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January 28, 2010, 15:47 
Cannot view arc edge in ParaView

#1 
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Erlend Grotle
Join Date: Jan 2010
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I have tried several blockMesDict files trying to make a cylinder using arc. blockMesh seems to go fine, but the arc is not visible in paraview (version 3.6.1). Anyone experienced this ? I used an example from the user manual so I recon the use of arc should be ok.


November 13, 2015, 13:09 

#2 
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Ivan
Join Date: Oct 2015
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I had the same problem with paraview 4.1.0
It is at the moment just a 1 cell try. BlockMesh code runs but it doesn't show any arc. Code:
L 288; D 88; R 100; B 722; C 222; alpha 35.0; CapL 50; Dd 50; nzp 50; zp 50; //declaración de distancias Fd #calc "10*$L"; Bd #calc "20*$L"; Ud #calc "8*$L"; Ax #calc "$Fd$CapL"; Bx #calc "$Fd+$R($R+$CapL)*cos(45.0)"; Cx #calc "$Fd+$R$R*cos(45.0)"; //Dx #calc "$Fd+$R"; //Ex #calc "$Fd+$R+$B"; Cy #calc "$Dd+$R+$D"; Dy #calc "$Dd+$R+$D+($R+$CapL)*sin(45.0)"; //Gy #calc "$Dd+$L"; Hy #calc "$Dd+$D+$R+$R*sin(45.0)"; //Ly #calc "$Dd+$L+$CapL"; convertToMeters 0.001; vertices ( ($Ax $Cy $nzp) ($Fd $Cy $nzp) ($Cx $Hy $nzp) ($Bx $Dy $nzp) ($Ax $Cy $zp) ($Fd $Cy $zp) ($Cx $Hy $zp) ($Bx $Dy $zp) ); blocks ( hex (0 1 2 3 4 5 6 7) (1 1 1) simpleGrading (1 1 1) //0 ); edges ( arc 1 2 (#calc "$Fd+($R$R*cos(20.0))" #calc "$Cy+$R*sin(20.0)" $nzp) ); boundary ( ); mergePatchPairs ( ); Moreover, after perform checkMesh got 1 failure: Code:
***Number of edges not aligned with or perpendicular to nonempty directions: 6 <<Writing 8 points on nonaligned edges to set nonAlignedEdges Last edited by wyldckat; November 13, 2015 at 15:46. Reason: Changed [QUOTE][/QUOTE] to [CODE][/CODE] 

November 13, 2015, 15:50 

#3 
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Bruno Santos
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Quick answers:


November 14, 2015, 11:37 

#4  
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Ivan
Join Date: Oct 2015
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Quote:
Your explanation has been very useful because I realized that just changing the number of cells per each direction (x' y'), arcs are drawn. so I changed like this: hex (0 1 2 3 4 5 6 7) (20 20 1) simpleGrading (1 1 1) //0 Thanks a lot. Best regards Ivan 

November 14, 2015, 11:44 

#5 
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Bruno Santos
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Quick answer:
That affects only the way the cells are distributed along their directions. I hope you wanted to write this: Code:
hex (0 1 2 3 4 5 6 7) (20 20 1) simpleGrading (1 1 1) //0 

November 14, 2015, 12:22 

#6  
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Ivan
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Quote:


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