5. Consider the ordinary differential equation Prx + Aø = 0 (a) Determine the eigenvalues An and corresponding eigenfunctions on(x). If o satisfies the following boundary conditions $(0) = 0, $'(L) = 0

Advanced Engineering Mathematics
10th Edition
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Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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5. Consider the ordinary differential equation
Pax + Ao = 0
(a) Determine the eigenvalues An and corresponding eigenfunctions on(x). If o satisfies the following
boundary conditions
$(0) = 0,
$'(L) = 0
(b) Sketch the first three eigenfunctions on (x) for x in [0, L].
(c) Use the above results to construct solutions of the form un(x, t) = ¢n(x)Gn(t) to the following
heat problem with boundary conditions:
ди
= k
Ət
u(0, t) = 0,
U#(L, t) = 0
(d) Describe a physical situation that would produce the above boundary conditions on a rod
situated on the interval [0, L]. (Only a brief answer is required).
(e) Find the equilibrium solution ueg(x) to the above boundary value problem.
Transcribed Image Text:5. Consider the ordinary differential equation Pax + Ao = 0 (a) Determine the eigenvalues An and corresponding eigenfunctions on(x). If o satisfies the following boundary conditions $(0) = 0, $'(L) = 0 (b) Sketch the first three eigenfunctions on (x) for x in [0, L]. (c) Use the above results to construct solutions of the form un(x, t) = ¢n(x)Gn(t) to the following heat problem with boundary conditions: ди = k Ət u(0, t) = 0, U#(L, t) = 0 (d) Describe a physical situation that would produce the above boundary conditions on a rod situated on the interval [0, L]. (Only a brief answer is required). (e) Find the equilibrium solution ueg(x) to the above boundary value problem.
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