15.9 Standing Waves on a String Sound of Shapes |
| Instructions: Click on the "Start Simulation" button to open the applet window. Select the object you want to simulate and the type of force you want to use. Enter the parameter values in the provided boxes. Note that the text field provides information about each of the parameters. The information is displayed whenever you click your mouse on the corresponding box. After all parameters are selected, click 'Build.' Wait until the text box displays 'ready.' You can then produce sound by positioning your mouse over the object and pressing the left button. Navigation: You can come back to this window by pressing the "Close Simulation" button on the bottom frame of the utility. |
| Explanation: This applet allows you to design your own object and render the sounds it makes under various interactions like hitting, plucking, and scraping. As shown in sections 15.9 and 15.10 the sound made by an object depends on the physical properties of the object. The simulation demonstrates that the kind of excitation (hitting, plucking, etc.) also plays a role in determining the resonance mode of the object. The applet allows you also to investigate properties of some additional shapes. |
| Source: Kees van den Doel Go to the web site and link to the Online Library for further information. |