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 17 of 17 for “"Coupled simulation"”.
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Coupled simulation of loading and response of columns under extreme events
… with circular and square cross sections. Then, simulations will be performed to determine the flow field around columns with different geometries. Based on the simulation results, force and impulse experienced by columns with different cross-sectional shapes and varying sizes are estimated. …
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Dynamics of a Nutating Mill with Charge-Structure Interaction
… through experimental testing and a two-way coupled simulation combining multi-body dynamics and the discrete element method. The NuMill included vibration isolation mounts and chamber ribs to replicate industrial Hicom mill characteristics. Force, torque, and accelerations were measured …
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Developing an integrated building design tool by coupling building energy simulation and computational fluid dynamics programs
Building energy simulation (ES) and computational fluid dynamics (CFD) can play important roles in building design by providing essential information to help design energy-efficient, thermally comfortable and healthy buildings. However, separate applications of ES and CFD usually cannot give an …
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Memory efficient indexing algorithm for physical properties in OpenMC
… parallel scalability for large nuclear reactor simulations. The target problem for OpenMC is a full core high-fidelity multi-physics coupled simulation. This encompasses not only nuclear physics, but also material science and thermohydraulics. One of the challenges associated with this problem …
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Neutronic-Thermal Simulation of Micro Reactor Designs for the Purpose of Analyzing the Impact of Thermal Expansion and Hydrogen Migration in Metal Hydride Moderator
… to perform steady state neutronic-thermal coupled simulation with the inclusion of an additional physics system. This work accomplishes this, by adding thermal expansion and zirconium hydride-based hydrogen diffusion to the neutronic-thermal simulation of multiple heat pipe microreactor …
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Multiscale Systems Theory With Application to Electrodeposition and Crystallization Process
… of these processes, many papers have adopted a simulation architecture that employs coupled simulation codes, in which each code simulates the physicochemical phenomena for a different range of length scales in the reacting system. A key issue in dynamically coupling simulation codes is that it …
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Infrastructure planning for drought mitigation under climate change
… presents a decision support framework based on a coupled simulation and optimization model. A quasi-physically based watershed model is established for Frenchman Creek Basin (FCB), where groundwater based irrigation plays a significant role in agriculture production and local hydrological cycle. …
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Nuclear reactor multi-physics simulations with coupled MCNP5 and STAR-CCM+
… Monte Carlo particle transport code has been coupled to the computational fluid dynamics code, STAR-CCM+, to provide a high fidelity multi-physics simulation tool for analyzing the steady state properties of a PWR core. The codes are executed separately and coupled externally through a Perl …
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The Impact of Large Scale Wave Energy Converter Farms on the Regional Wave Climate
Over recent years the numerical simulation of Wave Energy Converters (WECs) has become a necessity. This enables the representation of many hydrodynamic interactions, allowing wave models to simulate processes from quantifying wave loading on a device to cumulative environmental impact of multiple …
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Multi-Fidelity Analysis and Optimization of Lightweight Structures Subject to Significant Fluid-Structure Interaction Effects
… prosthetic devices are inherently coupled with the surrounding fluid flow. These interactions, commonly referred to as fluid-structure interaction (FSI), require the simultaneous consideration of the fluid and the structural sub-problems while capturing the effects of coupling at …
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Connect Store: A fully coupled 3D model of ice flow, calving, subglacial hydrology and ice-ocean interactions applied to Store Glacier, Greenland
… open-source model Elmer/Ice to investigate the coupled dynamics of the ice-calving-subglacial-hydrology-plume system at Store Glacier, a large, fast-flowing tidewater outlet glacier on the west coast of Greenland. Understanding these large outlet glaciers is critical to being able to accurately …
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Detailed Population Balance Modelling of Titanium Dioxide Nanoparticle Synthesis
… hot wall reactor is simulated. A two-step simulation methodology is presented to apply the model to a stagnation flame. The methodology extends an existing two-step method, where a detailed population balance model is applied as a post-processing step to flame profiles obtained from a …
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Geomechanically coupled modelling of fluid flow partitioning in fractured porous media.
… laboratory core flooding data. The best fracture simulation approach was identified to be fracture implementation as an open channel interacting with matrix block. This approach takes into consideration the coupling of Darcy flow equation in the matrix domain to Navier-Stokes flow formulation in …
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Dynamic impact induced by tornadoes through simulations based on two-way wind-structure interactions
… this study, Computational Fluid Dynamics (CFD) simulations and Computational Structural Dynamics (CSD) simulations are combined for the first time to systematically investigate tornado dynamics and its dynamic impact on civil structures. First, wind effects on large-scale space structures …
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Development of a coupled CFD—system-code capability (with a modified porous media model) and its applications to simulate current and next generation reactors
… elevating the nuclear reactor thermal hydraulics simulation capabilities to address problems that cannot be addressed with existing computational tools. The goal is achieved by first implementing improved porous media models in a commercial CFD code and then by judicious coupling of the CFD code …
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CHALLENGES IN TRACKING THE DEGRADATION OF LANDFILLED MSW THROUGH LABORATORY AND NUMERICAL MEANS
… of exhumed samples, and through numerical simulation of in situ landfill temperature behaviour. The biochemical methane potential (BMP) test is the primary method used to determine the anaerobic biological decay potential of MSW. Several aspects of the BMP test methodology such as the long …
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Use of molecular dynamics simulations to study the impact of weak to strong non-covalent chemical interactions
… the beam molecular experiments. Trajectory MD simulations were used to predict angular distributions and average translational energies. The translational energy and angular distributions of the scattered N$_2$ were obtained for incidence velocities of 1,453 and 2,220 $\mathrm{m\, s^{-1}}$, and …