Buffa–Christiansen

Before trying this example, you must install Bempp:

pip3 install bempp-cl

This element can then be created with the following lines of Python:

import bempp.api
grid = bempp.api.shapes.regular_sphere(1)

Before trying this example, you must install Symfem:

pip3 install symfem

This element can then be created with the following lines of Python:

import symfem

# Create Buffa-Christiansen order 1 on a dual polygon(4)
element = symfem.create_element("dual polygon(4)", "BC", 1)

# Create Buffa-Christiansen order 1 on a dual polygon(5)
element = symfem.create_element("dual polygon(5)", "BC", 1)

# Create Buffa-Christiansen order 1 on a dual polygon(6)
element = symfem.create_element("dual polygon(6)", "BC", 1)