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Measurement of the Frequency Characteristics of the Scattering Amplitude Using the Dolphin's Sonar Signal
Frequency Characteristics Scattering Amplitude Dolphin's Sonar Signal
2009/8/19
Dolphins detect, pursuit, and prey fish as their food by using their excellent sonar ability. If some advantages of their sonar such as object identification ability are introduced to our fisheries ec...
Added Resistance in Waves and Amplitude Function Expressing a Ship Hull Form
Added Resistance Waves Amplitude Function Ship Hull Form
2009/4/29
Estimating added resistance in waves linked to ship speed drop and an increase of horse power is getting more importance with fuel price hiking these days. Calculated results of the added resistance b...
A simulation of fatigue crack propagation in structures under variable amplitude loading
marine structures S-N
2009/3/30
In a design stage of marine structures, the S-N approach is commonly used for fatigue strength evaluation, where fatigue failure is often considered as the penetration of the plate-thickness of struct...