Asking calculation first cell height in y plus in FLUENT and CFX?

Dear all, I see in some website just like the following link https://www.computationalfluiddynamics.com.au/tips-tricks-cfd-estimate-first-cell-height/#comment-7768 There are some caclulation of...

31 December 2018 2,699 0 View

Error in Make Ribs in pipe by using space claim ansys fluent 17.2?

Dear All I make ribs in pipe surface by using spaceclaim in ansys 17.2. I make many ribs on the wall. I use small pipe as cutter of big pipe. When I make more ribs, spaceclaim seems has error....

31 December 2018 9,886 0 View

How to chose correct option when laminar and turbulent happens in the same device in ANSYS FLUENT 17.2?

Dear all, I would like to do simulation in spiral pipe but i make extension in inlet part and outlet part by straight pipe. The extension connected with spiral (i attach the file). Critical...

11 December 2018 2,087 0 View

How to plot contour in cross section in helical pipe by using ANSYS FLUENT 17.2?

Dear All, I do simulation on helical pipe. I am using Ansys FLUENT 17.2. I want to make plot in cross section of the pipe along axial direction (i show the sample ). How to do it in...

10 November 2018 7,640 0 View

How to make different kind of mesh in Ansys Meshing in one part?

Dear all, I want to make different mesh in the picture because i think its good to reduce computer efforts. Do you have any suggestion? Thank you

09 October 2018 3,605 0 View

Problem in saving transient simulation in CFD FLUENT 17.2?

Dear all, I want to make simulation in transient heat transfer by using ANSYS FLUENT 17.2. I have one simulation which is success. I wan to re-simulate the same case with temperature change of...

06 July 2018 3,086 2 View

How to simulate convective heat transfer two-phase flow in Horizontal Pipe without phase change?

Dear all, I am trying to simulate heat transfer of two phase (stratified) flow to single phase (both flows are turbulent flow). I attach the model of the case. There is no phase change in two...

06 July 2018 992 0 View

How to solve parse error error in UDF fluent for #DEFINE_INIT?

Dear all, I am new in UDF. I am trying to make different initial guess of temperature distribution in solid by using #DEFINE_INIT CODE in Fluent 17.2. I took the whole code from UDF Fluent...

05 June 2018 3,950 0 View

How to solve many different solid-solid interface solid?

Dear all, I am trying to simulate conduction in 2D FLUENT 17.2. There are many different type of solid. I get this warning. I have tried to use TUI command...

05 June 2018 5,304 1 View

How to simulate convective heat transfer by using periodic boundary condition in small temperature gradient?

Dear All. I am simulating convective heat transfer by using FLUENT 17.2 in 6 meters circular pipe. Inner diameter of pipe is 14.46 mm. Fluid is water and pipe is copper. mass flow rate is 0.033...

04 May 2018 781 0 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

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

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 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

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 View