Source code for sigmaepsilon.mesh.cells.l2

# -*- coding: utf-8 -*-
from functools import partial

from ..geometry import PolyCellGeometry1d
from ..data.polycell import PolyCell
from ..utils.cells.l2 import (
    shp_L2_multi,
    dshp_L2_multi,
    shape_function_matrix_L2_multi,
    monoms_L2,
)
from ..utils.numint import Gauss_Legendre_Line_Grid

__all__ = ["L2"]




class L2(PolyCell):
    """
    Class for 2-node line segments.
    """



    class Geometry(PolyCellGeometry1d):
        number_of_nodes = 2
        vtk_cell_id = 3
        shape_function_evaluator = shp_L2_multi
        shape_function_matrix_evaluator = shape_function_matrix_L2_multi
        shape_function_derivative_evaluator = dshp_L2_multi
        monomial_evaluator = monoms_L2
        quadrature = {
            "full": partial(Gauss_Legendre_Line_Grid, 2),
            "geometry": "full",
        }