Y Plus / Y+ Calculator for First Cell Wall Distance for Turbulent Flows

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(20 votes)
02 July 15097 times

Mesh near wall is very critical to capture boundary layer physics in CFD. This Y Plus / Y+ calculator gives first mesh cell height required for desired Y+ value selected based on turbulence model wall treatment.

This Y plus calculator gives first cell / grid height based on input values of free stream velocity, density and viscosity of working fluid, and a reference length. The desired wall Y+ value in the solution. These calculations are based on flat-plate boundary layer theory.

Y Plus / Y+ Calculator for First Cell Wall Distance for Turbulent Flows - 4.8 out of 5 based on 20 votes

Turbulence Parameter Calculator at Inlet Boundary

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(10 votes)
09 July 6614 times

When modelling turbulent flows in CFD, turbulence models require the specification of turbulence variable values at the inlet boundaries. There are several ways to provide turbulence parameters at boundaries. This calculator gives all the turbulence values based on inlet conditions like velocity or mass flow rate, inlet area and fluid properties. It calculates all turbulence values like Turbulent Kinetic Energy (), Turbulent Dissipation (), Specific Rate of Dissipation (), Turbulent Viscosity Ratio (), Turbulence Intensity () and Turbulence Length Scale ().

Turbulence Parameter Calculator at Inlet Boundary - 5.0 out of 5 based on 10 votes

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