AFLR43 Usage Summary
AFLR43 is an unstructured 3D surface and volume mesh generation code. It combines AFLR4 and AFLR3 to create an integrated geometry definition to volume mesh capability.
Run AFLR43
aflr43 [aflr4_param_options] [-AFLR3 aflr3_param_options]
AFLR4 Param Options
PARAMETER NAME DESCRIPTION
________________________ _____________________________________________________
PROGRAM CONTROL & I/O PARAMETERS
-File_Status_Monitor : Turn on file status monitor.
File_Status_Monitor_Flag=1
-Memory_Monitor : Turn on memory monitor.
Memory_Monitor_Flag=1
-Memory_Monitor2 : Turn on memory monitor.
Memory_Monitor_Flag=2
-build : List program version build number.
-h : List summary of input parameters.
Help_Flag=1
-h_all : List summary of all input parameters.
Help_Flag=3
-h_io : List summary of file I/O parameters.
Help_UG_IO_Flag=1
-help : List documentation of input parameters.
Help_Flag=2
-help_all : List documentation of all input parameters.
Help_Flag=4
-help_io : List documentation of file I/O parameters.
Help_UG_IO_Flag=2
-out : Generate an output file.
-log : synonymous names
Output_File_Flag=1
-out_a : Append an output file.
-log_a : synonymous names
Output_File_Flag=-1
-outf : Send output to a file only.
-logf : synonymous names
Output_File_Flag=2
-outf_a : Append output to a file only.
-logf_a : synonymous names
Output_File_Flag=-2
-ver : List program version number.
-version : List program version information.
Help_Flag : List documentation of input parameters.
default=0 min=-1 max=4
Help_UG_IO_Flag : List documentation of file I/O parameters.
default=0 min=0 max=2
Output_File_Flag : Output file flag.
default=0 min=-2 max=2
-v : Use executable in specified directory.
default=
Input_File_Name : Input CAD file case name or file name or input CAD file name.
-i -cad -igrid -case : synonymous names
default=
Output_Grid_File_Name : Output grid file name or suffix.
-o -ogrid : synonymous names
default=_null_
TMP_File_Dir : Temporary file directory.
-tmp : synonymous names
default=_null_
FLAG PARAMETERS (OFTEN USED)
-er_all : Use global edge mesh spacing refinement.
mer_all=1
-np : Run in parallel processing mode using np processes.
parallel_mode=1 nproc=
-quad : Generate a mixed quad/tria-face grid.
mquad=1 mpp=3
OPTION PARAMETERS (OFTEN USED)
BL_IDs : List of IDs for BL Generating Solid surfaces.
-bl_ids : synonymous names
default=
BL_Int_IDs : List of IDs for BL Intersecting surfaces.
-bl_ints -bl_int_ids -ints -int_ids : synonymous names
default=
FF_IDs : List of IDs to for FarField surfaces.
-ffs -ff_ids : synonymous names
default=
Std_IDs : List of IDs to for Solid surfaces.
-stds -std_ids : synonymous names
default=
Trnsp_BL_IDs : List of IDs for BL Generating Transparent surfaces.
-trnsp_bl_ids : synonymous names
default=
Trnsp_BL_Int_IDs : List of IDs for BL Intersecting Transparent surfaces.
-trnsp_bl_int_ids : synonymous names
default=
Trnsp_IDs : List of IDs for Transparent surfaces.
-trnsp_ids : synonymous names
default=
Trnsp_Intl_BL_IDs : List of IDs for BL Generating Internal Transparent surfaces.
-trnsp_intl_bl_ids : synonymous names
default=
Trnsp_Intl_IDs : List of IDs for Internal Transparent surfaces.
-trnsp_intl_ids : synonymous names
default=
Trnsp_Src_IDs : List of IDs for Transparent Source surfaces.
-trnsp_src_ids : synonymous names
default=
auto_set_ff_bc : Automatic farfield grid BC flag.
default=0 min=0 max=1
mer_all : Global edge mesh spacing refinement weight flag.
default=0 min=0 max=1
nproc : Number of processes to use.
default=1 min=1 max=1000000
parallel_mode : Parallel processing mode flag.
default=0 min=0 max=1
NUMERIC PARAMETERS (OFTEN USED)
curv_angle : Curvature spacing angle in degrees.
default=5.7 min=1e-06 max=90
ref_len : Reference length for components/bodies.
default=0 min=0 max=1e+19
FLAG PARAMETERS (SOMETIMES USED)
-add_ff : Add a box-shaped farfield definition to configuration.
add_ff_geom=1
-add_ff2 : Add a rectangular-box-shaped farfield definition to configuration.
add_ff_geom=2
-ext : Use external sizing routine.
meval=1
-met2 : Use metric space with advancing-front point placement.
mmet=1 mpp=2
-met3 : Use metric space with advancing-point point placement.
mmet=1 mpp=3
OPTION PARAMETERS (SOMETIMES USED)
BC_IDs : List of IDs to set grid BC parameters.
bc_ids : synonymous names
default=
Grid_BC_Flag : List of grid BC flags to set.
bc_list : synonymous names
default=
add_ff_geom : Farfield add-on flag.
default=0 min=0 max=2
cad_param_reset : CAD parameter reset flag.
default=0 min=0 max=1
cmp_ids : List of surface IDs to set as components.
default=
cmp_list : List of component identifiers for each component/body specified.
default=
erw_ids : List of surface IDs to set edge mesh spacing refinement weight.
default=
esf_ids : List of edge IDs to set edge mesh spacing scale factor.
default=
malign : Metric alignment flag.
default=1 min=0 max=2
merge_ids : List of discrete geometry definition surface IDs to to merge.
default=
merge_sets : List of the number of IDs for each merge set.
default=
min_ncell : Minimum number of cells between two components/bodies.
default=3 min=1 max=2000000000
sf_ids : List of surface IDs to set surface mesh spacing scale factor.
default=
NUMERIC PARAMETERS (SOMETIMES USED)
BL_thickness : Boundary layer thickness for proximity checking.
-bl_del : synonymous names
default=0 min=0 max=1e+12
Re_l : Reynolds Number for estimating BL thickness,
-Re : synonymous names
default=0 min=0 max=1e+19
erw_all : Global edge mesh spacing refinement weight.
default=0.8 min=0 max=1
erw_list : List of edge mesh spacing refinement weights.
default=
esf_list : List of edge mesh spacing scale factors.
default=
ff_cdfr : Farfield growth rate for field point spacing.
default=1.3 min=1 max=10
ff_size : Farfield size factor.
default=10
max_scale : Relative maximum spacing.
rel_max_sp : synonymous names
default=0.1 min=1e-12 max=1
sf_global : Global surface mesh spacing scale factor.
sf_all : synonymous names
default=1 min=0.001 max=1000
sf_list : List of surface mesh spacing scale factors.
default=
FLAG PARAMETERS (SELDOM USED)
-no_prox : Disable proximity checking.
auto_mode=1
OPTION PARAMETERS (SELDOM USED)
Rec_IDs : List of IDs to reset Reconnection flag.
-rec_ids : synonymous names
default=
auto_mode : Auto-spacing mode flag.
default=2 min=0 max=2
create_tess : Output CAD tess data creation flag,
default=1 min=0 max=1
geom_mmsg : Geometry definition output flag,
default=1 min=0 max=1
mier4 : Isolated edge refinement flag.
default=1 min=0 max=2
mier_ids : List of surface IDs to set isolated edge refinement flag.
default=
mier_list : List of isolated edge refinement flags.
default=
mw_cad_def : CAD definition file write flag,
default=1 min=0 max=1
quad_ids : List of surface IDs for quad-face combination.
default=
surf_gen_mmsg : Surface mesh generation output flag,
default=1 min=0 max=1
NUMERIC PARAMETERS (SELDOM USED)
er_lim : Edge mesh spacing refinement limit.
default=0.001 min=1e-12 max=1
FLAG PARAMETERS (RARELY USED)
-grow : Use specified growth in element size.
mdf=2 cdfs=1.0 cdfr=
-grow1 : Use moderate growth in element size.
mdf=2 cdfs=1.0 cdfr=1.2
-grow2 : Use high growth in element size.
mdf=2 cdfs=0.5 cdfr=1.5
-grow3 : Use very high growth in element size.
mdf=2 cdfs=0.0 cdfr=2.0
-open : Input configuration is open.
mclosed=0
-skin : Input configuration has a structural skin topology.
skin_mode=1
OPTION PARAMETERS (RARELY USED)
Message_Flag : Message flag.
mmsg : synonymous names
default=-1 min=-1 max=2
Rec_Flag : List of reconnection flags to reset.
default=
high_order_eval : Discrete geometry high-order evaluation flag.
default=1 min=0 max=1
keep_bodies : List of input body IDs to keep.
default=
m_arearchk : Output area ratio check flag.
default=0 min=0 max=1
mclosed : Input configuration open/closed flag.
default=1 min=0 max=1
mdf : Distribution function flag.
default=1 min=1 max=2
melem : Maximum number of elements.
default=0 min=0 max=2000000000
min_nseg : Minimum number of segments on an individual curve.
default=2 min=1 max=2000000000
mpp : Point placement flag.
default=2 min=2 max=3
mqchkb : Boundary surface quality measure information output flag.
default=1 min=0 max=1
mquad : Quad face combination flag.
default=0 min=0 max=1
n_shmem_buffer : Shared memory buffer size.
default=100000 min=100 max=100000000
rm_bodies : List of input surface IDs to remove.
default=
skin_mode : Structural skin topology mode flag.
default=0 min=0 max=1
NUMERIC PARAMETERS (RARELY USED)
ang_qbmax : Output face angle check maximum angle limit.
default=120 min=60 max=180
ang_qbmax2 : Output face angle check usable maximum angle limit.
default=170 min=60 max=180
ang_qbmin : Output face angle check minimum angle limit.
default=10 min=0 max=60
angdbe : Discontinuous boundary edge angle.
default=30 min=0 max=179.9
angerw1 : Minimum discontinuous edge angle.
default=10 min=0 max=179.9
angerw2 : Maximum discontinuous edge angle.
default=30 min=0 max=179.9
angquad1 : Maximum aligned quad face angle.
default=120 min=100 max=179.9
angquad2 : Maximum non-aligned quad face angle.
default=140 min=100 max=179.9
angquad3 : Final maximum quad face angle.
default=140 min=100 max=179.9
arear_qbmin : Output area ratio check quality limit.
default=0.1 min=0 max=1
arear_qbmin2 : Output area ratio check quality limit.
default=0.01 min=0 max=1
cdfr : Maximum geometric growth rate.
default=1.1 min=1 max=3
gtol : Relative glue tolerance.
default=0.0001 min=0 max=1e+19
length_ratio : Curvature length ratio threshold.
default=1.0001 min=1 max=1.1
prox_min_scale : Relative proximity minimum spacing.
rel_prox_min_sp : synonymous names
default=0.0025 min=1e-12 max=1
qarear_qmin : Output quality function Q check quality limit.
default=0.1 min=0 max=1
qarear_qmin2 : Output quality function Q check usable limit.
default=0.01 min=0 max=1
OPTION PARAMETERS (DO NOT CHANGE)
cpu_timer : Routine level CPU timer flag.
default=0 min=0 max=1
min_nseg_loop : Minimum number of segments on a complete curve loop.
default=3 min=3 max=2000000000
mrecim : Initial local-reconnection flag.
default=2 min=1 max=2
mrecm : Local-Reconnection flag.
default=2 min=1 max=2
muvmap : UV-mapping method flag.
default=1 min=1 max=2
mw_bedge : Surface grid file output flag,
default=0 min=0 max=1
mw_surf : Surface grid file output flag,
default=0 min=0 max=1
mw_surf_be : Surface grid file with edge ID output flag,
default=0 min=0 max=2
mw_zone : Zone surface grid file output flag,
default=0 min=0 max=1
nbr : Maximum boundary edge subdivisions.
default=100 min=4 max=500
nelemdm : Minimum number of elements to allocate.
default=100 min=100 max=10000000
nelpnn : Number of elements per node.
default=2 min=2 max=7
nelpnni : Number of initial elements per node.
default=3 min=2 max=100
ngen : Maximum number of grid passes.
default=10000 min=0 max=10000000
ninlpp : Maximum initial point placement passes.
default=0 min=0 max=10000000
ninsmax : Maximum element subdivisions.
default=100 min=1 max=10000000
nmnrealloc : Minimum array elements to reallocate.
default=1000 min=100 max=10000000
nnpbchk : Quad-/Oct-tree bin checking node limit.
default=100 min=10 max=10000
nnpbeval : Quad-/Oct-tree bin evaluation node limit.
default=10 min=10 max=10000
nnpnni : Number of nodes per initial node.
default=2 min=1 max=10
nquadc : Number of quad combination passes.
default=4 min=1 max=10
nqual : Number of quality improvement passes.
default=1 min=0 max=10
nsmth : Number of smoothing iterations.
default=3 min=0 max=10
NUMERIC PARAMETERS (DO NOT CHANGE)
angdd : Discontinuous dihedral surface angle.
default=150 min=120 max=179.9
angiermax4 : Maximum AFLR4 isolated edge angle.
default=160 min=0 max=179.9
angiermin4 : Minimum isolated edge angle.
default=10 min=0 max=179.9
angndev : Planar uv-mapping normal deviation.
default=1 min=0 max=20
angqermx : Maximum isolated edge reconnection angle.
default=165 min=0 max=180
angqprojuv : Projected plane uv-mapping max-angle.
default=175 min=0 max=180
angquad1i : Initial maximum aligned quad angle.
default=130 min=100 max=179.9
angquad2i : Initial maximum non-aligned quad angle.
default=170 min=100 max=179.9
angrbfmxd4 : Maximum angle for curvature improvement.
default=110 min=60 max=179.9
bdfmchk : Quad-/Oct-tree bin checking size factor.
default=1 min=1 max=100000
bdfmeval : Quad-/Oct-tree bin evaluation size factor.
default=1 min=1 max=100000
cbidx : Initial bounding box size factor.
default=1 min=1 max=100000
cdf : Distribution function multiplier.
default=1 min=0.5 max=3
cdff : Satisfied edge length multiplier.
default=1.5 min=1.1 max=3
cdff2 : Satisfied edge length multiplier #2.
default=2 min=1.1 max=3
cdfn : Nearby node factor.
default=0.7 min=0.5 max=0.9
cdfn2 : Nearby node factor #2.
default=0.7 min=0.5 max=0.9
cier : Isolated edge refinement factor.
default=0.0001 min=0 max=1
cinlpp : Initial point placement factor.
default=0.01 min=0 max=0.5
cnnpnni : Number of initial nodes multiplier.
default=1.5 min=1 max=3
crealloc : Reallocation multiplier.
default=1.25 min=1.05 max=2
csmin : Tolerance exponent for searching.
default=0.5 min=0.4 max=0.9
csmin4 : AFLR4 search tolerance exponent.
default=0.8 min=0.5 max=0.9
csmini : Initial tolerance exponent.
default=0.25 min=0.125 max=0.9
csmth : Smoothing coefficient.
default=0.5 min=0 max=1
ctol : Overall tolerance exponent.
default=0.94 min=0.8 max=0.94
cwds : Weighting factor for new points.
default=0.5 min=0 max=1
dwrec : Surface curvature improvement factor.
default=0.1 min=0 max=1
ideal_min_scale : Relative ideal minimum spacing.
rel_ideal_min_sp : synonymous names
default=0.005 min=1e-12 max=1
relem0 : Re-numbering limit.
default=0.1 min=0 max=1
sf_min : Minimum mesh spacing scale factor.
default=0.001 min=1e-06 max=1
smin2 : AFLR4 relative search tolerance at boundaries.
default=0.1 min=0 max=10
uv_curv_lim : uv limit value for curvature evaluation.
default=0.01 min=0 max=0.3
uvmod_ratio_lim : MIN/MAX arc-length ratio lower limit.
default=0.1 min=0 max=1
uvmod_rtol : Relative singular point tolerance.
default=1e-06 min=0 max=1
uvmod_stol : Absolute singular point tolerance.
default=0 min=0 max=1e+19
vsmthb : Smoothing reduction factor.
default=0.5 min=0 max=1
AFLR3 Param Options
PARAMETER NAME DESCRIPTION
________________________ _____________________________________________________
PROGRAM CONTROL & I/O PARAMETERS
Input_File_Name : Input CAD file case name or file name or input CAD file name.
-i -cad -igrid -case : synonymous names
default=
Output_Grid_File_Name : Output grid file name or suffix.
-o -ogrid : synonymous names
default=.meshb
TMP_File_Dir : Temporary file directory.
-tmp : synonymous names
default=_null_
FLAG PARAMETERS (OFTEN USED)
-bcheck : Check boundary surface mesh.
mbcheck=1
-bl : Generate a BL grid suitable for CFD.
mbl=1 mrecm=3 mrecqm=3
-blc : Generate a BL grid suitable for CFD and create prism elements.
mbl=1 mrecm=3 mrecqm=3 mblelc=1
-blc2 : Generate a BL grid suitable for CFD and create prism/split-hex elements.
mbl=1 mrecm=3 mrecqm=3 mblelc=2
-blc3 : Generate a BL grid suitable for CFD and create prism/hex elements.
mbl=1 mrecm=3 mrecqm=3 mblelc=2 mquadp=1
-blcheck : Check BL parameters and input surface grid.
mblchki=1
-bls : Generate a BL grid from specified surfaces.
mbl=1 BL_IDs=
-ice : Generate an interior core mesh with varying element size.
m_ice=1
-ice1 : Generate an interior core mesh with uniform element size.
m_ice=1 nref_max=1
-snsc : Generate a SNS grid and create prismatic elements.
mbl=-1 mblelc=1
-snsc2 : Generate a SNS grid and create prism/split-hex elements.
mbl=-1 mblelc=2
-snsc3 : Generate a SNS grid and create prism/split-hex elements.
mbl=2 mblelc=2 mquadp=1
-y+ : Specify turbulent BL y+ for determining the initial spacing normal.
mbltype=2 blyp=
OPTION PARAMETERS (OFTEN USED)
BL_IDs : List of IDs for BL Generating Solid surfaces.
-bl_ids : synonymous names
default=
BL_Int_IDs : List of IDs for BL Intersecting surfaces.
-bl_ints -bl_int_ids -ints -int_ids : synonymous names
default=
FF_IDs : List of IDs to for FarField surfaces.
-ffs -ff_ids : synonymous names
default=
PS_IDs : ID pairs for periodic surfaces.
-psids : synonymous names
default=
Std_IDs : List of IDs to for Solid surfaces.
-stds -std_ids : synonymous names
default=
Trnsp_BL_IDs : List of IDs for BL Generating Transparent surfaces.
-trnsp_bl_ids : synonymous names
default=
Trnsp_BL_Int_IDs : List of IDs for BL Intersecting Transparent surfaces.
-trnsp_bl_int_ids : synonymous names
default=
Trnsp_IDs : List of IDs for Transparent surfaces.
-trnsp_ids : synonymous names
default=
Trnsp_Intl_BL_IDs : List of IDs for BL Generating Internal Transparent surfaces.
-trnsp_intl_bl_ids : synonymous names
default=
Trnsp_Intl_IDs : List of IDs for Internal Transparent surfaces.
-trnsp_intl_ids : synonymous names
default=
Trnsp_Src_IDs : List of IDs for Transparent Source surfaces.
-trnsp_src_ids : synonymous names
default=
m_ice : Interior core (ICE) mesh flag.
default=0 min=0 max=2
mblend : BL termination flag.
default=1 min=0 max=1
NUMERIC PARAMETERS (OFTEN USED)
cdfrbl : BL geometric growth rate.
-blr : synonymous names
default=1 min=1 max=3
cdfrblm : Maximum BL geometric growth rate.
-blrm : synonymous names
default=1.5 min=1.001 max=4
dsdef : BL initial normal spacing.
-blds : synonymous names
default=0 min=0 max=1e+19
refx : Reference length.
default=0 min=0 max=1e+19
STRING PARAMETERS (OFTEN USED)
BG_Case_Name : Case name for background grid and function file names.
-ib -iback -bcase : synonymous names
default=
FLAG PARAMETERS (SOMETIMES USED)
-backgen2 : Generate a background grid and length-scale function internally.
mbackgen=2
-bldelmax : Set BL thickness equal to the maximum BL thickness.
deldef=0 mbldelmax=1
-blpr : Protect the BL region by reducing the field spacing.
cdf2=0.7
-ext : Use external sizing routine.
meval=1
-met2 : Use metric space with advancing-front point placement.
mmet=1 mpp=2
-met3 : Use metric space with advancing-point point placement.
mmet=1 mpp=3
-no_back : Do not read background grid and length-scale function files.
BG_Flag=0
-no_bldel : Ignore BL thickness specified.
deldef=-1
-no_vol_id : Do not set volume element ID flag.
-no_vid : synonymous names
Set_Vol_ID_Flag=0
-open : Generate an open BL region grid for a closed domain.
mopen=1
-open2 : Generate an open BL region grid for an open domain.
mopen=2
-qall : Generate volume grid quality data for all quality measures.
GQ_Vol_Measure_Flag=15
-qnone : Do not generate any volume grid quality data.
GQ_Vol_Measure_Flag=0
-qsall : Generate surface grid quality data for all quality measures.
GQ_Surf_Measure_Flag=15
-qsnone : Do not generate any surface grid quality data.
GQ_Surf_Measure_Flag=0
-revbl : Reverse BL normals for and open BL region grid with an open domain.
mopen=2 mrevbl=1
-sns : Generate a specified normal spacing (SNS) grid.
mbl=-1
-snss : Set specified normal spacing distribution.
mbl=-1 SNS=
-tags : Use tags data file.
Tags_Data_File_Flag=1
-vid1 : Set volume element region ID flag.
Set_Vol_ID_Flag=1
-vid2 : Set volume element region and BL layer ID flag.
Set_Vol_ID_Flag=2
OPTION PARAMETERS (SOMETIMES USED)
BC_IDs : List of IDs to set grid BC parameters.
bc_ids : synonymous names
default=
GQ_Surf_Measure_Flag : Surface grid quality measure flag.
-qs : synonymous names
default=0 min=0 max=15
GQ_Surf_Output_Flag : Surface grid quality output flag.
default=1 min=0 max=1
GQ_Vol_Measure_Flag : Volume grid quality measure flag.
-q : synonymous names
default=1 min=0 max=15
GQ_Vol_Output_Flag : Volume grid quality output flag.
default=1 min=0 max=1
Grid_BC_Flag : List of grid BC flags to set.
bc_list : synonymous names
default=
iblri : Number of constant spacing BL layers.
-bli : synonymous names
default=5 min=0 max=1000
malign : Metric alignment flag.
default=1 min=0 max=2
mbcheck : Boundary surface mesh check flag.
default=0 min=0 max=1
mblchkv : BL element volume checking flag.
default=1 min=0 max=1
mblelc : BL element combination flag.
default=0 min=0 max=2
mmet : Metric space flag.
default=0 min=0 max=2
mmetblbl : BL blending.
default=0 min=0 max=2
mnbllim : Number of BL layers limiting flag.
default=0 min=0 max=1
mquadp : Quad-Pyramid transition flag.
default=0 min=0 max=1
msource : Source option flag.
default=1 min=0 max=3
mw_met_hist : Output flag for metric space analysis information.
default=0 min=0 max=1
nbl : Maximum BL grid layers to generate.
default=10000 min=0 max=10000000
nbldiff : Maximum difference in BL levels.
default=0 min=0 max=10000000
NUMERIC PARAMETERS (SOMETIMES USED)
BL_DEL : Surface patch BL thickness.
default=
BL_DS : Surface patch initial BL normal spacing.
default=
PS_TMs : Periodic surface rotation matrix list.
default=
PS_XPS0s : Periodic surface translation vector list.
default=
SNS : Specified normal spacing distribution.
default=
blre : Reference Reynolds number.
-Re : synonymous names
default=1e+06 min=0.0001 max=1e+19
blyp : Normalized BL normal spacing.
default=0 min=0 max=1000
cdfrsns : SNS geometric growth rate.
-snsr : synonymous names
default=1.2 min=1 max=3
cdsnbl : Initial BL spacing layer limit ratio.
default=10 min=1 max=1e+19
deldef : BL thickness.
-bldel : synonymous names
default=-1 min=-1 max=1e+19
FLAG PARAMETERS (SELDOM USED)
-blreseti : Reset initial normal spacing and/or BL thickness.
mblreseti=1
-rm_transp : Remove boundary face connectivity of standard transparent surfaces.
mtransp=4
-sl : Generate a structured-layer grid (SL) grid.
mbl=2
-slc : Generate a structured-layer (SL) grid and create prismatic elements.
mbl=2 mblelc=1
-slc2 : Generate a structured-layer (SL) grid and create prism/split-hex elements.
mbl=2 mblelc=2
-slc3 : Generate a structured-layer (SL) grid and create prism/hex elements.
mbl=2 mblelc=2 mquadp=1
-snsi : Specify surface IDs for SNS spacing groups.
SNS_IDs=
-snsids : Generate a SNS grid from specified surfaces.
mbl=-1 BL_IDs=
OPTION PARAMETERS (SELDOM USED)
Rec_IDs : List of IDs to reset Reconnection flag.
-rec_ids : synonymous names
default=
Split_File_Format : Split data file format flag.
-split : synonymous names
default=1 min=0 max=1
mbl : BL grid flag.
default=0 min=-1 max=2
mblchki : BL parameter and surface check flag.
default=0 min=0 max=1
mbldelmax : BL thickness flag.
default=0 min=0 max=1
mblfinal : BL final layer flag.
default=0 min=0 max=1
mblidsmth : BL surface ID smoothing flag.
default=0 min=0 max=1
mbltype : BL type flag.
default=2 min=0 max=2
mchkvoli : Input grid volume check flag.
default=1 min=0 max=1
mdfblminm : BL isotropic length scale limiting flag.
default=0 min=0 max=1
mdflim : Distribution function limiting flag.
default=1 min=0 max=1
mdfs : Quality field sliver deletion flag.
default=1 min=0 max=1
merge_vol_mesh : Set option to merge duplicate boundary nodes and reorder.
default=3 min=0 max=3
mopen : Open BL region grid generation flag.
default=0 min=0 max=2
mqrgen : Quality improvement re-generation flag.
default=1 min=0 max=1
mrecrbf : Global boundary face reconnection flag.
default=1 min=0 max=1
mrevbl : BL normal direction flag.
default=0 min=0 max=1
msave_df : Distribution function (length scale) save flag.
default=0 min=0 max=1
msave_ieliel : Tet element neighbor connectivity save flag.
default=0 min=0 max=1
msave_met : Distribution function (length scale) save flag.
default=0 min=0 max=1
mtransp : Transparent boundary face flag.
default=0 min=-3 max=5
nblsmth : BL normal vector smoothing iterations.
default=20 min=0 max=10000
NUMERIC PARAMETERS (SELDOM USED)
angblqmax : Maximum BL dihedral element angle.
default=165 min=90 max=179.9
angblqmaxd : Maximum discontinuous BL dihedral angle.
default=175 min=90 max=180
angblqmaxd2 : Maximum convex disc. BL dihedral angle.
default=179 min=90 max=180
angqbfq : Maximum quad face angle for hexs.
default=160 min=90 max=180
cbldsm : BL sub-layer spacing multiplier.
default=0.5 min=0 max=1
cblmnr : Maximum normal-direction-aspect-ratio.
default=0.7 min=0 max=100
cblmnrmin : Minimum normal-direction-aspect-ratio.
default=0.25 min=0 max=100
cdf : Distribution function multiplier.
default=1.2 min=0.5 max=3
cdf2 : Distribution function multiplier #2.
default=1.2 min=0.25 max=1e+06
cdfrsl : SL geometric growth rate.
-slr : synonymous names
default=1.2 min=1 max=3
cdfs : Distribution function exclusion zone.
default=1 min=0 max=10
cdfslm : SL initial normal spacing multiplier.
-slf : synonymous names
default=0.5 min=1e-13 max=3
dcdfrbl : BL geometric growth acceleration rate.
-bldr : synonymous names
default=1.05 min=1 max=2
FLAG PARAMETERS (RARELY USED)
-blauto : Automatically calculate growth rate parameters or BL thickness.
cdfrblm=4 bldel=0 mblauto=1
-blf : Specify fraction of laminar BL thickness for initial spacing.
mbltype=1 blyp=
-blgs : Specify surfaces to be grouped for BL streamwise variation.
BLG_IDs=
-grow : Use specified growth in element size.
mdf=2 cdfs=1.0 cdfr=
-grow1 : Use moderate growth in element size.
mdf=2 cdfs=1.0 cdfr=1.2
-grow2 : Use high growth in element size.
mdf=2 cdfs=0.5 cdfr=1.5
-grow3 : Use very high growth in element size.
mdf=2 cdfs=0.0 cdfr=2.0
-quadp : Use pyramids to transition from quad faces.
mquadp=1
-sls : Generate a structured-layer (SL) grid from specified surfaces.
mbl=2 BL_IDs=
-transp : Do not convert source type transparent surfaces.
mtransp=1
OPTION PARAMETERS (RARELY USED)
BG_Flag : Background grid and length-scale function file flag.
default=1 min=0 max=1
BLG_IDs : List of IDs for BL groups.
default=
Number_of_BLs : Limit on BL layers to be generated.
default=
Rec_Flag : List of reconnection flags to reset.
default=
SNS_IDs : List of specified spacing groups IDs.
default=
Set_Vol_ID_Flag : Set volume element ID flag.
default=1 min=0 max=2
Tags_Data_File_Flag : Tags data file flag.
default=0 min=0 max=1
Write_BL_Only : BL element output flag.
default=0 min=0 max=1
Write_Interior : Interior elements output flag.
default=0 min=0 max=1
m_qvrrchk : Quality function Q (based on vol/radius ratio) output flag.
default=0 min=0 max=1
m_volrchk : Output volume ratio check flag.
default=1 min=0 max=2
mblauto : BL auto-parameter flag.
default=0 min=0 max=1
mblreseti : BL initial normal spacing reset flag.
default=0 min=0 max=1
mbv_mode : Boundary normal vector mode.
default=1 min=1 max=3
mchkvol : Final element volume check flag.
default=1 min=1 max=2
mdbs : Boundary sliver deletion flag.
default=1 min=0 max=1
mdf : Distribution function flag.
default=1 min=1 max=2
mdfb : BL interface distribution function flag.
default=0 min=0 max=1
mdsblf : BL spacing thickness factor option.
default=1 min=0 max=2
mdsblfisf : Fixed BL face spacing smoothing option.
default=1 min=0 max=1
mdse : Small edge deletion flag.
default=0 min=0 max=1
melem : Maximum number of elements.
default=0 min=0 max=2000000000
minlpp : Initial centroid node placement flag.
default=1 min=0 max=1
mlsr : Length scale ratio improvement flag.
default=0 min=0 max=1
mpp : Point placement flag.
default=2 min=1 max=3
mqchk : Element quality measure information output flag.
default=1 min=0 max=2
mqpdf : Quad-Pyramid length-scale flag.
default=1 min=1 max=2
mrec4 : 4-4 element local-Reconnection flag.
default=0 min=0 max=1
mrecbdw : Boundary curvature reconnection flag.
default=0 min=0 max=1
mrecbm : Boundary face local-reconnection flag.
default=0 min=-2 max=2
mrecm : Local-Reconnection flag.
default=2 min=1 max=3
mrecqm : Quality local-reconnection flag.
default=2 min=2 max=3
mrecqmf : Final quality local-reconnection flag.
default=3 min=2 max=3
msetabl : Set adjacent surface to BL flag.
default=1 min=0 max=1
msetqp : Quad-Pyramid transition height method.
default=2 min=1 max=3
mw_bc_surf : BC surface file flag.
default=0 min=0 max=1
mw_bl_func : BL level function file flag.
default=0 min=0 max=1
mw_bl_surf : BL surface file flag.
default=0 min=0 max=1
mw_blds_func : BL spacing and normal vector file flag.
default=0 min=0 max=1
mw_blisf_surf : BLISF surface file flag.
default=0 min=0 max=1
mw_blsd_func : BL surface discontinuity function file flag.
default=0 min=0 max=1
mw_func : Write BG function file flag.
default=0 min=0 max=1
mw_func_type : Write BG function file flag.
default=1 min=1 max=2
mw_ice : ICE output debug mesh file flag.
default=0 min=0 max=2
mw_ice_surf : ICE boundary surface file flag.
default=0 min=0 max=2
nblidsmthl : BL surface ID smoothing layers.
default=20 min=2 max=10000000
nblsmthl : BL concave region smoothing layers.
default=10 min=0 max=10000
nblsmthlisf : Fixed BL face smoothing layers.
default=20 min=0 max=10000
nlsrpp : Maximum LSR point placement passes.
default=0 min=0 max=10000000
npsurf : Number of periodic surface pairs.
default=0 min=0 max=10000000
nref_max : ICE maximum number of refinement levels.
default=0 min=0 max=1000000
nsblm : SL normal vector smoothing layers.
default=3 min=1 max=100
NUMERIC PARAMETERS (RARELY USED)
ang_qmax : Output dihedral angle check quality limit.
default=160 min=0 max=180
ang_qmax2 : Output dihedral angle check usable limit.
default=179.9 min=0 max=180
angbfmax : Boundary surface face quality threshold.
default=160 min=60 max=180
angblisimx : Maximum angle between BL intersecting faces.
default=170 min=0 max=180
angblqfmax : Maximum BL interface face angle.
default=170 min=90 max=179.9
angblqfmax2 : Maximum BL interface face angle #2.
default=179 min=90 max=179.9
angdbe : Discontinuous boundary edge angle.
default=30 min=0 max=179.9
angqbf : Maximum planar surface angle.
default=179.5 min=120 max=180
angqbfmin : Minimum planar surface angle.
default=0.0001 min=0 max=180
angslqmax : Maximum SL dihedral element angle.
default=165 min=90 max=179.9
angslqmaxd : Maximum discontinuous SL dihedral angle.
default=175 min=90 max=180
bldup : Normalized BL velocity increment.
default=0 min=0 max=1000
cblcncvmnr : Concave maximum normal-direction-aspect-ratio.
default=0.9 min=0 max=100
cbldel : BL thickness slope multiplier.
default=0.5 min=0 max=1000
cblend : Global BL termination factor.
default=0.1 min=0 max=1
cblisfm : Fixed surface BL check reduction factor.
default=0.25 min=0 max=1
cblnrchkbf : Checking normal-direction-aspect-ratio.
default=0.7 min=0 max=100
cblsmax : BL thickness multiplier.
default=1 min=0.1 max=1000
cblsmaxs : BL normal smoothing multiplier.
default=0.5 min=0 max=1000
cblsmaxsd : BL normal smoothing discontinuity multiplier.
default=1 min=0 max=1000
cblsmthd : Smoothing BL thickness multiplier.
default=0.5 min=0 max=1
cblxlim : Minimum distance for BL variation.
default=0.25 min=1e-06 max=1
cdf_gap_ic : ICE gap length scale multiplier.
default=0.9 min=0.5 max=3
cdf_ic_max : ICE max/min length scale factor.
default=0.9 min=0.5 max=1
cdf_vol : Distribution function multiplier (volume mesh).
default=1 min=0.1 max=1e+06
cdffblm1 : Maximum BL edge length factor #1.
default=1.5 min=1 max=10
cdffblm2 : Maximum BL edge length factor #2.
default=1 min=1 max=1e+06
cdfm : Distribution function weighting factor.
default=0 min=0 max=1
cdfn_gap_ic : ICE gap minimum closest node distance factor.
default=0.7 min=0 max=10
cdfn_se : Small edge factor.
default=0.5 min=0.1 max=0.7
cdfnbl : Nearby BL node factor.
default=0.25 min=0 max=10
cdfqp : Prism element height multiplier.
default=0.5 min=1e-06 max=1e+06
cdfqp_ic : ICE prism element height multiplier.
default=1 min=1e-06 max=1e+06
cdfr : Maximum geometric growth rate.
default=1.1 min=1 max=3
cdfr_gap_ic : ICE maximum geometric growth rate.
default=1 min=0 max=10
cdfrsrc : Maximum geometric source growth rate.
default=1.2 min=1 max=3
cdfssrc : Source distribution function exclusion zone.
default=2 min=0 max=100
csrcw : Source weight.
default=0.8 min=0 max=1
df_ic_max : ICE maximum length scale.
default=0
df_ic_min : ICE minimum length scale.
default=0
dfmax : Maximum distribution function.
default=-1 min=-1 max=1e+19
dsmul : BL spacing multiplier.
-bldsm : synonymous names
default=1 min=0 max=1e+06
dx_tol : Output relative tolerance for element edge-length checking.
default=1e-12 min=0 max=1
lsrcdf : LSRatio improvement limit factor.
default=1.4 min=0.5 max=1000
lsrlimit : LSRatio improvement limit factor.
default=0.0001 min=0 max=1
lsrpplim : LSR point placement limit factor.
default=0.01 min=0 max=1
qvlr_qmin : Quality function Q (based on vol/length ratio) quality limit.
default=0.1 min=0 max=1
qvlr_qmin2 : Quality function Q (based on vol/length ratio) usable limit.
default=0.01 min=0 max=1
qvrr_qmin : Quality function Q (based on vol/radius ratio) quality limit.
default=0.1 min=0 max=1
qvrr_qmin2 : Output quality function Q (based on vol/radius ratio) check usable limit.
default=0.01 min=0 max=1
vol_tol : Output relative tolerance for element volume checking.
default=1e-12 min=0 max=1
volr_qmin : Output volume ratio check quality limit.
default=0.1 min=0 max=1
volr_qmin2 : Output volume ratio check quality limit.
default=0.01 min=0 max=1
vx : Flow X-direction vector component.
default=0 min=-1e+19 max=1e+19
vy : Flow Y-direction vector component.
default=0 min=-1e+19 max=1e+19
vz : Flow Z-direction vector component.
default=0 min=-1e+19 max=1e+19
OPTION PARAMETERS (DO NOT CHANGE)
GQ_Max_Dist_Increments : Maximum quality distribution increments.
default=100 min=10 max=1000
cpu_timer : Routine level CPU timer flag.
default=0 min=0 max=1
m_debug_mode : Debug mode flag.
default=0 min=0 max=1
mbackgen : Generate a background grid.
default=0 min=0 max=5
mfchkn : Candidate to node checking flag.
default=0 min=0 max=1
mimadd : Initial grid generation element flag option.
default=1 min=0 max=1
mmetb : Boundary face aspect-ratio metric flag.
default=0 min=0 max=1
mpfrmt : Memory reduction output grid file format.
default=4
mrecim : Initial local-reconnection flag.
default=2 min=1 max=3
mreciqm : Initial quality local-reconnection flag.
default=3 min=2 max=3
msetbc : Set grid boundary condition flag option.
default=0 min=0 max=3
msmth : Smoothing flag.
default=1 min=1 max=2
msrchgen : Generate a searching grid.
default=0 min=0 max=1
mtrb : Boundary face aspect-ratio transformation flag.
default=1 min=0 max=1
mw_debug_grid : Debug volume grid file flag.
default=0 min=0 max=1
mw_fail : Temporary surface FAIL file flag.
default=1 min=0 max=1
nbfmqrgen : Maximum quality improvement/re-generation boundary-faces.
default=100 min=2 max=2000000000
nbld : Maximum total BL grid layers allowable.
default=10000 min=0 max=10000000
nbldd : Number of discontinuity levels.
default=5 min=2 max=100
nblpnmin : Minimum number of surrounding BL nodes.
default=3 min=2 max=100
nblrbf : BL level difference reconnection limit.
default=20 min=-1 max=10000000
nbngrp : Number of boundary node groups.
default=10 min=1 max=10000000
ndfsmth : Max distribution function BL smoothing iterations.
default=100 min=0 max=10000000
nelemdm : Minimum number of elements to allocate.
default=1000 min=100 max=10000000
nelhull : Number of convex hull element pairs.
default=5 min=4 max=100
nelpnn : Number of elements per node.
default=5 min=2 max=7
nelpnni : Number of initial elements per node.
default=5 min=2 max=100
ngen : Maximum number of grid passes.
default=10000 min=0 max=10000000
ninlpp : Maximum initial point placement passes.
default=4 min=0 max=10000000
ninsmax : Maximum element subdivisions.
default=3 min=1 max=10000000
ninsmaxgg : Maximum field grid element subdivisions.
default=100 min=1 max=10000000
nlsrgen : Maximum number of LSRatio passes.
default=10 min=1 max=10000000
nmnrealloc : Minimum array elements to reallocate.
default=10000 min=100 max=10000000
nnpbchk : Quad-/Oct-tree bin checking node limit.
default=100 min=10 max=10000
nnpbeval : Quad-/Oct-tree bin evaluation node limit.
default=10 min=10 max=10000
nnpnni : Number of nodes per initial node.
default=2 min=1 max=10
nqrgadd : Minimum additional grid re-generation nodes.
default=10 min=0 max=1000000
nqrgen : Quality improvement grid re-generation iterations.
default=2 min=1 max=10
nqual : Number of quality improvement passes.
default=2 min=0 max=10
nqualf : Number of quality improvement repeats.
default=1 min=0 max=10
nseedpp : Maximum seed point placement passes.
default=3 min=0 max=10000000
nsetblip : Minimum number of faces on a BL plane.
default=4 min=1 max=99999999
nsmth : Number of smoothing iterations.
default=3 min=0 max=10
NUMERIC PARAMETERS (DO NOT CHANGE)
ang_bv_disc : BL discontinuous surface normal angle.
default=30 min=0 max=180
ang_bv_sharp : BL sharp surface edge angle.
default=179.99 min=179 max=180
ang_bv_smooth : BL smooth surface normal angle.
default=2 min=0 max=180
angbd : Discontinuous surface angle.
default=140 min=90 max=179.9
angbldd : BL discontinuous surface angle.
default=15 min=0 max=90
angbldd2 : BL very discontinuous surface angle.
default=85 min=0 max=90
angblipmax : Maximum normal deviation on a plane.
default=0.5 min=0 max=10
angblisfqmx1 : Max. quad angle for fixed BL faces.
default=140 min=90 max=180
angblisfqmx2 : Max. deviation angle for fixed BL faces.
default=15 min=0 max=90
angblsd : BL small dihedral angle.
default=2 min=0 max=45
angdbs : Boundary sliver dihedral element angle.
default=160 min=120 max=179.9
angdfs : Quality field sliver dihedral angle.
default=165 min=120 max=179.9
angmax : Satisfied dihedral element angle.
default=150 min=120 max=179.9
angqbfm : Maximum low-quality planar surface angle.
default=160 min=0 max=180
angqfadd : Very low quality element dihedral element angle.
default=179 min=0 max=180
angqmax : Low quality dihedral element angle.
default=160 min=90 max=179.9
angqmsk : Masking dihedral element angle.
default=120 min=90 max=179.9
angqrgen : Re-generation dihedral element angle.
default=165 min=70 max=179.9
angqual : Final quality dihedral element angle.
default=120 min=70 max=179.9
angrbfdd : Discontinuous dihedral surface angle.
default=150 min=120 max=179.9
angrbfdd2 : Discontinuous dihedral surface angle 2.
default=120 min=100 max=179.9
angrbfmxd : Maximum angle for curvature improvement.
default=110 min=60 max=179.9
angrbfmxp : Maximum planar face angle.
default=140 min=60 max=179.9
angrbfsd : Small dihedral surface angle.
default=2 min=0 max=10
angrbfsd : Small dihedral surface angle.
default=2 min=0 max=10
angrbfsd2 : Small dihedral surface angle.
default=0 min=0 max=10
arrbfn : Boundary recovery normal transformation aspect-ratio.
default=100 min=1 max=1e+07
arrbfp : Boundary recovery pair transformation aspect-ratio.
default=2 min=1 max=1e+07
arrecbf : Maximum aspect-ratio for boundary faces.
default=0 min=0 max=1e+07
artrmin : Transformation minimum aspect-ratio.
default=1 min=1 max=1e+07
bdfmchk : Quad-/Oct-tree bin checking size factor.
default=1 min=1 max=100000
bdfmchk_ic_srch : ICE search oct-tree bin checking size factor.
default=10 min=1 max=100000
bdfmeval : Quad-/Oct-tree bin evaluation size factor.
default=1 min=1 max=100000
bfdwrec : Boundary curvature improvement factor.
default=0.25 min=0 max=1
bv_det_tol : Small LS determinant value.
default=0.001 min=0 max=1
bv_diff_tol : Redundant normal vector tolerance.
default=1e-06 min=0 max=1
bv_ev_sharp : Sharp edge normal vector perturbation.
default=1e-06 min=0 max=1
cartrm : Transformation aspect-ratio coefficient.
default=0.866 min=0 max=10
cbidx : Initial bounding box size factor.
default=2 min=1 max=100000
cblchkbb : Intersection checking box size factor.
default=0 min=0 max=1000
cblcncv : Concave BL region factor.
default=0 min=0 max=1000
cblsrchbb : Nearby node search bounding box size factor.
default=3 min=1 max=1000
cblsrchbb2 : Nearby surf search bounding box size factor.
default=1.2 min=1 max=1000
cbltrm : Anisotropic blending coefficient.
default=1 min=0 max=1e+19
cbmv1 : Initial boundary node movement tolerance.
default=1e-08 min=0 max=0.01
cbmv2 : Final boundary node movement tolerance.
default=0.001 min=0 max=0.01
cbmvm : Boundary node movement multiplier.
default=10 min=2 max=1e+06
cdff : Satisfied edge length multiplier.
default=1.5 min=1.1 max=3
cdff2 : Satisfied edge length multiplier #2.
default=2 min=1.1 max=3
cdfn : Nearby node factor.
default=0.7 min=0.5 max=0.9
cdfn2 : Nearby node factor #2.
default=0.65 min=0.5 max=0.9
cdfnqp : Nearby prism tip node factor.
default=0.25 min=1e-06 max=0.9
cdfnqp_ic : ICE nearby prism tip node factor.
default=0.5 min=1e-06 max=0.9
cdfqrg : Initial re-generation distribution function multiplier
default=1 min=0.5 max=1e+06
cdfqrgmin : Minimum re-generation distribution function multiplier.
default=0.5 min=1e-06 max=1e+06
cdsblr : Blended BL surface growth rate.
default=1.2 min=1.001 max=3
cdsblrm : Maximum blended BL surface growth rate.
default=1.5 min=1.001 max=4
cdvtol : Delaunay tolerance exponent.
default=1 min=0.5 max=1
cdvtolr : Delaunay tolerance reduction factor.
default=0.01 min=1e-06 max=0.1
cgtol : Mesh merge glue tolerance factor.
default=10 min=1 max=1e+12
cinlpp : Initial point placement factor.
default=0.1 min=0 max=0.5
cmv1 : Initial node movement tolerance.
default=0.001 min=0 max=0.1
cmv2 : Final node movement tolerance.
default=0.1 min=0 max=0.25
cmvm : Node movement multiplier.
default=10 min=2 max=1e+06
cnnpnni : Number of initial nodes multiplier.
default=1.25 min=1 max=3
crbf : Boundary recovery node placement factor.
default=1 min=0 max=1e+07
crealloc : Reallocation multiplier.
default=1.25 min=1.05 max=2
cslend : Global SL termination factor.
-slend : synonymous names
default=0.5 min=0 max=1
csmin : Tolerance exponent for searching.
default=0.8 min=0.4 max=0.9
csmini : Initial tolerance exponent.
default=0.25 min=0.125 max=0.9
csmth : Smoothing coefficient.
default=0.5 min=0 max=1
ctol : Overall tolerance exponent.
default=0.94 min=0.8 max=0.94
ctoli : Initial tolerance exponent.
default=0.5 min=0.4 max=0.94
ctolm : BL grid volume tolerance exponent.
default=0.88 min=0.5 max=0.94
ctolm : Initial grid volume tolerance exponent.
default=0.88 min=0.5 max=0.94
dangqrgen : Re-generation element angle tolerance.
default=1 min=0 max=180
dcdfqrg : Re-generation distribution function factor.
default=0.1 min=1e-06 max=1e+06
dcdsblr : Blended BL surface acceleration rate
default=1.05 min=1 max=2
dfsmthlim : Distribution function BL smoothing limit
default=0.1 min=0 max=10
dfsmthtol : Distribution function BL smoothing tolerance
default=0.001 min=0 max=1
dsblfisfmax : Fixed BL face maximum spacing factor.
default=50 min=1 max=1e+06
dsblfmax : BL spacing thickness factor.
default=100 min=1 max=1e+06
dvtol0 : Initial Delaunay tolerance value.
default=0.0001 min=1e-18 max=0.1
gtol_ic : ICE glue tolerance.
default=1e-06 min=0 max=1
lsrszmin : LSRatio surface mode size factor.
default=3 min=1.5 max=1e+06
relem0 : Re-numbering limit.
default=0.1 min=0 max=1
sminj : Face intersection location tolerance.
default=0.3 min=0 max=1e+06
trds : Surf transformation normal spacing.
default=0 min=0 max=1e+19
trmmax : Maximum anisotropic blending vector.
default=100 min=1 max=1e+19
vsmthb : Smoothing reduction factor.
default=0.5 min=0 max=1