def __init__(self, cell, degree):
if Citations is not None:
Citations().register("Arbogast2017")
# These elements only known currently on quads
assert isinstance(cell, UFCQuadrilateral)
self._cell = cell
self._degree = degree
self._deriv_cache = {}
def __init__(self, cell, degree):
if Citations is not None:
Citations().register("Arnold2003")
super(ArnoldWintherNC, self).__init__(FIAT.ArnoldWintherNC(cell, degree))
def __init__(self, cell, degree):
if degree != 3:
raise ValueError("Degree must be 3 for Hermite element")
if Citations is not None:
Citations().register("Ciarlet1972")
super().__init__(FIAT.CubicHermite(cell))
def __init__(self, cell, degree):
if Citations is not None:
Citations().register("Mardal2002")
super(MardalTaiWinther, self).__init__(FIAT.MardalTaiWinther(cell, degree))
def __init__(self, cell, degree):
if degree != 2:
raise ValueError("Degree must be 2 for Morley element")
if Citations is not None:
Citations().register("Morley1971")
super().__init__(FIAT.Morley(cell))
def __init__(self, cell, degree):
if degree != 5:
raise ValueError("Degree must be 5 for Argyris element")
if Citations is not None:
Citations().register("Argyris1968")
super().__init__(FIAT.QuinticArgyris(cell))
def __init__(self, cell, degree):
if degree != 5:
raise ValueError("Degree must be 3 for Bell element")
if Citations is not None:
Citations().register("Bell1969")
super().__init__(FIAT.Bell(cell))