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Acoustics

1 minute read

Berdasarkan cara penjalaran energinya, gelombang akustik merupakan tipe gelombang yang energinya menjalar melalui suatu medium dengan cara kompresi dan dekom...

Surface Wave Dispersion

less than 1 minute read

One of the important characteristics of surface wave arises from the way in which they disperse. The figure below shows two different waves with the same tot...

Preliminary Reference Earth Model

1 minute read

The 1980 paper written by Adam M. Dziewonski and Don L. Anderson is one of the most cited scientific work ever. The study presented a new Earth model, PREM, ...