Consider the heat equation ди Ət = J²u მ2 subject to the boundary conditions +u, 00, u(0,t) = u(L,t) = 0. Suppose 2πx 5πx u(x, 0) = 3 sin - - 8 sin L L where is a positive constant. a) Use separation of variables to solve the problem. b) Evaluate lim u(x,t). 0047 Does the value of the constant play a role in this limit? Explain.

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter6: Applications Of The Derivative
Section6.CR: Chapter 6 Review
Problem 38CR
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Consider the heat equation
ди
Ət
=
J²u
მ2
subject to the boundary conditions
+u, 0<x<L, t>0,
u(0,t) = u(L,t) = 0.
Suppose
2πx
5πx
u(x, 0) = 3 sin
-
- 8 sin
L
L
where is a positive constant.
a) Use separation of variables to solve the problem.
b) Evaluate
lim u(x,t).
0047
Does the value of the constant play a role in this limit? Explain.
Transcribed Image Text:Consider the heat equation ди Ət = J²u მ2 subject to the boundary conditions +u, 0<x<L, t>0, u(0,t) = u(L,t) = 0. Suppose 2πx 5πx u(x, 0) = 3 sin - - 8 sin L L where is a positive constant. a) Use separation of variables to solve the problem. b) Evaluate lim u(x,t). 0047 Does the value of the constant play a role in this limit? Explain.
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