Theses and Dissertations
Effects of positional information time lags on motion stability of autonomous vehicles.
(Monterey, California. Naval Postgraduate School, 1992-09)
Highly maneuverable ocean going vehicles require quick response, control, and
guidance to maintain accurate track keeping characteristics. Ocean vehicles, however, may
experience significant lags in their inertial ...
Spray generation from free and half-free jets
(Monterey, California. Naval Postgraduate School, 1999-03)
This is an experimental investigation of the ligament and drop formation at the free surface of wall jets, flowing over sand-roughened plates, and on unbounded two-dimensional jets, discharging into atmosphere. Experiments ...
Progressive failure modeling in notched cross-ply fibrous composites
(Monterey, California. Naval Postgraduate School, 1999-03-01)
The objective of this study was to model and simulate progressive failure initiating from a notch tip in a laminated fibrous composite subjected to tensile in-plane loading. The micro/macro-level approach was used for this ...
Uniform flow past a rigid sphere by the spectral numerical methods
(Monterey, California. Naval Postgraduate School, 1997-03)
A steady, axially symmetric, incompressible, viscous flow past a rigid sphere is numerically simulated by using a numerical scheme, based on spectral methods. The equations have been reduced to two sets of nonlinear second ...
Sensor development for intelligent processing of age hardenable aluminum alloys
(Monterey, California. Naval Postgraduate School, 1995-03)
The objective of this research is to further develop a sensor system which can be used to continuously monitor the aging response of heat treatable aluminum alloys. This type of system would allow for 'real time' evaluation ...
Numerical simulation of flow induced by a spinning sphere using spectral methods
(Monterey, California. Naval Postgraduate School, 1997-03)
A direct numerical simulation, based on spectral methods, has been used to investigate viscous, incompressible, steady, rotationally symmetric flow due to a sphere rotating with a constant angular velocity about a diameter. ...
Effect of fluid mesh truncation on the response of a Floating Shock Platform (FSP) subjected to an Underwater Explosion (UNDEX)
(Monterey, California. Naval Postgraduate School, 1999-09)
Shock trials are required for the lead ship of each new construction shock hardened ship class. The Navy's Floating Shock Platform (FSP) is used in the acceptance of mission essential items for installation aboard shock ...
Spray generation
(Monterey, California. Naval Postgraduate School, 1999-09)
This is an experimental investigation of the ligaments and drops generated at the free surface of liquid wall jets and liquid axisymmetric jets flowing over sand and polystyrene (beads) roughed surfaces. Experiments were ...
Sensitivity analysis of transient and steady state characteristics of surface ship progressive flooding
(Monterey, California. Naval Postgraduate School, 1999-09)
The Navy's primary analysis of damage control and stability to date has been under static conditions. Dynamic effects, such as progressive flooding, and the dynamic damage control procedures, such as hole patching and ...
A methodology for design of passive isolation for ship/barge connection
(Monterey, California. Naval Postgraduate School, 1999-09-01)
Current ramp designs used in RORO operations have been determined to be structurally inadequate in Sea-State 3. The main reason for this is that when the ramp is loaded with two vehicles, the relative motions between the ...
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Mechanical Engineering (448)