How to plot streamlines for a fea unstructured mesh with given u,v velocities?

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Swathi reddy
Swathi reddy 2021-6-5
评论： biot0p 2022-4-26
I have a unstructured mesh with node coordinates and respective u,v velocities. The streamline plot fucntion needs monotonic data, is there any other way to plot stream lines using unstructured mesh?

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回答（2 个）

SALAH ALRABEEI
SALAH ALRABEEI 2021-6-5
% try
quiver(x,y,u,v)
darova
darova 2021-6-5
Use griddata to create monotonic data
  1 个评论
biot0p
biot0p 2022-4-26
Typically meshes that come from complex geometries of FEA are actually unstructured, so griddata would not work in this case.
i found this link here, that plots steamlines from meshes, but one of the functions used (tsearch) is deprecated. It would be great if streamline simply had a way of plotting with meshes, like quiver does!
http://freesourcecode.net/matlabprojects/59097/compute-streamlines-on-triangular-mesh--in-matlab#.YmgANnZBxnI

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