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Search: Posts Made By: engineer.iman
Forum: Main CFD Forum June 12, 2016, 15:02
Replies: 5
Views: 199
Posted By engineer.iman
so that means that the total size of all time...

so that means that the total size of all time steps is equal to the physical time of the process??
Forum: Main CFD Forum June 12, 2016, 01:08
Replies: 5
Views: 199
Posted By engineer.iman
i want to change my question: for simulating a...

i want to change my question:
for simulating a process that takes 20 days, should i specify 1728000 time steps (if assuming the size of each time step is 1 s)????

20days * 24 hours* 60Minutes*...
Forum: Main CFD Forum June 11, 2016, 10:17
Replies: 2
Views: 210
Posted By engineer.iman
thank you very much for your reply. i actually...

thank you very much for your reply.
i actually used the convergence time and the residuals as a basis for selecting the best mesh which in this case the medium one.
but i need to interpret the y+...
Forum: Main CFD Forum June 10, 2016, 15:28
Replies: 5
Views: 199
Posted By engineer.iman
actual flow time versus simulation time

i have a question regarding the time of simulation.
if i have an internal flow system that runs for 20 days for example and i'm simulating that flow using CFD (i.e. Fluent) in order to track some...
Forum: Main CFD Forum June 10, 2016, 12:04
Replies: 2
Views: 210
Posted By engineer.iman
Which one is better mesh in terms of y+

hi,'i have done a mesh Independence study for internal pipe flow in FLUENT.
the flow is turbulent water flow
i have three meshes, the fine and medium quality meshes returned the same y+ value (<20)...
Forum: Fluent Multiphase March 10, 2016, 23:01
Replies: 3
Views: 156
Posted By engineer.iman
thank you very much, i had to increase the DPM...

thank you very much, i had to increase the DPM maximum steps as you mentioned. however, how to decide the maximum number of DPM steps?

i really appreciate your help. thanks again.
Forum: Fluent Multiphase March 9, 2016, 03:54
Replies: 3
Views: 156
Posted By engineer.iman
problem with viewing DPM

hi,
i have ran this multiphase Eularian with DDPM model for a flow in 1.5 long cylinder. however, the contours and data for the DPM appear for up to 0.4 m of the total pipe length. the particles...
Forum: FLUENT January 22, 2016, 02:38
Replies: 8
Views: 1,742
Posted By engineer.iman
Did you manage to identify the cause of the...

Did you manage to identify the cause of the error? could you please share how you solved it?
i'm facing the same issue !!!
Forum: FLUENT November 30, 2015, 02:53
Replies: 7
Views: 606
Posted By engineer.iman
fine particle model in Fluent (FPM)

can any body please tell me how to get or activate the FPM in ANSYS FLUENT?? i can't find the icon for that!! i'm using Workbench 14.0
Forum: FLUENT November 30, 2015, 02:51
Replies: 5
Views: 961
Posted By engineer.iman
could you please tell me how to get or activate...

could you please tell me how to get or activate the FPM in ANSYS FLUENT?? i can't find the icon for that!! i', using Workbench 14.0
Forum: CFD Freelancers August 10, 2015, 02:33
Replies: 1
Views: 617
Posted By engineer.iman
freelancer needed in multiphase flow simulation

i'm looking for a freelancer with good experience with multiphase pipe flow simulation using Ansys Fluent. the project include writing UDF and particle tracking..details are to be discussed through...
Forum: FLUENT April 20, 2015, 23:55
Replies: 2
Views: 444
Posted By engineer.iman
saving mesh from a case file

hi
i have a case file in ansys fluent 14. how can i save the mesh separately so that i can use it in other projects
Forum: ANSYS Meshing & Geometry February 18, 2015, 03:11
Replies: 3
Views: 388
Posted By engineer.iman
any response :(?!! i would really appreciate...

any response :(?!!
i would really appreciate any advice or comment
Forum: ANSYS Meshing & Geometry February 10, 2015, 03:50
Replies: 3
Views: 388
Posted By engineer.iman
mesh quality for simple geometry

hi,
i'm modelling a flow of water through 1.5 m long and 4" diameter circular pipe.
the geometry it self is simple pipe however the flow is multi-phase with particles thus the mesh quality is very...
Forum: FLUENT November 26, 2014, 03:32
Replies: 0
Views: 417
Posted By engineer.iman
tank draining by gravity to another tank

can any one help me please with some tips, how to draw the following geometry in design modeler?
the tanks are of the same size and with circular cross section, the water flows from the first tank...
Forum: Main CFD Forum October 22, 2014, 22:43
Replies: 1
Views: 420
Posted By engineer.iman
can any one tell me whether my mesh is a...

can any one tell me whether my mesh is a structured or unstructured mesh? how can you know that from the pictures?
some one advice me to try a structured mesh to see how it can improve my results...
Forum: Main CFD Forum October 20, 2014, 23:24
Replies: 1
Views: 420
Posted By engineer.iman
U-bend pipe validation case

Hi
i'm trying to validate the case of U-bend pipe case from Ercoftac data base using Fluent.
the geometry is as shown, the straight part is 18D long, the diameter is D=1m and the diameter of the...
Forum: ANSYS Meshing & Geometry September 30, 2014, 02:32
Replies: 1
Views: 681
Posted By engineer.iman
can you provide a picture of that! i find...

can you provide a picture of that!
i find design modeler very convenient with simple to moderate geometries
Forum: Main CFD Forum September 30, 2014, 02:30
Replies: 1
Views: 282
Posted By engineer.iman
although no one responded to me. but i already...

although no one responded to me. but i already figured out what is the content :)
Forum: Main CFD Forum September 24, 2014, 03:39
Replies: 1
Views: 282
Posted By engineer.iman
Reading experimental data for case validation

can any one help understand the results that is listed in the attached file? i got it from this case listed in the database
...
Forum: FLUENT September 17, 2014, 21:02
Replies: 2
Views: 483
Posted By engineer.iman
Thank you Pakk for your comment, i will dig into...

Thank you Pakk for your comment, i will dig into the guide and see how i can write this UDF!!
Forum: FLUENT September 17, 2014, 04:21
Replies: 2
Views: 483
Posted By engineer.iman
reading boundary conditions data at inlet from .dat file

Hi
i have tabulated data of velocity, k and e from actual experiment in .dat type. how can i set fluent to read from this file for the inlet conditions? also if i want to set k-e using the...
Forum: ANSYS Meshing & Geometry September 3, 2014, 23:36
Replies: 2
Views: 7,395
Posted By engineer.iman
i have the same question, i want to know what is...

i have the same question, i want to know what is the impact of each of the RC options on my mesh!!! the guide says nothing about that!!!
Forum: FLUENT June 12, 2014, 21:27
Replies: 1
Views: 911
Posted By engineer.iman
can any body send me the file please. i can't get...

can any body send me the file please. i can't get it through the portal now, if any one has access kindly send it to my email ...
thank you in advance
Forum: Main CFD Forum March 11, 2014, 02:22
Replies: 19
Views: 2,126
Posted By engineer.iman
Thank you very much for the enlightening...

Thank you very much for the enlightening explanation, i'm gonna follow your advice and see how it will go.
another question: is there any way that i can compare the different solutions in Fluent; a...
Showing results 1 to 25 of 36

 
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