/[escript]/trunk/escript/py_src/flows.py
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revision 1660 by gross, Fri Jul 18 02:28:13 2008 UTC revision 1661 by gross, Mon Jul 21 22:08:27 2008 UTC
# Line 63  class StokesProblemCartesian_DC(Homogene Line 63  class StokesProblemCartesian_DC(Homogene
63           self.vol=util.integrate(1.,Function(self.domain))           self.vol=util.integrate(1.,Function(self.domain))
64           self.__pde_u=LinearPDE(domain,numEquations=self.domain.getDim(),numSolutions=self.domain.getDim())           self.__pde_u=LinearPDE(domain,numEquations=self.domain.getDim(),numSolutions=self.domain.getDim())
65           self.__pde_u.setSymmetryOn()           self.__pde_u.setSymmetryOn()
66           self.__pde_u.setSolverMethod(preconditioner=LinearPDE.ILU0)           # self.__pde_u.setSolverMethod(preconditioner=LinearPDE.ILU0)
67                            
68           self.__pde_proj=LinearPDE(domain,numEquations=1,numSolutions=1)           # self.__pde_proj=LinearPDE(domain,numEquations=1,numSolutions=1)
69           self.__pde_proj.setReducedOrderOn()           # self.__pde_proj.setReducedOrderOn()
70           self.__pde_proj.setSymmetryOn()           # self.__pde_proj.setSymmetryOn()
71           # self.__pde_proj.setSolverMethod(LinearPDE.LUMPING)           # self.__pde_proj.setSolverMethod(LinearPDE.LUMPING)
72    
73        def initialize(self,f=Data(),fixed_u_mask=Data(),eta=1,surface_stress=Data()):        def initialize(self,f=Data(),fixed_u_mask=Data(),eta=1,surface_stress=Data()):
# Line 81  class StokesProblemCartesian_DC(Homogene Line 81  class StokesProblemCartesian_DC(Homogene
81          # self.__inv_eta=util.interpolate(self.eta,ReducedFunction(self.domain))          # self.__inv_eta=util.interpolate(self.eta,ReducedFunction(self.domain))
82          self.__pde_u.setValue(A=A*self.eta,q=fixed_u_mask,Y=f,y=surface_stress)          self.__pde_u.setValue(A=A*self.eta,q=fixed_u_mask,Y=f,y=surface_stress)
83    
84          self.__pde_proj.setValue(D=1/eta)          # self.__pde_proj.setValue(D=1/eta)
85          self.__pde_proj.setValue(Y=1.)          # self.__pde_proj.setValue(Y=1.)
86          self.__inv_eta=util.interpolate(self.__pde_proj.getSolution(),ReducedFunction(self.domain))          # self.__inv_eta=util.interpolate(self.__pde_proj.getSolution(),ReducedFunction(self.domain))
87            self.__inv_eta=util.interpolate(self.eta,ReducedFunction(self.domain))
88    
89        def B(self,arg):        def B(self,arg):
90           a=util.div(arg, ReducedFunction(self.domain))           a=util.div(arg, ReducedFunction(self.domain))
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