Supercharge your marine water modelling projects

Improve planning, design and operation with this feature-packed software suite that transforms model results into real-world solutions

Why MIKE 21/3?

Overcome any challenge in coastal and marine water

Hydrodynamics, waves, sediments, water quality and even ship motions – you can model it all. No other modelling suite comes close in terms of range and versatility.

Create exactly the model you need

Pick and choose from a selection of specialised modules to create a custom modelling solution. Tackle the most complex studies by coupling MIKE 21/3 with other MIKE Powered by DHI applications.

Produce high quality work in less time

Boost productivity with superior modelling tools and easy data access. Run faster simulations with advanced parallelisation techniques for multi-core and GPU modelling.

Achieve undisputed accuracy

When quality matters most, count on MIKE. Have full confidence in your modelling results – thanks to the world's leading, science-based software developed by professionals, for professionals.

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Watch MIKE 21/3 power highly accurate decision support systems for cleaner waterways
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See MIKE 21/3 simulate the concentration of treated effluent from WWTP outfall diffusers

First, get started with these integrated core modules

Advanced data processing, visualisation and modelling tools come standard with MIKE 21/3 so you can start building models right away.
Improve your data processes

Preprocessing & Postprocessing

Begin your data visualisation journey through an integrated environment that eases data input, analyses and presentation of results.

    • Boost productivity with sensitivity analysis and auto-calibration features
    • Benefit from an endless series of efficient analysis and visualisation tools
    • Easily access MIKE 21/3 data in MATLAB, Python and other programming languages
Model hydrodynamic processes in 2D and 3D

Hydrodynamics

Calculate 2D/3D current fields, water level, temperature and salinity with the Hydrodynamic module.

    • Simulate unsteady flow taking into account bathymetric, density variations, point sources and external forcing
    • Conduct flooding simulations, including tsunamis
    • Assess hydrographic conditions in stratified and non-stratified waters
    • Seamlessly represent storm surge caused by wind and pressure
    • Use with other MIKE 21/3 modules to study spreading, water quality or morphological processes
Perform robust water quality modelling

Transport

Quickly screen for potential water quality concerns by simulating the spreading and fate of dissolved or suspended substances.

    • Describe the continuity, momentum, temperature, salinity and density of substances subject to linear decay and heat dissipation
    • Analyse connected source-sink dynamics to understand variations in habitat quality as well as potential for recirculation
    • Easily screen for potential water quality concerns by identifying zones of accumulation and poor flushing
    • Integrate with MIKE ECO Lab to model complex ecological phenonmena such as eutrophication, detailed fate modelling of coliform bacteria as well as xenobiotic and heavy metal compounds

Next, choose from a range of specialised modules

The modular structure of MIKE software means you can buy just what you need and nothing more. Pick and choose from a selection of modules that address specific concerns. Alternatively, pre-bundled software subscriptions offer the greatest value.

Ecological & water quality modelling

2D/3D Agent-based modelling
Simulate the dynamic behaviour of aquatic life & their interactions with the environment
1D/2D/3D Ecological modelling
Investigate water quality concerns and their potential environmental impact
2D/3D particle transport modelling
Understand and quantify pathways and impacts in your environment
2D/3D oil spill modelling
Quantify and visualise the risks and potential impact of oil spills on the environment

Sediment transport & morphological modelling

Littoral processes & coastline kinetics
Simulate the evolution of coastlines affected by structures and sedimentation
2D/3D mud transport modelling
Study the impact of siltation on coastal morphology and water quality
2D morphological modelling
Model long-term shoreline evolution in areas with complex bathymetries
2D/3D sand transport modelling
Assess the potential impact of erosion and sedimentation on infrastructure

Wave modelling & dynamic mooring analysis

2D wave modelling
Analyse wave disturbances in ports, harbours and coastal areas
3D phase resolving wave modelling
Study the impact of a wave climate on offshore, coastal or port infrastructure
Dynamic mooring analysis
Assess the dynamic effects of wind, currents and waves on moored vessels
2D spectral wind-wave modelling
Predict and analyse wave climates in offshore and coastal areas

No in-house modellers?

Get our modellers on board for your consulting projects either as a partner, to provide extended user support or for model and project reviews. Let’s talk about your project.

Discover why thousands of professionals, scientists and researchers in more than 100 countries count on MIKE 21/3.

'To my knowledge, this is the best modeling suite and the strongest component of which is the speed of model setup and pre and post processing.'

- Oleg Mouraenko, Senior Modelling Scientist
Moffat & Nichol (USA)

'MIKE Zero and MIKE21 were instrumental in the design, development and testing of the artificial reef. The interface was a pleasure to deal with and pre and post processing excellent. I remain a die-hard fan of MIKE21 (and DHI), and look forward to the next project (which cannot come soon enough).'

- Dr. Alfredo Torruella, President
Fundacion legado Azul (Puerto Rico)

'Having used in-house numerical modelling codes before with limited user interface, I really appreciate the user-friendliness of the DHI software suite. It is clear these tools have been developed to help maximize the time spent on interpreting the modelled processes as opposed to how the run the software and correct bugs.'

- Vincent Leys, Coastal Engineer
CBCL Limited - Consulting Engineers (Canada)

'We have been working with the MIKE 21/3 model suite since early 2006. Over the years, many of our researchers and graduate students have taken advantage of these cutting edge models to resolve the complex hydrodynamic and sediment transport problems pertaining to their research projects.'

- Felix Jose Ph.D, Associate Professor
Florida Gulf Coast University (USA)

'I have used the MIKE21/3 system for my academic and contractual oceanography research for about 25 years. This loyalty to DHI is motivated by the ''personal and friendly relation'' I have enjoyed with DHI staff and the advanced scientific knowledge base contained in the various MIKE21/3 environmental coastal zone modules.'

- Prof. Vladimir Koutitonsky, Senior Scientist - Owner
Hydrosoft SA (Canada)

'The Greater Vancouver Regional District (GVRD) has been using MIKE3 FM software to develop an in-house Hydrodynamic & Transport model. We are impressed with the diversity and sophistication of this software.'

- Shaheli Masoom, Senior Project Engineer
The Greater Vancouver Regional District (Canada)
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Learn how easy it is to create and run MIKE 21/3 models

FREE SELF-PACED COURSE

Dive into Data Processing and Visualisation with MIKE Zero

      • Format time series
      • Select time series attributes e.g. time type, value type, item type and item unit
      • Apply your knowledge of spatial data, projection and coordinate systems
      • Import time series data into MIKE native formats


    Available anytime | Register

FREE SELF-PACED COURSE

Getting Started with 2D Hydrodynamic Modelling

    • Set up MIKE 21 Flow Model FM
    • Apply forcing e.g. wind or boundary conditions
    • Change physical parameters e.g. bed roughness and viscosity
    • Generate and evaluate model outputs



    Available anytime | Register

FREE SELF-PACED COURSE

Getting Started with 3D Hydrodynamic Modelling

    • Set up MIKE 3 Flow Model FM
    • Apply forcing e.g. wind or boundary conditions
    • Change physical parameters e.g. bed roughness and dispersion coefficients
    • Activate the temperature and salinity model including heat exchange
    • Generate and evaluate model results

    Available anytime | Register

Additional capabilities & unique features

MIKE 21/3 can be applied to diverse areas and is ideal for coastal engineering studies, such as harbours or similar structures, as well as environmental applications including dispersion, oil spill, eutrophication and modelling of living organisms.

          • Assess hydrographic conditions to support the design, construction and operation of structures and plants in stratified waters
          • Optimise port layouts and coastal protection measures
          • Analyse and optimise cooling water recirculation and desalination plants
          • Complete an Environmental Impact Assessment (EIA) of marine infrastructures
          • Perform ecological modelling including the optimisation of aquaculture systems
          • Optimise renewable energy systems
          • Support coastal and marine restoration projects
          • Forecast water conditions to improve the safety of marine operations and navigation
          • Produce coastal flooding and storm surge warnings
          • Optimise coastal, thermal or wastewater disposal outlets
          • Understand lake hydrodynamics and ecology
          • Model coastal, riverine or overland flooding
          • Perform coastal and oceanographic circulation studies including fine sediment dynamics

You can now access MIKE 21/3 on Azure Marketplace, where you can start modelling in the cloud with no hardware limitation in four simple steps. Learn more

Need to analyse problems where flow and transport phenomena are important and where the flexibility inherited in the unstructured meshes can be utilised? Look no further than MIKE 21/3 Coupled Model FM. With this truly dynamic modelling system, you’ll have the power to investigate the morphological evolution of nearshore bathymetry impacted by factors such as dredging works and engineering structures, including breakwaters, groins, shoreface nourishment and harbours. Explore all capabilities

Use MIKE 21/3 Coupled Model FM to:

        • Dynamically couple waves and currents
        • Get full feedback of bed level changes on waves and currents
        • Easily switch between 2D and 3D calculations (hydrodynamic module and process modules)
        • Achieve flexibility in describing bathymetry, ambient flow and wave conditions using depth-adaptive and boundary-fitted unstructured mesh

Set up simulations, perform pre- and post-processing analysis, and present and visualise results with MIKE Zero, our fully Windows integrated graphical user interface embedded in MIKE 21/3. With MIKE Zero, you can better control and organise information for nearly all kinds of engineering studies including model simulations. Streamline your work with access to a wide range of informative and helpful features. Learn more

MIKE 21/3 takes advantage of the efficient parallelisation techniques for the use of multiple cores and GPUs. Special techniques have also been developed to enhance calculation speed within the morphological modelling. Learn more

Regardless of how efficient your modelling is, clear communication of results is crucial to its value and recognition. With MIKE 21/3, you can:

        • Create time series, line series and 2D/3D data plots
        • Display flexible mesh model data
        • Visualise cross-sections, individual particles and tracks
        • Enhance your models with detailed digital bathymetries
        • Animate gridded and unstructured results in Google Earth
        • Create realistic 3D scenes, including buildings, ships or other solids, visualise waves in 3D, produce professional fly-through animations and more with MIKE Animator Plus – included in all subscription packages.

Take advantage of the built-in Mesh Generator Tool to generate and handle unstructured meshes more efficiently. Automatically create high quality boundary conditions in minutes using Boundary Conditions Generator – a free premium feature for customers with a Service and Maintenance Agreement (SMA).

MIKE 21/3 enables you to model the effect of structures using a subgrid technique and you can include six different types of structures in your simulations:

        • Weirs
        • Culverts
        • Dikes
        • Gates
        • Piers
        • Turbines

    You also have the option to include composite structures by combining a weir and one or more culverts.

Get the most value from your software and reduce project risk with a variety of training options and technical support.

The computational engines of MIKE 21/3 are also available on Linux operating systems taking advantage of access to 100’s of CPU’s. Learn more

 

Ready to get started?

Learn how your projects can benefit from the most advanced 2D and 3D software suite for modelling the coast and sea. Complete this form and we will be in touch soon.