A string of Lcoincides with the interval 0, L

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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A string of L coincides with the interval 0, L on the x-axis. Set up the boundary value problem for the displacement u(r, t)
if the ends are secured to the x-axis. Initially the string is undisplaced but has the initial velocity sin .
0<x<L
t> 0
%3D
a.
Uz (0, t) = 0
u(L, t) = 0
u(x, 0) = sin u(x,0) = 0, 0 < z< L.
t20
%3D
%3D
b.
0 <x <L
t>0
u(0, t) = 0
u(x,0) = 0
u(L, t) = 0
t> 0
Ut (x, 0) = sin , 0<I<L.
C.
Utt = Uzz,
0<x<L
t>0
u(0, t) = 0
u(1,0) = sin 4 (2,0) = sin 7,
Uz(L, t) = 0
t> 0
%3D
0<¢< L.
d.
Utt = Uzr,
0<I<L
t>0
uz(0, t) = 0,
u(z,0) = f(x), (1,0) = g(x), 0<I< L.
uz(L, t) = 0
%3D
%3D
Transcribed Image Text:A string of L coincides with the interval 0, L on the x-axis. Set up the boundary value problem for the displacement u(r, t) if the ends are secured to the x-axis. Initially the string is undisplaced but has the initial velocity sin . 0<x<L t> 0 %3D a. Uz (0, t) = 0 u(L, t) = 0 u(x, 0) = sin u(x,0) = 0, 0 < z< L. t20 %3D %3D b. 0 <x <L t>0 u(0, t) = 0 u(x,0) = 0 u(L, t) = 0 t> 0 Ut (x, 0) = sin , 0<I<L. C. Utt = Uzz, 0<x<L t>0 u(0, t) = 0 u(1,0) = sin 4 (2,0) = sin 7, Uz(L, t) = 0 t> 0 %3D 0<¢< L. d. Utt = Uzr, 0<I<L t>0 uz(0, t) = 0, u(z,0) = f(x), (1,0) = g(x), 0<I< L. uz(L, t) = 0 %3D %3D
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