E287  De motu vibratorio cordarum inaequaliter crassarum
(On the vibrating motion of unevenly thick strings)
Summary:
(based on C. Truesdell's An idiot's fugitive essays on science: methods, criticisms, training,
circumstances)
Euler presents his explicit solution of the initial value problem for a string made up of
two uniform parts of different densities. Since the differential condition of continuous
slope at the junction is not always satisfied, he replaces it by an integral condition
that has the differential condition as a special case.
According to C. G. J. Jacobi, a treatise with this title was read to the Berlin Academy
on February 21, 1760.
According to the records, it was presented to the St. Petersburg Academy
on December 1, 1760.
Publication:

Originally published in Novi Commentarii academiae scientiarum Petropolitanae 9, 1764, pp. 246304

Opera Omnia: Series 2, Volume 10, pp. 293  343
 A handwritten French translation of this treatise can be found in the library of the observatory in
Uccle, near Brussels.
Documents Available:
 Original publication: E287
 The Euler Archive attempts to monitor current scholarship for articles and books that may be of interest to Euler Scholars. Selected references we have found that discuss or cite E287 include:
 Campos LMBC., “On waves and gases .1. acoustics of jets, turbulence, and ducts.” Reviews of Modern Physics, 58 (1), pp. 117182 (Jan 1986).
 Kline M., “Euler and infinite series.” Mathematics Magazine, 56 (5), pp. 307314 (1983).
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