# average value in any plane

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 July 25, 2006, 04:18 average value in any plane #1 aloise Guest   Posts: n/a Hello everyone, I have a question about cfx5-post. This question is almost the same like Roy Chen had in 2002: http://www.cfd-online.com/Forum/cfx_....cgi/read/3538 As he I also want to know an average value across a plane. But I want to move this plane and plott all the average values along the movementline. In my case I need the distribution of the mass averaged temperature. Does anyone know who to achieve this without having a lot of planes and also as many expressions. There needs to be an easier way than having thousand planes. Probably with power syntax? Thanks for your help, Aloise

 July 25, 2006, 07:52 Re: average value in any plane #2 Mike Guest   Posts: n/a Record a session file that does this for one plane, then go and edit the session file so that you put a "for" loop around the plane generation and temperature calculation. There an example in the CFX-Post doc under Power Syntax that is fairly similar. Miike

 July 26, 2006, 15:21 average value in any plane => RESULT! #3 aloise Guest   Posts: n/a Thanks Mike!! It toke me a while to figure out how to get this working. For others facing the same problem here is me result: VIEWPORT MANAGER: Viewport List = Viewport Order = 1, 2, 3, 4 Maximized Viewport = -1 END VIEWPORT MANAGER: Viewport List = Viewport Order = 1, 2, 3, 4 Maximized Viewport = -1 END VIEWPORT MANAGER: Viewport List = Viewport Order = 1, 2, 3, 4 Maximized Viewport = -1 END ! #Variablen hier verändern ! open(Filehandle,">>C:\Temp\kellerlog.log"); ! \$length = 320; ! \$steps = 320; ! \$delimiter = ","; ! \$i = 0; ! \$einheit = "mm"; ! while(\$i<=\$steps){ PLANE:Plane 1 Apply Instancing Transform = On Apply Texture = Off Blend Texture = On Bound Radius = 0.5 [m] Colour = 0.75, 0.75, 0.75 Colour Map = Rainbow Colour Mode = Constant Colour Scale = Linear Colour Variable = Pressure Colour Variable Boundary Values = Hybrid Culling Mode = No Culling Direction 1 Bound = 1 [m] Direction 1 Orientation = 0 [degree] Direction 1 Points = 10 Direction 2 Bound = 1 [m] Direction 2 Points = 10 Domain List = All Domains Draw Faces = On Draw Lines = Off Instancing Transform = Default Transform Invert Plane Bound = Off Lighting = On Line Colour = 0, 0, 0 Line Colour Mode = Default Line Width = 1 Max = 0.0 [Pa] Min = 0.0 [Pa] Normal = 1 , 0 , 0 Option = YZ Plane Plane Bound = None Plane Type = Slice Point = 0 [m], 0 [m], 0 [m] Point 1 = 0 [m], 0 [m], 0 [m] Point 2 = 1 [m], 0 [m], 0 [m] Point 3 = 0 [m], 1 [m], 0 [m] Range = Global Render Edge Angle = 0 [degree] Specular Lighting = On Surface Drawing = Smooth Shading Texture Angle = 0 Texture Direction = 0 , 1 , 0 Texture File = Texture Material = Metal Texture Position = 0 , 0 Texture Scale = 1 Texture Type = Predefined Tile Texture = Off Transform Texture = Off Transparency = 0.0 Visibility = On X = \$i [\$einheit] Y = 0.0 [m] Z = 0.0 [m] OBJECT VIEW TRANSFORM: Apply Reflection = Off Apply Rotation = Off Apply Scale = Off Apply Translation = Off Principal Axis = Z Reflection Plane Option = XY Plane Rotation Angle = 0.0 [degree] Rotation Axis From = 0 [m], 0 [m], 0 [m] Rotation Axis To = 0 [m], 0 [m], 0 [m] Rotation Axis Type = Principal Axis Scale Vector = 1 , 1 , 1 Translation Vector = 0 [m], 0 [m], 0 [m] X = 0.0 [m] Y = 0.0 [m] Z = 0.0 [m] END END VIEWPORT MANAGER: Viewport List = Viewport Order = 1, 2, 3, 4 Maximized Viewport = -1 END LIBRARY: CEL: EXPRESSIONS: Tbulk=massFlowAve(Temperature )@Plane 1 END END END EXPRESSION EVALUATOR: Evaluated Expression = Tbulk END > forceupdate EXPRESSION EVALUATOR ! (\$evalex,\$evalex2) = evaluate("massFlowAve(Temperature)\@Plane 1"); ! \$line = \$i.\$einheit.\$delimiter.\$evalex.\$evalex2."\n"; ! print Filehandle \$line; ! #print \$line; ! \$i++; ! } ! close(Filehandle);

 July 26, 2006, 15:30 Chart this? #4 aloise Guest   Posts: n/a Hello, now that i know how to get these average values across a plane i would like to get them plotted in a chart. The file I get can`t be reread from cfx as file-import to create a chart-line. Can anybody tell me what I need to consider? Or is there even an easier way to get these average values plotted in a chart? Thanks for your help, aloise

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