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Questions related from David Mark Koenig
Finite length flexible strings with rigid end conditions when struck at somewhere other than the middle, say at 1/8th of the string's length, produce a pulse that propagates toward the boundary...
22 October 2018 1,079 1 View
For example, the first order Laplacian measures the difference between the local and average values of a quantity in an infinitesimal neighborhood of the point in question. So, for a flexible...
30 April 2015 8,296 7 View
A point mass is placed on a surface at (x,y) which is undulating. That is, the surface’s transverse or vertical displacement w(x,y,t) is moving as a function of time. What is the vertical or...
03 April 2015 2,379 2 View
On pp. 206-212 in Nowacki's "Dynamics of Elastics Systems", a pde is solved for the transverse vibrations of a rectangular plate subject to clamped boundaries. Two equations are developed for the...
19 January 2015 6,298 4 View
For a rectangular plate with one half made of material A and the other half made of material B, what would the boundary conditions be at the interface?
26 December 2014 5,238 7 View