Homework Answers
Add Answer to:
For the system shown in Figure Determine the mass matrix kq=3600 N/m, kz=1800 N/m, m=10 kg...
5.62 In the system shown in Fig. 5.24, the mass m is excited by a harmonic...
5.62 In the system shown in Fig. 5.24, the mass m is excited by a harmonic force having a maxi mum value of 50 N and a frequency of 2 Hz. Find the forced amplitude of each mass for m1 = 10 kg, m2 5 kg, ki = 8000 N/m. and k2-2000 N/m. Base xi(t) Im2 2(0) FIGURE 5.24
A spring-mass system with m-10 kg and k-5000 N/m is subjected to a harmonic force having...
A spring-mass system with m-10 kg and k-5000 N/m is subjected to a harmonic force having an amplitude of 250 N and frequency of ow. If the maximum amplitude of the mass is observed to be 100 mm, find the value of o. (Points 4/10)
A spring-mass system with m = 8 kg and k = 4000 N/m subjected to a...
A spring-mass system with m = 8 kg and k = 4000 N/m subjected to a harmonic force of amplitude 200 N and frequency (). When the mass of the system is increased by 20% from its original value, the amplitude of the forced motion of the new mass is observed to be 25% off the original one. Determine the frequency of the harmonic force and the amplitude of original system
For a mass-spring system shown in the figure below. Write the dynamic equations in matrix form...
For a mass-spring system shown in the figure below. Write the dynamic equations in matrix form and find the natural frequencies for this system, eigen values, eigen vectors and mode shapes assuming: m1=1 kg, m2=4 kg, k1=k3=10 N/m, and k2=2 N/m. / ر2 دی) x1(0) x2(0) K3 K1 W K2 mi W4 m2 (-?
QUESTION 10 Q8 (a): shock absorber for a car is to be designed. The system can be considered as simple SDOP system with a mass of m kg as shown in figure (below) and its damped free vibration res...
QUESTION 10 Q8 (a): shock absorber for a car is to be designed. The system can be considered as simple SDOP system with a mass of m kg as shown in figure (below) and its damped free vibration response is shown beside that. The damped period of vibration is to be Td sec. n u It is observed that the amplitude reduced to,% of initial value after 2 oscillations. x(o) 2 For the above question, determine the damped natural frequencies...
The following system is composed by two masses The first mass m, = 21 kg, moving...
The following system is composed by two masses The first mass m, = 21 kg, moving horizontally (x1, positive rightwards) • The second mass m2 = 2.4 kg, moving horizontally (X2. positive rightwards) The first mass is connected to the ground (on the left) by two springs, each with stiffness k = 201 N/m. The second mass is connected to the first mass by another spring, also with stiffness k = 201 N/m. A harmonic force is applied to the...
Problem 5: The spring-mass system shown has spring constants ky = 24 kN/m and kz =...
Problem 5: The spring-mass system shown has spring constants ky = 24 kN/m and kz = 36 kN/m with a suspended mass of 35 kg at A. If the block is displaced 50 mm below its equilibrium position and released with no initial velocity, determine: a) The circular natural frequency, the natural frequency, and the period b) The position, velocity, and acceleration of the block after a time of 30 seconds k2 mm ki A
Figure 1 shows a system comprising a bar with mass m=12 kg and the length of...
Figure 1 shows a system comprising a bar with mass m=12 kg and
the length of the bar L=2 m, two springs with stiffness k_t=1000
N-m/rad and k=2000 N/m, one damper with damping coefficient c=50
N-s/m and two additive masses at the end of the bar, where each
mass (M) is equal to 50 kg. The rotation about the hinge A,
measured with respect to the static equilibrium position of the
system is θ(t). The system is excited by force...
MEMB343 MECHANICAL VIBRATIONS ASSIGNMENT l. For the system shown in Figure 1, where mi=5 kg, m,-10 kg, ki=1000 N/m, k2-500 N/m, k, 2000 N/m, fi-100sin(15t) N and f-0, use modal analysis to determine...
MEMB343 MECHANICAL VIBRATIONS ASSIGNMENT l. For the system shown in Figure 1, where mi=5 kg, m,-10 kg, ki=1000 N/m, k2-500 N/m, k, 2000 N/m, fi-100sin(15t) N and f-0, use modal analysis to determine the amplitudes of masses m, and m2. The equations of motion are given as sin(15t), wth natura frequencies 5 01[i, 0 10 500-500x, 500 2500jx, x,[100 ω,-14.14 rad's and a, = 18.71 rad/s, and mode shapes, Φ',, and Φ' k, Im Figure 1
MEMB343 MECHANICAL VIBRATIONS ASSIGNMENT...
A system made up of a mass (m), attached to a spring of stiffness k [N/m]...
A system made up of a mass (m), attached to a spring of stiffness k [N/m] will oscillate to a specific amplitude (A) which will depend on an external force (F) and initial conditions. If all the variables involved are given in Table 1, formulate the necessary Pi groups to describe this behavior. Make sure you write the Pi groups using the parameters involved Variable Units A m m kg Parameter Amplitude Mass Spring constant External Force Frequency k N/m...
5.62 In the system shown in Fig. 5.24, the mass m is excited by a harmonic force having a maxi mum value of 50 N and a frequency of 2 Hz. Find the forced amplitude of each mass for m1 = 10 kg, m2 5 kg, ki = 8000 N/m. and k2-2000 N/m. Base xi(t) Im2 2(0) FIGURE 5.24
A spring-mass system with m-10 kg and k-5000 N/m is subjected to a harmonic force having an amplitude of 250 N and frequency of ow. If the maximum amplitude of the mass is observed to be 100 mm, find the value of o. (Points 4/10)
For a mass-spring system shown in the figure below. Write the dynamic equations in matrix form and find the natural frequencies for this system, eigen values, eigen vectors and mode shapes assuming: m1=1 kg, m2=4 kg, k1=k3=10 N/m, and k2=2 N/m. / ر2 دی) x1(0) x2(0) K3 K1 W K2 mi W4 m2 (-?
QUESTION 10 Q8 (a): shock absorber for a car is to be designed. The system can be considered as simple SDOP system with a mass of m kg as shown in figure (below) and its damped free vibration response is shown beside that. The damped period of vibration is to be Td sec. n u It is observed that the amplitude reduced to,% of initial value after 2 oscillations. x(o) 2 For the above question, determine the damped natural frequencies...
The following system is composed by two masses The first mass m, = 21 kg, moving horizontally (x1, positive rightwards) • The second mass m2 = 2.4 kg, moving horizontally (X2. positive rightwards) The first mass is connected to the ground (on the left) by two springs, each with stiffness k = 201 N/m. The second mass is connected to the first mass by another spring, also with stiffness k = 201 N/m. A harmonic force is applied to the...
Problem 5: The spring-mass system shown has spring constants ky = 24 kN/m and kz = 36 kN/m with a suspended mass of 35 kg at A. If the block is displaced 50 mm below its equilibrium position and released with no initial velocity, determine: a) The circular natural frequency, the natural frequency, and the period b) The position, velocity, and acceleration of the block after a time of 30 seconds k2 mm ki A
Figure 1 shows a system comprising a bar with mass m=12 kg and
the length of the bar L=2 m, two springs with stiffness k_t=1000
N-m/rad and k=2000 N/m, one damper with damping coefficient c=50
N-s/m and two additive masses at the end of the bar, where each
mass (M) is equal to 50 kg. The rotation about the hinge A,
measured with respect to the static equilibrium position of the
system is θ(t). The system is excited by force...
MEMB343 MECHANICAL VIBRATIONS ASSIGNMENT l. For the system shown in Figure 1, where mi=5 kg, m,-10 kg, ki=1000 N/m, k2-500 N/m, k, 2000 N/m, fi-100sin(15t) N and f-0, use modal analysis to determine the amplitudes of masses m, and m2. The equations of motion are given as sin(15t), wth natura frequencies 5 01[i, 0 10 500-500x, 500 2500jx, x,[100 ω,-14.14 rad's and a, = 18.71 rad/s, and mode shapes, Φ',, and Φ' k, Im Figure 1
MEMB343 MECHANICAL VIBRATIONS ASSIGNMENT...
A system made up of a mass (m), attached to a spring of stiffness k [N/m] will oscillate to a specific amplitude (A) which will depend on an external force (F) and initial conditions. If all the variables involved are given in Table 1, formulate the necessary Pi groups to describe this behavior. Make sure you write the Pi groups using the parameters involved Variable Units A m m kg Parameter Amplitude Mass Spring constant External Force Frequency k N/m...
Most questions answered within 3 hours.
-
Slow 'n Steady, Inc., has a stock price of $30, will pay a
dividend next year...
asked 8 minutes ago -
During the current financial year, the owner of Omega
Enterprises withdrew supplies of $2,000 for personal...
asked 4 minutes ago -
PLEASE SHOW MATH CALCULATION(formulas)it has to be done on excel
P12-4 Last year (2016), Richter Condos...
asked 12 minutes ago -
A couple of small ice cubes at 0 °C are added to glass of warm
water...
asked 4 minutes ago -
Regarding language development, which of the following
statements is FALSE?
Babies are able to cry from...
asked 6 minutes ago -
A machine shop owner wishes to assign each of three machinists
(labeled 1, 2, and 3)...
asked 7 minutes ago -
A 0.25μF capacitor is charged to 50 V . It is then connected in
series with...
asked 28 minutes ago -
Calculate the current, I, through the batteries for:
- a 2-bulb parallel circuit
- How does...
asked 30 minutes ago -
Choose the sentence that uses correct punctuation.
1a. The prefatory parts of a report include the...
asked 36 minutes ago -
For the element arsenic, which one of the following sets of
quantum numbers could not apply...
asked 45 minutes ago -
Compare and contrast the architectures of 3 types of ADCs:
Flash, SAR, and pipelined. Use the...
asked 46 minutes ago -
Given P(A) = 0.40, P(B) = 0.50, P(A ∩ B) = 0.15. Which of the
following...
asked 51 minutes ago