ME 452: Advanced Mechanics of Machinery

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ME 452 - Advanced Mechanics of Machinery

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Catalog Description

452 Advanced Mechanics of Machinery. Irr; 3 cr. Concepts, principles, procedures, and theories in advanced machine design. Combined stress failure theories, design with dynamic loading including impact and fatigue, and special topics in machine element design. P: ME 342 or cons inst.

Course Prerequisite(s)

See catalog description above.

Prerequisite knowledge and/or skills

Students are required to have a background in strength of materials and an understanding of basic material properties and behavior.

Textbook(s) and/or other required material

The instructor distributes course notes. Plus, students are also assigned selected readings from the following texts: "Engineering Considerations of Stress, Strain, and Strength", Robert C. Juvinall, McGraw-Hill. "Failure of Materials in Mechanical Design: Analysis, Prediction, Prevention", J. A. Collins, John Wiley & Sons. "Fracture and Fatigue Control in Structures: Applications of Fracture Mechanics", Stanley T. Rolfe & John M. Barsom, Prentice-Hall.

Course objectives

The course objectives include giving students an in-depth understanding and working knowledge of the design methods and procedures for treating fatigue and fracture in the design of mechanical and structural components and devices.

Topics covered

Review of mechanical failure modes and failure theories.
Review of basic material structures and material behavior and mechanical properties.
High-cycle (long-life/stress-based)fatigue, fatigue/cyclic material properties and behavior.
High-cycle fatigue testing and statistcal analysis of fatigue test data.
Uniaxial fatigue -- crack initiation and crack propagation.
Combined mean stress and alternating stress fatigue -- design procedures and methods including stress concentration, residual stress, temperature, corrosion, etc effects.
Load/stress/strain histories, cycle counting methodes and procedures.
Cumulative fatigue damane -- design methods and procedures. Multiaxial states of fatigue stress -- design methods and procedures.
Fracture Mechanics -- design methods and procedures.
Analysis of crack propagation rates.
Low-cycle (short-life/strain-based) fatigue, cyclic properties and material behavior -- design methods and procedures.
Combined creep and fatigue -- design methods and procedures.
Fretting and fretting-fatigue -- design methods and procedures.

Class/laboratory schedule

Two 75 minute class sessions per week for 15 weeks.

Contribution of course to meeting the professional component

This course contributes primarily to the students' knowledge of engineering topics, but does not provide design experience.

The following statement indicates which of the following considerations are included in this course: economic, environmental, ethical, political, societal, health and safety, manufacturability, sustainability.

The course teaches the current best engineering practice methods and procedures for designing safe mechanical and structural components and devices.

Relationship of course to undergraduate degree program objectives and outcomes

This course serves students in a variety of engineering majors. The information below describes how the course contributes to the college's educational objectives.

This course makes a contribution to the students understanding of two important mechanical and structural failure modes -- fatigue and fracture. Students develop an in-depth understanding these failure modes. They learn about and learn to apply current best engineering practice methods and procedures to engineering design and design analysis various problems that arise in numerous mechanical and structural applications.

Assessment of student progress toward course objectives

The following methods is used to assess a students' progress toward meeting the course objectives: two mid-term examinations (one in class exam, one compressive take-home exam); one final exam; several course projects that requires students to solve open-ended fatigue/fracture design analysis problems (typical of those encounterd in industry and/or consulting pratice); and in-class participation.

Person(s) who prepared this description

Wayne D. Milestone

Copyright 2007 The Board of Regents of the University of Wisconsin System
Date last modified: 04-Aug-2007
Content by: deptinfo@me.engr.wisc.edu
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