Abstract:… erosion and debris transport caused by lunar surface rocket plume impingement. This simulation system combines 1) a unified continuum-rarefied flow solver capable of simulating plume impingement flow in lunar vacuum, 2) granular solid-fluid interaction simulation … more
Abstract:…sed. This work will investigate the use of both rotor state feedback and enhanced ship motion sensing systems for providing improved disturbance rejection during DI launch and recovery operations. Test data from both hardware concepts will be incorporated into simulation … more
Abstract:… as a simulation tool is addressed in this proposal. Improved mathematical models are proposed which provide the flexibility to model diverse environments, and to do so more accurately than current models, for both stationary and non-stationary channels. Two simulation… more
Abstract:…tegrate existing commercial electronic unit injectors into one of Mainstream's existing large engines and design a control strategy to maximize performance and efficiency. After the benefits of unit injection have been demonstrated with bench-scale tests and simulation … more
Abstract:… on mental health services, and considerable pressure exists on U.S. payers, especially public payers, to deliver efficient and cost-effective mental health services. In such resource-constrained, cost-conscious
environments the proposed discrete-event simulation … more
Abstract:…he operation of a hydrogen-filled cavity will be made as a function of the external magnetic field and charged particle beam intensity; (2) a pressurized RF cavity will be designed, built, and tested; and (3) beam-induced gas breakdown will be studied by improving simulation … more
Abstract:… architecture with portable battery powered radios with limited transmission power capabilities. The architecture will be specifically optimized to deliver a text-based chat service, and when possible a voice-based Push-To-Talk service. In Phase I of the project a … more
Abstract:In the Open-source microscopic traffic simulation models project, a component based software framework is proposed to re-engineer CORISM data struture and CORISM interface. Under the architecture combing the innovative framework and the legacy CORISM,… more
Abstract:In this project, a software framework will be developed for managing risk and uncertainty in the design of undersea weapons systems. Uncertainties always exist during the design process because of a lack of knowledge about system inputs and because the simulation … more
Abstract:… reduces cost but also offers flexibility in future maintenance and upgrades because of its modular design. In Phase I POC will demonstrate the feasibility of the W-DOC system by designing, fabricating, and testing a prototype system and establishing a simulation … more
Abstract:The TEXAS Model for Intersection Traffic is a high-quality single-intersection microscopic traffic simulation model developed at The University of Texas at Austin. It analyzes in sub microscopic detail the behavior of driver-vehicle units as they go through… more
Abstract:… networks, particularly as they are scaled up to configurations that include many thousands of radios. The proposed framework will be built using advanced hardware/software-in-the-loop simulation technologies that support the integration of high-fidelity simulation … more
Abstract:Technologies that enable the remote detection, identification, and quantification of trace chemical species in the atmosphere can provide critical information for uncovering activities associated with proliferation of weapons of mass destruction (WMD). Passive detection techniques use infrared and… more
Abstract:… sensors configured on devices subjected to explosive events. A development methodology based upon these prior designs forms the basis for further development to address the data collection for high speed warheads, and subsequently provide high fidelity data to simulation… more
Abstract:Flutter is a potentially explosive phenomenon that is the result of the simultaneous interaction of aerodynamic, structural, and inertial forces. The analytical prediction of flutter in the transonic regime requires high fidelity simulation models that are… more
n a piecemeal approach to solving large, systemic problems, especially those related to an aging workforce. By showing the full consequences of decisions, actions, and policies within organizations for both the short-term and long-term, the system dynamics
simulation … more
Abstract:…, and material forecasting are simply not capable of handling a great deal of uncertainty or changing events. On this effort, viaSim proposes to develop an agent-based supply chain simulation tool called SimBLOX that will allow users to build macro-level simulation … more
Abstract:… given by the user. The tool will allow the users to allocate SATCOM carriers and assess transponder bandwidth for the SATCOM design and evaluation for the acquisition process. To evaluate the network performances, the toolset provides a high-fidelity network simulation… more
Abstract:…, refine, and extend a particularly successful implicit/hybrid code, ePLAS, distributing it throughout the Department of Energy community, academia, and industry, to hasten success in achieving fusion energy via Fast Ignition. Early versions of the new computer simulation … more
Abstract:Existing Core simulation models used for defense development and evaluation fail to accurately model lethality for many standoff engagement options such as the use of multiple projectiles and thus cannot validly drive new defense technology development. This… more
Abstract:…hearing protection in extremely high noise fields. The Phase I research program made great progress toward this goal by yielding new insights into a mechanism believed to be a significant contributor to BC sound transmission. This has been achieved through FE simulation … more
Abstract:… maritime rotorcraft, heavy lift, and VTOL UAV, while ART will focus on simulation development and criteria evaluation. The simulation development will be performed in FLIGHTLAB and will address three primary aspects. One is the high fidelity helicopter simulation … more
Abstract:…. Using an emphasis on experimentation, the geo-simulation toolkit will help students in the social sciences and geography gain an intuitive grasp of the scientific method as they work with the model. One of the most important aspects of the proposed work is that simulation… more
Abstract:… framework for cultural landscape analysis and visualization software. These will combine to enable users to create simulated population representations that can be updated with new culturally relevant information. In Phase II, CASMIRR will be integrated with a simulation… more
Abstract:…, resources, and provide feedback to planners on optimizing assembly planning and sequencing. However, use of simulations is limited due to the long set-up times and steep learning curve. The team will investigate the possibility of automating the creation of a simulation… more
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