If the boundary-conditions for the annular plate in Figure 14.1.7 are u(a, u) u0, u(b
Chapter 14, Problem 12(choose chapter or problem)
If the boundary-conditions for the annular plate in Figure 14.1.7 are
\(u(a, \theta)=u_{0}\), \(u(b, \theta)=u_{1}\), \(0<\theta<2 \pi\)
where \(u_{0}\) and \(u_{1}\) are constants, show that the steady-state temperature is given by
\(u(r, \theta)=\frac{u_{0} \ln (r / b)-u_{1} \ln (r / a)}{\ln (a / b)}\)
[Hint: Try a solution of the form \(u(r, \theta)=v(r, \theta)+\psi(r)\).]
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