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zyfy19880801新蟲 (初入文壇)
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[求助]
本人計(jì)算某離心甩油燃燒室，總是出錯(cuò)
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本人計(jì)算某離心甩油燃燒室，總是出錯(cuò)。模型為1/18，但結(jié)構(gòu)并非完全對(duì)稱。試過過多次，以前師兄曾經(jīng)算過，我 用他的網(wǎng)格，自己設(shè)置發(fā)現(xiàn)可以計(jì)算，所以很可能是網(wǎng)格問題，網(wǎng)格質(zhì)量0.16以上，但又不知問題出在哪里？錯(cuò)誤如下： 一種錯(cuò)誤： +--------------------------------------------------------------------+ | | | Solver | | | +--------------------------------------------------------------------+ +--------------------------------------------------------------------+ | | | ANSYS CFX Solver 13.0 | | | | Version 2010.10.01-23.02 Sat Oct 2 02:31:59 GMTDT 2010 | | | | Executable Attributes | | | | single-int32-64bit-novc8-noifort-novc6-optimised-supfort-noprof-nos| | | | Copyright 2010 ANSYS Inc. | +--------------------------------------------------------------------+ +--------------------------------------------------------------------+ | Job Information | +--------------------------------------------------------------------+ Run mode: serial run Host computer: WIN-T63IF9IQR2K (PID:2172) Job started: Tue Mar 18 09:53:39 2014 +--------------------------------------------------------------------+ | ****** Notice ****** | | | | The specified value for the REAL parameter | | | | SOLVER_RELAXATION_SCALAR | | | | is out of bounds and has been clipped to its UPPER bound. | | | | Lower bound: 1.000E-30 | | Upper bound: 1.000E+00 | | Specified value: 1.200E+00 | +--------------------------------------------------------------------+ +--------------------------------------------------------------------+ | Memory Allocated for Run (Actual usage may be less) | +--------------------------------------------------------------------+ Data Type Kwords Words/Node Words/Elem Kbytes Bytes/Node Real 92875.7 539.85 106.61 362795.7 2159.41 Integer 28919.2 168.10 33.19 112965.5 672.39 Character 3686.8 21.43 4.23 3600.4 21.43 Logical 80.0 0.47 0.09 312.5 1.86 Double 608.0 3.53 0.70 4750.0 28.27 +--------------------------------------------------------------------+ | ****** Notice ****** | | | | The specified value for the REAL parameter | | | | SOLVER_RELAXATION_SCALAR | | | | is out of bounds and has been clipped to its UPPER bound. | | | | Lower bound: 1.000E-30 | | Upper bound: 1.000E+00 | | Specified value: 1.200E+00 | +--------------------------------------------------------------------+ +--------------------------------------------------------------------+ | ****** Notice ****** | | The Wall Heat Transfer Coefficient written to the results file for | | Gas Mixture | | is based on the turbulent wall function coefficient. It is | | consistent with the Wall Heat Flux, the wall temperature, and the | | Wall Adjacent Temperature (near-wall temperature). If you would | | like it to be based on a user-specified bulk temperature instead, | | please set the expert parameter "tbulk for htc = <value>". | +--------------------------------------------------------------------+ +--------------------------------------------------------------------+ | Mesh Statistics | +--------------------------------------------------------------------+ | Domain Name | Orthog. Angle | Exp. Factor | Aspect Ratio | +----------------------+---------------+--------------+--------------+ | | Minimum [deg] | Maximum | Maximum | +----------------------+---------------+--------------+--------------+ | Domain 1 | 32.6 ok | 1009 ! | 9 OK | +----------------------+---------------+--------------+--------------+ | | %! %ok %OK | %! %ok %OK | %! %ok %OK | +----------------------+---------------+--------------+--------------+ | Domain 1 | 0 <1 100 | <1 31 69 | 0 0 100 | +----------------------+---------------+--------------+--------------+ Domain Name : Domain 1 Total Number of Nodes = 172039 Total Number of Elements = 871196 Total Number of Tetrahedrons = 871196 Total Number of Faces = 102254 Domain Interface Name : Domain Interface 1 Discretization type = GGI Intersection type = Bitmap Non-overlap area fraction on side 1 = 1.02E-03 Non-overlap area fraction on side 2 = 3.87E-03 +--------------------------------------------------------------------+ | Average Scale Information | +--------------------------------------------------------------------+ Domain Name : Domain 1 Global Length = 1.1133E-04 Minimum Extent = 1.2072E-04 Maximum Extent = 1.8472E-04 Density = 6.9100E+00 Dynamic Viscosity = 1.8310E-05 Velocity = 5.0000E+00 Advection Time = 2.2265E-05 Reynolds Number = 2.1007E+02 Speed of Sound = 5.3210E+02 Mach Number = 9.3967E-03 Thermal Conductivity = 2.6100E-02 Specific Heat Capacity at Constant Pressure = 1.0044E+03 Specific Heat Capacity at Constant Volume = 7.1730E+02 Specific Heat Ratio = 1.4003E+00 Prandtl Number = 7.0462E-01 +--------------------------------------------------------------------+ | Checking for Isolated Fluid Regions | +--------------------------------------------------------------------+ No isolated fluid regions were found. +--------------------------------------------------------------------+ | The Equations Solved in This Calculation | +--------------------------------------------------------------------+ Subsystem : Momentum and Mass U-Mom V-Mom W-Mom P-Mass Subsystem : Heat Transfer H-Energy Subsystem : TurbKE and Diss.K K-TurbKE E-Diss.K +--------------------------------------------------------------------+ | Particle Transport Equations Solved in This Calculation | +--------------------------------------------------------------------+ Domain Type : Domain 1 x-Mom-JetA Liquid y-Mom-JetA Liquid z-Mom-JetA Liquid Energy-JetA Liquid CFD Solver started: Tue Mar 18 09:54:20 2014 +--------------------------------------------------------------------+ | Convergence History | +--------------------------------------------------------------------+ ====================================================================== | Timescale Information | ---------------------------------------------------------------------- | Equation | Type | Timescale | +----------------------+------------------------+--------------------+ | U-Mom | Auto Timescale | 6.67957E-06 | | V-Mom | Auto Timescale | 6.67957E-06 | | W-Mom | Auto Timescale | 6.67957E-06 | | P-Mass | Auto Timescale | 6.67957E-06 | +----------------------+------------------------+--------------------+ | H-Energy | Auto Timescale | 6.67957E-06 | +----------------------+------------------------+--------------------+ | K-TurbKE | Auto Timescale | 6.67957E-06 | | E-Diss.K | Auto Timescale | 6.67957E-06 | +----------------------+------------------------+--------------------+ ====================================================================== OUTER LOOP ITERATION = 1 CPU SECONDS = 1.409E+01 ---------------------------------------------------------------------- | Equation | Rate | RMS Res | Max Res | Linear Solution | +----------------------+------+---------+---------+------------------+ +--------------------------------------------------------------------+ | ERROR #002100080 has occurred in subroutine CHECK_NORMV. | | Message: | | The specified velocity vector on the boundary patch | | | | ratator | | | | has a significant normal component at one or more faces. One of | | these face locations is | | | | (x,y,z) = (-3.55453E-05, 1.41318E-06,-1.38021E-05). | | | | The angle between the specified velocity and the element surface is| | 33.855 degrees at this face. This is considered an error because | | it implies that the mesh is moving. The following are possible | | reasons for the error message: | | 1. There is a setup error; for example, an incorrect axis of | | rotation. | | 2. There may be a meshing problem; for example, the nodes on a | | rotating surface might not lie on the surface of revolution. | | 3. The boundary is curved and the mesh is very coarse. In this | | case, you may modify the tolerance by increasing the | | expert parameter 'tangential vector tolerance wall' | | from its default of 20 degrees. | +--------------------------------------------------------------------+ +--------------------------------------------------------------------+ | An error has occurred in cfx5solve: | | | | The ANSYS CFX solver exited with return code 1. No results file | | has been created. | +--------------------------------------------------------------------+ End of solution stage. +--------------------------------------------------------------------+ | The following user files have been saved in the directory | | D:\liuhaijie\lenta6_002: | | | | mon | +--------------------------------------------------------------------+ This run of the ANSYS CFX Solver has finished. 第二種錯(cuò)誤： ====================================================================== OUTER LOOP ITERATION = 1 CPU SECONDS = 1.654E+01 ---------------------------------------------------------------------- | Equation | Rate | RMS Res | Max Res | Linear Solution | +----------------------+------+---------+---------+------------------+ | U-Mom | 0.00 | 5.6E-12 | 1.3E-09 | 1.6E+08 ok| | V-Mom | 0.00 | 6.3E-12 | 2.2E-09 | 1.0E+08 ok| | W-Mom | 0.00 | 3.5E-02 | 8.0E-01 | 2.5E-08 OK| | P-Mass | 0.00 | 1.1E-08 | 5.2E-07 | 16.3 8.5E-02 OK| +----------------------+------+---------+---------+------------------+ | H-Energy | 0.00 | 3.7E-02 | 1.0E+00 | 10.2 1.8E-02 OK| +----------------------+------+---------+---------+------------------+ +--------------------------------------------------------------------+ | ERROR #001100279 has occurred in subroutine ErrAction. | | Message: | | Floating point exception: Overflow | | | | | | | | | | | +--------------------------------------------------------------------+ +--------------------------------------------------------------------+ | ERROR #001100279 has occurred in subroutine ErrAction. | | Message: | | Stopped in routine FPX: C_FPX_HANDLER | | | | | | | | | | | +--------------------------------------------------------------------+ +--------------------------------------------------------------------+ | An error has occurred in cfx5solve: | | | | The ANSYS CFX solver exited with return code 1. No results file | | has been created. | +--------------------------------------------------------------------+ End of solution stage. +--------------------------------------------------------------------+ | The following user files have been saved in the directory | | D:\liuhaijie\lentai2_001: | | | | mon | +--------------------------------------------------------------------+ This run of the ANSYS CFX Solver has finished. 謝謝各位！ |
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