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help with spur dike

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Old   August 4, 2016, 16:55
Default help with spur dike
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hanif pourshahbaz
Join Date: Jun 2016
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i want to model a spur dike
but i faced some problem
1) scour happened at first of channel when the material change from solid to sediment, how can i define my problem to avoid these scours???
2) scour happened at the place where mesh boxes joins!!! how can i avoid this problem??
3) my flow depth should be 15 cm ,but after a long time running the model
flow depth became 10cm :| and i don't know what to do

i attached my model to the post
and the result after 160s
and flow depth
if anyone have any idea or suggestion i would be very thankful

Attached Images
File Type: jpg scour.jpg (53.4 KB, 11 views)
File Type: jpg depth.jpg (19.8 KB, 7 views)
Attached Files
File Type: zip Copy_of_modele_aval_(Mesh_dorosht-0_053).zip (4.8 KB, 4 views)
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