Hotfixes 2021

The following hotfix corrects the runtime error when running WQ MHB models which have several branches connected by branch connections. It also includes a list of error message in the simulation log file, listing the water level methods that are missing for the WQ locations where a residence time needs to be computed.

• Incorrect sediment mass within Sigma-Z level grid
• Possible issue when using MPI
• Possible omission of disposal if no disposal output is defined

• possible memory issue when using the Shoreline Module in a domain that is resolved by many elements
• error in the Spectral Wave module related to reflection from structures in combination with the use of “Directional sector” for the directional discretization
• error in the Spectral Wave module in case of wave blocking using current in combination with quasi-stationary formulation for the fully spectral formulation

This hotfix corrects an error that occurred when running batch execution of MIKE Zero toolbox setups as part of an Autocal simulation sequence.

This hotfix solves an error in MIKE+ preventing from displaying a Google Map or Open Street Map background layer for some map projections, when the projection’s false origin is defined exactly at the border of the valid region.

This hotfix solves an issue in MIKE 21 MA related to the output of chain forces.

This hotfix accelerates loading times for models with a large number of independently specified unsaturated zone parameters.

This Mike Hydro Basin hotfix corrects execution of the Mike Basin engine interface when reading a hotstart information for the storage value of a routing reach. The Mike Basin Engine interface is used in a programming environment, where the Mike Basin engine API is called in a console application or similar. This hotfix does not change the behavior of a Mike Hydro Basin model when running it from the GUI, as the GUI does not read hotstart files.

This hotfix resolves an issue with the coupling of MIKE+ and external MIKE Hydro River, which was causing the coupled model not to run without error warnings. It also improves handling of models with large numbers of catchments during update.

This hotfix resolves the compatibility issues with EPANET 2.0 hydraulic engine, which were causing wrong simulation results in setups with variable speed pumps.

This hotfix solves a problem where License System stops responding on a windows machine using DHI Internet License.

This hotfix corrects four issues in MIKE+: the inner diameter of pipes for Water Distribution was not visible, the ‘Zone mapping’ tool did not isolate zones in presence of pumps or open valves, connected nodes were sometimes lost for some SWMM conduits after importing scenarios from MIKE URBAN classic, and MIKE+ randomly crashed when configuring 2D overland simulations to run on GPUs.