Beispiel #1
0
    def faceGrad(self):
        r"""
        Return :math:`\nabla \phi` as a rank-1 `FaceVariable` using differencing
        for the normal direction(second-order gradient).
        """
        if not hasattr(self, '_faceGrad'):
            from fipy.variables.faceGradVariable import _FaceGradVariable
            self._faceGrad = _FaceGradVariable(self)

        return self._faceGrad
Beispiel #2
0
    def faceGrad(self):
        r"""
        Return :math:`\nabla \phi` as a rank-1 `FaceVariable` using differencing
        for the normal direction(second-order gradient).
        """
        if not hasattr(self, '_faceGrad'):
            from fipy.variables.faceGradVariable import _FaceGradVariable
            self._faceGrad = _FaceGradVariable(self)

        return self._faceGrad