How much variation between experimental and numerical results is acceptable in Computational Fluid Dynamics?

I have used Realizable k-epsilon model and doing a problem related to external aerodynamics. I am looking for your suggestion in this regard.

06 July 2019 6,621 5 View

Which software is best to convert a CT scan (DICOM file) to solid geometry model (STP, STEP)?

There are many software available in the internet; MIMIC, Slicer, Simvascular. Which one is easier and convenient to use in term of enough tutorials and resources to learn the process?

03 April 2019 4,182 11 View

Is there any specific convergence criteria for a transient CFD study?

I am currently doing research in a CFD project which is a unsteady study. Although all the residuals of k-w turbulence model are converging, the continuity one is converged to 1e-002 level while...

02 March 2019 8,257 3 View

Does Scientific journals accept article which is authored by a single author?

I am presently an under grad student and planning to submit two articles in a Scopus indexed journal. Both the articles are single authored. Will journals accept my articles? I have heard that...

31 December 2018 4,633 55 View

Is Digital Object Identifier (DOI) important for a conference paper type publication? If yes, then please explain?

The Conference proceedings have ISBN number issued against it. Is it important to have a DOI for the proceedings publications?

11 December 2018 7,814 5 View

What are the important qualities that a good scientific conference should have?

Conferences are often costly to attend for a student participant and thus we need to be selective. Conferences are good platform to share and gain relevant knowledge. Besides, It is a fact that...

11 December 2018 1,101 3 View

What is the most time consuming part in CFD (Computaional Fluid Dynamics) study and its validation?

CFD is a dynamic field which relates engineering and mathematics. But how much one should give effort on the validation?

10 November 2018 776 11 View

How Can I convert CT Scanned DICOM Image file to a 3D solid geometry file?

I have tried with 3D slicer, Simvascular softwares but failed to get a solid geomtery model..Rather I achieved a Meshed surface with number of small parts. How can I create a solid geometry model...

10 November 2018 4,826 2 View

What are the premium features that a CFD related technical paper should have?

Basically, I am looking for basic ingredients without which A Computational Fluid Dynamics based paper is not considered as a good technical paper.

10 November 2018 2,008 3 View

What are the effective and ideal ways to validate a CFD study?

I have done a research on car aerodynamics using ANSYS. But the solid model and boundary conditions were unique. How the results should be compared with existing published papers? and also how the...

10 November 2018 9,199 6 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

How the parameters (such as Mw, Chemical bonds, polymer bland and so on) affect the mechanic property of polymer (such as storage, loss modulus) ?

Anyone can recommend any books on such topics? Thanks in advance.

02 March 2021 8,457 2 View