refactor: consolidate grid, stretch, and body force params into derived types#1432
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sbryngelson wants to merge 14 commits into
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refactor: consolidate grid, stretch, and body force params into derived types#1432sbryngelson wants to merge 14 commits into
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Codecov Report❌ Patch coverage is Additional details and impacted files@@ Coverage Diff @@
## master #1432 +/- ##
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- Coverage 64.95% 64.94% -0.02%
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Files 72 72
Lines 18879 18893 +14
Branches 1571 1584 +13
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+ Hits 12263 12270 +7
- Misses 5640 5646 +6
- Partials 976 977 +1 ☔ View full report in Codecov by Sentry. 🚀 New features to boost your workflow:
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Replace flat allocatable arrays x_cb/y_cb/z_cb, x_cc/y_cc/z_cc,
and dx/dy/dz with a derived type having .cb, .cc, and .spacing
components. All three executables (pre_process, simulation,
post_process) updated across 47 files.
Key design decisions:
- pre_process keeps scalar dx/dy/dz as minimum cell-width scalars;
only x_cb and x_cc are folded into x%cb and x%cc
- OpenMP GPU target uses whole-struct declare target (x, y, z) since
component-level declare target is invalid; OpenACC uses component-level
- 2dHardcodedIC.fpp wraps dx*dy in #ifdef MFC_PRE_PROCESS for the
scalar vs per-cell context difference
Special variable collisions fixed:
- m_chemistry.fpp: local integer x/y/z -> cx/cy/cz
- m_weno.fpp: local real y(1:4) scratch -> ys
- m_viscous.fpp: local real dx(1:3) scratch -> ds
- m_ibm.fpp: local scalar dx/dy/dz -> dx_loc/dy_loc/dz_loc
- m_cbc.fpp: Fypp template d${XYZ}$ -> ${XYZ}$%spacing
Implements items 7 and 5 from issue #1427: - x_a/x_b/y_a/y_b/z_a/z_b -> type(bounds_info) :: x_stretch, y_stretch, z_stretch - bf_x/bf_y/bf_z + k_x/w_x/p_x/g_x (and y/z) -> type(body_force_axis) :: bf_x, bf_y, bf_z
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Remove module-level dx, dy, dz scalars from pre_process m_global_parameters. Add min_spacing field to the grid_axis derived type so each axis carries its own minimum cell width. Update all call sites in m_grid, m_start_up, m_icpp_patches, m_mpi_common, and 2dHardcodedIC.
After reading grid data from files, compute and store min_spacing on each axis in both serial and parallel paths. Matches the pre_process pattern so min_spacing is consistent across all three executables.
Group the three directional boundary condition variables (bc_x, bc_y, bc_z of type bc_dir_t) into a single bc_xyz_info struct accessed as bc%x, bc%y, bc%z. Updates all Fortran source, Fypp macros, Python toolchain, example cases, and documentation.
PR #1432 renamed bc_x%beg -> bc%x%beg. The remove_higher_dimensional_keys helper only matched the old _y/_z separator style (.+_y, y_.+), so bc%y%beg and bc%z%beg were not removed for lower-dimensional cases. Add %{dim}% substring check to cover the new compound key format.
- m_thinc.fpp: take master's extended Fypp for-loop tuple (STENCIL_VAR, COORDS, X_BND/Y_BND/Z_BND), update CC_PRI x_cc/y_cc/z_cc -> x%cc/y%cc/z%cc - m_rhs.fpp: take master's drop of 'dummy' workaround condition, keep bc%y%beg naming - m_riemann_solvers.fpp: take master's unified Re_avg_rsx_vf indexing (j,k,l) for all cylindrical faces, update y_cb/y_cc -> y%cb/y%cc
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Summary
Consolidates several families of flat scalar parameters into Fortran derived types, reducing the number of global variables and making the grid/stretch/body-force structure explicit. Implements items 1, 5, and 7 from issue #1427.
Changes
Grid coordinate arrays →
type(grid_axis)x_cc,x_cb,x_cb_s(and y/z equivalents) consolidated intotype(grid_axis) :: x, y, zdx,dy,dzmin spacing moved intogrid_axis%min_spacingtoolchain/mfc/case.pyupdated to emitx%cc(i)instead ofx_cc(i)Grid stretching →
type(bounds_info)x_a/x_b,y_a/y_b,z_a/z_breference points consolidated intox_stretch,y_stretch,z_stretchBody force parameters →
type(body_force_axis)bf_x/k_x/w_x/p_x/g_x(and y/z) consolidated intotype(body_force_axis) :: bf_x, bf_y, bf_zBoundary condition struct →
type(bc_dir_t)bc_dir_tto hold BC type and payload separately; strips BC payload fields out ofint_bounds_infobc_x%beg/end,bc_y%beg/end,bc_z%beg/endparameter keys tobc%x%beg/end,bc%y%beg/end,bc%z%beg/end(new compound naming)case.pyfiles and golden test files to use new namesremove_higher_dimensional_keysintoolchain/mfc/case_utils.pyto handle the new%dir%key format (the old regex only matchedbc_y%begstyle;bc%y%begwould not be stripped for lower-dimensional cases)IB dynamics →
type(ib_dynamics_t)Other
Test plan
./mfc.sh precheckpasses (all 6 checks)remove_higher_dimensional_keysfix verified:bc%y%begandbc%z%begcorrectly stripped for 1D/2D cases