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tests/bed_shear_from_grad_u_DG/bed_shear_from_grad_u_DG.xml

 

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<?xml version="1.0" encoding="UTF-8" ?>

 

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<testproblem>

 

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  <name>bed_shear_from_grad_u_DG</name>

 

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  <owner userid="sp911"/>

 

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  <tags>flml bed_shear_stress test</tags>

 

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  <problem_definition length="short" nprocs="1">

 

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    <command_line>fluidity bed_shear_from_grad_u_DG.flml</command_line>

 

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    <!-- check bed shear stress is as expected for very simple set up -->

 

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</problem_definition>

 

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  <variables>   

 

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    <variable name="SS_min" language="python">

 

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from vtktools import *

 

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from numpy import *

 

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data = vtu('bed_shear_from_grad_u_DG_0.vtu')

 

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Shear = data.GetField('BedShearStress')

 

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SS_min = Shear.min()

 

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    </variable>  

 

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    <variable name="SS_max" language="python">

 

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from vtktools import *

 

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from numpy import *

 

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data = vtu('bed_shear_from_grad_u_DG_0.vtu')

 

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Shear = data.GetField('BedShearStress')

 

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SS_max = Shear.max()

 

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    </variable>  

 

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  </variables>

 

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  <pass_tests>

 

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    <!-- max shear stress is within 0.001% of 1 -->

 

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    <test name="kinetic energy source term is as expected, error less than 0.01%" language="python">

 

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assert(0.9999 &lt; SS_max &lt; 1.0001)

 

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    </test>

 

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    <!-- in shear stress is within 0.001% of -1 -->

 

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    <test name="kinetic energy source term is as expected, error less than 0.01%" language="python">

 

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assert(-1.0001 &lt; SS_min &lt; 0.9999)

 

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    </test>

 

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  </pass_tests>

 

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  <warn_tests>

 

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  </warn_tests>

 

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</testproblem>

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