# JNTUH B.TECH R18 4-1 Syllabus For Mechanical vibrations PDF 2022

### Get Complete Lecture Notes for Mechanical vibrations on Cynohub APP

You will be able to find information about Mechanical vibrations along with its Course Objectives and Course outcomes and also a list of textbook and reference books in this blog.You will get to learn a lot of new stuff and resolve a lot of questions you may have regarding Mechanical vibrations after reading this blog. Mechanical vibrations has 5 units altogether and you will be able to find notes for every unit on the CynoHub app. Mechanical vibrations can be learnt easily as long as you have a well planned study schedule and practice all the previous question papers, which are also available on the CynoHub app.

All of the Topic and subtopics related to Mechanical vibrations are mentioned below in detail. If you are having a hard time understanding Mechanical vibrations or any other Engineering Subject of any semester or year then please watch the video lectures on the official CynoHub app as it has detailed explanations of each and every topic making your engineering experience easy and fun.

### Mechanical vibrations Unit One

#### Single degree of Freedom systems – I

Undamped and damped free vibrations; forced vibrations coulomb damping; Response to excitation; rotating unbalance and support excitation; vibration isolation and transmissibility.

### Mechanical vibrations Unit Two

#### Single degree of Freedom systems – II:

Response to Non-Periodic Excitations: unit impulse, unit step and unit Ramp functions; response to arbitrary excitations, The Convolution Integral; shock spectrum; System response by the Laplace Transformation method.

### Mechanical vibrations Unit Three

#### Two-degree freedom systems & Multi degree freedom systems

Two-degree freedom systems: Principal modes- undamped and damped free and forced vibrations; undamped vibration absorbers;
Multi degree freedom systems: Matrix formulation, stiffness and flexibility influence coefficients; Eigen value problem; normal modes and their properties; Free and forced vibration by Modal analysis; Method of matrix inversion; Torsional vibrations of multi- rotor systems and geared systems; Discrete- Time systems.

### Mechanical vibrations Unit Four

#### Continuous system,Critical speeds of shafts & Numerical Methods:

Continuous system: Free vibration of strings – longitudinal oscillations of bars- traverse vibrations of beams- Torsional vibrations of shafts.
Critical speeds of shafts: Critical speeds without and with damping, secondary critical speed. Numerical Methods: Rayleigh’s stodola’s, Matrix iteration, Rayleigh- Ritz Method and Holzer’s methods.
Vibration measuring instruments: Vibrometers, velocity meters & accelerometers

### Mechanical vibrations Unit Five

#### Sound level and subjective response to sound:

Sound level and subjective response to sound: Subjective response to sound, frequency dependent human response to sound, sound-pressure dependent human response, the decibel scale, relationship among sound power, sound intensity and sound pressure level, relationship between sound power level and sound intensity, relationship between sound intensity level and sound pressure level, sound measuring instruments.

### Mechanical vibrations Course Objectives

Understand various levels of vibrations and remedies for each of them.

### Mechanical vibrations Course Outcomes

At the end of the course, the student will be able to, Understand the causes and effects of vibration in mechanical systems. Develop schematic models for physical systems and formulate governing equations of motion. Understand the role of damping, stiffness and inertia in mechanical systems Analyze rotating and reciprocating systems and compute critical speeds. Analyze and design machine supporting structures, vibration isolators and absorbers.

### Mechanical vibrations Text Books

Elements of Vibration Analysis / Meirovitch/ Mc Graw Hill
Principles of Vibration / Benson H. Tongue/Oxford

### Mechanical vibrations Reference Books

Mechanical Vibrations / SS Rao / Pearson
Mechanical Vibration /Rao V. Dukkipati, J Srinivas/ PHI
Mechanical Vibrations/ G.K. Grover/ Nemchand & Brothers

### Scoring Marks in Mechanical vibrations

Information about JNTUH B.Tech R18 Mechanical vibrations was provided in detail in this article. To know more about the syllabus of other Engineering Subjects of JNTUH check out the official CynoHub application. Click below to download the CynoHub application.

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