Tools for modelling water currents and wave conditions

SMS-RMA2 (Environmental Modeling Systems, Inc.) is a two-dimensional, depth integrated hydrodynamic model for simulation currents, circulation and water level in fjords, sounds and other coastal areas. The model takes into account: topography, bottom friction, tides, freshwater runoff and earth rotation. Also wind effects can be simulated.

Application example: calculation of changes in water currents and circulation patterns due to topographical modifications (bridges, dams, fills). The illustration below shows results of a SMS-RMA2 simulation of water currents before and after the construction of a bridge. (Click here for a time-lapse film)

Steady-State Spectral Wave Modell (SMS-StWave). This model is a two-dimensional wave model that simulates propagation and growth of swell in coastal waters. The effects of wind and currents can be included. The model takes into account topography and constructions and calculates refraction and diffraction of wave fields, shoaling effects, wave breaking, wind generated waves and wave-wave interactions.

Application example: Calculation of site exposure (maximum wave height and currents) in connection with finding optimal locating and setting technical specifications for floating aquaculture constructions and moorings. The illustration shows the expected maximum wave heights in a coastal area in Norway.

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