For the PDE in 29, assume that the following boundary
Chapter 10, Problem 32E(choose chapter or problem)
For the PDE in Problem 29 , assume that the following boundary conditions are imposed:
\(u(0, y, t)=u(a, y, t)=0 ; \quad 0 \leq y \leq b, \quad t \geq 0\)
\(\frac{\partial u}{\partial y}(x, 0, t)=\frac{\partial u}{\partial y}(x, b, t)=0 ; \quad 0 \leq x \leq a, t \geq 0\)
Show that a nontrivial solution of the form \(u(x, y, t)=X(x) Y(y) T(t)\) must satisfy the boundary conditions
\(X(0)=X(a)=0\),
\(Y^{\prime}(0)=Y^{\prime}(b)=0\).
Equation Transcription:
Text Transcription:
u(0, y, t)=u(a, y, t)=0 ; \quad 0 \leq y \leq b, \quad t \geq 0
\partial u\partial y(x, 0, t)=\partial u\partial y(x, b, t)=0 ; \quad 0 \leq x \leq a, t \geq 0
u(x,y,t)=X(x)Y(y)T(t)
X(0)=X(a)=0
Y'(0)=Y'(b)=0
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