Chladni's law, named after Ernst Chladni, relates the frequency of modes of vibration for flat circular surfaces with fixed center as a function of the numbers m of diametric (linear) nodes and n of radial (circular) nodes. Ernst Florens Friedrich Chladni (ˈɛʀnst ˈfloːʀɛns ˈfʀiːdʀɪç ˈkladnɪ November 30, 1756 – April 3, 1827) was a German Frequency is a measure of the number of occurrences of a repeating event per unit Time. A normal mode of an oscillating system is a pattern of motion in which all parts of the system move sinusoidally with the same frequency It is stated as the equation
where C and p are coefficients which depend on the properties of the plate. In Mathematics, a coefficient is a Constant multiplicative factor of a certain object
For flat circular plates, p is roughly 2, but Chladni's law can also be used to describe the vibrations of cymbals, handbells, and church bells in which case p can vary from 1. Cymbals are a modern percussion instrument Cymbals consist of thin normally round plates of various Cymbal alloys; see Cymbal making for a discussion of their A handbell is a bell designed to be rung by hand To ring a handbell a ringer grasps the bell by its slightly flexible handle &mdash traditionally made of leather but often A church bell is a bell which is rung in a (especially Christian) church either to signify the Hour or the time for worshippers to go to 4 to 2. 4. In fact, p can even vary for a single object, depending on which family of modes is being examined.
External links
- A Study of Vibrating Plates by Derek Kverno and Jim Nolen
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