16-10-2012, 01:11 PM
Strength of Materials
Strength.ppt (Size: 5.65 MB / Downloads: 113)
Mechanics of Materials
Study relationship between external loads applied to a deformable body and the intensity of internal forces acting within the body.
Computation of the deformation of bodies due to external loading.
Material behavior
Course Outcomes 1
Solve axially loaded members for stresses and deflections in statically determinate or indeterminate cases including thermal stresses.
Solve torsionally loaded shafts for stresses and deflections in statically determinate or indeterminate cases.
Solve beams under bending for stresses.
Solve transversely loaded beams for internal shear forces and bending moments. Develop shear and moment diagrams.
Course Outcomes 2
Solve beam deflection problems using integration, and superposition.
Solve for the stresses in beams with combined axial and transverse loads.
Solve for stresses in general cases of combined loading and check for yielding using simple yield criteria.
Solve for transformed stresses, principal stresses and construct and interpret Mohr's circle for stresses.
Solve axially loaded slender beams for buckling under a variety of boundary conditions.
STATICS: You need to be able to…
Draw free-body diagrams,
Know support types and their corresponding reactions,
Write and solve equilibrium equations so that unknown forces can be solved for,
Solve for appropriate internal loads by taking cuts of inspection,
Determine the centroid of an area,
Determine the moment of inertia about an axis through the centroid of an area.
FBD After Cut
Separate the two parts and draw a FBD of either side
Use equations of equilibrium to relate the external loading to the internal reactions.
Resultant Force and Moment
Point O is taken at the centroid of the section.
If the member (body) is long and slender, like a rod or beam, the section is generally taken perpendicular to the longitudinal axis.
Section is called the cross section.