For a spring-mass system with forced vibration we have the following equation motion. 100% + 5ỷ...
Spring mass damper system with forced response, the forced system given by the equation For damping factor:E-0.1 ; mass; m-| kg: stiffness of spring; k-100 Nm; f-| 00 N; ω Zun; initial condition: x (0)-2 cms; r(0) = 0. fsincot Task Marks 1. Write down the reduced equation into 2first orderns Hand written equations differential equations 2. Rearrange equation (1) with the following generalized equation 250, x+osinor calculations 3. Calculate the value of c calculations Hand calculations 4. Using the...
2. The equation of motion for an undamped forced vibration system is given as, * + 169x = 40t Determine the response by Convolution Integral method
Consider the forced vibration in Figure 1. We mass, m Figure 1: Forced Vibration 1. Use a free-body diagram and apply Newton's 2nd Law to show that the upward displacement of the mass, r(t), can be modelled with the ODE da da mdt2 + cat + kz = F(t) where k is the spring coefficient and c is the damping coefficient. = 2 kg, c = For the remainder of the questions, use the following values: m 8 Ns/m, k...
For the given values of m, c, k and f(t), assume the forced vibration in a spring-mass dashpot system is initially at equilibrum. For t>0, find the motion x(t) and identify the steady periodic and transient parts m=2, c=2, k=1, f(t)= 5cos(t)
help me with this Consider the vibration of mass spring system given by the initial value problem m d²x dt2 dx +b. dt + kx = 0 x(0)=0, x'(0) = 1 Where m, b, k are nonnegative constants and b2 < 4mk. Show that a solution to the problem is given by b2 2m e 2m sin 4mk-b2 4mk 2m t (CO2:P01 - 8 Marks) b. A 200 g mass stretches a spring 5 cm. If it is release from...
QUESTION 2 (20 MARKS) a Consider the vibration of mass spring system given by the initial value problem dx dx de+b + kx = 0 dt *(0) = 0 . x'(0) = 1 Where m, b, k are nonnegative constants and b2 < 4mk. Show that a solution to the problem is given by X(t) = 2m Amk- em sin 4mk-02 2m (CO2:P01 - 8 Marks) b. A 200 g mass stretches a spring 5 cm. If it is release...
3. (20%) A vibration absorber, which is a spring-mass system (k2, m2), is added to a system (ki, m) subject to a harmonic force F(t) Fo cos @t. (a) Derive the amplitudes of steady-state response for mi and m2. (b) Find the relation between k2 and m2 that leads to no steady state vibration of mi. 3. (20%) A vibration absorber, which is a spring-mass system (k2, m2), is added to a system (ki, m) subject to a harmonic force...
The vibration of a 0.3-kg mass on a spring can be described by the equation 0.7 cos(1.2t+4.3), where t is in seconds and z is in meters. Determine the following for this system: Part e The kinetic energy (in J) when the spring is stretched 0.482 m Enter answer here
4. (30%) Consider the following system that consists of a mass m-10kg, coil spring of stiffness k-1000N/m, and damping c-200Ns/m. 1) Suppose that the mass is initially at rest and is given an initial velocity of 3 m/s Find the free vibration response of the mass. 2) Suppose that at a later time, a harmonic force F (t)- sin15t is acted on the mass. Determine the amplitude of the forced vibration response. F, sin
For the given parameters for a forced mass-spring-dashpot system with equation mx"+ cx' + kx = Fo cos ot. Investigate the possibility of practical resonance of this system. In particular, find the amplitude C(a) and find the practical resonance frequency o (if any). m 1, c 5, k 40, Fo = 50