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Problem #9: Consider the below wave equation with the given conditions. clu olu 16 0<x< 5,...
Consider the below wave equation with the given conditions. au 81 Ox? u(0,1) het au 0 < x < 4, t > 0, u(4,t) = 0, 1 > 0 op u(x,0) = 0, ди at = 6x(4- x) = 384 ${1 - (-1)"} sin(npox/4), 0< x < 4. n=1 The solution to the above boundary-value problem is of the form u(x,t) = 8(n, t) sin "* n=1 Find the function g(n,1).
9. Solve the wave equation subject to the boundary and initial conditions u(0,t) = 0, u(x,0) = 0, U(TT, t) = 0, t> 0 $ (3,0) = sin(x), 0<x<a
Partial Differential Equation - Wave equation : Vibrating spring Question 2 A plucked string, Figure 2 shows the initial position function f (x) for a stretched string (of length L) that is set in motion by moving t at midpoint x =-aside the distance-bL and releasing it from rest timet- 0. f (x) bL Figure 2 (a) If the length of string is 10cm with amplitude 5cm was set initially, state the initial condition and the boundary conditions for the...
b) Consider the wave equation azu azu at2 0 < x < 2, t>0, ar2 with boundary conditions u(0,t) = 0, u(2, t) = 0, t> 0, and initial conditions u(x,0) = x(2 – x), ut(x,0) = = 0, 0 < x < 2. Use the method of separation of variables to determine the general solution of this equation. (15 marks)
PROBLEM 1 IS SUPPOSED TO BE A WAVE EQUATION NOT HEAT EQUATION 1. Find the solution to the following boundary value initial value problem for the Heat Equation au 22u 22 = 22+ 2 0<x<1, c=1 <3 <1, C u(0,t) = 0 u(1,t) = 0 (L = 1) u(x,0) = f(x) = 3 sin(7x) + 2 sin (3x) (initial conditions) (2,0) = g(x) = sin(2x) 2. Find the solution to the following boundary value problem on the rectangle 0 <...
Problem 1. Consider the nonhomogeneous heat equation for u,t) ut = uzz + sin(2x), 0<x<π, t>0 subject to the nonhomogeneous boundary conditions u(0, t) t > 0 u(n, t) = 0, 1, - and the initial condition Lee) Find the solution u(z, t) by completing each of the following steps: (a) Find the equilibrium temperature distribution ue(x). (b) Denote v(x, t) u(a, t) - e(). Derive the IBVP for the function v(x,t). (c) Find v(x, t) (d) Find u(, t)...
Problem 2 (10 points). Consider the wave equation for a vibrating string of infinite length with the initial conditions where the initial displacement f(x) is specified as 0, if 21 Determine the expression of the function u(, 0.5) that represents the spatial profle of the string at timet 0.5. Provide the graph of this function Problem 2 (10 points). Consider the wave equation for a vibrating string of infinite length with the initial conditions where the initial displacement f(x) is...
Problem 1. Consider the wave equation ∂ 2 ∂t2 u = ∇2u with c 2 = 1 on a rectangle 0 < x < 2, 0 < y < 1 with u = 0 on the boundary (fixed boundary condition). Find two independent eigenfunctions um1,n1 (x, y, t) and um2,n2 (x, y, t) with either m1 6= m2 or n1 6= n2 (or both) which have the same eigenvalue (frequency). Problem 1. Consider the wave equation a2 u= at2 v4...
Problem #8: A rod of length 9 coincides with the interval [0,9] on the x-axis. Consider the heat equation in the special case when k=1 if both ends are held at temperature zero for all t> 0. The initial temperature is f(x) throughout where f(x) = a sin(876x) + b sin(4x) The solution to the heat equation under the above conditions is of the form u (x, t) = a g1(x, t) + b g2(x, t) (a) Enter the function...
d1=8 d2=9 lu for Find the solution u(x,t) for the l-D wave equation-=- Qx2 25 at2 (a) oo < x < oo with initial conditions u(x,0)-A(x) , where A(x) Is presented in the diagram below, and zero initial velocity. For full marks u(x,t) needs to be expressed as an equation involving x and t, somewhat similar to f(x) on page 85 of the Notes Part 2. d2+5 di+10 di+15dı+20 (b) Check for the wave equation in (a) that if (x...