Why angle of attack has no effect on acoustics characteristics of an airfoil?

I just want know why AOA (angle of attack) has no role on acoustic features of an airfoil/ flat plate. If we go for aerodynamics AOA plays a vital role but this is absent in acoustics case why is...

04 May 2019 3,515 12 View

Vibration control of a blower installed at the top of the building on a cast iron frame?

I want to developed an aeroacoustics lab at the second floor of the building but the blower and the 20 HP motor is causing too much noise which dominate over the airfoil noise so we like to...

11 December 2018 1,618 3 View

Is it possible to do aero acoustics analysis using Ansys Fluent?

How to do Aero acoustics analysis of the 2 D flow problem in Ansys fluent with k-epsilon model? What commands has to be given for this analysis in this commercial software?

05 June 2018 3,494 6 View

What Boundary condition should we give at the domain in order to capture the Tip vortex effect?

Can Any body help in getting the boundary condition at the domain to get the tip vortex effect in our 3-d simulation using ANsys fluent commercial software?

04 May 2018 7,762 4 View

PSD plot of velocity v/s time?

what does PSD plot revels for flow over airfoil and plate? What physical interpretation we get from PSD plot for aerodynamics point of view? why we are plotting PSD v/s Frequency? Please Give some...

01 February 2018 9,832 4 View

How to calculate a wake length behind a streamline body?

I want to know how we can calculate the wake length behind the stream line body in its post stall region with the help of Ansys fluent simulation. How to do averaging of the flow (is there any...

31 December 2017 5,952 5 View

How to perform POD and DMD of transient problem?

I am working on Ansys fluent and I want to know how i can perform POD and DMD of my current flow problem over inclined flat plate at high angle of attack(in ansys fluent) in post processing state...

31 December 2017 5,128 3 View

How to calculate vortex energy by the help of Power spectrum density plot?

hi

11 December 2016 8,907 0 View

Why a negative pressure is formed behind the projected flat plate? what is its physical significance?

11 December 2016 2,253 0 View

In Molecular Dynamics Simulation, how do I make changes to the force field according to my protein?

Hi In Molecular Dynamics Simulation, how do I make changes to the force field according to my protein? I got this error in the add-ion stage: Fatal error "./ amber99sb-ildn-HHH.ff / force...

01 March 2021 8,747 4 View

Is there any published or unpublished statistics on dropout rate (Dose1 to Dose-2) for Covid-19 vaccination in India, US, UK or any other country?

Are there any published or unpublished statistics or papers on the dropout rate (Dose1 to Dose-2) for Covid-19 vaccination in India, USA, UK, or any other country where vaccination has started at...

28 February 2021 4,237 1 View

Why does the sum of reaction forces not match the force component of a Free Body Cut in Abaqus?

I am using Abaqus to simulate a plate with in-plane loading. The boundary conditions allow the right edge to move up and down, the displacements on the left edge are fixed. There is no rotation...

23 February 2021 711 3 View

How to include additional force field in GROMACS?

I have a cellulose model system that is best described by the GLYCAM06 force field according to the literature. However, the set of force fields included in the GROMACS package doesn't include the...

20 February 2021 3,309 3 View

Please suggest the website or link for the collection of data for (Cancer Incidance Rates in India)?

We are doing research for the prediction of cancer incidance rates increases in India upto next five years. Please help us to get the exact data for Cancer Incidance Rates in India. This will...

19 February 2021 8,478 2 View

I want to simulate a system containing protein and heavy metals; which force field is most reliable for this purpose?

The protein I want to simulate has multiple heavy metals. I wanted to know which force-field I should use with GROMACS to achieve this. Most importantly, do the latest updates in the force-field...

16 February 2021 2,420 1 View

How to obtain parameters to run a simulation for benzene using CHARMM forcefield in GROMACS?

I have been reading this paper Soft Matter, 2017, 13, 1904 and in this paper, they simulate benzene in GROMACS using CHARMM. They mention that they performed simulations of benzene using the...

15 February 2021 5,561 3 View

How should I analyze the multiple scans in Malvern Zetasizer software?

Hello, I am currently using the Malvern Zetasizer software for the purpose of obtaining the size distribution of nanoparticles produced in the lab. When I perform the runs in the software to get...

15 February 2021 4,251 1 View

Access to supercomputer resources in India?

Hello everyone, I want to perform some gaussian calculations and want to use Materials studio for my research work. Can anyone guide me how to get access to supercomputer resources in India for...

15 February 2021 8,264 3 View

Gromacs force field and water model recommended for protein hydrophobic study?

Dear All, I received a comment from reviewer about asking me selection of force field and water model. I choose OPLS-AAL and 3-point water model. They mentioned the combination of OPLS-AAL and SPC...

13 February 2021 1,364 3 View