FLOW-3D FEATURES

youfa

MESHING
• Structured finite difference
• Multi-Block Gridding
o Embedded blocks
o Linked blocks
• Free Gridding
FLOW TYPE OPTIONS
• Internal and external flows
• Three, two and one dimensions
• Time-dependent or steady state
• Cartesian or cylindrical
coordinates
• Navier-Stokes, Potential or
Euler Solvers
• Non-inertial reference frames
• Discrete mass and marker
particles
• Multiple scalar species
• Binary chemical reactions
• Two-phase flows
FLOW DEFINITION
OPTIONS
• General initial conditions
• Boundary conditions
o Symmetry
o Rigid walls
o Continuative
o Periodic
o Specified pressure
o Specified velocity
o Outflow
o Grid overlay
o Hydrostatic
o Customize
• Restart previous simulation
o Continuation of a
simulation
o Overlay data from a
previous simulation
o Add, delete or change
model parameters
NUMERICAL MODELING
OPTIONS
• Volume-of-Fluid (VOF) method
for fluid interfaces
• Fractional areas/volumes
(FAVOR) for smooth obstacle
definition
• First or second order advection
• Sharp interface tracking
• Implicit or explicit viscous flow
• Implicit or explicit heat transfer
• Point and line relaxation solvers
• User-defined variables,
subroutines and output
• Utilities for user interaction
during execution
FLUID MODELING OPTIONS
• One incompressible fluid –
confined or with free surfaces
• Two incompressible fluids –
mixed or with sharp interfaces
• Compressible fluid – subsonic,
transonic or supersonic
• Stratified fluid
• Acoustic phenomena
• Mass particles
THERMAL MODELING
OPTIONS
• Natural convection
• Forced convection
• Fluid and solid conduction
• Fluid-solid heat transfer
o Conduction
o Specified heat flux
o Specified temperature
• Heat transfer to voids from
fluid/obstacles
• Distributed energy sources/sinks
in fluids or solids
• Radiation by emissivity
• Viscous heating
PHYSICAL MODELING
OPTIONS
• Scour & erosion/deposition
• Cavitation
• Phase change (liquid-solid and
liquid-gas)
• Surface tension
• Thermocapillary effects
• Wall adhesion
• Wall roughness
• Adiabatic vapor bubbles
• Bubbles with phase change
• Solidification and melting
(heat-of-transformation table)
• Distributed mass/energy
sources
• Shear, density and
temperature-dependent
viscosity
• Thixotropic viscosity
• Electric potential
• Dielectric phenomena
• Evaporation
SPECIAL PHYSICAL
MODELS
• Rotating/spinning obstacles
• Translating and flexing obstacles
• Porous baffles with linear and
quadratic flow losses
METAL CASTING MODELS
• Solidification and melting (heatof-
transformation table)
• Solidification shrinkage
• Binary segregation during
solidification
• Solid-fraction dependent
solidification
• Die cycling
• Surface defect tracking
• Lost-Foam casting model
• Semi-solid material models
• Moisture in sand molds
• Adiabatic air bubbles
FLOW-3D® FEATURES
(cont’d)
TURBULENCE MODELS
• Prandtl mixing length
• One-equation transport
• Two-equation k-E transport
• RNG (renormalized group
theory)
• Large eddy simulation
POROUS MEDIA MODELS
• Variable porosity
• Directional porosity
• General flow losses (linear and/or
quadratic)
• Capillary pressure
• Unsaturated flow
• Heat transfer in porous media
TWO-PHASE AND TWOCOMPONENT
MODELS
• Liquid/liquid and gas/liquid
interfaces
• Two-fluid mixtures
• One compressible fluid with a
di***ursed incompressible
component
• Two-component drift-flux
• Phase transformations for gasliquid
and liquid-solid
• Adiabatic bubbles
• Bubbles with phase change
• Continuum fluid with discrete
particles
CHEMISTRY MODELS
• Stiff equation solver for chemical
rate equations
• Frozen or fluid-transported
species
SHALLOW FLOW
MODELS
• Shallow-water model
• General topography
• Multiple fluid regions
• Wetting and drying
• Wind shear and ground
roughness effects
DISCRETE PARTICLE
MODELS
• Massless marker particles
• Mass particles of variable
size/mass
• Linear and quadratic fluiddynamic
drag
• Monte-Carlo diffusion
• Particle-Fluid momentum
coupling
• Coefficient of restitution
• Point or distributed particle
sources
AUTOMATIC FEATURES
• Mesh, obstacle and initial
condition generators
• Time-step control for accuracy
and stability
• Automatic limited
compressibility
• Convergence and relaxation
levels determined by FLOW-
3D®
• Automatic graph generation
• Mentor help in optimizing use of
the program
DATA PROCESSING
OPTIONS
• Automatic plot generation or
custom plot requests
• FLOW-VU for manipulating 3D
displays (Including grid
overlay)
• Color or B/W vector, contour,
3D surface and particle plots
• History and probe data
• Force and momentum
computations
• Animation generation
• PostScript and Bitmap printing
• Streamlines
• STL geometry viewer
COUPLING WITH OTHER
PROGRAMS
• Geometry input from
Stereolithography (STL) files –
binary or ASCII
• Geometry input from ANSYS or
I’DEAS tetrahedral data
• Direct interfaces with Ensight
and FieldView data
visualization programs
• Output for PLOT3D compatible
visualization programs
• Neutral file output
• Extensive customization tools
SUPPORTED PLATFORMS
Unix
DEC Alpha Tru-Unix
(O/S: Digital Unix 4.0 and above)
HP (O/S: HPUX 10.2 and above)
IBM (O/S: RS6000 AIX 4.3 and
above)
Sun Microsystems (O/S: SunOS 5.6
and above)
Silicon Graphics (O/S: IRIX 6.4
and above)
PC
Pentium Pro through Pentium 4
(O/S: Windows NT 4.0, Windows
2000 and Linux)
HARDWARE
REQUIREMENTS
The principal number crunching
portions of FLOW-3D® are written
in FORTRAN 90 so that problems
of any size may be solved provided
there is sufficient memory
available. A rough rule-of-thumb is
to figure about 8 MB of RAM for
every 15,000 control volumes
(elements). Thus, a computer with
a 512 MB of available RAM would
be capable of running a simulation
having up to 960,000 control
volumes.

hotpie

这几天辛苦了
加分奖励一下
提醒一下：以后大于1M的资料最好上传到论坛的ftp上面！

youfa

我上网必须用代理服务器，我到现在也登陆不了论坛的ftp，不知道怎么回事，总是连接不上ftp，郁闷着呢，呵呵

youfa

我上网必须用代理服务器，我到现在也登陆不了论坛的ftp，不知道怎么回事，总是连接不上ftp，郁闷着呢，呵呵

hotpie

youfa wrote:
我上网必须用代理服务器，我到现在也登陆不了论坛的ftp，不知道怎么回事，总是连接不上ftp，郁闷着呢，呵呵

你必须使用使用ｓｏｃｋｓ服务器才能登陆

youfa

我这个是办公网，只有http代理的帐号，要是只能用socks的话，我怕我是登陆不了了，那可怎么办啊