求助:结果总是不对
有一个直径为0.12m,温度为900度的钢球突然放入盛满水的,完全绝热的横截面直径和高度均为0.6m的圆柱体水箱中,水的温度为20度,材料参数为:水:密度=1000; K=0.6;C=4185;钢:密度=7800;K=70;C=448。求解十分钟后钢球与水的温度分布(忽略水的流动,钢球置于水箱正中央)。这是命令流,请大家帮我看看 谢谢了
LIBRARY:MATERIAL: Steel
Material Group = CHT Solids,Particle Solids
Option = Pure Substance
Thermodynamic State = Solid
PROPERTIES:
Option = General Material
EQUATION OF STATE:
Density = 7854
Molar Mass = 55.85
Option = Value
END
SPECIFIC HEAT CAPACITY:
Option = Value
Reference Specific Enthalpy = 0
Reference Specific Entropy = 0
Reference Temperature = 25
Specific Heat Capacity = 4.34E+02
END
THERMAL CONDUCTIVITY:
Option = Value
Thermal Conductivity = 60.5
END
END
END
MATERIAL: Water
Material Description = Water (liquid)
Material Group = Constant Property Liquids,Water Data
Option = Pure Substance
Thermodynamic State = Liquid
PROPERTIES:
Option = General Material
Thermal Expansivity = 2.57E-04
ABSORPTION COEFFICIENT:
Absorption Coefficient = 1.0
Option = Value
END
DYNAMIC VISCOSITY:
Dynamic Viscosity = 8.899E-4
Option = Value
END
EQUATION OF STATE:
Density = 997.0
Molar Mass = 18.02
Option = Value
END
REFRACTIVE INDEX:
Option = Value
Refractive Index = 1.0
END
SCATTERING COEFFICIENT:
Option = Value
Scattering Coefficient = 0.0
END
SPECIFIC HEAT CAPACITY:
Option = Value
Reference Pressure = 1
Reference Specific Enthalpy = 0.0
Reference Specific Entropy = 0.0
Reference Temperature = 25
Specific Heat Capacity = 4181.7
Specific Heat Type = Constant Pressure
END
THERMAL CONDUCTIVITY:
Option = Value
Thermal Conductivity = 0.6069
END
END
END
END
EXECUTION CONTROL:
PARALLEL HOST LIBRARY:
HOST DEFINITION: liuzhanb
Installation Root = D:\Ansys Inc\CFX\CFX-%v
Host Architecture String = intel_k6_winnt5.1
END
END
PARTITIONER STEP CONTROL:
Multidomain Option = Independent Partitioning
Runtime Priority = Standard
MEMORY CONTROL:
Memory Allocation Factor = 1.0
END
PARTITIONING TYPE:
MeTiS Type = k-way
Option = MeTiS
Partition Size Rule = Automatic
END
END
RUN DEFINITION:
Definition File = F:/CFX/Sixth.def
Interpolate Initial Values = Off
Run Mode = Full
END
SOLVER STEP CONTROL:
Runtime Priority = Standard
EXECUTABLE SELECTION:
Double Precision = Off
END
MEMORY CONTROL:
Memory Allocation Factor = 1.0
END
PARALLEL ENVIRONMENT:
Number of Processes = 1
Start Method = Serial
END
END
END
FLOW:
DOMAIN: Fluid
Coord Frame = Coord 0
Domain Type = Fluid
Fluids List = Water
Location = FULID
BOUNDARY: Sym1
Boundary Type = SYMMETRY
Location = SYM.1,SYM.2 A,SYM.3
END
BOUNDARY: Wall
Boundary Type = WALL
Location = CUB.1,CUB.2,CUB.3
BOUNDARY CONDITIONS:
HEAT TRANSFER:
Option = Adiabatic
END
WALL INFLUENCE ON FLOW:
Option = No Slip
END
END
END
BOUNDARY: SF Side 1
Boundary Type = INTERFACE
Location = SHER 1
BOUNDARY CONDITIONS:
HEAT TRANSFER:
Option = Conservative Interface Flux
END
WALL INFLUENCE ON FLOW:
Option = No Slip
END
END
END
DOMAIN MODELS:
BUOYANCY MODEL:
Buoyancy Reference Temperature = 298
Gravity X Component = 0
Gravity Y Component = 0
Gravity Z Component = -9.81
Option = Buoyant
BUOYANCY REFERENCE LOCATION:
Option = Automatic
END
END
DOMAIN MOTION:
Option = Stationary
END
MESH DEFORMATION:
Option = None
END
REFERENCE PRESSURE:
Reference Pressure = 0
END
END
FLUID MODELS:
COMBUSTION MODEL:
Option = None
END
HEAT TRANSFER MODEL:
Option = Thermal Energy
END
THERMAL RADIATION MODEL:
Option = None
END
TURBULENCE MODEL:
Option = Laminar
END
END
INITIALISATION:
Option = Automatic
INITIAL CONDITIONS:
Velocity Type = Cartesian
CARTESIAN VELOCITY COMPONENTS:
Option = Automatic with Value
U = 0
V = 0
W = 0
END
STATIC PRESSURE:
Option = Automatic with Value
Relative Pressure = 1
END
TEMPERATURE:
Option = Automatic with Value
Temperature = 293
END
END
END
END
DOMAIN: Solid
Domain Type = Solid
Location = SOLID
Solids List = Steel
BOUNDARY: Sym2
Boundary Type = SYMMETRY
Location = SYM.2 B,SYM.4,SYM.5
END
BOUNDARY: SF Side 2
Boundary Type = INTERFACE
Location = SHER 2
BOUNDARY CONDITIONS:
HEAT TRANSFER:
Option = Conservative Interface Flux
END
WALL ROUGHNESS:
Option = Smooth Wall
END
END
END
DOMAIN MODELS:
DOMAIN MOTION:
Option = Stationary
END
MESH DEFORMATION:
Option = None
END
END
INITIALISATION:
Option = Automatic
INITIAL CONDITIONS:
TEMPERATURE:
Option = Automatic with Value
Temperature = 1173
END
END
END
SOLID MODELS:
HEAT TRANSFER MODEL:
Option = Thermal Energy
END
THERMAL RADIATION MODEL:
Option = None
END
END
END
DOMAIN INTERFACE: SF
Boundary List1 = SF Side 1
Boundary List2 = SF Side 2
Connection Type = Direct
Interface Type = Fluid Solid
END
OUTPUT CONTROL:
RESULTS:
File Compression Level = Default
Option = Standard
END
END
SIMULATION TYPE:
Option = Transient
INITIAL TIME:
Option = Automatic with Value
Time = 0
END
TIME DURATION:
Option = Total Time
Total Time = 10
END
TIME STEPS:
Option = Timesteps
Timesteps = 0.05
END
END
SOLUTION UNITS:
Angle Units =
Length Units =
Mass Units =
Solid Angle Units =
Temperature Units =
Time Units =
END
SOLVER CONTROL:
ADVECTION SCHEME:
Option = High Resolution
END
CONVERGENCE CONTROL:
Maximum Number of Coefficient Loops = 10
Timescale Control = Coefficient Loops
END
CONVERGENCE CRITERIA:
Residual Target = 1.E-4
Residual Type = RMS
END
TRANSIENT SCHEME:
Option = Second Order Backward Euler
END
END
END
COMMAND FILE:
Version = 10.0
Results Version = 10.0
END
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