Theses and Dissertations
The application of advanced hydrodynamic analyses in ship design.
(Monterey California. Naval Postgraduate School, 1998)
Recent advances in computational hydrodynamics offer the opportunity to incorporate more accurate analyses earlier in the ship design process. In particular, significant work has been conducted towards the prediction of ...
Metallization of CVD diamond using metal oxide intermediate layers for electronics packaging
(Monterey, California. Naval Postgraduate School, 1997-03)
The high thermal conductivity of chemically vapor deposited CVD diamond (up to 2000 W/m/K) and its low dielectric constant (approx. 5.6) makes it highly desirable for use as an electronics packaging substrate material. To ...
An experimental study of the response of small tunnel thrusters to triangular and square wave inputs
(Monterey, California. Naval Postgraduate School, 1992-12)
The response of small tunnel thrusters to triangular and square wave changes in applied voltages to the thruster motor is studied. Previous mathematical models have attempted to identify the dynamic characteristics in ...
Transportability analysis of the M119 Howitzer in the firing configuration
(Monterey, California. Naval Postgraduate School, 1993-09)
This study was undertaken to determine if the US Army's M119 Howitzer could be safely towed in the 'firing' position using the existing A-Frame brace to support the gun tube during movement. A computer model of the howitzer ...
Finite element model updating and damage detection using artificial boundary conditions
(Monterey, California: Naval Postgraduate School, 1999-03)
An experimental test of a structure results in a database of frequency response functions from which natural frequencies and mode shapes are identified for the given boundary conditions of the test. The natural frequencies ...
An X-ray diffraction investigation of infinity-Al2O3 addition to yttria stabilized zirconia (YSZ) thermal barrier coatings subject to destabilizing vanadium pentoxide (V2O5) exposure
(Monterey, California. Naval Postgraduate School, 1993-09)
Since the mid 1970's the U.S. Navy has used Yttria-stabilized zirconia ( YSZ ) as thermal barrier coatings for hot stage gas turbine components. Use of low cost, high contaminant, fuels has led to shortened component life ...
Modelling experimental procedures for manipulator calibration
(Monterey, California. Naval Postgraduate School, 1991-12)
A six-degree of freedom manipulator, a PUMA 560, is calibrated using three different measurement systems in order to improve the accuracy of the manipulator. Closed loop kinematic chain modeling theory is presented. ...
Simulation and modeling of a soft grounding system for an AUV
(Monterey, California: Naval Postgraduate School, 1999-06)
Energy storage is very limited in AUV's. To assist with energy management, data gathering missions have been proposed where the vehicle should sit on the bottom and gather acoustic/video/chemical data over extended periods ...
Biomechanical response of the human body inside a military vehicle exposed to mine explosion
(Monterey, California. Naval Postgraduate School, 1998-12)
Biomechanical response of the human body inside a military vehicle exposed to AP mine explosion was studied using the finite element method. The main focus was placed on evaluation of the injury potential of the human body, ...
Computer simulation of random and non-random second-phase distributions in two-phase materials
(Monterey, California: Naval Postgraduate School, 1990-12)
The mechanical properties of any material with a discontinuous second phase dispersed in a matrix are recognized to be influenced by the distribution of the second-phase particles. Current models for the prediction of ...
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Mechanical Engineering (448)