Question 3. Separation of variables. Consider Laplace's Equation in two dimensions: 77 0-קר. (a) Write Ф(z,y)-F(x)G...
Question 3. Separation of variables Consider Laplace's Equation in two dimensions (a) Write Ф(r,y)-F(x)G(y) and use separation of variables to get ordinary differential equa- tions for F and G (b) Consider the rectangular region {(x, y) E R2: 0Ka, 0 y b with three boundary conditions on Ф об obtain conditions on F and G on those boundaries where conditions on Ф are given (c) (i) Solve the differential equations found in (a), subject to the conditions found in (b)...
Question 3. Separation of variables. Consider Laplace's Equation in two dimensions: (a) Write Φ(x,y) F(x)G(y) and use separation of variables to get ordinary differential equa- tions for F and G (b) Consider the rectangular region {(x,y) є R2 : 0 a, 0-y-b} with three boundary x conditions on Ф: obtain conditions on F and G on those boundaries where conditions on Ф are given. (c) (i) Solve the differential equations found in (a), subject to the conditions found in (b)...
please help me solve all the question. please. thank you. Question 3. Separation of variables. Consider Laplace's Equation in two dimensions:-+-- (a) Write φ(z y) F(x)G(y) and use separation of variables to get ordinary differential equa- tions for F and CG (b) Consider the rectangular region ((r,y) E R:0 conditions on Φ < a, 0 y b with three boundary 0(x, 0) = 0, D(x, b) = 0, (0,y) = 0 Obtain conditions on F and G on those boundaries...
10. [18 Marks] Using separation of variables, solve Laplace's equation for {(x,y): 0 < x < 2,0 < y < 2), subject to the boundary conditions 0 (0, y) = d(x, 2) 6 + cos(nz) = In your solution, you must consider all three cases for the separation constant λ. 10. [18 Marks] Using separation of variables, solve Laplace's equation for {(x,y): 0
The two-dimensional heat equation reduces to Laplace's equation to = 0 if the temperature u is steady-state. u(x, y) is defined in 0<x<2 and 0 Sys2 and satisfy u(x,0) = u(x, 2) = u(0, y) = 0 and u(2, y) = 80 sin my. Answer the following questions. (1) Obtain two ODES (Ordinary Differential Equations) by the method of separation of variables. (2) Find u(x, y) satisfying the boundary condition. (3) Obtain the value of u(1,5).
3. Consider the Laplace's equation on a rectangular domain subject to the following boundary conditions that represents the steady-state heating of a plate. A temperature probe shows that (1/2, 1/4) = 0. Solve this problem using the method of separation of variables. (7) byllyy = 0 0 <I<41 and O y <21 U-(0,y)=0, 1-(41, y) = cos(2), 4(1,0) = cos(2), 4(1,2)=0. (total 25 marks
Consider the 1D wave equation Ye = a?yrz (1) with boundary conditions y(x 0,t) 0; y(x = L, t) = 0; y(r, t = 0) - f(x); y(r,t 0) 0. (2) Use separation of variables to convert the PDE into 2 ODEs. Clearly state the boundary conditions for the 2 ODEs Consider the 1D wave equation Ye = a?yrz (1) with boundary conditions y(x 0,t) 0; y(x = L, t) = 0; y(r, t = 0) - f(x); y(r,t 0)...
3. This question is about non-homogeneous boundary conditions (a) Consider Laplace's equation on a rectangle, with fully inhomogeneous boundary conditions =0 0 a, 0< y <b u(x, 0) fi() u(, b) f2(a) u(0, y)g (x) ua, y) = 92(r) 0 ra Homogenise the boundary conditions to convert the problem to one of the form 2 F(x, y) 0 xa,0 y < b + (x, 0)= fi() b(x, b) f2(x) b(0, y)0 (a, y) = 0 0y b 0 y sb...
1. (10 points, part I) Consider the following initial boundary value problem lU (la) (1b) (1c) 0L, t> 0 3 cos ( a(x, 0) (a) Classify the partial differential equation (1a) (b) What do the equations (la)-(1c) model? (Hint: Give an interpretation for the PDE, boundary conditions and intial condition.) c) Use the method of separation of variables to separate the above problem into two sub- problems (one that depends on space and the other only on time) (d) What...
Problem 2. (15 points) Solve the following Laplace's equation in a cube as outlined below. au au au 2,2 + a2 + a2 = 0, on 0<x<1, 0<y<1, 0<?<1, (0, y, z) = (1, y, z) = 0, (x, 0, 2) = u(x, 1, ) = 0, (x, y,0) = 0, u(x,y, 1) = x. (a) Seek a solution of the form u(x, y, z) = F(x) G(v) H(-). Show that with the appropriate choice of separation constants, you can...