. Mechanical design I

Course Description:
This course introduces the mechanical design processes and the main terminologies of the mechanical design. It revises the basics of statics and dynamics courses with the materials stiffness and deflection principles. The deflection and stiffness principles are also given in this course.

Course Outline:
- Introduction into mechanical design and safety factors. - Materials and processing; shell molding, sand casting, etc. - Material selection - Load and stress analysis; plane stresses. - Bending, shear, and normal stresses. - Stress concentration, contact stresses, press and shrink fit, and temperature effects. - Beam deflection methods; superposition and singularity. - Strain energy and Castigliano’s Theorem. - Statically Indeterminate Problems - Shock and impacts - Compression members. - Failure resulting from static loadings: - Failure theories for ductile materials; MSS, DE, and Coulomb-Mohr theory. - Failure theories of brittle materials. - Failure resulting from variable loading: - Introduction to fatigue - Fatigue life methods; stress and strain life methods - Endurance limits and fatigue strength - Fluctuating stresses.