Modeling tire-snow interaction is important in designing effective snow tires, which directly affects road safety during wintry weather. Unfortunately, tires have complex tread designs and the physical properties of snow have not been characterized. We employ the Material Point Method (MPM) for simulating a material that mimics the fracturing and...
With the success of the CounterDataFlow Pipeline microarchitecture developed by Oregon State University, there is increasing demand for a highly flexible high-level simulator modeling tool to support the further expansions and studies of the Counterflow pipeline processors family. This work examines the implementation of a Java-based execution-driven simulator modeling tool,...
The focus of this research concentrates on enhancement
of the LOGSIM mechanized log harvesting system
simulator. Enhancement of software focuses on overall
improvement of the user environment as well as improvement
of the performance and capabilities of the simulation
package.
An enhanced version of the front-end interface
program is developed...
This thesis presents a discussion of motion of a six-legged walking
machine following removal of one leg constraint. To take a step, one leg
must be lifted and placed at some other position. As soon as the constraint
provided by the leg is removed, however the machine begins to fall....
A model to simulate the dry-process pressing of wood
composites is presented. The model uses as its starting
point a pre-existing mass and heat transfer model.
A number of furnish material properties, including
fluid permeability, thermal conductivity, hygroscopicity and
rheological parameters, are reviewed and modified for use in
the pressing...
The Transient Reactor Test facility (TREAT) at Idaho National Laboratory (INL) is a unique reactor capable of stressing test fuel during a power pulse transient. TREAT fuel is composed of high enriched uranium (HEU) heterogeneous fuel; microscopic UO₂ fuel grains with an average radius of 10 μm are randomly distributed...
The finite element software framework, OpenSees, has been used by researchers
to simulate the response of structural and geotechnical systems to earthquake loading. Implementation of the Particle Finite Element Method (PFEM) has made it possible to simulate hydrodynamic forces through fluid-structure interaction (FSI) in OpenSees. To validate the FSI implementation...
REGTRAN (REGister TRANsfer), a hardware description
language and SYSSIM (SYStems SIMulation), a simulator for the
system described by REGTRAN were originally developed by Edward
Pett, Jr [33] at the University of Texas at Austin. These two programs
are successfully used to simulate many digital systems of
complex nature. It is...
A computer simulation program, which runs efficiently on
micro-computers, for the diffusion of point defects in the diamond
and zincblende structure was developed. The simulated point
defects comprise vacancies, host or impurity interstitials on any
of three types of interstitials sites, and impurities. Diffusion
via vacancy first and second neighbor...
This study includes an analytical solution to the wave-current
barrier interaction problem and large scale experiments to validate the
theory.
The boundary value problem is solved mathematically by characterizing
the flow field and barrier motion separately, then coupling
the relationships with the appropriate kinematic and dynamic boundary
conditions.
The flow...
