A uniform string of length L = 1 is described by the one-dimensional wave equation au...
u(x, t) represents the vertical displacement of a string of length L = 16 with wave equation 25uxx = uft at position x along the string and at time t Find u(x, t) if a. the initial velocity of the string is 0 and the rightmost position b. the initial velocity is a constant 5 and the vertical displacement is 0. c. the initial velocity is a constant 5 and the rightmost position is held at a vertical displacement of...
show steps please! (1 point) u(x, t represents the vertical displacement of a string of length L = 20 with wave equation 16. time t = Utt at position x along the string and at Find u(x, t) if a. the initial velocity of the string is 0 and the rightmost position is held at a vertical displacement of 1 and released b. the initial velocity is a constant -5 and the vertical displacement is 0 c. the initial velocity...
The conductive heat transfer in a rod of length L is described by the equation au ди əraat ,0<r<L,+20 where u(x, t) is the local temperature of the rod, t is time, and a is a positive constant describing the thermal conductivity of the rod. The initial and boundary conditions are: T(r, 0) = 0, T(L, t) = 0, and T (0, 1) = 1 for > 0 (1) Find the general solution of this PDE. (11) Find the eigenvalues...
(The wave equation) Consider a string with fixed zero ends of length L with speed parameter c, with initial position -X u(x,0) = x € (0, L/2] c [L/2, L] C L and zero initial velocity. (a) Find the normal modes of the solution and specify the spatial and temporal frequencies for each. (You do not need to derive the general solution to the wave equation with fixed ends.) (b) Describe how the tension Th, density p and length L...
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...
2. Consider the following initial value problem for the wave equation, modeling a vi- brating string with fixed endpoints. au = 922 u u(t,0) = u(t, 7) = 0 u(0,x) = 8 sin(x) sin(2x) sin(3x) (Ou(0,2) = 9 sin(6x) (a) What is the length L of the string? What is the value of the constant c= T/p? (b) Write down the solution of this initial value problem. (Hint: You might find the following identities helpful.)! cos(a + b) = cos...
(a) A string of length L is stretched and fastened to two fixed points. The displacement of the string is given as Satu tali dengan panjang L diregang dan ditetapkan kedudukannya pada dua titik tetap. Sesaran tali diberikan sebagai u (x, 0) = The string is released with zero velocity. By applying the equation 02 with c2 1 and using the separation of variable method, a c2 at2 determine the subsequent motion u(x, t). Tali dilepaskan pada halaju sifar. Dengan...
How does c^2 = 3 affect this? = 3 Consider a tight string of length 2, with enough tension so that ca with fixed endpoints so that it follows the wave equation, 02 22 3 U= at2 arzu Suppose the string starts out with zero displacement and an initial velocity of d u(x, 0) = -x (x – L) dt Find the displacement as a function of time. u(x,0)
r Extra Credit: Write a complete analysis of the wave equation with friction for a string of length L subject to initial conditions u(x, 0)-f(x) and (x,0) (t) r Extra Credit: Write a complete analysis of the wave equation with friction for a string of length L subject to initial conditions u(x, 0)-f(x) and (x,0) (t)
6. a) For a thin conducting rod of length L = π, the temperature U(x, t) at a point 0 Sx S L at timet>0 is determined by the differential equation U, Uxx with boundary data U(x, 0) fx) and U(0,) UL, t)- 0 for all0. Show that for any positive integer k, the function U(x, t)- exp (-ak21) sin kx is a solution. It follows that Σ exp (-ak2 t) Bk sin kx is the general solution where Σ...