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Programs Transcripts |
The
Annual Dr.
Roger L. McCarthy, P.E. Speaking About: Thursday,
October 31, 2002, 3:30 P.M.
Biographical Sketch Dr.
Roger L. McCarthy is Chairman of Exponent, Inc,
formerly Failure Analysis Associates Incorporated
(FaAA).He joined FaAA in 1978, becoming President
and
Synopsis of the 2001 Gegenheimer Lecture Disasters can and do result from innovators failing to remember the experience we gained from past innovation. Invention often tests the known and takes us into regimes where we have no experience, and unintended effects have to be accepted as a risk of this exploration. The challenge to present and future engineers is to insure that we only suffer the consequences of the unknown, lest we have to endure, again, the previously learned lessons of past innovation.A challenge to our system of engineering and scientific education is to formally teach students to learn and codify lessons gains from failure, as well as success. There is invariably deeper meaning in a disaster than the facts of the specific event. Most every engineering student emerges having seen some dramatic film footage of the Tacoma Narrows Bridge resonating in the wind prior to its collapse, illustrating the importance of both aerodynamics and vibration. However, how often is that spectacular example used to teach the principle that engineering disasters can result from known, but normally ignored, second order effects in a previous design becoming important first order effects in a scaled up design? This happenstance appears too often in engineering history.Exponent, Inc., formerly Failure Analysis Associates, Inc., since its founding in 1967, has emerged as the largest engineering and scientific firm in the world specializing in investigating failures and disasters. Our computerized accident and incident databases alone contain over 350,000,000 records. Over the past 35 years, we have learned some important lessons that we believe should be part of every formal engineering curriculum, and a few of the most important for innovators will be discussed in this lecture.
Cases
of spectacular engineering innovation, such as
the design and construction of the Titanic, the
Piper Alpha platform in the North Sea, and the
Space Shuttle Challenger, will be used to illustrate
lessons gained from these remarkable engineering
feats. The next generation of innovators will be
taking the lead to raise our technologies to the
next level and will be challenged to remember that
while they often can and must "think outside
the box" Mother Nature never leaves "the
box." Inventors can attempt to operate outside
the heuristic "six-sided space" formed
by the three laws of thermodynamics and three laws
of motion, but only at their peril. The Lecture Series on Innovation was established in 1995 through an endowment from Mr. Harold W. Gegenheimer (Class of 1933) to support student programs that encourage creativity, innovation, and design. Through the lecture series and support of capstone design projects, students are exposed to processes that stimulate creativity and lead to inventions and patents. The previous Gegenheimer lecturers were:
About the Woodruff School The
Woodruff School of Mechanical Engineering is the
oldest and second largest of the nine divisions
in the College of Engineering at Georgia Tech.
The School offers academic and research programs
in mechanical engineering, nuclear and radiological
engineering, and health physics. The enrollment
includes about 1350 undergraduates and more than
650 graduate students. Studies are directed by
a full-time staff of 83 professors, 23research
faculty, and 4academic professionals, who are supported
by 52 staff members. The George W. Woodruff School
of Mechanical Engineering is the only educational
institution to be designated an ASME Mechanical
Engineering Heritage Site. For more information
about the Woodruff School contact:
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