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Forum: OpenFOAM Community Contributions

October 13, 2013, 21:08

Replies: 13

[swak4Foam] groovyBC problem with radiation boundary

Views: 2,805

Posted By ahmmedshakil

Hi sorry for the late response. For implementing...

Hi sorry for the late response. For implementing this boundary condition you can do as follows:
type groovyBC;
variables "h=10;k=50;sigma=5.6e-7;E=0.7;Tinf=300;";
gradientExpression...

Forum: OpenFOAM Community Contributions

May 3, 2013, 08:59

Replies: 13

[swak4Foam] groovyBC problem with radiation boundary

Views: 2,805

Posted By ahmmedshakil

Thanks gschaider, yes it's because of time...

Thanks gschaider,
yes it's because of time steps. When I minimize the time steps the problem solved

Forum: OpenFOAM Community Contributions

April 29, 2013, 06:24

Replies: 13

[swak4Foam] groovyBC problem with radiation boundary

Views: 2,805

Posted By ahmmedshakil

groovyBC problem with radiation boundary

Hi,
I am trying to use the following boundary condition with groovyBC:
k*dT/dn = h*(T-Tinf)+(sigma*emissivity)*(T^4-Tinf^4)
where,
k= thermal conductivity=5.91 [W/mK]
h = heat transfer...

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