return type name for given element keyword,
            e.g. getElementType('Q01') should return string: 'QUAD'

def getElementType(self, elementKw):
        """ return type name for given element keyword,
            e.g. getElementType('Q01') should return string: 'QUAD'
        """
        try:
            etype = list(self.all_elements.get(elementKw.upper()).keys())[0]
        except:
            etype = self.all_elements.get(elementKw.upper())
        return etype.upper()