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4. Consider the boundary-value problem on the region given by {(r, 0, 6)|1 < r < 2}: vu= 0, 1 <r< 2, u(r =...
3. In class we discussed the heat conduction problem with the boundary conditions a(0, t) 0, t4(1,t)-0, t > 0 and the initial condition u(r,0) f(a) We found the solution to be of the form where (2n-1)n 1,2,3,. TL 20 Now consider the heat conduction problem with the boundary conditions u(0, t) 1,u(T, t)0, t>0 and the initial condition ur,0) 0. Find u(r,t). Hint: First you must find the steady state.
3. In class we discussed the heat conduction problem...
9. Find a bounded solution to the exterior boundary value problem Δυ = 0, r>R, u = 1 + 2 sin θ on r-R.
9. Find a bounded solution to the exterior boundary value problem Δυ = 0, r>R, u = 1 + 2 sin θ on r-R.
7. Consider the boundary value problem for the Laplace equation on the strip u (0, y) u (т, y) = 0, = a. Explain why it makes sense to look for a solution of the form b. Find all solutions of the form u(x, y) -ZYn (v)sinnx satisfying c. Among the solutions you found in part (b) find the unique solution u (x, y)-Yn (y) sin n. the Laplace equation and the boundary conditions. (i.e. find Yn. (3).) that satisfies...
7. Consider the boundary value problem for the Laplace equation on the strip u(0, y) u(n,y)=0, = a. Explain why it makes sense to look for a solution of the form b. Find all solutions of the form u(x,y) = Σ Yn (y) sin nx satisfying c. Among the solutions you found in part (b) find the unique solution u (x, y) = Σ Y, (y) sin na. the Laplace equation and the boundary conditions. (i.e. find Yn (y).) that...
30] Find th e solution of the following boundary value problem. 1<r<2, u(r, θ = 0) = 0, u(r, θ = π) =0, 1,0-0, u(r-2,0)-sin(20), 0 < θ < π. u(r Please also draw the sketch associated with this problem. You may assume that An -n2, Hn(s)sin(ns), n 1,2,3,. are the eigenpairs for the eigenvalue problem H(0) 0, H(T)0.
30] Find th e solution of the following boundary value problem. 1
Let u be the solution to the initial boundary value problem for the Heat Equation, tE (0, o0), те (0, 1); дла(t, г) — 3 Әғu(t, a), with boundary conditions u(t, 0) — 0, и(t, 1) — 0, and with initial condition 0, 1 3 EA 4 u(0, a) f(x) 4. 3 The solution u of the problem above, with the conventions given in class, has the form С сп tn (t) и,(2), u(t, x) - T 1 with the...
1. Consider Poisson's equation Au=Vu=-1, with A=Ví = & +i domain shown in Figure 1 in the Lx M rectangular Figure 1: Damain with the boundary conditions in Q1 with boundary canditians u(0, y) = u(L, y)= u(z,0) 0 and u(r, M) 1 (a) Asume M L and determine the values af uat points A, B, C and D (b) Generalize your answer in part (a) for M#L 2. Consider Laplace's equation Au = V2u = 0, with A =...
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3. Solve the initial-boundary value problem. ur(0,t) 0, u(4,t) 0, A, 0 2 u(z,0) =
4. Consider the boundary value problem defined by the partial differential equation д?и д?и = 0, ду? y > 0, да? with boundary conditions u(0, y) = u(T,y) = 0, u(x, 0) = 1 and limy-v00 |u(x, y)|< 0o. (a) Use separation of variables to find the eigenvalues and general series solution in terms of the normal modes. (b) Impose the inhomogeneous boundary condition u(x,0) = 1 to find the constants in the general series solution and hence the solution...
3. (a) Solve the boundary value problem on the wedge u(r, 0) = 0 0<r<p, a(r, g) = 0 0<r<p, u(p, 0)-/(0), 0 < θ < θο. (b) State the mathematical and physical boundary conditions for this problem. (c) Suppose ρ-1.00-π/3, and f(9)-66ere. Plot the solution surface and polar contour plot for N -10
3. (a) Solve the boundary value problem on the wedge u(r, 0) = 0 0