Browsing by Author "Kristiansen, Ulf R."

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Low frequency models for littoral sound propagation - a comparison between a finite element model and a wave number integration model

Ommundsen, Atle; Kristiansen, Ulf R. (2005)

Two different strategies for modeling sound propagation, exploring the Helmholz equation, in underwater acoustics are presented and compared, a nite element and a wave number integration model. The numerical models ...
Sound propagation in regions of variable oceanography - a summary of student work at NTNU

Kristiansen, Ulf R. (2010)

Two ray tracing programs, Lybin and Ray5, have been used in student projects at NTNU to study wave propagation in range dependent environments. For a given set of sound speed profiles obtained during a FFI measuring ...