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Forum: CFX Today, 21:02
Replies: 4
Views: 795
Posted By ghorrocks
The same concept applies: If the system torque is...

The same concept applies: If the system torque is zero, then the turbine will run when the turbine torque is zero. In other words, when it is running slower it will generate a positive torque which...
Forum: CFX Today, 08:45
Replies: 4
Views: 795
Posted By maximilianomavica
Hi Ghorroks, what happens if you need to know the...

Hi Ghorroks, what happens if you need to know the rotation speed of the propeller. Let's assume that there is no system connected.
Forum: Main CFD Forum Today, 06:40
Replies: 0
Views: 34
Posted By jd113
Designing one's own solvers

I am a returning CFD enthusiast. I have taken to it again after about 10 years simply because the mental stimulus makes me sleep better.
So I have my old college Navier Stokes codes written solved...
Forum: FLUENT Today, 05:59
Replies: 2
Views: 1,797
Posted By AlexFlow
The secret is to reduce all relaxation factors in...

The secret is to reduce all relaxation factors in "Controls" to below 0.25.
Some applications are unstable and need to run more slowly to achieve convergence.
I had the same problem and was reading...
Forum: Main CFD Forum Today, 05:39
Replies: 2
Views: 623
Posted By Siedegi8o
Fire dynamic simulators are essential tools for...

Fire dynamic simulators are essential tools for understanding fuel density and its impact on fire behavior. Exploring interactive platforms like crazy games (https://crazygames.gg/) can complement...
Forum: OpenFOAM Post-Processing Today, 04:08
Replies: 1
Views: 40
Posted By betelgeuze
Digging through the documentation, I found the...

Digging through the documentation, I found the parameter you have to set to get the location:

#includeFunc cellMax(field=T,writeLocation=yes,region=yyy)
Forum: CFX Today, 04:00
Replies: 4
Views: 795
Posted By ghorrocks
The usual way to do this is: * Do a series of...

The usual way to do this is:
* Do a series of steady state models covering the possible range of rotation speeds, maybe 20rpm to 100rpm.
* Extract from these simulations the torque generated by the...
Forum: FLOW-3D Today, 03:55
Replies: 0
Views: 23
Posted By floagde
how to solve the problem that the "negative fluid temperature"

hellow, I use flow3D for SLM. Currently when my heat source is loaded there is a negative flow field temperature. My setup is: 5 um cell , the heat source radius is 35 um, and the laser is set at...
Forum: Main CFD Forum Today, 00:14
Replies: 3
Views: 146
Posted By anhn0610745
You have to solve the discrete Navi Stock...

You have to solve the discrete Navi Stock equation to calculate the velocity u, v at time t+1 from the initial values, then you will put u, v at time t+1 just calculated into the simple algorithm to...
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