UNIT 1.ppt
- 2. SYLLABUS UNIT 1 STRESS, STRAIN AND DEFORMATION OF SOLIDS Stresses; Tensile, Compressive and Shear – Basics of Elasticity- Elastic constants - Stress-Strain Diagram for ductile and brittle material – Deformation of simple and compound bars under axial load –Thermal stress – Strain energy and unit strain energy – Strain energy in Uniaxial loads. UNIT 2 TORSION AND SPRINGS Torsion of circular bars – Torsion Equation-Shear stress distribution – Bars of Solid and hollow circular section – Stepped shaft – Twist and torsion stiffness – Compound shafts – Fixed and simply supported shafts – Maximum shear stress in spring section including Wahl Factor – Deflection of helical coil springs under axial loads. UNIT 3 ANALYSIS OF STRESSES IN TWO DIMENSIONS Biaxial state of stress – thin cylinders and shells – Deformation in Thin cylinders and spherical shells. Thick Cylinders – Lame‘s Equation – stresses on inclined planes – Principal planes and stresses – Mohr‘s circle for biaxial stress- Maximum shear stress.
- 3. SYLLABUS UNIT 4 TRANSVERSE LOADING ON BEAMS AND STRESSES IN BEAMS Types and applications of beams, Supports and Loads – Shear force and Bending Moment in beams –Cantilever, Simply supported and overhanging beams – Stresses in beams – Theory of simple bending –Bending Stress variation along the length and in the beam section – Effect of shape of beam section on stress induced – Variation of Shear stresses in beams. UNIT 5 DEFLECTION OF BEAMS AND COLUMNS Deflection and slope of beam – Evaluation of beam deflection and slope: Double integration method, Macaulay‘s method, Area moment theorems for computation of slopes and deflection in beams. Columns: End condition –Equivalent length of column – Euler‘s equation – Slenderness ratio – Rankine‘s formula for columns.
- 4. UNIT 1 Materials, its types and applications Mechanical Properties Stresses and its types Basics of Elasticity Elastic constants Poisson’s ratio Stress – Strain diagram Temperature stresses
- 11. TYPES OF LOAD
- 12. TYPES OF LOADING