Total variation diminishing
![A picture showing the control volume with velocities at the faces,nodes and the distance between them, where 'P' is the node at the center.](/Images/godic/202502/17/Disrcretisation_for_TVD_scheme0835.jpg")
In numerical methods, total variation diminishing (TVD) is a property of certain discretization schemes used to solve hyperbolic partial differential equations. The most notable application of this method is in computational fluid dynamics. The concept of TVD was introduced by Ami Harten.