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example include both cohesive and non-cohesive sediment
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TOPIC: example include both cohesive and non-cohesive sediment

example include both cohesive and non-cohesive sediment 9 years 7 months ago #16613

  • zqzuoan
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Hi, everyone
I wonder if there are some examples simulate both cohesive and non-cohesive sediment?
I have some questions about simulating both cohesive and non-cohesive sediment.

1.What is the difference between MEAN DIAMETER OF THE SEDIMENT and SEDIMENT DIAMETERS? The sisyphe.dico shows they have same meaning: Sets value of diameter dm for particular size class

2.If I have both cohesive sediment and non-cohesive sediment, the keyword COHESIVE SEDIMENTS =YES or NO?

3. SUSPENSION = NON, default value. If this keyword should be activated when I compute the suspension of cohesive sediment?
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example include both cohesive and non-cohesive sediment 9 years 7 months ago #16624

  • Pablo
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Dear zqzuoan,
thanks for your post. Please find below the answers to your questions:

1.What is the difference between MEAN DIAMETER OF THE SEDIMENT and SEDIMENT DIAMETERS? The sisyphe.dico shows they have same meaning: Sets value of diameter dm for particular size class

Use SEDIMENT DIAMETERS. The keyword MEAN DIAMETER OF THE SEDIMENT is obsolete and will be deleted/

2.If I have both cohesive sediment and non-cohesive sediment, the keyword COHESIVE SEDIMENTS =YES or NO?

It seems you are dealing with mixed sediment. You must therefore activate the keyword MIXED SEDIMENT = YES. The keyword COHESIVE SEDIMENTS must be set to NO

3. SUSPENSION = NON, default value. If this keyword should be activated when I compute the suspension of cohesive sediment?

Add SUSPENSION = YES.

At this moment we are working on the improvement of the treatment of mixed sediments. As soon as we have some test cases and new files we will let you know.

I hope it helps

Pablo
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example include both cohesive and non-cohesive sediment 9 years 7 months ago #16634

  • zqzuoan
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Dear Pablo,
Thank you very much. I think information about sisyphe is imperfect. Hope for more detailed mannuals.

Best Regards

zqzuoan
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example include both cohesive and non-cohesive sediment 9 years 7 months ago #16671

  • zqzuoan
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Dear Pablo,
May I ask you a question? I want to compute the bedload of non-cohesive sediment(without suspended load) and the suspension of cohesive sediment. The keyword SUSPENSION should be acatived or not?
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example include both cohesive and non-cohesive sediment 9 years 7 months ago #16672

  • Pablo
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Dear zqzuoan,
yes, for this case you need to activate both bedload and suspended load keywords to YES.

Kind regards,

Pablo
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