According to the numerical calculations of SPH, what term is created in the continuity equation that we have to use DDT?
I would be grateful if you could introduce a useful article to explain my ambiguity!
More information here:
Fourtakas G, Vacondio R, Domínguez JM, Rogers BD. 2020. Improved density diffusion term for long duration wave propagation. In: Proceedings of the International SPHERIC Workshop, Harbin, China.
Fourtakas G, Domínguez JM, Vacondio R, Rogers BD. 2019. Local Uniform Stencil (LUST) boundary condition for arbitrary 3-D boundaries in parallel smoothed particle hydrodynamics (SPH) models. Computers & Fluids, 190: 346-361. doi.org/10.1016/j.compfluid.2019.06.009.
and here, of course:
Thank you for your guidance
Only the second article is available to me