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< h1 > Aspect Ratio< / h1 >
< p > < img src = "../i_blue.jpg" x-maintain-ratio = "TRUE" width = "30px" height = "30px" border = "0" class = "img_whs1" > The < span style = "font-weight: bold;" > < B > Aspect Ratio< / B > < / span >
quality criterion for mesh elements is defined as follows:< / p >
< p > < / p >
< ul type = "disc" class = "whs2" >
< li class = kadov-p > < p > For a < span style = "font-weight: bold;" > < B > triangle< / B > < / span >
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2D element consisting of 3 nodes the < span style = "font-weight: bold;" > < B > Aspect
Ratio< / B > < / span > is calculated by formula:
< p > < / p >
< p > < img src = "../image21.gif" width = "158px" height = "110px" border = "0" class = "img_whs3" > < / p >
< p > < img src = "../image23.gif" width = "120px" height = "48px" border = "0" class = "img_whs4" > < / p >
< p > where :< / p >
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< p > < / p >
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< p > < img src = "../image27.gif" width = "234px" height = "96px" border = "0" class = "img_whs5" > < / p >
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< p > < / p >
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< p > < / p >
< / li >
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< li class = kadov-p > < p class = "whs5" > For a < span style = "font-weight: bold;" > < B > quadrangle< / B > < / span >
2D element consisting of 4 nodes the
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< span style = "font-weight: bold;" > < B > Aspect Ratio < / B > < / span > is the
quality of the worst triange which can be built taking three nodes of
the quadrangle. There are four triangles to consider:< / p > < / li >
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< p > < img src = "../image138.gif" width = "566px" border = "0" class = "img_whs6" > < / p >
< / ul >
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< p class = TODO > To apply the Aspect Ratio quality criterion to your mesh:< / p >
< p class = TODO > < / p >
< p class = "whs7" > 1. Display your mesh in the viewer.< / p >
< p class = "whs7" > < / p >
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< p class = "whs7" > 2. Choose < span style = "font-weight: bold;" > < B > Controls
> Aspect Ratio < / B > < / span > or click < img src = "../image37.gif" width = "25px" height = "24px" border = "0" class = "img_whs8" > button in the toolbar.
Your mesh will be displayed in the viewer with its elements colored according
to the applied mesh quality control criterion:< / p >
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< p class = "whs7" > < / p >
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< p class = "whs7" > < img src = "../image94.jpg" width = "439px" height = "313px" border = "0" class = "img_whs9" > < / p >
< p class = "whs7" > < / p >
< p class = "whs5" > < span style = "font-weight: bold;" > < B > See Also< / B > < / span >
a sample TUI Script of an < a href = "../quality_controls.htm#bookmark8" > Aspect
Ratio quality control< / a > operation. < / p >
< p > < / p >
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