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Creator | Title | Description | Subject | Date |
| 151 |
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Hibler, Michael J. | Isolation of malicious external inputs in a security focused adaptive execution environment | Reliable isolation of malicious application inputs is necessary for preventing the future success of an observed novel attack after the initial incident. In this paper we describe, measure and analyze, Input-Reduction, a technique that can quickly isolate malicious external inputs that embody unfore... | | 2013-01-01 |
| 152 |
 |
Kirby, Robert Michael | GPU-based volume visualization from high-order finite element fields | This paper describes a new volume rendering system for spectral/hp finite-element methods that has as its goal to be both accurate and interactive. Even though high-order finite element methods are commonly used by scientists and engineers, there are few visualization methods designed to display thi... | | 2014-01-01 |
| 153 |
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Bargteil, Adam Wade | Multiphase flow of immiscible fluids on unstructured moving meshes | In this paper, we present a method for animating multiphase flow of immiscible fluids using unstructured moving meshes. Our underlying discretization is an unstructured tetrahedral mesh, the deformable simplicial complex (DSC), that moves with the flow in a Lagrangian manner. Mesh optimization opera... | | 2014-01-01 |
| 154 |
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Kirby, Robert Michael | Verifying volume rendering using discretization error analysis | We propose an approach for verification of volume rendering correctness based on an analysis of the volume rendering integral, the basis of most DVR algorithms. With respect to the most common discretization of this continuous model (Riemann summation), we make assumptions about the impact of parame... | | 2014-01-01 |
| 155 |
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Hansen, Charles D. | Transfer function design based on user selected samples for intuitive multivariate volume exploration | Multivariate volumetric datasets are important to both science and medicine. We propose a transfer function (TF) design approach based on user selected samples in the spatial domain to make multivariate volumetric data visualization more accessible for domain users. Specifically, the user starts the... | | 2013-01-01 |
| 156 |
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Khan, Faisal Habib | Maximum power point tracking of stirling generator and ocean wave energy conversion systems using a two-stage power converter | Wave energy has become one of the most promising renewable energy resources nowadays. By using a linear generator/alternator, the periodic piston motion of the wave energy conversion system (WEC) can be converted to AC voltage with variable RMS amplitude and frequency; this process is comparable to ... | | 2013-01-01 |
| 157 |
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Bronson, Jonathan Richard | Lattice cleaving: a multimaterial tetrahedral meshing algorithm with guarantees | We introduce a new algorithm for generating tetrahedral meshes that conform to physical boundaries in volumetric domains consisting of multiple materials. The proposed method allows for an arbitrary number of materials, produces high-quality tetrahedral meshes with upper and lower bounds on dihedral... | | 2014-01-01 |
| 158 |
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Rieth, Loren W | Bi-layer encapsulation of Utah array based nerual interfaces by atomic layer deposited Al2O3 and parylene C | We present a novel coating method that combines atomic layer deposited Al2O3 and Parylene C for encapsulation of biomedical implantable devices, focusing on its application on Utah electrode array based neural interfaces. The alumina and Parylene C bi-layer encapsulated wired Utah electrode array sh... | | 2013-01-01 |
| 159 |
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Harman, Todd B. | Multiscale modeling of accidental explosions and detonations | Accidental explosions are exceptionally dangerous and costly, both in lives and money. Regarding worldwide conflict with small arms and light weapons, the Small Arms Survey has recorded more than 297 accidental explosions in munitions depots across the world that have resulted in thousands of deaths... | | 2013-01-01 |
| 160 |
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Liu, Feng | Strain-engineered surface transport in Si(001): complete isolation of the surface state via tensile strain | By combining density functional theory, nonequilibrium Green's function formulism and effective- Hamiltonian approaches, we demonstrate strain-engineered surface transport in Si(001), with the complete isolation of the Si surface states from the bulk bands. Our results show that sufficient tensile s... | | 2013-01-01 |
| 161 |
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Hansen, Charles D. | Evaluation of depth of field for depth perception in DVR | In this paper we present a user study on the use of Depth of Field for depth perception in Direct Volume Rendering. Direct Volume Rendering with Phong shading and perspective projection is used as the baseline. Depth of Field is then added to see its impact on the correct perception of ordinal depth... | | 2013-01-01 |
| 162 |
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Khan, Faisal Habib | PV faults: Overview, modeling, prevention and detection techniques | Recent PV faults and subsequent fire-hazards on April 5, 2009, in Bakersfield, California, and April 16, 2011, in Mount Holly, North Carolina provide evidence of a lack of knowledge among PV system manufacturers and installers about different PV faults. The conducted survey within the scope of this ... | | 2013-01-01 |
| 163 |
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Khan, Faisal Habib | PV ground-fault detection using spread spectrum time domain reflectometry (SSTDR) | A PV ground-fault detection technique using spread spectrum time domain reflectometry (SSTDR) method has been introduced in this paper. SSTDR is a reflectometry method that has been commercially used for detecting aircraft wire faults. Unlike other fault detection schemes for a PV system, ground fau... | | 2013-01-01 |
| 164 |
 |
Khan, Faisal Habib | Transfer function mapping for a grid connected PV system using reverse synthesis technique | Mathematical modeling of power electronic converters is a historical problem. Numerous efforts have been documented in literature to model different converter topologies and their control schemes since the 1940s. Traditional modeling approaches avoid transfer function derivation due to high degree o... | | 2013-01-01 |
| 165 |
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Gopalakrishnan, Ganesh | Visual analysis of uncertainties in ocean forecasts for planning and operation of off-shore structures | We present a novel integrated visualization system that enables interactive visual analysis of ensemble simulations used in ocean forecasting, i.e, simulations of sea surface elevation. Our system enables the interactive planning of both the placement and operation of off-shore structures. We illust... | | 2013-01-01 |
| 166 |
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Liu, Feng | Effects of Li doping on H-diffusion in MgH2: A first-principles study | The effects of Li doping in MgH2 on H-diffusion process are investigated, using first-principles calculations. We have identified two key effects: (1) The concentration of H vacancy in the þ1 charge state ðVþ1 H Þ can increase by several orders of magnitude upon Li doping, which significantly in... | | 2013-01-01 |
| 167 |
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Mathews, V. John | Blind identification of QAM signals using a likelihood-based algorithm | This paper presents a method for automatically identifying different QAM modulations. This method identifies the modulation type as the hypothesis for which the likelihood function of the amplitudes of the received signal is the maximum. The derivation of the likelihood functions assumes additive wh... | | 2013-01-01 |
| 168 |
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Henderson, Thomas C. | Analysis of topographic maps for recreational purposes using decision trees | In this paper we describe a method for predicting the subjective quality of a new mountain bike route for a particular subject based on routes previously ridden and ranked by the subject. GPS tracks of the previously ridden routes are over laid on rasterized topographic maps and topographic features... | | 2013-01-01 |
| 169 |
 |
Khan, Faisal Habib | Design and simulation of contour mode MEMS resonator on Si for power converters | Microelectromechanical systems (MEMS) resonators on Si have the potential to replace the discrete passive components in a power converter. These devices not only can reduce the size and weight of the converter but also can facilitate the implementation of power converter on a chip. In this paper, a ... | | 2013-01-01 |
| 170 |
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Bargteil, Adam Wade | Dynamic sprites | Traditional methods for creating dynamic objects and characters from static drawings involve careful tweaking of animation curves and/or simulation parameters. Sprite sheets offer a more drawing-centric solution, but they do not encode timing information or the logic that determines how objects shou... | | 2013-01-01 |
| 171 |
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Ring, Terry Arthur | Room temperature co-precipitation synthesis of magnetite nanoparticles in a large pH window with different bases | Magnetite nanoparticles (Fe3O4) represent the most promising materials in medical applications. To favor high-drug or enzyme loading on the nanoparticles, they are incorporated into mesoporous materials to form a hybrid support with the consequent reduction of magnetization saturation. The direct sy... | | 2013-01-01 |
| 172 |
 |
Khan, Faisal Habib | Reliability analysis and performance degradation of a boost converter | In general, power converters are being operated in closed-loop systems, and any characteristic variations in one component will simultaneously alter the operating point of other components resulting in a shift in overall reliability profile. This interdependence makes the reliability of a converter ... | | 2013-01-01 |
| 173 |
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Lawton, Evert C. | A review of shear stress sign convention in interpreting Mohrs circle | The pole of planes method is a popular technique for interpreting Mohr's circle to determine the stresses (normal and shear) on planes of differing rotations in 2-D space. A survey of undergraduate textbooks on soil mechanics shows differing viewpoints on the sign convention for interpreting the she... | | 2012-01-01 |
| 174 |
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Ricci, Robert | A survey of computing migration | | | 2010-02-26 |
| 175 |
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Yang, Haori | Pulsed photofission delayed gamma ray detection for nuclear material identification | Innovative systems with increased sensitivity and resolution are in great demand to detect diversion and to prevent misuse in support of nuclear materials management for the U.S. fuel cycle. Nuclear fission is the most important multiplicative process involved in non-destructive active interrogation... | | 2012-01-01 |
