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problem with FSI artery mechanical result

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Old   February 22, 2017, 08:55
Unhappy problem with FSI artery mechanical result
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ramin
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Hello experts.
I'm working on FSI simulation in an bifurcating artery by coupling fluent and
transient structural. I Know here is cfx forum but maybe someone had exprience about this.
my boundry conditions are pulse velocty inlet ( depends on time and writing as a transient profile) and zero pressure in outlets.
simulation run successfully but result of mechanical is incorrect. when I see stress result at different time,the artery miss geometrical form and when I
animate stress,no change occure during the animation.
mesh and skewness chart.jpg

stress at last time.jpg

stress at maximum inlet velocity.jpg

artery during animation.JPG

can anyone help me?
thanks for your attention.
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