Multiresolution Based Grid Adaptation for Triangles and Cartesian Grids - #2181

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ad1gan wants to merge 626 commits into

DLR-AMR:mainfrom

ad1gan:mra_triangle

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Commits on Jun 16, 2026

add element_data tests
Adrian Kolb
committed
e2f4476
add test fixture for num tests
Adrian Kolb
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393a21c
testing quadrature
Adrian Kolb
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d29e38a
header...
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0c718c6
std lib...
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1e4f72f
testing gradient
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5bcd60d
testing mask matrix
Adrian Kolb
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8eda4ad
testing affine trafos and trafo to ref elements
Adrian Kolb
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035b98a
header...
Adrian Kolb
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f58b74d
testing mat + lu
Adrian Kolb
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6f575a5
adding test for ref/deref on cartesian
Adrian Kolb
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94b10f8
adding ref/deref on triangles
Adrian Kolb
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1b7d39c
add tests for eval/gradient
Adrian Kolb
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1a3c364
add missing test files
Adrian Kolb
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4a2605e
more tests for more shapes
Adrian Kolb
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c7154a3

Commits on Jun 22, 2026

fixed testss with P_DIM = 1
Adrian Kolb
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3413b08
some comments and fixed eps for numerical tests
Adrian Kolb
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40980a1
adding mst tests
Adrian Kolb
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d551272
add mst test
Adrian Kolb
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33df8a2
adding configs for testing general forest with mra
Adrian Kolb
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1c2bdcb
adding class for easy tests with mra + forest
Adrian Kolb
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b0cdfbb
adding smooth, constant and discontinuous function for testing
Adrian Kolb
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98ea665
adding equal operator for lmi maps
Adrian Kolb
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4412fe8
adding frame for mra_criteria
Adrian Kolb
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2b6eb2a
testing local treshold values
Adrian Kolb
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ef0759b
adding function to create solution on uniform grids
Adrian Kolb
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bffec5c
detail scaling tests
Adrian Kolb
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4193a82
different hard_thresholding strategies
Adrian Kolb
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1a18f9b
test hartens prediction (steep => neighbour)
Adrian Kolb
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fa8ee7d

Commits on Jul 1, 2026

adding sharp test for hard thresholding
Adrian Kolb
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601897b
testing grading
Adrian Kolb
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0d6e5d6
adding mra_criteria tests
Adrian Kolb
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c5e7170
added graded function
Adrian Kolb
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bea59b5
added single poly functions
Adrian Kolb
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00066e1
adding some projection tests
Adrian Kolb
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ab59b20
adding some conservation tests
Adrian Kolb
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c7837d1
adding evaluation for cartesian meshes
Adrian Kolb
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5d54902
added evaluation for triangular meshes
Adrian Kolb
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f84b0ea
testing evaluation
Adrian Kolb
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43f7d7d
removed clamp from old bug
Adrian Kolb
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6e93dc2
adding reference evaluation
Adrian Kolb
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b828068
using reference evaluation
Adrian Kolb
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9eef444
using reference evaluation
Adrian Kolb
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ddab9e5
overriding evaluate for global evaluation in basis
Adrian Kolb
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81d09c9
adding pure virtual function for evaluate
Adrian Kolb
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c948dd4
adding point_query struct for global search
Adrian Kolb
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217915c
adding search query to search for the correct cell
Adrian Kolb
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d5add99
evaluating on global domain
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c732c48
testing global domain evaluation
Adrian Kolb
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80ec037
adding mean values
Adrian Kolb
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8bb4a01
adding test for mean vals
Adrian Kolb
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2f4b9ec
adding gradient eval
Adrian Kolb
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c157cd6
testing gradient eval
Adrian Kolb
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83c4ae7
adding 1d test functions
Adrian Kolb
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9c1a124
extend tests to 1d
Adrian Kolb
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660b866
refactored detect jumps, now using the mean_val function
Adrian Kolb
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1576880
refactored test using the new mean_val functions
Adrian Kolb
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d04bf43
fixed tresholding, using mean_val
Adrian Kolb
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ca7523b

Commits on Jul 7, 2026

adding leaf iterator
Adrian Kolb
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b3dbda4
using iterator + some refactoring
Adrian Kolb
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17175da
refactored refine
Adrian Kolb
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0aa36dc
balancing using new leaf iter
Adrian Kolb
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3eec90b
fixed ghost exchange
Adrian Kolb
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6193d1d
global v_max
Adrian Kolb
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e8de9ff
refactored adapation routine with new methods
Adrian Kolb
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9cbd452
adding globalize for comm
Adrian Kolb
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d1f003d
renaming/comments/cleaning
Adrian Kolb
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9796186
updated inlcudes
Adrian Kolb
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52af15b
bug: wrong include
Adrian Kolb
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5224fd6
adding mpi tests
Adrian Kolb
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3d1b045
adding mpi tests -> testing with different num procs
Adrian Kolb
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44e2e45
formatting
Adrian Kolb
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ca76377
removing old comments
Adrian Kolb
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05366d0
static idx
Adrian Kolb
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8392c61
using 1ULL for bitshifts
Adrian Kolb
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2f8bd66
removed not needed triangle order
Adrian Kolb
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181abe7
refactoring, using a element_vertex_coords function to give correct coords
Adrian Kolb
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f39c6ba
refactoring element_vertex_coords for triangle
Adrian Kolb
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3589cab
adding some DEBUG macros on idx check
Adrian Kolb
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9ea1062
removed double lookup in local_detail_nrom
Adrian Kolb
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50856bc
reduced allocs in reference quad points
Adrian Kolb
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0317d7a
fixed test with DEBUG
Adrian Kolb
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bfb467b
devirtualized the multiscale classes -> now using CRTP
Adrian Kolb
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30c3d99
optimized refinement (computing norm only once)
Adrian Kolb
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516991c
using std::arrays instead of std::vector in ref values
Adrian Kolb
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a2f12bb
reserving of I_set and d_map in mst
Adrian Kolb
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46c2400
optimized two_scale transformation
Adrian Kolb
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ac261b9
optimized inverse two scale
Adrian Kolb
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2feff92
single lookup for lmi+data in two_scale
Adrian Kolb
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c19b83e
refactoring coarsening, sweeps only once through level
Adrian Kolb
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59e5bd6
refactored leaf iterator, has now a second lambda function for early return
Adrian Kolb
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48bfd4a

Commits on Jul 8, 2026

add simple nodal to modal function
Adrian Kolb
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4bd4c69
add new modal to nodal header
Adrian Kolb
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e4a8f1b
simple nodal example
Adrian Kolb
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e615f0a
adding new nodal-modal file
Adrian Kolb
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3773b41
adding modal to nodal interface
Adrian Kolb
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a1dcbe2
adding header
Adrian Kolb
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5a0118e
refactored function to give modal representation for given nodal sets
Adrian Kolb
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5ebebee
export adaptive modal solution to nodal forest
Adrian Kolb
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ca66ce2
updated example to perform nodal->modal->coarsening->nodal
Adrian Kolb
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d8fbb15
adding test_suite for modal<->nodal test
Adrian Kolb
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1c473a6
testing nodal->modal->nodal
Adrian Kolb
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ed6bc9c
testing exactness of polynomials
Adrian Kolb
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8de24f9
adding chebyshev-lobatto quad points
Adrian Kolb
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167d743
starting nodal example form a nonuniform grid
Adrian Kolb
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d949eb5
adding assert for nodal/modal on triangles
Adrian Kolb
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56e850b

Commits on Jul 10, 2026

adding mpirank to main plot
Adrian Kolb
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fed194c
disabled avalanching for better performance
Adrian Kolb
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04a1dfe
extracted cell geometry operations and put it in one dedicated class
Adrian Kolb
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09e1b97
removed cell operations
Adrian Kolb
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d5c804e
using new cell operation class
Adrian Kolb
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69d6019
refactored mean
Adrian Kolb
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1884ecf
shorten comments
Adrian Kolb
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90e1ebb
adding a function to compute the mean
Adrian Kolb
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aa99c6c
adding fac_neighbours lmi map (inverse direction of normal lmi map)
Adrian Kolb
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64825b2
adding face_neighbour file
Adrian Kolb
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2fe8816
adding missing headers
Adrian Kolb
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64ee432
adding new tests
Adrian Kolb
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b918cd3
fixed scaling issues in the detail norm
Adrian Kolb
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3454a92

Commits on Jul 23, 2026

removed some comments
Adrian Kolb
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91f3c27
refactoring: add forest_backend to collect all call to t8_forest
Adrian Kolb
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8c93c36
using new backend for t8_forest
Adrian Kolb
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2243de7
moved cell geometry to num
Adrian Kolb
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d95ea1f
updated cell geometry header
Adrian Kolb
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d273d9b
updated cell geometry header
Adrian Kolb
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c7106a7
updated cell geometry header
Adrian Kolb
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f45db76
using cell_geometry header + added max_level as public interface
Adrian Kolb
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ec4cf54
fixed bug: using comm method
Adrian Kolb
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ecad200
adding shape traits and separate each shape into its own file
Adrian Kolb
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fa2ce2f
refactored lmi -> each shape has its own file
Adrian Kolb
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457cece
refactore dg with separate shape files
Adrian Kolb
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67635fa
removed old shape files
Adrian Kolb
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c278196
refactoring num with shape separations
Adrian Kolb
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402ed14
outsourced main functions of adapation into their own file
Adrian Kolb
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c6cdf79
deleted old adapation file
Adrian Kolb
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47c323f
deleted old base file
Adrian Kolb
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40dbafc
refactoring of multiscale module to new structure
Adrian Kolb
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62d3ec8
adding element_corner_coords
Adrian Kolb
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30de213
introducing shape traits
Adrian Kolb
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5f7e094
updating headers
Adrian Kolb
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9b9d4ce
updating cmake to new data structure
Adrian Kolb
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8f16201

Commits on Jul 24, 2026

cleaning + clangd
Adrian Kolb
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3ab4314
cleaning + comments
Adrian Kolb
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8a9fb5d
using reference in multiscale_traof
Adrian Kolb
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81b440a
cleaning stuff
Adrian Kolb
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ff33ff1
smaller cleaning stuff
Adrian Kolb
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90320a7
smaller cleaning
Adrian Kolb
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3bc31d1
small refactoring/cleaning
Adrian Kolb
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f22a324
small comments improvement
Adrian Kolb
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ecd0d1e
small cleaning
Adrian Kolb
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74c5726
small cleaning + clangd
Adrian Kolb
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ae032a5
modernize triangle_order
Adrian Kolb
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ef536bf
small modernization using std::arrays
Adrian Kolb
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073a8ba
modernized vtk + some small cleaning
Adrian Kolb
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1c22259
some small refactorings + cleaning
Adrian Kolb
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b674dac
nodiscard/cont methods/better template type names
Adrian Kolb
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be43e84
fixed tests
Adrian Kolb
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1f3153d
simple dg representation for given datasets
Adrian Kolb
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116825a
adding dataset
Adrian Kolb
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991bdfc
simple example for datasets
Adrian Kolb
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a42c667

Commits on Jul 30, 2026

fixed bug in vtk plotter with p=0
Adrian Kolb
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3dfdf7e

Commits on Aug 14, 2026

constexpr steep_factor
Adrian Kolb
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e0adabe
using levelsets
Adrian Kolb
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7dc1eb5

Commits on Aug 17, 2026

adding base_cell and child_id
Adrian Kolb
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465e7d7
refactored mst adding collapsed and keep-lambdas
Adrian Kolb
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ad9579e
simplfyfied coarsening with new mst
Adrian Kolb
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3af8790
marks refinement_path for grading
Adrian Kolb
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8d5c38c
flatten mpi comm
Adrian Kolb
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e7b712e
updated grading using new functions
Adrian Kolb
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f0f8503
cleaning
Adrian Kolb
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67420ea
refactored using new grading method and mst
Adrian Kolb
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c9b7bf1
refactoring balancing with new grading
Adrian Kolb
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716d778

Commits on Aug 18, 2026

adding grading during coarsening
Adrian Kolb
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2481d53
add function to get num global leaves
Adrian Kolb
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ab2a51d
refactored inverse_mst
Adrian Kolb
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ecec572
adding graded flag for coarsening
Adrian Kolb
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9b31ce3
testing new grading during coarsening
Adrian Kolb
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a33a918

Commits on Aug 19, 2026

Bug with MPI parallelization
spenke91
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6fd6cc8

Commits on Aug 20, 2026

adding maybe_unused (fixing warning at runtime)
Adrian Kolb
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7452a79
fixing warning (removed not used arg and fix signed integer loop
Adrian Kolb
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eadcd19
fixing warning with sign/unsigned in for loops
Adrian Kolb
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805744a
fixed some warnings in test
Adrian Kolb
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58e5a3c
print grid stats after balancing
Adrian Kolb
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1761252
removed dead code
Adrian Kolb
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e85ac67
inlined static functions
Adrian Kolb
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18d1d83
fixed implicit lambda capturing
Adrian Kolb
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85adb94
formatting
Adrian Kolb
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77b3bb5
adding new multi-tree forest for all tests
Adrian Kolb
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20684fc
adding tests for multi-tree cmeshes
Adrian Kolb
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c30319b
copying root element in pfc message instead of referncing it
Adrian Kolb
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bf41629
constexpr shape reordering in post_adapt
Adrian Kolb
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42b599d
perform detail_norm directly on the details
Adrian Kolb
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ccd7c8d
using new detail norms
Adrian Kolb
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117f71a
adding function to obtain diamater from cell volume
Adrian Kolb
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e725431
refactored detec_jumps (only one leaf-face iteration per level)
Adrian Kolb
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1d140cd
init lmi_map in restore_graded leaves only once
Adrian Kolb
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46f4859
smaller optimization in mark_refinement_path
Adrian Kolb
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c601d0d
reduced lookups
Adrian Kolb
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906aa4b
overreserved details, reduced num elements
Adrian Kolb
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534d5fb
calls user data and lmi map outside of for_each_local_leaf
Adrian Kolb
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4eb59ad
replaced vec<vec> for mpi in mark_refined_path with flat vec
Adrian Kolb
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b71d72b

Commits on Sep 17, 2026

dubiner-bases is now header only
Adrian Kolb
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dde02cb
dunavant quadrature is now header only
Adrian Kolb
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e6c7fa9
removed deleted cpp files
Adrian Kolb
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b96abb3
refactored vtk_io, shape dependent files
Adrian Kolb
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e5fed40

Commits on Sep 18, 2026

refactoring shape in num, collecting shape dependent stuff
Adrian Kolb
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801dfe6

Commits on Sep 21, 2026

spacing
Adrian Kolb
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03b9a9c
some cleaning
Adrian Kolb
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e386561
some cleaning
Adrian Kolb
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b7f282b
moved type specific stuff to shape files
Adrian Kolb
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f06d0cb
moved shape specific stuff to shape files
Adrian Kolb
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ec3a10a
moved dunavant rule to shape file
Adrian Kolb
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f733480
replaced C-pointer cast with reinterpret_cast
Adrian Kolb
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1262a1a
add prism lmis
Adrian Kolb
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324b33c
add prism core properties
Adrian Kolb
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8dac6a7
add new prism header
Adrian Kolb
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d1c413e
moved shape specific files into shape dir
Adrian Kolb
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2cc99e0
adapt header to new shape dir
Adrian Kolb
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fac9123
add new files
Adrian Kolb
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d6fbde6
adding basis functions for DG space on prism
Adrian Kolb
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713957f
adding new header for prism
Adrian Kolb
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c3c9999
adding cell geometry for prism
Adrian Kolb
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d02e95f
adding new prism files
Adrian Kolb
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f66537d
adding new dg base for prism
Adrian Kolb
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b982bda
adding vtk output for prism
Adrian Kolb
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2acdbd0
adding the prism files
Adrian Kolb
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7d7e3a3
adding prism example
Adrian Kolb
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d09acff
adding custom vtk output to the example with two data sets
Adrian Kolb
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2360d39
adding new tests for prism
Adrian Kolb
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4ee9714
adding prism
Adrian Kolb
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09d78cf
adding prism tests
Adrian Kolb
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154c551
adding more tests with prism
Adrian Kolb
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0b576da
adding prism tests
Adrian Kolb
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1d30fe9
adding new geometric tests for prism
Adrian Kolb
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9680673

Commits on Sep 24, 2026

removed gsl for legendre polynomials -> speedup
Adrian Kolb
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e9aa184
calling basis legendre basis functios without templates
Adrian Kolb
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7c8ac53
presaving modes in eval
Adrian Kolb
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192332d
optimized mean using new basis
Adrian Kolb
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1fa5745
replaced ordering by a "hash function", without any search
Adrian Kolb
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d744948
refactoring of vtk, removed dead code and use refactored basis/dg representation
Adrian Kolb
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91cd155
buffer quadrature coeffs for every shape
Adrian Kolb
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1457c1e
saving mask coefficients on stack and additionally store the inverse for cache efficiency
Adrian Kolb
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8048317
using new mask matrix
Adrian Kolb
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b057f48
ghost_exchange now with flexible loads
Adrian Kolb
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0c6cd3c
in detect_jumps only the means are communicated
Adrian Kolb
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4cf9599
using new ghost structure
Adrian Kolb
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d6d791a
removed some copies
Adrian Kolb
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404c401
fixed tests with new lu-factor
Adrian Kolb
committed
03c0be4
removed i_set, now using a parents collection
Adrian Kolb
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db95211
zero defaulting
Adrian Kolb
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ec85d6a