JNTUK R20 B.Tech Mechanical 2-1 MOS Material/ Notes PDF Download

JNTUK R20 B.Tech Mechanical 2-1 MOS Material/ Notes PDF Download: For JNTUK R20 B.Tech Mechanical 2-1 Mechanics of Solids (MOS) Material, students will learn about stress, strain, and other basic terms. They’ll understand how different materials respond to forces, like beams, thin cylinders, thick cylinders, and columns. Also, they’ll learn about shear stresses in circular shafts caused by twisting.

The JNTUK R20 B.Tech Mechanical 2-1 MOS Notes help students understand these concepts better and apply them to solve problems in engineering. Plus, they can easily download the material in PDF format for convenient studying.

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JNTUK R20 B.Tech Mechanical 2-1 MOS Material – Units

Unit 1 Syllabus PDF Download | JNTUK R20 B.Tech Mechanical Mechanics of Solids Material

Simple Stresses & Strains: Elasticity and plasticity – Types of stresses & strains–Hooke’s law – stress-strain diagram for mild steel – Working stress – Factor of safety – Lateral strain, Poisson’s ratio & volumetric strain – Bars of varying section – composite bars – Temperature stresses- Complex Stresses – Stresses on an inclined plane under different uniaxial and biaxial stress conditions – Principal planes and principal stresses – Mohr’s circle – Relation between elastic constants, Strain energy – Resilience – Gradual, sudden, impact and shock loadings.

Unit 2 Syllabus PDF Download | JNTUK R20 B.Tech Mechanical Mechanics of Solids Material

Shear Force And Bending Moment: Definition of beam – Types of beams – Concept of shear force and bending moment – S.F and B.M diagrams for cantilever, simply supported and overhanging beams subjected to point loads, u.d.l, uniformly varying loads and combination of these loads – Point of contra flexure – Relation between S.F., B.M and rate of loading at a section of a beam.

Unit 3 Syllabus PDF Download | JNTUK R20 B.Tech Mechanical Mechanics of Solids Material

Flexural Stresses: Theory of simple bending – Assumptions – Derivation of bending equation: M/ I = f/y = E/R Neutral axis – Determination bending stresses – section modulus of rectangular and circular sections (Solid and Hollow), I,T, Angle and Channel sections – Design of simple beam sections.

Shear Stresses: Derivation of formula – Shear stress distribution across various beam sections like rectangular, circular, triangular, I, and T angle sections.

Unit 4 Syllabus PDF Download | JNTUK R20 B.Tech Mechanical Mechanics of Solids Material

Deflection Of Beams: Bending into a circular arc – slope, deflection and radius of curvature – Differential equation for the elastic line of a beam – Double integration and Macaulay’s methods – Determination of slope and deflection for cantilever and simply supported beams subjected to point loads, – U.D.L uniformly varying load. Mohr’s theorems – Moment area method – application to simple cases including overhanging beams, Statically indeterminate Beams, and solution methods.

Torsion: Introduction-Derivation- Torsion of Circular shafts- Pure Shear-Transmission of power by circular shafts, Shafts in series, Shafts in parallel.

Unit 5 Syllabus PDF Download | JNTUK R20 B.Tech Mechanical Mechanics of Solids Material

Thin And Thick Cylinders: Thin seamless cylindrical shells – Derivation of formula for longitudinal and circumferential stresses – hoop, longitudinal and Volumetric strains – changes in dia, and volume of thin cylinders – Riveted boiler shells – Thin spherical shells. Wire wound thin cylinders. Lame’s equation – cylinders subjected to inside & outside pressures –compound cylinders.

Columns: Buckling and Stability, Columns with Pinned ends, Columns with other support Conditions, Limitations of Euler’s Formula, Rankine’s Formula.

JNTUK R20 B.Tech MOS Material – Outcomes

• Modeling and Analysis of Structural Members: Students learn to analyze basic structural elements like beams and columns under different loads and support conditions, using principles of equilibrium to understand how they behave.
• Application of Stress and Strain Concepts: Students understand how stress and strain affect structural members and machine parts under various loads like axial, shear, and bending loads, as well as moments and torsional forces. They can apply these concepts to analyze and design these components effectively.
• Methods for Structural Analysis: Students are equipped with methods to analyze beams, columns, and frames for normal, shear, and torsion stresses. They also learn to solve deflection problems and draw correct shear and bending moment diagrams for beams, preparing them for structural component design.
• Deeper Understanding of Loads, Stresses, and Strains: Students gain a deeper understanding of how loads, stresses, and strains interact in structures, especially in elastic behavior. This knowledge helps in designing structurally sound components.
• Design and Analysis of Industrial Components: Students learn to design and analyze industrial components like pressure vessels, applying their understanding of stress, strain, and structural analysis methods to real-world applications in industry.

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