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Driven Mass and Spring Mesh Model 1.0

Company: Wolfgang Christian
Date Added: August 07, 2013  |  Visits: 315

Driven Mass and Spring Mesh Model

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The Driven Mass and Spring Mesh model displays the dynamics of a 2D array of masses coupled by springs and driven by a sinusoidal force. The model shows a time-dependent animation of the displacement or each mass.<br /><br />The driving force can be applied at a single point (shown in red) or uniformly at all mesh points and the drive frequency f and amplitude A can be set as well as a damping coefficient b. As the frequency is varied the mesh vibrates strongly (resonates) at some frequencies and very little at others. These resonances have patterns that were first studied by Ernst Chladni and this simulation is designed to investigate these patterns using an idealized mass and spring model.<br /><br />In order to find the resonances, it is useful to plot the mechanical energy as a function of frequency f after the system reaches its oscillatory steady state. A resonance scan option shows this plot.<br /><br />The Driven Mass and Spring Mesh model was created using the Easy Java Simulations (EJS) modeling tool. It is distributed as a ready-to-run (compiled) Java archive. Double clicking the ejs_mech_DrivenMassAndSpringMesh.jar file will run the program if Java is installed.

Requirements: No special requirements
Platforms: Mac, Mac OSX
Keyword: Designed Driven Energy Force Frequency Function Investigate Mechanical Model Order Oscillatory Patterns Reaches Resonances Shows Spring System
Users rating: 0/10

License: Freeware Size: 1.06 MB
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