MIKE 2021 Update 1

Featured updates

MIKE 2021 Update 1 is packed with new features, tools and updates to expand your modelling capabilities, speed up workflows and produce more accurate results.

Explore the major enhancements to MIKE 21/3, FEFLOW, MIKE+ and WEST.

Major updates in

MIKE 21/3

Model bed load and mixed sand and mud transport with the new ‘Near-bed transport model’
Want to better support dredging initiatives by modelling bed load transport? Introducing an entirely new scientific concept in the world of dredging – the ‘Near-bed transport’ model.
To represent mixed sediment transport more accurately, calculate the transport of sand for combined waves and currents near the bed and consider simultaneously suspended load for pure currents in the remainder of the water column. Plus, you can account for sand spilling into the water column from dredging operations.
Speed up your MIKE 21 MA workflows by specifying wind & current conditions using a new option
As a MIKE 21 Mooring Analysis (MA) user, you may have found that dynamic wind and current information is often sparse.
To work more efficiently with mooring analysis software, a new option is now available for specifying current and wind conditions. Constant values can now be used in cases where no dynamic data is available. In fact, you can specify constant current and wind conditions directly in the GUI and engine – thus eliminating the need to prepare timeseries for wind and currents.
Better assess the impact of a tailing dam break with new options for simulating non-Newtonian fluids
In response to recent tailing dam break incidents, mining companies are actively seeking ways to better assess their risk. However, modelling tailing dam breach in MIKE 21 has been a challenge because the current technology does not represent fluids not following Newton’s law of viscosity.
Therefore, to simulate non-Newtonian fluids, a new option is now available in MIKE 21 FM for specifying fluid properties including density, Bingham fluid viscosity and yield stress. This solution enables you to better assess the impact of a tailing dam break, fulfil legal requirements and address potential scrutiny. Plus, by including the Mud Transport module in your simulations, fluid properties can vary in time and space to represent mixing of non-Newtonian fluids with water.
Interested in this new feature? Try our new Hydrodynamics subscription package. Choose Mud Transport (MT) as your bonus module and take 40% off an annual subscription.

Water Hammer

Prevent surges and secure distribution network operations with the new Water Hammer module.


Simulate route runoff and external inflows through pipes, channels, storage units and diversion structures with the flexible SWMM module.

Plug and play

With different transversal modules to customise water management solutions across water systems.

Major updates in


Model hydromechanical processes using the improved hydro-mechanical coupling plug-in
As a FEFLOW user, you may wish to model hydro-mechanical processes for land subsidence, surface loads changes, underground tunnelling or mine dewatering applications – but it hasn’t seemed feasible.
In response to your feedback, our development team made significant improvements to the hydro-mechanical coupling plug-in as part of FEFLOW 7.4. Users can now better assess changes in effective stress via the application of modified Hooke’s Law and the resulting variations in porosity, hydraulic conductivity and storage coefficient. In addition, you can visualise settlement induced by local deformation when working with layered 3D meshes.

Major updates in


Model stormwater and wastewater systems with full access to the SWMM module
MIKE+ and WaterNet Advisor users now have full access to the SWMM engine! Use MIKE+ SWMM to plan, design, and analyse sanitary, stormwater and combined systems. Or evaluate LID designs, mitigation options and pipe capacity to ensure a high standard of service and cost-effectiveness.
SWMM models can also be accessed remotely through the web-based WaterNet Advisor interface. Run simulations, configure scenarios and view or share results right from a desktop, phone or tablet!
Get more out of your MIKE+ data and symbology via the improved integration with ArcGIS Pro

Want to share the results of your MIKE+ models with other departments – including non-water experts?

If so, you’ll be pleased to hear we’ve improved the integration of MIKE+ with ArcGIS Pro! Rivers, 2D overland and SWMM data are all now supported – together with their results in 1D and 2D.

With ArcGIS Pro, you can get more out of your MIKE+ data and symbology. Further explore, visualise and analyse data or share your work with others using ArcGIS Online or ArcGIS Enterprise portal.
Document emergency storage requirements using the new Pump Emergency Storage Tool

When designing a new sewer system or modifying an existing one, obtaining an operating license is an exciting milestone. But compiling required operational and emergency procedure documentation is a chore.

With the new Pump Emergency Storage tool, you can automatically calculate available emergency storage and time in the event of a pump failure – before alarm level is reached or sewer overflow happens. If a pump failure were to occur, you can stop or delay upstream flows of a failed pump. In addition, the embedded network tracing tool eliminates the burden of locating the lowest overflow level for each pumping station.
Investigate coastal flooding issues by connecting to your MIKE 21/3 FM model
When studying storm surges on coastal communities, it is important to properly represent the generation of extreme water levels in enclosed areas. Properly accounting for the offshore generation of high water levels and extreme coastal flows requires modellers to investigate the marine domain in 3D. For an holistic risk assessment, rivers and estuaries also need to be considered to account for back water effect and related induced riverine floodings.

As part of the latest Release, users can now dynamically couple a 2D or 3D marine model with a river (and collection system network) in MIKE+. Use this information to better understand coastal flooding issues such as the impact of storm surge and tidal rivers on your city’s flood risk as well as stratification patterns like the mixing of freshwater into a saline environment.

Major updates in


Improve the sustainability of WWTPs using a new model to calculate carbon footprint
WWTPs are known to release large amounts of greenhouse gases. In an effort to help reduce their carbon footprint, WEST users need to more easily identify critical process units based on their contribution to greenhouse gas emissions.
Therefore, we’ve developed a new model that accurately tracks both direct (from process units) and indirect (energy, chemicals, etc) greenhouse gas emissions. This helps users compare operational strategies based on their respective carbon footprint and identify the most suitable ones to help achieve more sustainable WWTP operations.

Like what you see?

Download MIKE 2021 Update 1 and enjoy all the above functionality enhancements and more – free of charge with a valid Service Maintenance Agreement (SMA).