def METHOD_NAME(self):
    if self.options["convection"] == "none":
        self.submodels[
            "transverse convection"
        ] = pybamm.convection.transverse.NoConvection(self.param)
        self.submodels[
            "through-cell convection"
        ] = pybamm.convection.through_cell.NoConvection(self.param)
    else:
        if self.options["convection"] == "uniform transverse":
            self.submodels[
                "transverse convection"
            ] = pybamm.convection.transverse.Uniform(self.param)
        elif self.options["convection"] == "full transverse":
            self.submodels[
                "transverse convection"
            ] = pybamm.convection.transverse.Full(self.param)
        self.submodels[
            "through-cell convection"
        ] = pybamm.convection.through_cell.Full(self.param)