF_DT = 1.0000000000000001e+300                                               
    Inherited from LinkableObject
count number_sequence = <itertools.count object at 0x401ff100>

Instance Method Details

doInitialization(self)

Initializes the time stepping scheme.

This function may be overwritten.
Overrides:
esys.escript.modelframe.Model.doInitialization (inherited documentation)

doStepPostprocessing(self, dt)

perform taylor galerkin step
Overrides:
esys.escript.modelframe.Model.doStepPostprocessing

G(self, T, alpha)

tangential operator for taylor galerikin

getSafeTimeStepSize(self, dt)

returns new step size
Overrides:
esys.escript.modelframe.Model.getSafeTimeStepSize

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