Distortion of the section after trimming

I am trying to model a K Joint. I used surface line to cut a section in the chord thickness through the weld brace and weld width. I used solid edit,, trim with lines, with sweep lines and use Y axis for the direction. But after the trim I get distorted section as shown in Fig 2. What could be the possible cause of this
Figure 1: Quarter section of K joint
Figure 2 using with sweeping lines
Fig 3 : the distorted section where i cannot do meshing
can anyone please help me to resolve this issue
Answers
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I have uploaded the model. I have used hypermesh 21. If you could see in the model, i have been experiencing additional problems, the distortion of meshing in the brace
I would be grateful if you could help me
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I would recommend to remove the cuts at the opposite side of the tube.
This can be done via Boolean operation combine.It's also a geomtry visualization issue.
Hide the geometry and you will see that elements are prefectly shaped.Please find attached the modified model.
Best regards,
Gunter0 -
HyperMesh 2021 file.
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Dear Sir
Thank you very much for your reply.
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