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how to find second order derivative of temperature
Title
Question
Good evening sir,
I am doing a natural convection problem in which i want second \r\nderivative of a scalar i.e Temperature T
How can i implement it in openFoam?
Double derivative of Temperature with repsect to x or y ?

Is it possible to calculate in paraview ?

OpenFOAM General None min None sec 30-11-16, 6:11 p.m. vnarayana.wgl

Answers:

Hello <span style="background-color: rgb(245, 245, 245);">vnarayana.wgl,</span>
<span style="background-color: rgb(245, 245, 245);">
</span>
<span style="background-color: rgb(245, 245, 245);">1) If you need to calculate the second order derivative of Temperature, you may implement <a href="http://openfoamwiki.net/index.php/Contrib_groovyBC" target="_blank" title="groovyBC ">groovyBC </a>boundary condition on the respective patch.</span>
<span style="background-color: rgb(245, 245, 245);">2) The derivative will depend on the direction of heat transfer.</span>
<span style="background-color: rgb(245, 245, 245);">3) Paraview is a post-processing tool. You may analyse the results(variation of temperature) using it. You cannot calculate your results using Paraview.</span>
<span style="background-color: rgb(245, 245, 245);">
</span>
<span style="background-color: rgb(245, 245, 245);">Regards</span>
<span style="background-color: rgb(245, 245, 245);">Viraj Belekar</span>
02-12-16, 11:45 a.m. viraj20feb

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