Initial stochastic transport implementation [DRAFT] - #15
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…sing functions from old siqk_defs for time (tic, toc, print_times) and InExeSpace
…rtran to c++ interface
…both fortran and c++ sides.
… cell centers for vertical transport
…for resolution studies.
… on cube face) to reference element coordinates (which do not)
pbosler
marked this pull request as draft
June 25, 2026 15:00
…elocity to test horizontal component in isolation.
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Using polygonal overlap on each level in the horizontal to determine percentages of subcell
ithat moves to subcelljduring a transport stem. Then vertical remap of the pressure levels does the same for vertical transport.Implements a new version of DCMIP 2012 tracer transport test 1.1 (3d deformational flow) with doubled tracers. Tracers Q, Q2:4 are the same as the original DCMIP 2012 test. Tracers Q5:8 are exact copies at
t=0. Fort>0, tracers Q and Q2:4 are transported by the standard semi-Lagrangian methods (ISLET). Tracers Q5:8 are transported by the new stochastic method. In a perfect world, the two would match; however, the stochastic tracers are not transported with high-order methods and they are not modified for property preservation in the horizontal, so they will differ.DRAFT: Waiting on convergence testing results.