Modified Roberts_flow_acceleration forcing
Fede's effective viscosity divided by 2 * (3+2), where 3 - dimensionality of the run. Also modified RobertsFlow.yml by setting up constant artificial viscosity.
Fede's effective viscosity divided by 2 * (3+2), where 3 - dimensionality of the run. Also modified RobertsFlow.yml by setting up constant artificial viscosity.