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bolted nut flange joint. FEM, STRUCTURAL, STATIC, ANALYSIS, ABAQUS

bolted nut flange joint. FEM, STRUCTURAL, STATIC, ANALYSIS, ABAQUS

bolted nut flange joint. FEM, STRUCTURAL, STATIC, ANALYSIS, ABAQUS

first of all i want to admit that im quite new to abaqus and FEM, so hopefully with guidance i ill find my way.

problem faced:
1.step1- static analysis would not converge, and aborted by error
2.im finding a hard time to achieve an good aspect ratio mesh (goal is to get not more than 2 aspect ratio).

info on the model:
1.im doing a static single concentratted load which is acting at the middle of the stud type bolt.
2.the model analaysed is a sysmetry half of bolted joint.
3.component include;1.stud bolt,2. two nuts, 3. gasket, 4. 2 raise face falnge /welded neck

glad if anyone to give a hand on this issue.

attached is
1.error note in note pad
2.aborted screen shot
3.cae file

cheers :)

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