CFD Online Logo CFD Online URL
www.cfd-online.com
[Sponsors]
Home > Forums

Search Results

Register Blogs Community New Posts Updated Threads Search

Showing results 1 to 22 of 22
Search took 0.00 seconds. Search: Posts Made By: Fluidentity13
Forum: STAR-CCM+ December 21, 2022, 09:06
Replies: 1
Views: 543
Posted By Fluidentity13
Exclamation Flip Surface Normals in Starccm+

Hello Everyone,

So I am developing Macros to run simulations on Pipes.
I close the surfaces of the original Pipe Geometry using Fill Surfaces in Surface Repair & wrap the internal Fluid_Volume....
Forum: Main CFD Forum May 3, 2022, 14:07
Replies: 13
Views: 1,108
Posted By Fluidentity13
Zero Correction at inlet ? Shouldn't be that way...

Zero Correction at inlet ? Shouldn't be that way for channel flow, if I understand your inquiry right. Only for Outlet you've to fix the Pressure value.

Also, staggered or collocated grid.
...
Forum: STAR-CCM+ April 1, 2022, 23:57
Replies: 1
Views: 639
Posted By Fluidentity13
Exclamation Assigning Material to Multiple Regions (StarCCM+ Scaled Assembly Simulation)

Hi,

Do I have to assign material for each Region here. (Impossible) . Please suggest a quick fix !!
Forum: Main CFD Forum February 3, 2022, 05:10
Replies: 1
Views: 463
Posted By Fluidentity13
Post CFD Work Contract Template

Can anyone be kind enough to share work contract template for CFD Consulting work. The firm is paying for the license & the workstation. I have to manage a project for a firm, which should last 3-6...
Forum: Main CFD Forum December 8, 2021, 03:55
Replies: 0
Views: 597
Posted By Fluidentity13
Lightbulb 2D_Panel-CFD v0.0.1 Release

General Background The project has been started as an Open Source repository for CFD solvers. The motive is to provide handy easy to understand code with multitude of CFD schemes for CFD developers....
Forum: Main CFD Forum November 10, 2021, 09:10
Replies: 6
Views: 1,250
Posted By Fluidentity13
That'd be great. Thanks a lot. ...

That'd be great. Thanks a lot.

aman.sangal13@gmail.com
Forum: Main CFD Forum November 9, 2021, 01:07
Replies: 6
Views: 1,250
Posted By Fluidentity13
Hi, Can you please elaborate on the...

Hi,

Can you please elaborate on the mistake. I've been stuck on this for days on end (UPWIND Scheme) with multiple types of grid & boundary treatment. Same issue, solution blows up for U.R.F...
Forum: Main CFD Forum November 4, 2021, 00:29
Replies: 1
Views: 1,018
Posted By Fluidentity13
https://www.youtube.com/watch?v=hb4RQeBkYjk&list=P...

https://www.youtube.com/watch?v=hb4RQeBkYjk&list=PLVuuXJfoPgT4gJcBAAFPW7uMwjFKB9aqT&index=4

This cleared all of my doubts. I wasn't discretising the diffusion term for boundary cell seperately,...
Forum: Main CFD Forum November 3, 2021, 05:39
Replies: 1
Views: 1,018
Posted By Fluidentity13
Post Boundary conditions for Staggered grid - steady pipe Flow - SIMPLE

Hi everyone,

I'm sorry for yet another thread, but I am getting stuck pretty bad. I promise to upload all my notes, & proper documentation for devising a staggered solver with Steady & Unsteady...
Forum: Main CFD Forum November 2, 2021, 03:32
Replies: 13
Views: 1,108
Posted By Fluidentity13
Thank a lot for diverting me to that enlightening...

Thank a lot for diverting me to that enlightening thread. I picked up that only applying Nuemann Boundary condition can tease out a solution, & wanted to give it a try, assigning the right boundary...
Forum: Main CFD Forum November 1, 2021, 08:38
Replies: 13
Views: 1,108
Posted By Fluidentity13
No, I guess I need information on specifying...

No, I guess I need information on specifying boundary conditions.

Only one wall needs Pressure boundary right? And the whole matrix would resize because of that? Also for X-Velocity, I have...
Forum: Main CFD Forum November 1, 2021, 08:24
Replies: 13
Views: 1,108
Posted By Fluidentity13
I haven't, prescribed anything. Initial...

I haven't, prescribed anything. Initial conditions I've provided. I'll have to revisit the chapters once again, I guess. Is the boundary condition treated by equating the last row to a fixed value,...
Forum: Main CFD Forum November 1, 2021, 08:16
Replies: 13
Views: 1,108
Posted By Fluidentity13
So, you mean the formulation of the pressure...

So, you mean the formulation of the pressure correction matrix must be wrong, and it's not commonplace for illconditioned matrix, requiring special attention. Sorry, I am very new to this. And...
Forum: Main CFD Forum November 1, 2021, 07:30
Replies: 13
Views: 1,108
Posted By Fluidentity13
Exclamation Help with Pressure Correction Matrix - Singular - Ill-conditioned Matrix.

Need Help !! How do you solve linear System of Equations(Solver), with a Singular or Ill-Conditioned Matrix?

The linear system of equation is based on Pressure corrector Step 2 from incompressible...
Forum: Main CFD Forum November 1, 2021, 05:18
Replies: 12
Views: 1,149
Posted By Fluidentity13
Question I am in need of help on this. I am seriously...

I am in need of help on this. I am seriously stuck on ill-conditioned matrix (cond = 1e16 and above) & can't seem to find a solution to this problem. Can anybody point me in the correct direction.
...
Forum: Main CFD Forum October 27, 2021, 09:22
Replies: 12
Views: 1,149
Posted By Fluidentity13
Thanks a lot for pointing that out, I almost...

Thanks a lot for pointing that out, I almost forgot about that. I am not running the convergence check just about yet, would be running 5 iterations for each time step, maybe will check if quantities...
Forum: Main CFD Forum October 27, 2021, 04:58
Replies: 12
Views: 1,149
Posted By Fluidentity13
Post Overview of v01 steps (SIMPLE Unsteady)

Thanks a lot for introducing me to these algebraic solvers. Now, I am able to recall that I used scipy.linalg for crank-nicholson implicit Eqns for 2D Plate conduction a while back.

Anyways, I am...
Forum: Main CFD Forum October 17, 2021, 01:32
Replies: 22
Views: 7,743
Posted By Fluidentity13
Hi Arjun, Can you mail it to me too. I...

Hi Arjun,

Can you mail it to me too. I can't figure out why it's not working for me.

Thanks a lot.



aman.sangal13@gmail.com
Forum: Main CFD Forum October 15, 2021, 09:31
Replies: 12
Views: 1,149
Posted By Fluidentity13
Thanks Mr. Wang for the advice. I believe it was...

Thanks Mr. Wang for the advice. I believe it was videos of adaptive mesh only, posted by Tobi Holzmann which got me interested into the manipulation of existing code.


Can you expand on the...
Forum: Main CFD Forum October 15, 2021, 07:22
Replies: 12
Views: 1,149
Posted By Fluidentity13
Thanks a lot, Paolo, for your most valuable...

Thanks a lot, Paolo, for your most valuable guidance. Your point of requiring a Ph.D. competence is what I am struggling with at the moment. Besides the beauty of CFD code, one other motivation I...
Forum: Main CFD Forum October 15, 2021, 02:43
Replies: 12
Views: 1,149
Posted By Fluidentity13
Advice on Software dev Career in CFD / Timeline of constructing a FVM Code

Hi to all,

So I have been working in the HPDC Die Casting industry using packages like MagmaSoft, Flow-3D & ESI's ProCast. (Got to be the most challenging CFD application ever with super high...
Forum: OpenFOAM September 23, 2021, 02:42
Replies: 0
Views: 599
Posted By Fluidentity13
Lightbulb Alt to funkySetFields, setFields OF - setExpS _ setExpV

./setExpS ./setExpV
Alt for funkySetFields-swak4Foam with easy setup for setting initial Scalar or Vector fields using a math expression.

https://github.com/Fluidentity/setExpS_V


C++...
Showing results 1 to 22 of 22

 
Forum Jump

All times are GMT -4. The time now is 03:19.

Contact Us - CFD Online - Privacy Statement - Top