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1. Ðýת»úеµÄ¼¸ÖÖ¼¶¼äģʽ
FrozenRotor:
×ø±êϵ¸Ä±ä£¬µ«×ª×ÓÓ붨×ÓÖ®¼äµÄÏà¶ÔλÖò»±ä£¬Ï൱ÓÚ×¼ÎÈ̬¼ÆËã¡£ÊʺÏÓÚÁ÷ÌåËÙ¶ÈÔ¶´óÓÚ½»½çÃæÎ»ÖõĻúеת¶¯ËÙ¶Èʱ£¨¼´×ªËÙ½ÏÂý£©£¬´ËÄ£ÐͼÆËãÁ¿×îС¡£´ËÁª½á·½Ê½ÏÂÓÐÁ½¸ö²ÎÊý¿ÉÒÔÉèÖãºRotational OffsetºÍTransformation Type. ¶ÔÓÚRotational Offset,¿ÉÒÔÓÃÓÚ²»Ìáǰ¸Ä±äÍø¸ñÏà¶ÔλÖ㬶øÊµÏÖ²»Í¬×ª×Ó/¶¨×ÓÏà¶ÔλÖÃϵÄÁ÷³¡¼ÆËã¡£¶ÔÓÚTransformation Type£¬µ±pitch ratio²»µÈÓÚ1»òÕßµ±interfaceÖеÄÁ½¸öÍø¸ñÃæ²»ÍêÈ«overlapʱ£¬¿ÉÒÔÑ¡Ôñ¡±Automatic¡±£¬µ±interfaceµÄÁ½Íø¸ñÃæÍêÈ«overlapʱ¿ÉÒÔÑ¡Ôñ¡±None¡±¡£ Stage:
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Same Frame With Frozen Rotor »òSame Frame With Stage£º
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2. Ðýת»úеPitch RatioµÄ½éÉÜ
ÓÐÈýÖÖÑ¡Ôñ£ºAutomatic/Value/Specified Pitch Angles. ÆäÖÐAutomatic×Ô¶¯´¦Àí£»ValueÊǸø¶¨Pitch ratioµÄÖµ£»Specified Pitch AnglesÊÇ·Ö±ðÖÆ¶¨Side1ºÍSide2µÄ½Ç¶È¡£
3. Ðýת»úеµÄʱ¼ä²½³¤ÉèÖÃ
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4. ¹ØÓÚ¸øÑ¹²î¼ÆËãÁ÷Á¿µÄ²âÊÔ½á¹û£¨CFX11.0ÓëFluent6.3.26±È½Ï£©
£¨²âÊÔ¼¸ºÎÄ£ÐÍ£ºÖ±¹Ü£¬°ë¾¶1cm£¬³¤¶È100cm£© ¹¤¿ö CFX1 ±ß½çÉèÖà (²Î¿¼Ñ¹Á¦=1atm) ²»¿Éѹ¿ÕÆø£º Èë¿Ú×Üѹ=0Pa£¬³ö¿Ú¾²Ñ¹=-8000Pa ¼ÆËã½á¹û Èë¿Ú×Üѹ=-1.0Pa£¬ Èë¿Ú¾²Ñ¹=-4085Pa£¬ ³ö¿Ú¾²Ñ¹=-8001.7Pa£¬ ÖÊÁ¿Á÷Á¿=0.0308kg/s Èë¿Ú×Üѹ=-1.7Pa£¬ Èë¿Ú¾²Ñ¹=-3938Pa£¬ ³ö¿Ú¾²Ñ¹=-8001.9Pa£¬ ÖÊÁ¿Á÷Á¿=0.0294kg/s Èë¿Ú×Üѹ=-171.6Pa£¬ Èë¿Ú¾²Ñ¹= -4024.4Pa£¬ ³ö¿Ú¾²Ñ¹= -8001.8Pa£¬ ÖÊÁ¿Á÷Á¿=-0.0291kg/s Èë¿Ú×Üѹ=0Pa£¬ Èë¿Ú¾²Ñ¹=-3845Pa£¬ ³ö¿Ú¾²Ñ¹=-8000Pa£¬ ÖÊÁ¿Á÷Á¿=0.02925kg/s Èë¿Ú×Üѹ=-170Pa£¬ Èë¿Ú¾²Ñ¹=-3923Pa£¬ ³ö¿Ú¾²Ñ¹=-8000Pa£¬ ÖÊÁ¿Á÷Á¿=0.02889kg/s CFX2 (²Î¿¼Ñ¹Á¦=1atm£¬298K) ÀíÏë¿ÕÆø£º Èë¿Ú×Üѹ=0Pa£¬³ö¿Ú¾²Ñ¹=-8000Pa CFX3 (²Î¿¼Ñ¹Á¦=1atm£¬298K) ÀíÏë¿ÕÆø£º Èë¿Ú×Üѹ=-170Pa£¬³ö¿Ú¾²Ñ¹=-8000Pa Fluent2 (²Î¿¼Ñ¹Á¦=1atm£¬298K) ÀíÏë¿ÕÆø£º Èë¿Ú×Üѹ=0Pa£¬³ö¿Ú¾²Ñ¹=-8000Pa Fluent3 (²Î¿¼Ñ¹Á¦=1atm£¬298K) ÀíÏë¿ÕÆø£º Èë¿Ú×Üѹ=-170Pa£¬³ö¿Ú¾²Ñ¹=-8000Pa
5. CFX»ðÔÖÅçÁÜ·ÂÕæ·½·¨
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6. CFX-PreÖеÄDomain InterfaceµÄÉèÖÃ˵Ã÷(V12.1)
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´ð£ºFrom the Solver Manager, edit your definition file (Tools/Edit Definition File) and add the Catalogue Size Multiplier parameter within the FLOW/SOLVER CONTROL section. Use a real value, like 1.2 or higher until the solver manages.
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2. CFX²¢ÐзÖÇøËã·¨
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3> PVM Distributed Parallel:¶à»úPVM¡£
4> MPICH Local Parallel for Windows£ºMPICH(message-passing libraries)£ºÖ§³Öͬ¹¹ÏµÍ³¡£Í¬¹¹ÏµÍ³Ï£¬MPICH±ÈPVMЧÂʸü¸ß£¬¶øPVM±ÈMPICH¸ü¿É¿¿¡£ 5> MPICH Distributed Parallel for Windows: ¶à»úWindowsϵͳMPICH¡£ 6> RSH·þÎñ£ºRemote Shell Service¡£
6. keºÍSSTÁ½¸öÄ£ÐͼÆËã×èÁ¦²âÊÔ£¿
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ÍÄÁ÷Ä£ÐÍ ke SST Á÷ËÙ 0.5m/s 0.5m/s ×èÁ¦ 0.053N 0.053N ѹ²î 174Pa 174Pa 7. CFX½øÐи÷ÏòÒìÐÔ²ÄÁÏ»»ÈȵÄʵÏÖ·½·¨£¿¡¾×ܲ¿»Ø¸´¡¿
Hi Zhenya-
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The CFX solver supports orthotropic thermal conductivity. It is a hidden beta feature which means that you need to set it up by editing the CCL outside of CFX-Pre.
To do this, set up your simulation and write out a definition file with the thermal conductivity for the material of interest set to a constant value.
1. You will then extract the ccl content from the definition file to a text file using the folloiwng command which you can
execute from the CFX command prompt (CFX Launcher/Tools/Command Line). Suppose that your definition file is named test.def. You would type the following command :
cfx5cmds -read -def test.def -text test.ccl
You will then have a text file called test.ccl with the problem setup information.
2. You then edit the test.ccl file and replace, for the material of interest.
THERMAL CONDUCTIVITY:
Option = Value
Thermal Conductivity = 12.0 [W m^-1 K^-1]
END
with:
THERMAL CONDUCTIVITY:
Option = Orthotropic Cartesian Components
Thermal Conductivity X Component = 1 [W m^-1 K^-1]
Thermal Conductivity Y Component = 2 [W m^-1 K^-1]
Thermal Conductivity Z Component = 3 [W m^-1 K^-1]
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END
I used 1,2,3 for convenience.
This is for the Cartesian Components, if you prefer to use Cylindrical Components, use the following text to replace the old one:
THERMAL CONDUCTIVITY:
Option = Orthotropic Cylindrical Components
Thermal Conductivity Axial Component = 1 [W m^-1 K^-1]
Thermal Conductivity Theta Component = 2 [W m^-1 K^-1]
Thermal Conductivity r Component = 3 [W m^-1 K^-1]
AXIS DEFINITION:
Option = Coordinate Axis
Rotation Axis = Coord 0.1
END
END
Where Coord 0.1 is the global X axis, so global Y and Z axis will be Coord 0.2 and Coord 0.3, respectively.
3. You then write the modified test.ccl back to the definition file using the following command:
cfx5cmds -write -def test.def -txt test.ccl
4. You will see in your subsequent output file (when running the case)
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that the orthotropic values are there. --
C. Kurt Svihla, Ph.D.
Senior Technical Services Engineer ANSYS, Inc. Southpointe
275 Technology Drive Canonsburg PA 15317 Tel: (724)514-3600 Fax: (724)514-5096 www.ansys.com
8. CFXÌá½»Çó½â³ö´í£¿
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In cfx post go to turbo mode then define your rotation axis next click calculate velocity components.now you can plot the variables you need.
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