8 Questions 11 Answers 0 Followers
Questions related from Zeineldin Elserfy
I am asking about how to find a formula for acoustic impedance for a porous wall with a variable thickness. The impedance is defined as a function of acoustic resistance (R) and acoustic reactance...
10 November 2021 4,523 5 View
I want to ask how to calculate the saving frequency for CFD data to calculate the noise source on solid or porous surfaces to get the far-field noise at a certain location finally. I am trying to...
25 May 2021 1,090 0 View
I am trying to predict the far-field noise for aerofoil numerically using LES simulation and compare the simulation results to experimental data. To cut the computational cost, the simulation...
29 January 2021 5,885 0 View
I want to ask how the displacement and momentum thickness can be calculated from CFD results? should I plot the velocity profile at the location I want to calculate the displacement or momentum...
01 December 2020 3,775 5 View
Is there any references for converting pressure signal to sound pressure level -third octave using MATLAB? or any reference describing how it can be done
22 June 2020 9,185 5 View
I want to calculate the rms of dp/dt,so i want to know if it is possible to calculate dp/dt then use the average field function to calculate the rms value of dp/dt does anyone any ideas how it...
11 February 2020 745 3 View
how to use steady state solution as initial solution for les ? the problem is that Rans model produce average velocity field while les need instentenous velocity field,so it there a way to solve...
23 August 2019 5,746 5 View
I am trying to calculate lift and drag coefficent for flow over porous zone in openfoam ?
15 February 2019 3,661 4 View
