A Problem Based Approach to Elastic Wave Propagation: The Role of Constraints

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Abstract

A problem-based approach to the teaching of mechanical wave propagation,focused on observation and measurement of wave properties in solids and onmodelling of these properties, is presented. In particular, some experimentalresults, originally aimed at measuring the propagation speed of sound wavesin metallic rods, are used in order to deepen the role of constraints inmechanical wave propagation. Interpretative models of the results obtainedin the laboratory are built and implemented by using a well-known simulationenvironment. The simulation results are, then, compared with experimentaldata. The approach has been developed and experimented in the context of aworkshop on mechanical wave propagation of the two-year Graduate Programfor Physics Teacher Education at University of Palermo.
Lingua originaleEnglish
pagine (da-a)1295-1310
Numero di pagine16
RivistaEuropean Journal of Physics
Volume30
Stato di pubblicazionePublished - 2009

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elastic waves
wave propagation
education
instructors
rods
physics
propagation
acoustics
simulation

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cita questo

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title = "A Problem Based Approach to Elastic Wave Propagation: The Role of Constraints",
abstract = "A problem-based approach to the teaching of mechanical wave propagation,focused on observation and measurement of wave properties in solids and onmodelling of these properties, is presented. In particular, some experimentalresults, originally aimed at measuring the propagation speed of sound wavesin metallic rods, are used in order to deepen the role of constraints inmechanical wave propagation. Interpretative models of the results obtainedin the laboratory are built and implemented by using a well-known simulationenvironment. The simulation results are, then, compared with experimentaldata. The approach has been developed and experimented in the context of aworkshop on mechanical wave propagation of the two-year Graduate Programfor Physics Teacher Education at University of Palermo.",
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journal = "European Journal of Physics",
issn = "0143-0807",
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AB - A problem-based approach to the teaching of mechanical wave propagation,focused on observation and measurement of wave properties in solids and onmodelling of these properties, is presented. In particular, some experimentalresults, originally aimed at measuring the propagation speed of sound wavesin metallic rods, are used in order to deepen the role of constraints inmechanical wave propagation. Interpretative models of the results obtainedin the laboratory are built and implemented by using a well-known simulationenvironment. The simulation results are, then, compared with experimentaldata. The approach has been developed and experimented in the context of aworkshop on mechanical wave propagation of the two-year Graduate Programfor Physics Teacher Education at University of Palermo.

KW - Mechanical Waves

KW - Physics Education

UR - http://hdl.handle.net/10447/38298

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EP - 1310

JO - European Journal of Physics

JF - European Journal of Physics

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