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Questions related to CFD Simulation
In this research, typically the vegetation is modeling using rigid bodies. Has anyone looked into modeling flexible bodies?
07 March 2018 1,403 2 View
I would like to study the wear on a sucker-rod and come out with a quantification. Thanks for your replies
03 March 2018 1,204 2 View
Hello, I currenty work on a FSI (Fluid-Structure-Interaction) using Ansys 18.1. After a lot of efford I succeded at a working simulation, but it takes a high computation duration. With Ansys...
24 January 2018 6,614 4 View
Comparing a building in a low density area, with another one located in a dense urban neighborhood; the wind speed on facades and therefore the temperature of the facade elements varies. Is the...
13 January 2018 557 2 View
I am working on the CFD simulation of supersonic suddenly expanded nozzle flow separation with turbulence modelling (2D axisymmetric). Can you please suggest me the best way to learn...
04 January 2018 3,571 3 View
I am trying to implement CBC in ANSYS Fluent at the outlet. Please guide me through. I have written a single UDF where I have defined a parabolic profile at inlet and a CBC for the outlet. When I...
30 December 2017 5,087 2 View
I am interested in reading papers/reports on numerical simulations of industrial gas fired heaters with direct multi-flame impingement used for the heating of billets before extruding. I find some...
10 November 2017 4,780 4 View
Has anybody simulated GE Compressor? I had simulated this 17th stages compressor with the CFX; when I used a coarse mesh with y+=30 and k-w turbulence model, there is no problem in convergence and...
23 October 2017 542 1 View
I use an in-house CFD code to simulate the flow over Idealized Side Mirror. The reference paper is Caraeni2011. To compare with the reference paper, I obtain the pressure history at the monitor...
01 September 2017 2,016 12 View
Hello everybody,Can any one tell me what's the best way to draw and mesh a 30 degree sector of a cylinder in gambit, that has the best meshing quality for CFD simulations? Mainly I have some...
09 August 2017 2,511 12 View
hi everyone my question is about the intra aneurysmal hemodynamics. What parameters are influencing the size of the vortices inside the the aneurysmal dome. thanks best regards
27 June 2017 1,943 2 View
I am currently working on performing an LES WALE simulation to extract pressure data, to be later used for acoustic simulation. I have some information about the grid density requirements in terms...
28 April 2017 4,517 5 View
Hello, everyone!! I am a Ph.D. research scholar, working on the biomass gasification systems. For my personal interests, I wish to learn some simulation tools for their application in my current...
31 March 2017 8,160 5 View
I want to draw bubbles shape in tecplot using the level set function
30 December 2016 1,532 3 View
I'm simulating collision of a droplet and a moving particle in mid-air. The particle is launched towards the droplet while the drop is moving in opposite direction (pls. see Fig. 1)For solving...
20 November 2016 2,337 3 View
I am solving the natural convection heat transfer problem within an enclosure with few heat generating components using Fluent.Around this enclosure,I have considered the fluid domain. To consider...
18 November 2016 6,401 5 View
Please start up time is defined here as the time elapsed when average velocity of a fluid rises from rest to within 1% of its steady state value with the sudden imposition of a pressure gradient...
10 October 2016 1,064 4 View
Using Density Based Solver, Pressure Inlet and outlet Inlet pressure: 101325 Outlet Pressure: 68738 This is the same problem given in book "CFD by Anderson", I have written code, which is giving...
04 October 2016 2,268 8 View
I have two vessels filled with steam at the different pressure of 82 Kpa, 150 C and 10 KPa, 35 C respectively. And these are connected by one pipe with cross section area of 1 m2. I want to find...
09 September 2016 2,380 3 View
I am trying to solve a mixing tank problem, the tank is made of two parts i.e. a cylindrical part and the bottom as semi spherical part. Stirrer made of three blades. I created 4 bodies the 1....
20 August 2016 9,744 4 View
Hallo all, I am simulating 2D flow field around a 24% thick profile using RANS/URANS. The simulations were performed at Re=12M and M=0.2. The problem is that I got very high total drag coefficent...
07 July 2016 3,304 4 View
I think, turbulence intensity is increasing in turbulent flow because of increase in magnitude of turbulence production term in turbulence kinetic energy equation. Am i right?. If wrong, what...
07 July 2016 7,237 4 View
While simulating fluids using CFD tools on 2D / planar mesh and 3D / volume mesh the flow will differ according to the cross-section obviously. In case of a flow mixing simulation, if the...
07 July 2016 8,294 6 View
It should be noted that FDS (the most widely used code) is Cartesian.
07 July 2016 7,055 3 View