Which model,laminar or turbulent model i must use for CFD analysis for flow in wind tunnel.?

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How to explain the factor that increasing the drag force of perforated body?

Hello How should i explain the increasing of drag force acting on the perforated body.Im comparing the drag force between the surface body with and without holes on it.The result obtained shown...

05 June 2016 2,261 5 View

How to explain the difference between simulation and experiment result?

i comparing result between simulation and experiment.But there are huge different between this result.Which kind of error should i look to justify the difference between this two result?...

05 June 2016 209 26 View

Hi since im new in CFD..can anyone tell me how to do Grid Independence Test step by step?

Ansys Fluent Computational Fluid Dynamic

04 May 2016 7,543 2 View

Quad-map mesh or tri grid mesh,which one is better?

i'm doing a simulation in fluent,but when it come to meshing,people will ask me,why you choose to use grid rectangular mesh instead of tri-mesh,and which one is better to get more accuracy...

04 May 2016 680 4 View

Hi,anyone can help me how to set boundary condition for turbulance inlet and outlet?

I'm making simulation on nacelle lip-skin in the wind tunnel using fluent.Can anybody explain what are the specific value that i need to put in Velocity inlet and Outlet for turbulance intensity...

04 May 2016 4,458 1 View

How to justify that 3D result is more accurate than 2D result?

I'm running simulation both 2D and 3D of the same geometry.The thing is,i got both result not same but i have read somewhere that 3D result is more accurate than 2D result. Can anyone explain how...

04 May 2016 3,556 10 View

Hi, What are the difference between first order upwind and second order upwind in FLUENT?

Simulation of airflow using Fluent

02 March 2016 1,765 5 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

16 June 2021 0 0 View

fatal error

16 June 2021 0 0 View

fatal error

16 June 2021 0 0 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

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

What techniques can I use to determine the miscibility of polymer blends?

The term miscibility refers to the single-phase state in thermodynamics. I do not mean the compatibility of different components. To determine the miscibility I know several techniques such as...

03 March 2021 4,107 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