ee443e201f
Now for transient simulations "Final" solver settings are required for ALL equations providing consistency between the solution of velocity, energy, composition and radiation properties. However "Final" relaxation factors are no longer required for fields or equations and if not present the standard value for the variable will be applied. Given that relaxation factors other than 1 are rarely required for transient runs and hence the same for all iterations including the final one this approach provide simpler input while still providing the flexibility to specify a different value for the final iteration if required. For steady cases it is usual to execute just 1 outer iteration per time-step for which the standard relaxation factors are appropriate, and if more than one iteration is executed it is common to use the same factors for both. In the unlikely event of requiring different relaxation factors for the final iteration this is still possible to specify via the now optional "Final" specification.
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About OpenFOAM
OpenFOAM is a free, open source computational fluid dynamics (CFD) software package released by the OpenFOAM Foundation. It has a large user base across most areas of engineering and science, from both commercial and academic organisations. OpenFOAM has an extensive range of features to solve anything from complex fluid flows involving chemical reactions, turbulence and heat transfer, to solid dynamics and electromagnetics.
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