Diffusion in analysis
Implement an analysis in which the operation operator acts on U, taking the diffusion and sub-grid errors linearly into account:
H_{U} = A(B) + K_{dU} + K_{eU}
where D = D_0 + K_{dU}(U-U_0) + K_{dB}(B-B_0)
and E = E_0 + K_{eU}(U-U_0) + K_{eB}(B-B_0)
Edited by Loic Huder