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January 29, 2014, 19:09
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AVLFire EseDiesel-mesh cannot be created
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#1 |
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New Member
EMRE
Join Date: Jan 2014
Posts: 6
Rep Power: 12  |
Hi firends,
I am trying to learn avlfire-diesel for senior design project. İf i want to generate 2D mesh, an error occured. Mesh can not be created.Average cell size is too big.Although i reduce average cell size , same error occured.Thanks for your help. |
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January 30, 2014, 15:07
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#2 |
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Senior Member
amin u3fi
Join Date: Feb 2013
Posts: 137
Rep Power: 13 |
Hi....
You should change your block structure. If you set a correct block you can generate 2D mesh |
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January 30, 2014, 16:44
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#3 |
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New Member
EMRE
Join Date: Jan 2014
Posts: 6
Rep Power: 12 |
I am looking application example.Where i am making mistake?
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January 31, 2014, 02:00
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#4 |
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Senior Member
amin u3fi
Join Date: Feb 2013
Posts: 137
Rep Power: 13 |
Hi...
oh... u make a clear mistake. Your structure (line structure) should not intersect each other. best regards Amin_u50 |
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January 31, 2014, 02:56
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#5 |
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New Member
EMRE
Join Date: Jan 2014
Posts: 6
Rep Power: 12 |
Thanks a lot.when i change values to avoid intersect , i can create meshes.
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January 31, 2014, 04:13
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#6 |
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New Member
EMRE
Join Date: Jan 2014
Posts: 6
Rep Power: 12 |
This time i can create meshes but i can not save.
2D meshes have overlapped region.İt is not possible to save CFDWM project.Create 2D meshes with different cell size. |
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January 31, 2014, 05:14
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#7 |
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Senior Member
amin u3fi
Join Date: Feb 2013
Posts: 137
Rep Power: 13 |
I didn't understand what's your problem? plz explain your problem clearly
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February 3, 2014, 06:43
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#8 |
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New Member
EMRE
Join Date: Jan 2014
Posts: 6
Rep Power: 12 |
I need to save in order to start simulation.But if I want to save programme an error occured.
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February 3, 2014, 10:21
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#9 |
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Senior Member
amin u3fi
Join Date: Feb 2013
Posts: 137
Rep Power: 13 |
You have over lapped regions it means that in 3D meshes you gain negative volume and it's false. You should change your mesh structure with block structure and try the best.
Best regards. Amin_u50 |
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February 12, 2014, 08:17
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#10 |
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New Member
EMRE
Join Date: Jan 2014
Posts: 6
Rep Power: 12 |
I know fourstroke engine have 4 step:
0-180Cad İntake 180-360Cad compression 360-540Cad power 540-720Cad exhaust But it does not same in avl.How these step are classified in AVL? |
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August 16, 2014, 11:16
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#11 |
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Member
ABDUL GAFOOR CP
Join Date: Jul 2014
Posts: 30
Rep Power: 11 |
hiii...
As i understood about ur question, in ese diesel they started their simulation for the second cycle of a cylinder...that means...the TDC after compression will come at 720CAD....so u have to convert your valve events according to that... take 360 as ur 0 CAD position..then continue..... please reply if u got my point.... regards...gafoor |
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