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| Autor/inn/en | Whitfield, S. B.; Flesch, K. B. |
|---|---|
| Titel | An experimental analysis of a vibrating guitar string using high-speed photography. |
| Quelle | In: American journal of physics, 82 (2014) 2, S. 102-109
PDF als Volltext |
| Sprache | englisch |
| Dokumenttyp | online; gedruckt; Zeitschriftenaufsatz |
| ISSN | 0002-9505; 1943-2909 |
| DOI | 10.1119/1.4832195 |
| Schlagwörter | Physik; Physikunterricht; Schwingung; Gitarre; Gitarre; Nichtlineare Physik; Physik; Physikunterricht; Schwingung |
| Abstract | We use high-speed photography (1200 frames/s) to investigate the vibrational motion of a plucked guitar string over several cycles. We investigate the vibrational pattern for plucking the string at two different locations along the string's length, and with different initial amplitudes. The vibrational patterns are then compared to a standing wave model of the string vibrations. We find excellent agreement between the observed vibrational patterns and the model for small-initial amplitude displacement of the string. For larger amplitude displacements, the qualitative behaviour of the string's vibrational pattern differs significantly from the small-amplitude displacement. This behavior may be due to the presence of inharmonicity, as suggested by its incorporation into the model calculations. (American Association of Physics Teachers). |
| Erfasst von | Arbeitsgruppe Didaktik der Physik, Universität Osnabrück |
| Update | 2014/2 |
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