ConvectionPDETerm
ConvectionPDETerm[vars, β] represents a convection term β·∇u with convection coefficient β and model variables vars.
ConvectionPDETerm[vars, β, pars] uses model parameters pars.
Examples
ConvectionPDETerm[{u[x, y], {x, y}}, {1, 2}]Please visit the official Wolfram Language Reference for more details.