open TELEMAC-MASCARET The mathematically superior suite of solvers

Hello,

I am working with a simple coupled telemac2d-sisyphe simulation for cohesive sediments(suspension only, with only 1 class of sediment). I use a waterlevel open boundary at which I want to define a concentration of suspended sediment.

I followed post:
www.opentelemac.org/index.php/community-...with-suspension-only

www.opentelemac.org/index.php/kunena/17-...oncentration-imposed

Attached I send the steering files and bnd-condition file.

What strikes me as odd is:

I define INITIAL SUSPENSION CONCENTRATIONS=0.00004(i.e. 0.04 g/l in mass concentration) in the steering file, but if I look at the initial suspension value of my simulation in BlueKenue(CONC MAS CL1) the value is 0.10599 G/L?

I also define the CONCENTRATION PER CLASS AT BOUNDARIES =0.00008 (i.e. 0.08 g/l mass concentration) but observe the CONC MAS CL1 in BlueKenue at my open boundary as to vary between 0.10599-0.191G/L?

Am I missing something in the delectations?
How is the initial value for CL1 calculated?
Do I use the right method to check my suspended sediment concentration at the boundary?

Best Regards and thank you in advance for your help,
Christian