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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 63 for “"lbm"”.
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Specialized Inter-Particle Interaction Lbm For Patterned Superhydrophobic Surfaces
<p>SPECIALIZED INTER-PARTICLE INTERACTION LBM FOR PATTERNED SUPERHYDROPHOBIC SURFACES</p> <p>by</p> <p>AMAL S. YAGUB</p> <p>ABSTRACT:</p> <p> Superhydrophobic surface characteristics are important in many industrial applications, ranging from the textile to the military. It was observed that …
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Simulation of two-phase dynamics using lattice boltzmann method (LBM)
… For the numerical analyses using the LBM, a computer code is developed to solve problems in both 2D and 3D. The code can run on a single processor PC as well as on a parallel cluster. The code has been written in FORTRAN90 language and incorporates MPI paradigm for parallelization.
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An improved volumetric LBM boundary approach and its extension for sliding mesh simulation
<p>The lattice Boltzmann method (LBM) has been emerging as a promising alternative CFD approach for complex fluid flows. With LBM, no-slip/free-slip wall boundary conditions are implemented via straightforward particle bounce-back/specular reflections on a solid surface, thus enable the use of …
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Lattice Boltzmann modeling for shallow water equations using high performance computing
… to extend the standard Lattice Boltzmann method (LBM) for shallow water flows in order to deal with three dimensional flow fields. The shallow water and mass transport equations have wide applications in ocean, coastal, and hydraulic engineering, which can benefit from the advantages of the LBM. …
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Boundless Fluids Using the Lattice-Boltzmann Method
… fire, and water. The Lattice-Boltzmann Method (LBM) is one fluid simulation technique that has gained recent popularity due to its relatively simple basic algorithm and the ease with which it can be distributed across multiple processors. Unfortunately, current LBM simulations also suffer from …
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The Relationship Between Lean Body Mass, Resting Metabolic Rate, and Peak Oxygen Consumption in Spinal Cord-Injured and Able-Bodied Individuals
… and quadriplegic individuals, in lean body mass (LBM), bone mineral content (BMC), mineral free lean tissue mass (MFL), resting metabolic rate (RMR), and peak oxygen consumption (peak VO2) and to examine the appropriateness of AB equations for the prediction of RMR in paraplegic and quadriplegic …
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Lattice Boltzmann simulations of multiphase flows
… implementing the Lattice Boltzmann Method (LBM) for the purpose of simulating multiphase flows relevant to Air Conditioning and Refrigeration Center (ACRC) applications. Other methodologies have been used to simulate multiphase flow including finite volume based Navier-Stokes solvers. These …
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Lattice Boltzmann liquid simulations on graphics hardware
… fluid simulation, the Lattice Boltzmann Method (LBM) stands out as a candidate for GPU execution because its grid-based structure is a natural fit for GPU parallelism. This thesis describes the design and implementation of a GPU-based free-surface LBM fluid simulation. Broadly, our approach is to …
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On Microstructural Analysis of Porous Media Existing in Fuel Cells Using the Lattice Boltzmann Method
… has been applied, the Lattice Boltzmann Method (LBM). LBM presents several advantages to solve problems where the microstructural architecture is complex. The introductory part presents the scope of the thesis and the different parts include in the document. Different characteristics of the FCs …
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Mesoscopic Numerical Methods for Reactive Flows: Lattice Boltzmann Method and Beyond
… macroscopic scale. The lattice Boltzmann method (LBM), a relatively new numerical method in computational fluid-dynamics (CFD), summarizes the requirements of numerical efficiency and potential to relate micro-and macro-scale. However, despite these features and the recent developments, …
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Parallel Lattice Boltzmann Method for Convection in Dendritic Solidification
… of a parallel lattice Boltzmann method (LBM) for resolving fluid flow in multi-physics problems, such as alloy solidification, focusing on the effects on microstructure evolution. The literature has shown the importance of fluid flow in solidification as it affects the morphology and …
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The Effect of Hyperthermic Whole Body Heat Stimulus (Sauna) on Heat Shock Protein 70 and Skeletal Muscle Hypertrophy in Young Males during Weight Training
… and post-test format, included: lean body mass (LBM), HSP70 concentration, and a 5 repetition maximum (5RM) back squat.</p> <p> When comparing groups (i.e., RT+S, RT+R, and CON), no significant main effects or interactions were observed (p > 0.05) over the 6-week intervention period for LBM, …
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Evaluating Nutrition Recommendations and Identifying Predictors to Promote Healthy Weight Gain through Whole Foods in Athletic Individuals
… desire weight gain, ideally as lean body mass (LBM), to improve performance in sport or military operations. These athletic individuals are commonly encouraged to increase energy intake by ~500 kcal/day with an emphasis on adequate protein and carbohydrate (CHO) and judicious inclusion of …
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The effects of varying protein/carbohydrate ratio of a hypocaloric diet on body composition and muscular function in body builders
… (BW), percent body fat (%BF), lean body mass (LBM) and static muscular endurance were studied in college aged experienced male weightlifters for 7 days. Nineteen (X age = 20.6) volunteers were randomly assigned to one of three groups: control (n=5), High Protein/Moderate Carbohydrate - HP/MC …
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A comparison of resting metabolic rates among cardiovascular fit, muscularly fit, and sedentary men
… of CV was 3.529 {dollar}\pm{dollar} 0.353 ml/kg LBM min, while those of WT and Sed were 3.464 {dollar}\pm{dollar} 0.628 and 3.550 {dollar}\pm{dollar} 0.770 ml/kg LBM min., respectively. One-way ANOVA tests revealed no differences in RMR among any of the three groups expressed as ml/kg min (F = …
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Approximating three-dimensional fluid flow in a microfluidic device with a two-dimensional, depth-averaged lattice Boltzmann method
… 2D simulation. The 2D lattice Boltzmann method (LBM) is reformulated to solve the depth-averaged Stokes equations and the viscous drag body force approximation is applied. The 2D, depth-averaged LBM is benchmarked by comparison to depth-averaged results of the 3D LBM in several test geometries. …
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Parallel fluid dynamics for the film and animation industries
… simulation is the Lattice Boltzmann Method (LBM). This is a cellular automata type of algorithm, which parallelizes easily. An important part of the process of parallelization is load balancing; the distribution of computation amongst the available computing resources in the cluster. To date, …
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Diffusion-weighted MRI of skeletal muscle: Estimation of microstructural parameters
… tissues using the lattice Boltzmann method (LBM) to characterize the interplay between the microstructural organization of skeletal muscle and dMRI physics. This characterization consists of a comparison of the LBM model with analytical two-compartment models as well as the completion of a …
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A Lattice Boltzmann method model of diffusion-weighted magnetic resonance imaging in skeletal muscle
… coefficient via a Lattice Boltzmann model (LBM). Specifically, we aim to characterize how variations in microstructure and mass transport properties affect the local apparent diffusion coefficient of water measured with Diffusion Tensor Imaging (DTI). A numerical model is developed to solve …
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Small core axial compressors for high efficiency jet aircraft
… exit corrected flow between 1.5 and 3.0 lbm/s. The first part of the thesis describes why a small engine core with high overall pressure ratio (OPR) is desirable for an efficient aircraft and shows that fuel burn can be reduced by up to 17% compared to current engines. The second part …
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