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TOPIC: Multi_Grain Sisyphe
Multi_Grain Sisyphe 7 years 2 months ago #27822
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Hello,
i need pleas an explanation for the steering_file from Sisyphe. my model has a trapezoid profile. The embankments are made of cement, only the sole in the main channel is mobable. ( Attachment) I have already define the RIGIG BED 'SUBROUTINE NOEROD' as Fortan file in Steering_file Telemac. ( Attachment) the sohl material is defined as multigrain / / MULTIGRAIN / NUMBER OF SIZE-CLASSES OF BED MATERIAL = 3 SEDIMENT DIAMETERS = 0.00544D0; 0.00317D0; 0.0017D0 INITIAL FRACTION FOR PARTICULAR SIZE CLASS = 0.5D0; 0.3D0; 0.2D0 / total = 1 / / MULTI LAYER / NUMBER OF BED LOADMODEL LAYERS = 3/3 layer CONSTANT ACTIVE LAYER THICKNESS = YES ACTIVE LAYER THICKNESS = 0.20 SECONDARY CURRENTS = YES / my questions: 1- what says exactly the 'INITIAL FRACTION FOR PARTICULAR SIZE CLASS' . in my case, is that the same as the D50,D30 and D10 in the grading curve of my sole material? 2- in the Fortran file: the embankments are defined as rigid bed NON ERODABLE BED equals BED : ZR (J) = IF (J) (see the Fortran file in attachemnt) in the result of Sisyphe 'MEAN DIAMETER M': a distribution for the bottom material was also shown on the embankments. I don't undestand that! As an attachment is here a skizz for cross profile of the channel, Fortran file and the Result. Many thanks in advance Rima
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