Aron Roland

4 Questions 12 Answers 0 Followers

Questions related from Aron Roland

Why are 2d rather than 3d flow models used for storm surge forecasting?

I am looking for good reasons, beyond the obvious ones (e.g. computational efficiency), to use only 2d flow models for storm surge forecasting. We have nowadays quite sophisticated modeling...

06 March 2018 1,656 3 View

Howo to optimized indexed memory access on unstructured grids?

When solving PDE'S on unstructured grids, we access in an element loop the nodal values based on the element connections table, which results in an arbitrary scattered memory access pattern. The...

30 November 2017 5,509 10 View

Can anybody give some good reference howto compute 3rd and 4th order spatial derivatives on unstructured triangular grids?

For the higher order extended wave action equation we need to computer higher order derivatives on unstructured grids, any hints suggestions are welcome.

26 December 2014 6,179 5 View

Can anyone help with turbulence closure in 3d flow models?

In certain flow models the turbulence closure in the vertical is different than in the horizontal. Other models neglect also the transport equation of turbulence energy and dissipation in the...

02 May 2014 1,994 9 View