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Hello,

I am having some issues in my 2d sediment transport model (telemac 2d coupled with GAIA) and some discrepancies in GAIA manual and dico. Any help on this is very appreciated.

Q1: I have a LIQUID discharge coming from the right upstream of the model. I imposed the following boundary condition with equilibrium sediment discharge LIEBOR is set = 5 and I set EQUILIBRIUM INFLOW CONCENTRATION = YES.

5 4 4 0.000 0.000 0.000 0.000 5 0.000 0.000 0.000
However, if you look at my bed level change (image 1) red area shows sedimentation coming from the upstream boundary condition. I am going to try changing the sediment size in that area to see how it is affecting the sedimentation. But any tips from you is very much appreciated !

Q2: in order to have the varying sediment size in my 2d model, can I use bluekenue and adding variable for the sediment size? and what is the name of the source file for sediment size classes in GAIA

Q3: Also, it comes to my attention that the variable M and QSBL both are the same thing " bedload transport rate". There is a discrepancy in GAIA dico and Manual.
In order to check the suspended load which variable do I need to add in the CAS file. I added kCONC but it did not add any variable in my result file. If there is no variable how I can calculate that?

Please see the attached files. my T2D,GAIA cas files, CLI file
and liquid boundary condition files as well as the bed level change result file.





Thanks for your help on this.
Sanaz