예제 #1
0
파일: physics.py 프로젝트: tbetcke/PyPWDG
    def load(self, collapseload = True):
        ''' The load vector (due to the boundary conditions)'''            
        delta = self.delta
        dik = delta / (1j * self.k)
        B = self.B
        # todo - check the cross terms.  Works okay with delta = 1/2.  
        GB = self.loadassembly.assemble([[(1-delta) * B, (1-delta) *B], 
                                    [-dik* B,     -dik *B]])
#        GB = self.loadassembly.assemble([[-(1-delta) * B, (1-delta) *B], 
#                                    [dik* B,     -dik *B]])
        

#        print 'GB', self.entity, GB.tocsr()
        
        return pms.sumrhs(self.mesh, GB) if collapseload else pms.sumleftfaces(self.mesh,GB)
예제 #2
0
파일: mortar.py 프로젝트: tbetcke/PyPWDG
    def __init__(self, compinfo, skelcompinfo, skelftob, sd, tracebc):
        self.volumeassembly = skelcompinfo.volumeAssembly()
        self.traceassembly = compinfo.faceAssembly(compinfo.faceVandermondes(skelftob))
        self.sd = sd
        self.EM = pms.ElementMatrices(skelcompinfo.problem.mesh)
        self.sumleft = lambda G: pms.sumleftfaces(compinfo.problem.mesh, G)
        self.tracebc = tracebc
        #        skeletob = skelcompinfo.basis
        #        indicesandsizes = np.vstack((skeletob.getIndices()[:-1], skeletob.getSizes())).T
        #        localindicesandsizes = indicesandsizes[np.array(self.EM.I.diagonal(), dtype=bool)]
        etob = compinfo.basis
        indicesandsizes = np.vstack((etob.getIndices()[:-1], etob.getSizes())).T
        localindicesandsizes = indicesandsizes[compinfo.problem.mesh.partition]

        self.idxs = np.concatenate([np.arange(i, i + s, dtype=int) for (i, s) in localindicesandsizes])
예제 #3
0
파일: physics.py 프로젝트: tbetcke/PyPWDG
 def trace(self):
     ''' projects onto the space spanned by the bdyinfo '''
     return pms.sumleftfaces(self.mesh, )