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

Search Results

Register Blogs Members List Search Today's Posts Mark Forums Read

Showing results 1 to 13 of 13
Search took 0.00 seconds.
Search: Posts Made By: juliom
Forum: Main CFD Forum October 7, 2016, 10:57
Replies: 85
Views: 10,809
Posted By juliom
What professor Denaro stated is very important...

What professor Denaro stated is very important and a lot of people overlooked this fact.
Thanks professor for the clarification.
Forum: Main CFD Forum October 6, 2016, 17:59
Replies: 85
Views: 10,809
Posted By juliom
This thread (topic) is very cumbersome and...

This thread (topic) is very cumbersome and difficult to find an universal answer. As a matter of fact, at the beginning people used to filter the velocity field separately but then they realized that...
Forum: Main CFD Forum April 18, 2016, 19:26
Replies: 85
Views: 10,809
Posted By juliom
Dear Professor; Currently I am reading/working...

Dear Professor;
Currently I am reading/working with the dynamic procedure. After reading the Germano's Paper "Turbulence:the filtering approach" and Sagaut book I ended up mixing concepts and...
Forum: Main CFD Forum April 4, 2016, 20:19
Replies: 85
Views: 10,809
Posted By juliom
thank you professor; thank you very much!!!

thank you professor; thank you very much!!!
Forum: Main CFD Forum April 4, 2016, 19:38
Replies: 85
Views: 10,809
Posted By juliom
thank you professor for the correction; I mixed...

thank you professor for the correction; I mixed the symbols. I wanted to type "<" instead of ">".
Professor, your previous explanation sounds to me like spectral method. Based on my understanding;...
Forum: Main CFD Forum April 4, 2016, 19:07
Replies: 85
Views: 10,809
Posted By juliom
Professor; thank you very much I really...

Professor; thank you very much I really appreciate your kindness. Your thoughts and explanations are very encouraging and important to me. I wished I could have worked under you.

Now, I think I...
Forum: Main CFD Forum April 4, 2016, 18:00
Replies: 85
Views: 10,809
Posted By juliom
Professor; I have been reading about the explicit...

Professor; I have been reading about the explicit filter and the papers your recommended me; but now I am more confused due to tress facts:
1.- Lund 2003; he proposed that the explicit filter has to...
Forum: Main CFD Forum March 30, 2016, 18:36
Replies: 85
Views: 10,809
Posted By juliom
Thank you professor; It seems that the only...

Thank you professor; It seems that the only options for FD and FV are Gaussian and Top-hat. My main concern is due to important facts that I have come across in the literature; that only cut-off...
Forum: Main CFD Forum March 30, 2016, 16:42
Replies: 85
Views: 10,809
Posted By juliom
Excuse me professor; I will make my statement...

Excuse me professor; I will make my statement clearer. Although it is a little disappointing that sharp cut-off are only possible in spectral methods. It means that any one using FD or FV can only...
Forum: Main CFD Forum March 30, 2016, 16:19
Replies: 85
Views: 10,809
Posted By juliom
Professor; In Pope's book section 13.5 (LES in...

Professor; In Pope's book section 13.5 (LES in wavenumber space) he considered sharp spectral filter, which is natural choice for LES in wavenumber. So, now I wondering if this type of filters are...
Forum: Main CFD Forum March 29, 2016, 16:43
Replies: 85
Views: 10,809
Posted By juliom
thank you professor; Now I see why it is...

thank you professor; Now I see why it is computational expensive..!!!
Forum: Main CFD Forum March 29, 2016, 16:20
Replies: 85
Views: 10,809
Posted By juliom
Professor; does it mean that the filter operation...

Professor; does it mean that the filter operation needs to be done on the product u_i*u_j rather than in the velocity field u_i? In other words; once I compute the velocity field (u_i); it is just...
Forum: Main CFD Forum March 29, 2016, 15:27
Replies: 85
Views: 10,809
Posted By juliom
Dear Professor; I have basically two questions...

Dear Professor;
I have basically two questions regarding this post. If we have to implement an specific filter (explicit filter) let's say that the kernel is the spectral cut-off which indeed...
Showing results 1 to 13 of 13

 
Forum Jump

All times are GMT -4. The time now is 11:38.