4. Consider the following 1D heat equation: U = a 00 t where a is a real positive constant, subject to the initial condition: 1 0 0 is a good one. (b) The resulting ODE system for X(x) is given by: d²X +X²X = 0, dr? X'(0) = 0, X'(L) = 0 solve this and obtain: X (r) = B cos n = 0,1,2,3, . %3D with B some constant. (c) The T solution is given by T(t) = Ae-ana*t/L*, for some constant A. Show that the initial condition (5) reduces down to: %3D L/2 COS Cos COS dr n=0 where D, is a constant which depends on n.
4. Consider the following 1D heat equation: U = a 00 t where a is a real positive constant, subject to the initial condition: 1 0 0 is a good one. (b) The resulting ODE system for X(x) is given by: d²X +X²X = 0, dr? X'(0) = 0, X'(L) = 0 solve this and obtain: X (r) = B cos n = 0,1,2,3, . %3D with B some constant. (c) The T solution is given by T(t) = Ae-ana*t/L*, for some constant A. Show that the initial condition (5) reduces down to: %3D L/2 COS Cos COS dr n=0 where D, is a constant which depends on n.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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