How frictionless boundary condition is set up in fluent?

how frictionless boundary condition is set up in fluent?

02 March 2019 3,663 3 View

What is difference between detonation and knocking ???

In some book both words are use with si and ci engine. in some ci and sI engine both have knocking. what is actually difference between these two word??

31 December 2018 6,497 2 View

If i want to set Ri= -1 in fluent how to set up?

03 April 2016 3,813 1 View

Does anybody knows about how to calculate Cd due to pressure and viscous?

Anyone know how to do that in CFD-post. Please answer asap. Thanks.

02 March 2016 197 0 View

What is saddle points in vortex shedding?

what is mean by saddle points in vortex shedding and how can it be captured?

01 February 2016 5,186 4 View

Why as I am simulating flow behind square cylinder with buoyancy opposing case the result.out file shows reversed flow?

my question is is it my simulation is correct? flow is going from downwards to upwards and fluid temperature is high compare to cylinder.why is reversed flow occur?

11 December 2015 7,191 3 View

If carbon content is changed in steel whether modulus of elasticity change?

11 December 2015 7,447 3 View

In natural convection problem heat transfer is happening more in vertical pipe or horizontal pipe?

i am confused by below explanation: 1) According to Grashof number definition value of Gr is more in case of vertical pipe assuming other parameters are same so it shows that heat transfer is more...

11 December 2015 4,056 10 View

Why radiator in automobile is called radiator?

This question is asked because mode of heat transfer in radiator is forced convection so why it is called radiator? is there any way related to radiation?

10 November 2015 3,214 4 View

Why does pure water-glass have a capillary angle 0 but contaminated water glass has around 25?

I

10 November 2015 3,930 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

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

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 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

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

How to show arrows over the streamlines in CFD-post?

I follow this to make streamlines like the photos attached below: (software- CFD post-processing) First I plot the 2D streamline over a surface "streamline 1". them I plot a vector by the...

01 March 2021 8,668 3 View