While doing simulation of a composite laminate shell ,how can I introduce out of roundness,height and manufacturing imperfections in it ?

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Use of artificial intelligence and machine algorithims to revolutionize the field of fluid dynamics?

Hello Everyone ! I have been having this question in mind for quite a long time that we have this huge amount of data available in the form of wind tunnel experiments , in-flight data and...

31 December 2019 2,197 8 View

What is the size of laminar-turbulent transitional regime in terms of spatial and temporal dimensions ?

Hello Everyone , I was wondering is there any literature available on the extent of transitional regime in space and that for how long does it last ? Regards Aamir Sultan

31 December 2019 1,415 3 View

What happen with the conservation laws when we locally refine grids in adaptive meshes?

Does continuity , momentum and energy laws remain conserved when we use local refinement in adaptive meshes ?

31 December 2019 4,180 4 View

Why pressure far-field require a domain as far as 20 times of the characteristic length ?

Hello Everyone , Pressure far-field boundary condition is often recommended for flows with varying density , but why does it require so larger outer domains. Regards Aamir Sultan

31 December 2019 3,252 3 View

Why does Spalart Allmaras turbulence model underpredicts the Separation of Flow ?

Hello Everyone ! It is alway said that SA model is apporopriate for adverse pressure gradients then how come it lacks the ability to accurately predict separation ?

11 December 2019 559 2 View

Is Spalart Allmaras turbulence model capable of simulating Laminar Separtion Bubbles ?

Hello Everyone I am simulating an airfoil at Low Reynolds Number flow Regime Re=10^5 , in this particular case a laminar boundary layer separates , forming a laminar separation bubble , then...

11 December 2019 3,886 3 View

Which length is used as the reference length while doing external aerodynamic CFD simulation of a full aircraft ?

Hello Everyone , Hope you are doing fine . I have this question about the reference values , that which length should one use while doing external aerodynamic CFD simulation of a full aircraft...

10 November 2019 5,333 4 View

Ineffectiveness of Spalart-Allmaras model on a flat plate wing at Low Re No of 10e5 as the aspect ratio of wing increases ?

Hello Everyone , Hope you are doing fine . I was going through this paper of P. Cosyn and J. Vierendeels on ''Numerical Investigation of Low-Aspect-Ratio Wings at Low Reynolds Numbers'' in which...

08 September 2019 1,663 2 View

For a Mach No of 0.02 pressure based solver is diverging?

Hello Everyone , I am doing a 3D simulation of a 3D wing at a Reynold's number of 10^5 and a mach number of 0.02 . When I use pressure based solver my solution diverges within few iterations ....

02 March 2019 5,514 2 View

How can I change the axis of rotation in UDF to x-axis from default setting i,e z-axis?

Hello Everyone ; Hope you are doing great . I have to change the axis of rotation from default setting i,e z-axis to x-axis in the given UDF ? How can I do that ?...

01 February 2019 9,641 4 View

Geotechnical Engineering (Proceedings of the ICE) time review?

Hello everyone, I recently submitted an article to Geotechnical Engineering (Proceedings of the ICE), and the current status has been listed as "EiC Pre-assessment: Ready" for the past 20 days. I...

10 August 2024 6,493 1 View

Research Methodology - Impact of Corporate Reputation on Stakeholders Behaviors?

Please can anyone support with the survey questions based on RQ measures and propose how to do it in FMCG industry and include as well the role of brand equity Thanks

06 August 2024 949 0 View

Anyone having idea about VN primer for miRNA primer design ?

How to design VN primer to attach with universal reverse primer

05 August 2024 2,116 3 View

Should I remove an item from a scale to raise Cronbach's alpha and McDonald's omega or is it better to leave it if they are both over .7 already?

Hello! I have this scale which had 10 items initially. I had to remove items 8 and 10 because they correlated negatively with the scale, and then I removed item 9 because Cronbach's alpha and...

01 August 2024 4,606 7 View

What should a Mechanical Engineering PhD scholar focus on during their PhD to enhance their chances of securing a postdoctoral position?

29 July 2024 7,714 4 View

May I know the exact Quartile of the journal- Advanced Engineering Materials (Wiley) for material science category?

In some data sources it has been grouped in Q1 and some shows it is Q2.

29 July 2024 4,227 2 View

How to Input and Analyze Results for an Asymmetrical Factorial Design in STATISTICA 13.3?

In STATISTICA 13.3, I used the Experimental Design Builder under the Design of Experiments tab to generate a design matrix for an asymmetrical factorial design (1443) with 12 experiments. However,...

29 July 2024 4,155 2 View

Ternary in Electrical Engineering?

Dear Research Community I would like to invite Elctrical Engineering specialists to solve problems related to Ternary Algebra or tripple sets I have an algorithm that places in relation three...

28 July 2024 5,771 2 View

Pragmatic inquiry research design?

Employing a pragmatic inquiry research design, looking for published research using this method, employing qualitative research data collection methods of semi-structured interview and focus...

28 July 2024 540 2 View

What topic or subject does Production Engineering need to address more?

Contemporary scores or innovations in scientific approaches. Hybrid methodologies, emerging themes and cross-cutting issues?

27 July 2024 648 3 View