UDF
anisotropic diffusivity 307
emissivity weighting factor 476
scattering phase function 315
UDF Library Manager dialog box 1363
UDFs
compilation environment 12
UDS
anisotropic diffusivity 306
boundary conditions, setting 342
diffusivity 304
anisotropic 306
cylindrical orthotropic 306
orthotropic 306
equations
diffusivity 304
isotropic diffusion 305
isotropic diffusivity 341
postprocessing 342
setting up
boundary conditions 342
diffusivity 342
flux function 342
solution controls 342
source terms 342
UDS Diffusion Coefficients dialog box 1086 305
UDS Index 342 UDS transport equations
about 340
anisotropic diffusivity 341
diffusion coefficient 341
multiphase flows 342 341
multiphase mass flux 341
single phase flow 342 341
terms
diffusion 342
flux 342
source 342
transient 342
theory 342
unburnt mixture
physical properties 597
species concentration 592 604
under-relaxation
default values 786
discrete phase 705
inputs for 786
of density 520
of energy 468
of temperature 468
with PISO 785
with SIMPLEC 785
under-relaxation of variables
density-based solver 791
underhood simulations, automotive 208 475
Ungrouped Macro Heat Exchanger dialog box 1032
uniform distribution
for display 882 880
units 984 155
conversion factors 159
custom systems 159
for custom field functions 985
for length 213
restrictions 156
unsteady flows 806
see also time-dependent problems
in multiple reference frames 370
unsteady laminar flamelet model
see also flamelet model
setting up 548
using 553
zeroing species 564
user-defined anisotropic diffusivity 307
User-Defined Database Materials dialog box 1058
user-defined fan model 260
User-Defined Fan Model dialog box 1368 262
User-Defined Function Hooks dialog box 1364
user-defined functions (UDFs) 224
see also UDF Manual
discrete phase 696 677
turbulence 444
units in 156
update of 805
User-Defined Functions dialog box 1066
user-defined mass flux 341
user-defined materials database 278
User-Defined Memory dialog box 1367
user-defined quantities
non-isotropic thermal conductivity 233
porosity 233
resistance coefficients 233
user-defined real gas model (UDRGM) 334
ideal gas equation example 337
user-defined scalars
defining, multiphase flow 342
theory, multiphase flow 341
theory, single phase flow 341
User-Defined Scalars dialog box 342 342 1366
User Defined Scalar Sources dialog box 342
user interface
graphical 24
text 47
User Services Center
access from the interface 43
users, current 45
using the manual 2
utilities
see filters
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