TELEMAC-MASCARET Forum: initial condition of river (1/1)

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TOPIC: initial condition of river

initial condition of river 2 years 5 months ago #40524

haozailao OFFLINE Senior Boarder Posts: 86 Thank you received: 1	Hello,I want to run a 2d flood simulation. I need to set a initial water depth in the river area and the land is dry.Maybe a hotstart can achieve the goal.But I want to know whether can I achieve this situation by setting initial condition?
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initial condition of river 2 years 5 months ago #40533

jtravert
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Posts: 36
Thank you received: 23

Good morning,
What you can do is do the initialisation through a user_fortran file with INITIAL CONDITIONS="SPECIAL" in your steering file using the subroutine USER_CONDIN_H to define the water height at the initial state. You need to know exactly the contour of your river area and then define a polygon around this area. And finally, to set the water depth withing the defined polygon, you can use the subroutine INPOLY.

Good luck,
Jean-Paul

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