def METHOD_NAME(self):
    # fd/cs step size
    if TACS.dtype is complex:
        self.dh = 1e-200
        self.rtol = 1e-12
    else:
        self.dh = 1e-8
        self.rtol = 1e-4
    self.dtype = TACS.dtype
    self.atol = np.clip(1e-5 * self.rtol, 1e-14, 1e-8)
    self.print_level = 0
    # Set element index
    self.elem_index = 0
    # Set the variable arrays
    self.x = np.ones(3, dtype=self.dtype)
    self.pt = np.zeros(3)
    # This constituitive class has no dvs
    self.dvs = np.array([], dtype=self.dtype)
    nplies = 3
    ply_thickness = 0.1
    # Create the isotropic layup
    rho = 2700.0
    specific_heat = 921.096
    E = 70e3
    nu = 0.3
    ys = 270.0
    cte = 24.0e-6
    kappa = 230.0
    iso_prop = constitutive.MaterialProperties(
        rho=rho,
        specific_heat=specific_heat,
        E=E,
        nu=nu,
        ys=ys,
        cte=cte,
        kappa=kappa,
    )
    iso_ply = constitutive.OrthotropicPly(ply_thickness, iso_prop)
    iso_layup = [iso_ply] * nplies
    # Create the orthotropic layup
    rho = 1550.0
    specific_heat = 921.096
    E1 = 54e3
    E2 = 18e3
    nu12 = 0.25
    G12 = 9e3
    G13 = 9e3
    Xt = 2410.0
    Xc = 1040.0
    Yt = 73.0
    Yc = 173.0
    S12 = 71.0
    cte = 24.0e-6
    kappa = 230.0
    ortho_prop = constitutive.MaterialProperties(
        rho=rho,
        specific_heat=specific_heat,
        E1=E1,
        E2=E2,
        nu12=nu12,
        G12=G12,
        G13=G13,
        G23=G13,
        Xt=Xt,
        Xc=Xc,
        Yt=Yt,
        Yc=Yc,
        S12=S12,
        cte=cte,
        kappa=kappa,
    )
    ortho_ply = constitutive.OrthotropicPly(ply_thickness, ortho_prop)
    ortho_layup = [ortho_ply] * nplies
    self.layup_list = [iso_layup, ortho_layup]
    self.ply_thicknesses = np.array([ply_thickness] * nplies, dtype=self.dtype)
    self.ply_angles = np.array([0.0, -45.0, 90.0], dtype=self.dtype) * DEG2RAD
    # Seed random number generator in tacs for consistent test results
    elements.SeedRandomGenerator(0)