SyFi
0.3
|
Public Member Functions | |
def | __init__ |
def | compute_basis_functions |
def | N |
def | dof |
def | nbf |
Public Attributes | |
Ns | |
dofs | |
polygon |
Python implementation of the Crouzeix-Raviart element. The corresponding C++ implementation is in the file CrouzeixRaviart.cpp.
Definition at line 11 of file crouzeixraviart.py.
def demos.crouzeixraviart.CrouzeixRaviart.__init__ | ( | self, | |
polygon | |||
) |
Constructor
Definition at line 18 of file crouzeixraviart.py.
Compute the basis functions and degrees of freedom and put them in Ns and dofs, respectively.
Definition at line 25 of file crouzeixraviart.py.
References SyFi.bernstein(), SyFi::CrouzeixRaviart.compute_basis_functions(), SyFi.dirac(), demos.crouzeixraviart.CrouzeixRaviart.dofs, and SyFi::StandardFE.dofs.
00025 00026 def compute_basis_functions(self): 00027 """ 00028 Compute the basis functions and degrees of freedom 00029 and put them in Ns and dofs, respectively. 00030 """ 00031 polspace = bernstein(1,triangle,"a") 00032 N = polspace[0] 00033 variables = polspace[1] 00034 00035 for i in range(0,3): 00036 line = triangle.line(i) 00037 dofi = line.integrate(N) 00038 self.dofs.append(dofi) 00039 00040 for i in range(0,3): 00041 equations = [] 00042 for j in range(0,3): 00043 equations.append(relational(self.dofs[j], dirac(i,j))) 00044 sub = lsolve(equations, variables) 00045 Ni = N.subs(sub) 00046 self.Ns.append(Ni);
def demos.crouzeixraviart.CrouzeixRaviart.dof | ( | self, | |
i | |||
) |
Definition at line 48 of file crouzeixraviart.py.
References SyFi::StandardFE.dof().
def demos.crouzeixraviart.CrouzeixRaviart.N | ( | self, | |
i | |||
) |
Definition at line 47 of file crouzeixraviart.py.
References SyFi::StandardFE.N().
def demos.crouzeixraviart.CrouzeixRaviart.nbf | ( | self | ) |
Definition at line 49 of file crouzeixraviart.py.
References SyFi::StandardFE.nbf(), demos.crouzeixraviart.CrouzeixRaviart.Ns, and SyFi::StandardFE.Ns.
Definition at line 18 of file crouzeixraviart.py.
Referenced by demos.crouzeixraviart.CrouzeixRaviart.compute_basis_functions().
Definition at line 18 of file crouzeixraviart.py.
Referenced by demos.crouzeixraviart.CrouzeixRaviart::nbf().
demos::crouzeixraviart.CrouzeixRaviart::polygon |
Definition at line 18 of file crouzeixraviart.py.