waves

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waves

MIKE 21 PRODUCTHOME HYDRODYNAMICS ECOLOGY SEDIMENTS WAVES INTEGRATED APPLICATIONS TECH DESCRIPTIONMIKE 21 is a professional engineering software package forthe simulation of• hydrodynamics• waves• sediments and• ecologyin rivers, lakes, estuaries, bays, coastal areas and seas


MIKE 21 IN BRIEFHOME HYDRODYNAMICS ECOLOGY SEDIMENTS WAVES INTEGRATED APPLICATIONS TECH DESCRIPTION• A complete and effective designenvironment for engineering, coastalmanagement and planning applications• The combination of an advanced GUIand efficient computational engineshas made it an irreplaceable tool forprofessional coastal and harbourengineers around the world• MIKE 21 is also used for environmentalapplications together with ECO Lab, foroverland flooding applications in MIKEFlood and urban flooding with MIKEUrban• Thousands of engineers and scientistsrely on MIKE 21 as their key modellingtool


FLOOD MODELLING & MAPPINGHOME HYDRODYNAMICS ECOLOGY SEDIMENTS WAVES INTEGRATED APPLICATIONS TECH DESCRIPTION


ST FRANCIS DAM FAILURE, CA 1928HOME HYDRODYNAMICS ECOLOGY SEDIMENTS WAVES INTEGRATED APPLICATIONS TECH DESCRIPTION• 205 feet high, landslideor foundation failure?• Collapsed withoutwarning during firstfilling, 11:45 p.m.• 125-foot high floodwave


SIMULATION ENGINES ’3-in-One!’HOME HYDRODYNAMICS ECOLOGY SEDIMENTS WAVES INTEGRATED APPLICATIONS TECH DESCRIPTIONMIKE 21 Simulation Engines:• Single Grid - the classic rectilinearmodel is easy to set up, easy I/Oexchange, straight-forwardnavigation in model and presentation• Multiple Grids – dynamically nestedrectilinear model with the ability totailor grid resolution in areas ofinterest• Flexible Mesh - maximum flexibilityfor tailoring grid resolution within themodelThe Flexible Mesh (FM) version comeswith the 3-in-1 package, including theMultiple Grids and Single Grid engines


MODULES, APPLICATIONS & VERSIONSHOME HYDRODYNAMICS ECOLOGY SEDIMENTS WAVES INTEGRATED APPLICATIONS TECH DESCRIPTION


HYDRODYNAMICS WITH MIKE 21HOME HYDRODYNAMICS ECOLOGY SEDIMENTS WAVES INTEGRATED APPLICATIONS TECH DESCRIPTIONThe Hydrodynamic Module simulates the water level variationsand flows in response to a variety of forcing functions. Itincludes a wide range of hydraulic phenomena and can beused for any 2D free-surface flow in which stratification can beassumed vertically well-mixedThe HD Module provides the basis for computations performedin many other modules but can also be used alone. Forexample:• Tidal flows• Storm surges• Wave-driven flows• Oceanographic circulations


TIDAL BORE MODELLINGHOME HYDRODYNAMICS ECOLOGY SEDIMENTS WAVES INTEGRATED APPLICATIONS TECH DESCRIPTION• World record for highest tidal bore:8.93 m• Tidal bore watching is a tradition ofmore than 2000 years• Fall festival attracts more than250,000 visitors• Tidal bore is called Black Dragon


AN EARLY WARNING SYSTEMHOME HYDRODYNAMICS ECOLOGY SEDIMENTS WAVES INTEGRATED APPLICATIONS TECH DESCRIPTION


SUMATRA TSUNAMIHOME HYDRODYNAMICS ECOLOGY SEDIMENTS WAVES INTEGRATED APPLICATIONS TECH DESCRIPTION


FLOW MODEL FEATURESHOME HYDRODYNAMICS ECOLOGY SEDIMENTS WAVES INTEGRATED APPLICATIONS TECH DESCRIPTION• Flooding and drying• Evaporation and precipitation• Wind and atmospheric pressure• Heat exchange• Sources and sinks• Multiple turbulence closures• Bed resistance• Wave radiation stresses• Hydraulic structures


FLOW MODEL FEATURES - FM SERIESHOME HYDRODYNAMICS ECOLOGY SEDIMENTS WAVES INTEGRATED APPLICATIONS TECH DESCRIPTION• Flooding and drying• Evaporation and precipitation• Wind and atmospheric pressure• Heat exchange• Sources and sinks• Multiple turbulence closures• Bed resistance• Wave radiation stresses• Hydraulic structures• Ice coverage• Tidal potential


MODEL INPUT AND OUTPUTHOME HYDRODYNAMICS ECOLOGY SEDIMENTS WAVES INTEGRATED APPLICATIONS TECH DESCRIPTIONInput:• Bathymetry• Boundary Conditions• Wind• Atmospheric Pressure• Bed Resistance• Eddy Viscosity• Radiation Stresses• Source data• Hydraulic structure dataOutput:• Time-varying maps ofwater depths andhorizontal fluxes


ENVIRONMENTAL OPTIONS IN MIKE 21HOME HYDRODYNAMICS ECOLOGY SEDIMENTS WAVES INTEGRATED APPLICATIONS TECH DESCRIPTION• Conservative or first-order decayingdissolved or suspended substances using astandard Eulerian approach• A detailed Lagrangian approach to determinethe spreading and weathering of suspendedsubstances• Flexible ecosystems with a network ofinteracting subsystems


NAPA SONOMA SALT PONDSHOME HYDRODYNAMICS ECOLOGY SEDIMENTS WAVES INTEGRATED APPLICATIONS TECH DESCRIPTION• Wetlands restoration• Modelling and mapping


WAVE MODELS IN MIKE 21HOME HYDRODYNAMICS ECOLOGY SEDIMENTS WAVES INTEGRATED APPLICATIONS TECH DESCRIPTION• Offshore– Hindcast or Forecast– Design Waves• Harbours– Seiching, Resonance– Non-Linear Transformations– Wave agitation• Coastal Regions– Surf Zone– Sheltered/Unsheltered


WAVE MODELLINGHOME HYDRODYNAMICS ECOLOGY SEDIMENTS WAVES INTEGRATED APPLICATIONS TECH DESCRIPTIONWaves from a high-speed ferry


CHOICE OF WAVE MODELHOME HYDRODYNAMICS ECOLOGY SEDIMENTS WAVES INTEGRATED APPLICATIONS TECH DESCRIPTIONOFFSHORE OPEN COAST HARBOURSSWFully discrete spectralwind-wave generationPMSIrregularDirectionalDiffractionNo currentNo windEMSLinearMonochromaticUnidirectional NobreakingSW (or NSW)Parametric freq.DirectionalNo diffractionCurrent interactionWindBWNon-linearIrregularDirectionalBreaking


RIP TESTHOME HYDRODYNAMICS ECOLOGY SEDIMENTS WAVES INTEGRATED APPLICATIONS TECH DESCRIPTIONLaboratory experimentby Hamm (1992)JONSWAP spectrum: Hm0= 0.07 m, Tp = 1.25 s,cos6 distribution(m)


RIP TESTHOME HYDRODYNAMICS ECOLOGY SEDIMENTS WAVES INTEGRATED APPLICATIONS TECH DESCRIPTIONSignificant wave height (centreline)Current speed (centreline)Include current effectExclude current effect


MARINE SEDIMENTSHOME HYDRODYNAMICS ECOLOGY SEDIMENTS WAVES INTEGRATED APPLICATIONS TECH DESCRIPTION


DREDGING MODULEHOME HYDRODYNAMICS ECOLOGY SEDIMENTS WAVES INTEGRATED APPLICATIONS TECH DESCRIPTION


SEDIMENT MODULESHOME HYDRODYNAMICS ECOLOGY SEDIMENTS WAVES INTEGRATED APPLICATIONS TECH DESCRIPTION2D modelling systems• MIKE 21 STSand transport model• MIKE 21 CAMSCoastal area morphological shell• MIKE 21/3 MTMud transport model• MIKE 21/3 FMIntegrated morphological model

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