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SOBEK 3 is refaced against SOBEK 2 in terms of modeling concept and features. This means that some features in SOBEK 2 are no longer supported and some objects are modelled in a different way.
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| SOBEK 2 | SOBEK 3 |
|---|---|
| Hydraulic structures in channel flow module and rainfall runoff module | Hydraulic structures in D-Flow 1d 1D module only |
| Control of structures in channel flow module and RTC module | All control of structures in D-Real-Time Control module (D-RTC_) |
| Rainfall-runoff module contains open water node | D-Rainfall Runoff (D-RR) has no open water node, it contains only rainfall-runoff processes. |
| Rational method in channel flow module (lateral station node) and rainfall-runoff module | No rational method in D-Flow 1d1D. The rational method is only available in D-Rainfall Runoff |
| Storage and lateral node available in channel flow module | D-Flow 1D does not contain a storage and lateral node (planned feature) |
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