

outer_radii = (0.34, 0.4096, 0.4106)
inner_radius = 0.15
densities = (10270, 10270, 3000)
temperatures = ((1400, 1300, 1200), (900, ), (600, ))
compositions = ({'UO2': 100}, {'Th': 100}, {'ZrB2': 100})
radial_nodes = (3, 1, 1)
