我要算的是铝电解槽中的气液两相流,液体装在槽子中。气泡体积分数为10%,在固体壁面上产生(把此壁面当作气体的入口),再进入液体中运动,搅动液体循环,最后气泡由出口(设为Press型patch)逸出。
看看我的command文件对不对?还有那些要注意的问题吗?我用的是CFX4.3
>>CFX4
>>SET LIMITS
TOTAL INTEGER WORK SPACE 50000000
TOTAL CHARACTER WORK SPACE 1000000
TOTAL REAL WORK SPACE 100000000
MAXIMUM NUMBER OF BLOCKS 200
MAXIMUM NUMBER OF PATCHES 100
MAXIMUM NUMBER OF INTER BLOCK BOUNDARIES 100
>>OPTIONS
TURBULENT FLOW
BUOYANT FLOW
NUMBER OF PHASES 2
>>MODEL DATA
>>AMBIENT VARIABLES
PHASE NAME 'PHASE1'
VOLUME FRACTION 9.0000E-01
>>AMBIENT VARIABLES
PHASE NAME 'PHASE2'
VOLUME FRACTION 1.0000E-01
>>DIFFERENCING SCHEME
U VELOCITY 'HYBRID'
V VELOCITY 'HYBRID'
W VELOCITY 'HYBRID'
PRESSURE 'CENTRAL'
VOLUME FRACTION 'UPWIND'
K 'HYBRID'
EPSILON 'HYBRID'
>>HYSICAL PROPERTIES
>>BUOYANCY PARAMETERS
GRAVITY VECTOR 0.000000E+00 -9.810000E+00 0.000000E+00
BUOYANCY REFERENCE DENSITY 2.1300E+03
>>FLUID PARAMETERS
PHASE NAME 'PHASE1'
VISCOSITY 3.0000E-03
DENSITY 2.1300E+03
>>FLUID PARAMETERS
PHASE NAME 'PHASE2'
VISCOSITY 1.8773E-04
DENSITY 4.0000E-01
>>MULTIPHASE PARAMETERS
>>HASE DESCRIPTION
PHASE NAME 'PHASE1'
LIQUID
CONTINUOUS
>>HASE DESCRIPTION
PHASE NAME 'PHASE2'
GAS
DISPERSE
MEAN DIAMETER 2.0000E-02
>>MULTIPHASE MODELS
>>MOMENTUM
INTER PHASE TRANSFER
IPSAC
>>INTER PHASE TRANSFER MODELS
>>MOMENTUM
FIRST PHASE NAME 'PHASE1'
SECOND PHASE NAME 'PHASE2'
SURFACE TENSION COEFFICIENT 2.5000E-02
>>PARTICLE DRAG MODEL
FLOW REGIME 'DISTORTED'
>>NON DRAG FORCES
LIFT FORCE
LIFT COEFFICIENT 3.0000E-02
WALL LUBRICATION FORCE
LUBRICATION COEFFICIENTS -1.000000E-02 5.000000E-02
TURBULENT DISPERSION FORCE
DISPERSION COEFFICIENT 1.0000E-01
>>TURBULENCE PARAMETERS
>>TURBULENCE MODEL
PHASE NAME 'PHASE1'
TURBULENCE MODEL 'K-EPSILON'
PARTICLE INDUCED TURBULENCE 'SATO'
>>TURBULENCE MODEL
PHASE NAME 'PHASE2'
TURBULENCE MODEL 'K-EPSILON'
PARTICLE INDUCED TURBULENCE 'SATO'
>>TURBULENCE CONSTANTS
CMUPI 6.0000E-01
>>SOLVER DATA
>>PROGRAM CONTROL
MAXIMUM NUMBER OF ITERATIONS 2000
MASS SOURCE TOLERANCE 1.0000E-04
>>EQUATION SOLVERS
U VELOCITY 'STONE'
V VELOCITY 'STONE'
W VELOCITY 'STONE'
PRESSURE 'ICCG'
VOLUME FRACTION 'STONE'
K 'STONE'
EPSILON 'STONE'
>>FALSE TIMESTEPS
U VELOCITY 1.0000E-03
V VELOCITY 1.0000E-03
W VELOCITY 1.0000E-03
VOLUME FRACTION 1.0000E-03
K 1.0000E-03
EPSILON 1.0000E-03
>>REDUCTION FACTORS
U VELOCITY 1.0000E-01
V VELOCITY 1.0000E-01
W VELOCITY 1.0000E-01
PRESSURE 1.0000E-02
VOLUME FRACTION 1.0000E-01
K 1.0000E-01
EPSILON 1.0000E-01
>>SWEEPS INFORMATION
>>MAXIMUM NUMBER
U VELOCITY 100
V VELOCITY 100
W VELOCITY 100
PRESSURE 500
VOLUME FRACTION 100
K 100
EPSILON 100
>>UNDER RELAXATION FACTORS
U VELOCITY 1.0000E-01
V VELOCITY 1.0000E-01
W VELOCITY 1.0000E-01
PRESSURE 1.0000E-01
VOLUME FRACTION 1.0000E-01
K 1.0000E-03
EPSILON 1.0000E-03
>>MODEL BOUNDARY CONDITIONS
>>INLET BOUNDARIES
PHASE NAME 'PHASE2'
PATCH NAME 'INLET1'
U VELOCITY 0.0000E+00
V VELOCITY -2.0000E-03
W VELOCITY 0.0000E+00
K 1.0000E-04
EPSILON 1.0000E-04
>>INLET BOUNDARIES
PHASE NAME 'PHASE2'
PATCH NAME 'INLET2'
U VELOCITY 0.0000E+00
V VELOCITY -2.0000E-03
W VELOCITY 0.0000E+00
K 1.0000E-04
EPSILON 1.0000E-04
>>PRESSURE BOUNDARIES
PHASE NAME 'PHASE2'
PATCH NAME 'PRESS1'
PRESSURE 0.0000E+00
>>PRESSURE BOUNDARIES
PHASE NAME 'PHASE2'
PATCH NAME 'PRESS2'
PRESSURE 0.0000E+00
>>STOP