Search results for "ComputingMethodologies_SIMULATIONANDMODELING"

showing 10 items of 24 documents

Nonlocal Second Order Vehicular Traffic Flow Models And Lagrange-Remap Finite Volumes

2011

In this paper a second order vehicular macroscopic model is derived from a microscopic car–following type model and it is analyzed. The source term includes nonlocal anticipation terms. A Finite Volume Lagrange–remap scheme is proposed.

Vehicular traffic flow modeling car–following Lagrange–remap microscopic - macroscopic finite volumesMicroscopic traffic flow modelHardware_MEMORYSTRUCTURESFinite volume methodComputingMethodologies_SIMULATIONANDMODELINGComputer scienceMacroscopic modelApplied mathematicsOrder (group theory)Statistical physicsType (model theory)Car followingTerm (time)
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VoIP end-to-end performance in HSPA with packet age aided HSDPA scheduling

2008

In this paper, we present an enhanced VoIP scheduling for the high speed downlink packet access (HSDPA) in UMTS, which takes the age of the VoIP packet into account. The downlink capacity can be significantly improved by this way, especially for shorter uplink transmission delay. In order to quantify the achievable performance improvement, we present results obtained from extensive system-level uplink and downlink simulations. Inter alia, it is shown that using the proposed scheme can lead to an increase in the downlink cell capacity of up to 16%. By applying the proposed method, the downlink performance can be improved considerably while the uplink performance remains the same, which ensur…

Voice over IPComputingMethodologies_SIMULATIONANDMODELINGComputer sciencebusiness.industryCode division multiple accessNetwork packetComputerSystemsOrganization_COMPUTER-COMMUNICATIONNETWORKSReal-time computingHigh-Speed Downlink Packet Accessscheduling performance analysisData_CODINGANDINFORMATIONTHEORYScheduling (computing)Channel capacityEnd-to-end principleHSPATelecommunications linkbusinessUMTS frequency bandsComputer network2008 IEEE 19th International Symposium on Personal, Indoor and Mobile Radio Communications
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Few-body problems in nuclear astrophysics

2005

Few-body methods provide very useful tools to solve different problems important for nuclear astrophysics. Some of them are discussed below.

Nuclear reactionPhysicsNuclear and High Energy PhysicsComputerSystemsOrganization_COMPUTERSYSTEMIMPLEMENTATIONComputingMethodologies_SIMULATIONANDMODELINGNuclear TheoryAstrophysics::Instrumentation and Methods for AstrophysicsNuclear structure8B formation; nuclear reactions; triple collisionsComputerApplications_COMPUTERSINOTHERSYSTEMSFew-body systemsNuclear physicsNuclear astrophysicsNuclear ExperimentJournal of Physics G: Nuclear and Particle Physics
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Horizons: Nuclear Astrophysics in the 2020s and Beyond

2022

Nuclear astrophysics is a field at the intersection of nuclear physics and astrophysics, which seeks to understand the nuclear engines of astronomical objects and the origin of the chemical elements. This white paper summarizes progress and status of the field, the new open questions that have emerged, and the tremendous scientific opportunities that have opened up with major advances in capabilities across an ever growing number of disciplines and subfields that need to be integrated.We take a holistic view of the field discussing the unique challenges and opportunities in nuclear astrophysics in regards to science, diversity, education, and the interdisciplinarity and breadth of the field…

High Energy Astrophysical Phenomena (astro-ph.HE)Nuclear and High Energy PhysicsNuclear TheoryComputingMethodologies_SIMULATIONANDMODELINGastrofysiikkaStarke Wechselwirkung und exotische Kerne – Abteilung BlaumWhite PaperFOS: Physical sciencesReviewtutkimustoimintatutkimuskohteet530Nuclear Theory (nucl-th)Astrophysics - Solar and Stellar AstrophysicsNuclear astrophysicsddc:530Nuclear Experiment (nucl-ex)ydinfysiikkaAstrophysics - High Energy Astrophysical PhenomenaNuclear ExperimenttiedeyhteisötSolar and Stellar Astrophysics (astro-ph.SR)
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The Polynominal Approximation in Design of Rectification of the Roadway Overhead Crane

1993

In this chapter a new method for processing surveying results of the overhead crane in horizontal plane is presented.

RectificationComputingMethodologies_SIMULATIONANDMODELINGComputer scienceMechanical engineeringComputerApplications_COMPUTERSINOTHERSYSTEMSOverhead craneHardware_CONTROLSTRUCTURESANDMICROPROGRAMMINGHorizontal planeAutomotive engineering
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UML-Based Metamodeling for Information System Engineering and Evolution

2003

In modelers’ practice metamodels have become the core of UML-based metamodeling environments: metamodels form the basis of application domain descriptions, and they are instantiated into models. In the context of information system engineering and interoperability, we have developped two operations on metamodels: metamodel integration and measure of semantical distance between metamodels. In this paper, we explore application of these operations to information systems’ evolution.

Measure (data warehouse)ComputingMethodologies_SIMULATIONANDMODELINGbusiness.industryComputer scienceInteroperabilityContext (language use)MetamodelingUnified Modeling LanguageSoftware_SOFTWAREENGINEERINGApplication domainInformation systemSoftware_PROGRAMMINGLANGUAGESSoftware engineeringbusinesscomputerAlgorithmSoftware architecture descriptioncomputer.programming_language
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THE TOPOLOGY OF BASIN BOUNDARIES IN A CLASS OF THREE-DIMENSIONAL DYNAMICAL SYSTEMS

1996

We will develop new methods to determine the topology of the basin boundary in a class of three-dimensional dynamical systems. One approach is to approximate the basin boundary by backward integration. Unfortunately, there are dynamical systems where it is hard to approximate the basin boundary by a numerical backward integration algorithm. We will introduce topological methods which will provide new information about the structure of the basin boundary. The topological invariants which we will use can be numerically computed.

Class (set theory)Dynamical systems theoryComputingMethodologies_SIMULATIONANDMODELINGApplied MathematicsStructure (category theory)Boundary (topology)ComputerApplications_COMPUTERSINOTHERSYSTEMSStructural basinTopologyModeling and SimulationTopological invariantsIntegration algorithmEngineering (miscellaneous)Physics::Atmospheric and Oceanic PhysicsTopology (chemistry)MathematicsInternational Journal of Bifurcation and Chaos
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Driver Situation Awareness and Perceived Sleepiness during Truck Platoon Driving–Insights from Eye-tracking Data

2021

Truck platoon driving technology uses vehicle-to-vehicle communication to allow one truck to follow another in an automated fashion. The first vehicle is operated manually, the second vehicle is dr...

TruckSituation awarenessComputingMethodologies_SIMULATIONANDMODELINGComputer science05 social sciencesComputerApplications_COMPUTERSINOTHERSYSTEMSHuman Factors and ErgonomicsComputer Science ApplicationsHuman-Computer InteractionAeronauticsPsychologie0502 economics and businessEye tracking050211 marketing0501 psychology and cognitive sciencesPlatoon050107 human factors
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On Fuzzy Stochastic Integral Equations—A Martingale Problem Approach

2011

In the paper we consider fuzzy stochastic integral equations using the methods of stochastic inclusions. The idea is to consider an associated martingale problem and its solutions in order to obtain a solution to the fuzzy stochastic equation.

Doob's martingale inequalityStratonovich integralMathematical optimizationContinuous-time stochastic processComputingMethodologies_SIMULATIONANDMODELINGMathematicsofComputing_NUMERICALANALYSISLocal martingaleMartingale difference sequenceStochastic optimizationMartingale (probability theory)Fuzzy logicMathematics
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"Table 10" of "Properties of hadronic Z decays and test of QCD generators"

1992

Thrust distribution.

ComputingMethodologies_SIMULATIONANDMODELINGE+ E- --> HADRONSE+ E- --> Z0E+ E- ScatteringComputingMilieux_COMPUTERSANDEDUCATIONExclusiveComputerApplications_COMPUTERSINOTHERSYSTEMS91.2DN/DTHRUSTSingle Differential DistributionComputerSystemsOrganization_PROCESSORARCHITECTURES
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