[docs]classTransientAdvectionDiffusion(TransientReactiveTransport,AdvectionDiffusion):r""" A subclass of Transport to perform steady and transient simulations of pure diffusion and advection-diffusion problems. """def__init__(self,name='trans_ad_?',**kwargs):super().__init__(name=name,**kwargs)self.settings._update(TransientAdvectionDiffusionSettings())