Beginning with the basic equations from the theory of elasticity
and employing a model of crack propagation based on the concept of
a constant plastic energy absorption per unti of crack extension, the
commonly accepted power law of fatigue crack propagation was derived.
This derivation uses an extension of the...
The mechanical properties of materials at cryogenic temperatures
have been the subject of increasing interest during the past few
years, although very little actual materials testing has been done at
extremely low temperatures because of the high cost and low heat of
vaporaization of liquid helium. Recently, the Department of...
This report is one of a series issued in cooperation with the ANC-23 Panel on Composite Construction for Flight Vehicles of the Departments of the Air Force, Navy, and Commerce. Original report issued October 1958. Information reviewed and reaffirmed 1965.
This report is one of a series issued in cooperation with the Air Force-Navy-Civil Subcommittee on Aircraft Design Criteria under the supervision of the Aircraft Committee of the Munitions Board.
This thesis describes research to implement a Bayesian belief network based
expert system to solve a real-world diagnostic problem troubleshooting integrated
circuit (IC) testing machines. Several models of the IC tester diagnostic problem
were developed in belief networks, and one of these models was implemented
using Symbolic Probabilistic Inference (SPI)....
