Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 33 for “"Simulation Systems"”.
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Enhancements to Transportation Analysis and Simulation Systems
… as TRANSIMS. The Transportation Analysis and Simulation System, or TRANSIMS, is an integrated system of travel forecasting models designed to give transportation planners accurate, and complete information on traffic impacts, congestion, and pollution. It was developed by the Los Alamos …
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A Holistic Usability Framework For Distributed Simulation Systems
… a holistic usability framework for distributed simulation systems (DSSs). The framework is developed considering relevant research in human-computer interaction, computer science, technical writing, engineering, management, and psychology. The methodology used consists of three steps: (1) …
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Digital Control Techniques for High Fidelity Haptic Simulation Systems
Haptic simulation systems allow human users to kinesthetically interact with virtual environment models through a robotic mechanism known as a haptic interface. The sampled-data nature of haptic interfaces limits the range of virtual environment dynamics that can be stably rendered in a haptic …
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A Middleware for Large-scale Simulation Systems & Resource Management
Socially coupled systems are comprised of inter-dependent social, organizational, economic, infrastructure and physical networks. Today's urban regions serve as an excellent example of such systems. People and institutions confront the implications of the increasing scale of information becoming …
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The Use Of Pc Based Simulation Systems In The Training Of Army Infantry Officers - An Evaluation Of The Rapid Decision Trainer
This research considers two modes of training Army infantry officers in initial training to conduct a platoon live fire exercise. Leaders from groups that were training with the current classroom training methods were compared to leaders from groups whose training was augmented with a PC based …
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Uncoupled Stability of Haptic Simulation of Viscoelastic Virtual Environments
Haptic simulation systems enable users to kinesthetically interact with virtual environments through interaction with a robotic mechanism, known as a haptic device. Application of these systems are in medical simulators, robotic rehabilitation, and entertainment. Viscoelastic medium is a common …
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A Database Supported Modeling Environment for Pandemic Planning and Course of Action Analysis
… the historic epidemic data, computational simulation of epidemic propagation processes and disease control strategies can help us understand the spatio-temporal dynamics of epidemics in the laboratory. Consequently, the public can be better prepared and the government can control future …
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A Sparse Program Dependence Graph For Object Oriented Programming Languages
… program analysis. Finally, we introduce the Simulation Dependence Graph (SDG). The SDG is a related representation that is developed specifically to represent simulation systems, but is extensible to more general component-based software design paradigms. The SDG allows formal reasoning about …
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Scalable, probabilistic simulation in a distributed design environment
Integrated simulations have been used to predict and analyze the integrated behavior of large, complex product and technology systems throughout their design cycles. During the process of integration, uncertainties arise from many sources, such as material properties, manufacturing variations, …
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Dynamic load balancing of parallel road traffic simulation
… parallel execution of microscopic road traffic simulations. Urban road traffic simulation presents irregular, and dynamically varying distributed computational load for a parallel processor system. The dynamic nature of road traffic simulation systems lead to uneven load distribution during …
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A Programming Model For Optimism
… the throughput of most aspects of computing systems. However, latency is being held back by the speed of light, particularly in distributed systems. Optimistic algorithms that "guess" the results of operations and proceed in parallel with confirmation of the guess are an effective way to hide …
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Energy Proportional Future Chip-to-chip Computing Interconnect Designs
Multichiplet systems can be utilised to build a flexible, reconfigurable board-level computing platform with enhanced resource consumption and energy efficiency. Optical interconnects feature high IO capacity, distance-independent energy consumption, and low-delay connection. Optical linking fabric …
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Discrete element computation : algorithms and architecture
… major computational obstacle in discrete element simulation is the automatic detection of contacts between bodies. For large simulations, the complexity of the contact detection process is driven by the general spatial reasoning problem of neighbor searching, in which candidate intersection pairs …
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Minimally invasive instrument for in vivo measurement of solid organ mechanical impedance
… particular, are turning to engineers to develop systems that help them learn their craft better. Mannequin-based systems, animal labs and surgery on cadavers each have drawbacks that could be addressed through realistic computer-based surgical simulation systems. To generate a simulation that …
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Multi-Level Coarse-Grained Modelling on DNA Functionalised Building Blocks
… the formation of varied DNA functionalised systems, such as DNA liquid crystals, DNA hydrogels or DNA functionalised micelles, amongst other DNA-based materials. The properties of these large-scale DNA-based systems are hard to represent by experiments owing to technical limits and cost …
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Active Library Resolution in Active Networks
… using this experimental platform and a simulation system. The two protocol components that were built and studied are the active transport protocol and the active library resolution protocol. The experimental and simulation systems were used to evaluate the extensibility, overhead, …
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Anthropogenic modification of the natural fire landscape and its consequences for vegetation patterns on the Cape Peninsula
… Peninsula. The two multi-model, fire behaviour simulation systems I use are FlamMap and FARSITE. FARSITE is a deterministic simulation package used globally for discrete event simulation. In an effort to assess the viability of using the FARSITE model for fire prediction in fynbos and the …
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Dynamic modelling of SOFC marine power systems and shipboard applications
… shipboard installation of SOFC power systems is not available. Can the SOFC be a viable proposition for commercial shipping and how will it behave under severe seagoing circumstances? These questions need to be addressed before commercialising SOFC marine power systems. In the thesis, …
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Integrated Mobility and Service Management for Network Cost Minimization in Wireless Mesh Networks
… network communication cost incurred and build simulation systems for validating the results obtained from analytical modeling. We identify optimal design settings under which the network cost is minimized for our mobility and service management protocols in WMNs. Intensive comparative …
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A Molecular Dynamics Study of Sessile Droplet Evaporation
We employ molecular dynamics simulations to investigate the evaporation process of nanosized droplets adsorbed on a substrate. Beads interacting with each other via Lennard-Jones (LJ) potentials are used to construct the simulation systems. The solid substrate contains 6 layers of beads forming a …
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