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Forum: ANSYS Meshing & Geometry

April 9, 2015, 22:07

Replies: 21

[Other] Negetive Volume during mesh motion

Views: 5,387

Posted By sanjeetlimbu

hi iam getting less dynamic motion than the zone...

hi iam getting less dynamic motion than the zone motion preview

I am trying to simluate the compression stroke by a piston using 2D axisymetric.
Currently i am trial s fo rthe 2D planner mesh...

Forum: ANSYS Meshing & Geometry

April 9, 2015, 22:04

Replies: 21

[Other] Negetive Volume during mesh motion

Views: 5,387

Posted By sanjeetlimbu

I am trying to simluate the compression stroke by...

I am trying to simluate the compression stroke by a piston using 2D axisymetric.
Currently i am trial s fo rthe 2D planner mesh using the dynamic mesh - profile mode, I created the profile by using...

Forum: ANSYS Meshing & Geometry

April 7, 2015, 12:14

Replies: 21

[Other] Negetive Volume during mesh motion

Views: 5,387

Posted By sanjeetlimbu

I tried using the edge sizing option but still...

I tried using the edge sizing option
but still getting the negative volume error. even as the orthogonal is good 0.634 and the skewness there is one point element at 0.70

Forum: ANSYS Meshing & Geometry

April 7, 2015, 10:41

Replies: 21

[Other] Negetive Volume during mesh motion

Views: 5,387

Posted By sanjeetlimbu

Yes there will be clearance total length 254+14...

Yes there will be clearance total length 254+14 mm

I am trying to make the piston side mesh in 2D there is crevice- step which is having some shape kink- small conduit area.

I am trying to...

Forum: ANSYS Meshing & Geometry

April 7, 2015, 09:57

Replies: 21

[Other] Negetive Volume during mesh motion

Views: 5,387

Posted By sanjeetlimbu

My dimension for the cylinder is : Stroke...

My dimension for the cylinder is :
Stroke length – 254mm (travel by piston edge), bore – 25.4mm (breath of mesh rectangle)
In cylinder motion: time step 0.000041s (default).
Compression stroke...

Forum: ANSYS Meshing & Geometry

April 6, 2015, 15:59

Replies: 21

[Other] Negetive Volume during mesh motion

Views: 5,387

Posted By sanjeetlimbu

I am trying to simulate the compression stroke...

I am trying to simulate the compression stroke using 2D planner, mesh . I have to use axisymmetric option for my consider the real cylinder volume.
I made UDF and profile both case for the velocity...

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