[GiDlist] Contour fill problem of QUAD4
Posted: Thu Sep 11, 2014 5:23 am
Dear GiD team,
I encountered a GiD problem in 2D post processing.
For a calculated result given in the post.msh,
MESH dimension 2 ElemType Quadrilateral Nnode 4
Coordinates
3358 1.54340557 0.025 0
3368 1.54340557 0.0125 0
3378 1.54340557 0 0
3400 1.56294235 0.025 0
3405 1.56294235 0.0125 0
3419 1.56294235 0 0
3435 1.57865031 0.025 0
3440 1.57865031 0.0125 0
3446 1.57865031 0 0
3475 1.59818709 0.025 0
3481 1.59818709 0.0125 0
3487 1.59818709 0 0
End Coordinates
Elements
80 3419 3405 3368 3378 8
160 3405 3400 3358 3368 8
3201 3446 3440 3405 3419 8
3202 3440 3435 3400 3405 8
3241 3487 3481 3440 3446 8
3321 3481 3475 3435 3440 8
End Elements
and post.res files,
GiD Post Results File 1.0
Result "nodalOutput" "iStep" 0 Scalar OnNodes
ComponentNames "Something"
Values
3358 0.763791
3368 0.876752
3378 1
3400 0.589664
3405 0.65474
3419 1
3435 0.410336
3440 0.34526
3446 0
3475 0.236209
3481 0.123248
3487 0
End Values
The GiD output of contour lines is valid but the contour fill is invalid,
the latter is not symmetric with respect to the vertical center line.
Please take a look at the attachment figure.
GiD seems doing incorrect interpolation for contour fill of QUAD4 element.
I'm using GiD 11.0.8 and my PC is Windows 8.1 pro 64bit.
Best regards,
HEMMI, Shigeru
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I encountered a GiD problem in 2D post processing.
For a calculated result given in the post.msh,
MESH dimension 2 ElemType Quadrilateral Nnode 4
Coordinates
3358 1.54340557 0.025 0
3368 1.54340557 0.0125 0
3378 1.54340557 0 0
3400 1.56294235 0.025 0
3405 1.56294235 0.0125 0
3419 1.56294235 0 0
3435 1.57865031 0.025 0
3440 1.57865031 0.0125 0
3446 1.57865031 0 0
3475 1.59818709 0.025 0
3481 1.59818709 0.0125 0
3487 1.59818709 0 0
End Coordinates
Elements
80 3419 3405 3368 3378 8
160 3405 3400 3358 3368 8
3201 3446 3440 3405 3419 8
3202 3440 3435 3400 3405 8
3241 3487 3481 3440 3446 8
3321 3481 3475 3435 3440 8
End Elements
and post.res files,
GiD Post Results File 1.0
Result "nodalOutput" "iStep" 0 Scalar OnNodes
ComponentNames "Something"
Values
3358 0.763791
3368 0.876752
3378 1
3400 0.589664
3405 0.65474
3419 1
3435 0.410336
3440 0.34526
3446 0
3475 0.236209
3481 0.123248
3487 0
End Values
The GiD output of contour lines is valid but the contour fill is invalid,
the latter is not symmetric with respect to the vertical center line.
Please take a look at the attachment figure.
GiD seems doing incorrect interpolation for contour fill of QUAD4 element.
I'm using GiD 11.0.8 and my PC is Windows 8.1 pro 64bit.
Best regards,
HEMMI, Shigeru
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