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Browsing by Author "Adu-Sackey, Albert"

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    The Mathematics of the Vibrating Membrane as Applied to African Drums with Varying Tension Compared with Those of Constant Tension: The Case of the “Donno” and the “Atumpan”.
    (2010-07-12) Adu-Sackey, Albert
    In this thesis the physical modeling of two Ghanaian percussive drums the “donno” of the Akans or “Lunna” of the Dagbambas and the “Atumpan” of the Akans was approached using the two dimensional wave equations and by imposing boundary and initial conditions on the drumhead. A remark is made about the overtones of these local drums after using matrix laboratory (matlab) to generate their Normal modes using three different types of initial velocity functions.

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