[allenjohngeorge]

I am trying to generate turbine cascade mesh with cooling holes on the shroud face and a shroud gap. I have added holes using the Solid Body feature and selected configuration 2 and added about 10 radial holes. The B2B mesh looks fine but when I generate the 3D mesh, I get warnings as shown in the image attached.

After the generation of the full 3D Mesh, it shows that the spanwise angular deviation is more than 40 degree.
I am using AUTOGRID5.

Is there anyway I can get rid of this. Thanks

An image of a coarse B2B mesh is also attached

[eng.abdul]

yes.

Method 1# Go to B2B Mesh Control Box. then click on intersection control. change the intersection quality from low to high. your problem will be solved.

Method 2# Go to 3D Mesh Control Box and try the value of 2 or 3% under span interpolation box.

Try and reply

[allenjohngeorge]

The intersection quality is already high.



The value of span interpolation is not modifiable. It reverts back to zero whenver I try to change the value.

[Hamidzoka]

Hi;
Attached picture shows an unusual concentration of elements on periodic boundary of suction side near the TE where the periodic boundary slope experience a sudden change. Maybe this is the reason you get such high deviation angles.
Try different mesh distribution there or try other topologies with smooth periodic boundaries.
If it does not work, the reason may be the large difference between size of cooling meshes and hot gas external flow ones. Let these meshes have more or less the same size at regions they reach together. This will definitely increase the number of elements and consequently the CPU time.

regards