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Relevant bibliographies by topics / Boltzmann's car

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Academic literature on the topic 'Boltzmann's car'

Author: Grafiati

Published: 28 May 2022

Last updated: 31 July 2025

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Journal articles on the topic "Boltzmann's car"

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Takahashi, K., S. Ueno, and N. Akaike. "Kinetic properties of T-type Ca2+ currents in isolated rat hippocampal CA1 pyramidal neurons." Journal of Neurophysiology 65, no. 1 (1991): 148–55. http://dx.doi.org/10.1152/jn.1991.65.1.148.

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1. T-type Ca2+ channels producing a transient inward current were studied in pyramidal neurons acutely isolated from the ventral portion of rat hippocampal CA1 region. Membrane currents were recorded by the suction-pipette technique, which allows for internal perfusion under a single-electrode voltage clamp. 2. In all cells superfused with external solution containing 10 mM Ca2+, the T-type Ca2+ current was evoked by step depolarization to potentials more positive than -60 mV from a holding potential of -100 mV and reached a peak in the current-voltage relationship around -30 mV at 20–22 degre

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Wang, Ren Guang, Bin Wang, and Han Wen Sun. "Temperature Development Model for Disk Brake." Advanced Materials Research 230-232 (May 2011): 1155–58. http://dx.doi.org/10.4028/www.scientific.net/amr.230-232.1155.

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The temperature increment process was measured on test rig for disk brake of some car. And the changing model of disk brake was built using Boltzmann equation. Orthogonal experimental with two factors and three levels were conducted. And the results were analyzed based on quadratic regression method to get parameters of equation. The model can be used in temperature prediction.

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Succi, Sauro, and Silvia Palpacelli. "Prospective Merger Between Car-Parrinello and Lattice Boltzmann Methods for Quantum Many-Body Simulations." Communications in Computational Physics 9, no. 5 (2011): 1137–51. http://dx.doi.org/10.4208/cicp.141009.091110s.

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AbstractFormal analogies between the Car-Parrinello (CP) ab-initio molecular dynamics for quantum many-body systems, and the Lattice Boltzmann (LB) method for classical and quantum fluids, are pointed out. A theoretical scenario, whereby the quantum LB would be coupled to the CP framework to speed-up many-body quantum simulations, is also discussed, together with accompanying considerations on the computational efficiency of the prospective CP-LB scheme.

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Li, Yanbing, and Xiaowen Shan. "Lattice Boltzmann method for adiabatic acoustics." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 369, no. 1944 (2011): 2371–80. http://dx.doi.org/10.1098/rsta.2011.0109.

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The lattice Boltzmann method (LBM) has been proved to be a useful tool in many areas of computational fluid dynamics, including computational aero-acoustics (CAA). However, for historical reasons, its applications in CAA have been largely restricted to simulations of isothermal (Newtonian) sound waves. As the recent kinetic theory-based reformulation establishes a theoretical framework in which LBM can be extended to recover the full Navier–Stokes–Fourier (NS) equations and beyond, in this paper, we show that, at least at the low-frequency limit (sound frequency much less than molecular collis

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Fazarinc, Zvonko. "Fermi-Dirac, Bose-Einstein, Maxwell-Boltzmann, and computers." Computer Applications in Engineering Education 23, no. 5 (2015): 746–59. http://dx.doi.org/10.1002/cae.21647.

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van Leeuwen, Herman P., and Raewyn M. Town. "Electric condensation of divalent counterions by humic acid nanoparticles." Environmental Chemistry 13, no. 1 (2016): 76. http://dx.doi.org/10.1071/en15055.

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Environmental context Humic acids are negatively charged soft nanoparticles that play a governing role in the speciation of many ionic and molecular compounds in the environment. The charge density in the humic acid nanoparticle can be very high and the binding of divalent cations such as Ca2+ appears to go far beyond traditional ion pairing or Poisson–Boltzmann electrostatics. A two-state approach, combining counterion condensation in the intraparticulate double layer and classical Donnan partitioning in the bulk of the particle, provides a satisfactory description of the physicochemical spec

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Liu, Haihu, and Yonghao Zhang. "Lattice Boltzmann Simulation of Droplet Generation in a Microfluidic Cross-Junction." Communications in Computational Physics 9, no. 5 (2011): 1235–56. http://dx.doi.org/10.4208/cicp.231009.101110s.

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AbstractUsing the lattice Boltzmann multiphase model, numerical simulations have been performed to understand the dynamics of droplet formation in a microfluidic cross-junction. The influence of capillary number, flow rate ratio, viscosity ratio, and viscosity of the continuous phase on droplet formation has been systematically studied over a wide range of capillary numbers. Two different regimes, namely the squeezinglike regime and the dripping regime, are clearly identified with the transition occurring at a critical capillary number Cacr. Generally, large flow rate ratio is expected to prod

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Zhang, Zhong, Hai Lin, Chunhua Cao, Sandeep Khurana, and Thomas L. Pallone. "Voltage-gated divalent currents in descending vasa recta pericytes." American Journal of Physiology-Renal Physiology 299, no. 4 (2010): F862—F871. http://dx.doi.org/10.1152/ajprenal.00321.2010.

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Multiple voltage-gated Ca2+ channel (CaV) subtypes have been reported to participate in control of the juxtamedullary glomerular arterioles of the kidney. Using the patch-clamp technique, we examined whole cell CaV currents of pericytes that contract descending vasa recta (DVR). The dihydropyridine CaV agonist FPL64176 (FPL) stimulated inward Ca2+ and Ba2+ currents that activated with threshold depolarizations to −40 mV and maximized between −20 and −10 mV. These currents were blocked by nifedipine (1 μM) and Ni2+ (100 and 1,000 μM), exhibited slow inactivation, and conducted Ba2+ > Ca2+ at

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Liu, Haihu, Yan Ba, Lei Wu, Zhen Li, Guang Xi, and Yonghao Zhang. "A hybrid lattice Boltzmann and finite difference method for droplet dynamics with insoluble surfactants." Journal of Fluid Mechanics 837 (December 21, 2017): 381–412. http://dx.doi.org/10.1017/jfm.2017.859.

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Droplet dynamics in microfluidic applications is significantly influenced by surfactants. It remains a research challenge to model and simulate droplet behaviour including deformation, breakup and coalescence, especially in the confined microfluidic environment. Here, we propose a hybrid method to simulate interfacial flows with insoluble surfactants. The immiscible two-phase flow is solved by an improved lattice Boltzmann colour-gradient model which incorporates a Marangoni stress resulting from non-uniform interfacial tension, while the convection–diffusion equation which describes the evolu

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Rossi, Corinne, Gerard Muratorio, Michael Friedjung, and Roberto Viotti. "Analysis of LBV circumstellar envelopes using FeII lines." International Astronomical Union Colloquium 113 (1989): 281–82. http://dx.doi.org/10.1017/s0252921100004632.

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Emission and absorption lines of Fell frequently dominate the optical and UV spectra of LBVs. Many luminous blue stars possess a rich optical Fell emission line spectrum, which can be used as diagnostic of their extended atmospheres (Viotti 1976a). Since the launch ofIUEseveral LBVs were observed in UV, and in many cases (n Car, AG Car, P Cyg, Hubble Sandage variables, etc.) their spectra were found dominated by a large amount of Fell absorptions, presumably formed in cooler envelopes. Often these absorptions are so strong as to seriously affect the UV energy distribution. In order to study li

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Dissertations / Theses on the topic "Boltzmann's car"

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Пришляк, М. Ю., С. О. Субботін та А. О. Олійник. "Аналіз методів навчання на базі методів Монте-Карло для обмежених машин Больцмана". Thesis, Сумський державний університет, 2017. http://essuir.sumdu.edu.ua/handle/123456789/64398.

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Sarna, Neeraj [Verfasser], Manuel [Akademischer Betreuer] Torrilhon, and Zhenning [Akademischer Betreuer] Cai. "Entropy stable hermite approximations of the Boltzmann equation / Neeraj Sarna ; Manuel Torrilhon, Zhenning Cai." Aachen : Universitätsbibliothek der RWTH Aachen, 2019. http://d-nb.info/1195779097/34.

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Yang, Grace. "Application of the Adaptive Poisson Boltzmann Solver on the investigation of the small oligonucleotide A-site model and 30S ribosomal subunit binding to aminoglycosidic antibiotics /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 2005. http://wwwlib.umi.com/cr/ucsd/fullcit?p3170239.

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Пришляк, М. Ю., С. О. Субботін та А. О. Олійник. "Аналіз методів навчання на базі методів Монте-Карло для обмежених машин Больцмана". Thesis, Сумський державний університет, 2017. http://essuir.sumdu.edu.ua/handle/123456789/65628.

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Задачі роспізнавання та класифікації доцільно вирішувати за допомогою глибоких нейронних мереж (НМ). Усі глибокі НМ складаются с базових НМ, до яких відноситься обмежена машина Больцмана (ОМБ) – двошарова енергетична модель, яка не має зв’язків між нейронами всередині шарів, але самі шари повністю зв’язані між собою.

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Roche, Jean-Christophe. "Localisation spatiale par subdivision pour l'accélération des calculs en radiométrie :." Phd thesis, Université Joseph Fourier (Grenoble), 2000. http://tel.archives-ouvertes.fr/tel-00006752.

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La physique de la lumière ainsi que les outils géométriques pour la Conception Assistée par Ordinateur sont à la base des logiciels de simulation des phénomènes lumineux pour la fabrication des systèmes optiques. Ce n'est pas sans difficulté que les industriels conçoivent ces logiciels dont un des principaux handicaps est que les simulations sont très coûteuses en temps. L'objectif principal de ce travail est de rechercher et développer des algorithmes de calcul plus performants. Dans un premier temps, on décrit précisément le modèle du transport des photons dans ce contexte, composé de l'équa

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Righetto, Irene. "Towards "Systems Biotechnology": identification, characterization and design/engineering of protein interaction motifs/domains mediating regulatory signals." Doctoral thesis, Università degli studi di Padova, 2017. http://hdl.handle.net/11577/3426306.

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In silico investigation on protein domains structure and linear/structural motifs can strongly boost functional analyses and technological design. Protein surface features study is crucial to understanding Protein-Protein Interactions (PPI); in particular, surface and pockets conservation and variation, in terms of hydrophobicity, steric hindrance and electrostatics can act as driving forces in protein evolution and functional specialization. Therefore, molecular modeling and structure comparison techniques play an important role in shedding light on “protein behavior” and this PhD work too

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Anika, Nisat Nowroz. "Can turbulence be maintained in a low Re channel flow?: A CFD analysis." Thesis, 2018. http://hdl.handle.net/1959.13/1390972.

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Research Doctorate - Doctor of Philosophy (PhD)<br>Mixing is difficult to achieve in low Reynolds number channel or pipe flows. It can be achieved by generating turbulent motion, which is also important in the context of increasing momentum transport as well as heat and mass transfer phenomenon. A direct numerical simulation based on lattice Boltzmann method (LBM) was carried out in a laminar channel flow, aiming to investigate whether local ‘synthetic’ turbulence can be achieved and sustained for a period long enough at critical and subcritical Reynolds number. The range of Reynolds number (R

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Books on the topic "Boltzmann's car"

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Succi, Sauro. Lattice Boltzmann Models for Microflows. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780199592357.003.0029.

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The Lattice Boltzmann method was originally devised as a computational alternative for the simulation of macroscopic flows, as described by the Navier–Stokes equations of continuum mechanics. In many respects, this still is the main place where it belongs today. Yet, in the past decade, LB has made proof of a largely unanticipated versatility across a broad spectrum of scales, from fully developed turbulence, to microfluidics, all the way down to nanoscale flows. Even though no systematic analogue of the Chapman–Enskog asymptotics is available in this beyond-hydro region (no guarantee), the fa

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Succi, Sauro. Lattice Boltzmann for Non-Ideal Fluids. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780199592357.003.0027.

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This chapter deals with the extension of the LB methodology to the case of non-ideal fluids, i.e., fluids in which potential energy can no longer be neglected as compared to kinetic energy. The macroscopic consequences are major, primarily phase-transitions and attendant interface formation, which lie at the heart of the physics of multiphase and multicomponent flows, a branch of the physics of fluids with numerous applications in modern science and engineering.

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Succi, Sauro. Out of Legoland: Geoflexible Lattice Boltzmann Equations. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780199592357.003.0023.

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The LBEs discussed to this point lag behind “best in class” Computational Fluid Dynamics (CFD) methods for the simulation of fluid flows in realistically complicated geometries, such as those presented by most industrial devices. This traces back to the constraint of working along the light-cones of a uniform spacetime. Various methods have been proposed to remedy this unsatisfactory state of affairs. Among others, a natural strategy is to acquire geometrical flexibility from well-established techniques which can afford it, namely Finite Volumes (FV), Finite Differences (FD) and Finite Element

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Succi, Sauro. Kinetic Theory of Dense Fluids. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780199592357.003.0007.

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This chapter presents the basic elements of the kinetic theory of non-ideal fluids, to which both kinetic and potential energy contribute on comparable footing. Non-ideal fluids lie at the heart of many complex fluid-dynamic applications, such as those involving multiphase and multicomponent flows. This chapter features a degree of abstraction which may not come by handy to the reader with limited interest to the formal theory of classical many-body systems. The interested readers can safely skip the math and retain the basic bottomline. They may just skip this chapter altogether, but in this

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Kachelriess, Michael. Baryogenesis. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198802877.003.0022.

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This chapter shows that a baryon asymmetry can be generated only if the Sakharov conditions are satisfied. The required departure from thermal equilibrium can be realised either in first-order phase transitions or in out-of-equilibrium decays. Sphaleron transitions as a possible way to transfer a lepton into a baryon asymmetry are covered and the Boltzmann equation governing the baryon asymmetry generated in particle decays is derived. A brief review of baryogenesis during the electroweak phase transition is presented.

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Succi, Sauro. Lattice Relaxation Schemes. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780199592357.003.0014.

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In Chapter 13, it was shown that the complexity of the LBE collision operator can be cut down dramatically by formulating discrete versions with prescribed local equilibria. In this chapter, the process is taken one step further by presenting a minimal formulation whereby the collision matrix is reduced to the identity, upfronted by a single relaxation parameter, fixing the viscosity of the lattice fluid. The idea is patterned after the celebrated Bhatnagar–Gross–Krook (BGK) model Boltzmann introduced in continuum kinetic theory as early as 1954. The second part of the chapter describes the co

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Nolte, David D. The Tangled Tale of Phase Space. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198805847.003.0006.

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This chapter presents the history of the development of the concept of phase space. Phase space is the central visualization tool used today to study complex systems. The chapter describes the origins of phase space with the work of Joseph Liouville and Carl Jacobi that was later refined by Ludwig Boltzmann and Rudolf Clausius in their attempts to define and explain the subtle concept of entropy. The turning point in the history of phase space was when Henri Poincaré used phase space to solve the three-body problem, uncovering chaotic behavior in his quest to answer questions on the stability

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Henriksen, Niels Engholm, and Flemming Yssing Hansen. From Microscopic to Macroscopic Descriptions. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198805014.003.0002.

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This chapter discusses bimolecular reactions from both a microscopic and macroscopic point of view. The outcome of an isolated reactive scattering event can be specified in terms of an intrinsic fundamental quantity, the reaction cross-section that can be measured in a molecular beam experiment. It depends on the quantum states of the molecules as well as the relative velocity of reactants and products. The relation between the cross-section and the macroscopic rate constant is derived. The rate constant is a weighted average of the product between the relative speed of the reactants and the r

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Clarke, Andrew. Energy and heat. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780199551668.003.0002.

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Energy is the capacity to do work and heat is the spontaneous flow of energy from one body or system to another through the random movement of atoms or molecules. The entropy of a system determines how much of its internal energy is unavailable for work under isothermal conditions, and the Gibbs energy is the energy available for work under isothermal conditions and constant pressure. The Second Law of Thermodynamics states that for any reaction to proceed spontaneously the total entropy (system plus surroundings) must increase, which is why metabolic processes release heat. All organisms are

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Morawetz, Klaus. Interacting Systems far from Equilibrium. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198797241.001.0001.

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In quantum statistics based on many-body Green’s functions, the effective medium is represented by the selfenergy. This book aims to discuss the selfenergy from this point of view. The knowledge of the exact selfenergy is equivalent to the knowledge of the exact correlation function from which one can evaluate any single-particle observable. Complete interpretations of the selfenergy are as rich as the properties of the many-body systems. It will be shown that classical features are helpful to understand the selfenergy, but in many cases we have to include additional aspects describing the int

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Book chapters on the topic "Boltzmann's car"

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Nagasawa, Masao. "The Schrödinger Equation can be a Boltzmann Equation." In Schrödinger Equations and Diffusion Theory. Birkhäuser Basel, 1993. http://dx.doi.org/10.1007/978-3-0348-8568-3_8.

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Nagasawa, Masao. "Can the Schrödinger Equation be a Boltzmann Equation?" In Diffusion Processes and Related Problems in Analysis, Volume I. Birkhäuser Boston, 1990. http://dx.doi.org/10.1007/978-1-4684-0564-4_11.

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Byun, Sung-Soo, and Peter J. Forrester. "Further Theory and Applications." In KIAS Springer Series in Mathematics. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-5173-0_6.

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AbstractIn addition to an analogy with the Boltzmann factor of the OCP with inverse temperature $$\beta = 2$$ β = 2 , the GinUE eigenvalue PDF permits an interpretation as the absolute value squared of the ground state wave function for spinless fermions in the plane subject to a perpendicular magnetic field. More generally, for $$\beta $$ β twice an odd positive integer m the OCP Boltzmann factor occurs as proportional to the absolute value squared of Laughlin trial wavefunction in the theory of the fractional quantum Hall effect with filling fraction 1/m. In relation to the topic of chaotic

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Sillerud, Laurel O. "Can Energy Direct Probability? Energy, Entropy, and the Boltzmann Distribution." In Abiogenesis. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-56687-5_2.

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Raven, Will. "Atoms in Motion." In Atomic Physics for Everyone. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-69507-0_4.

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AbstractIn this chapter, we explore how motion can affect the perceived frequency of waves, with significant implications for spectroscopy. We cover the broadening and shifting of atomic line frequencies due to atomic movement and investigate the roles of velocity and temperature in these phenomena. Key topics include the Doppler effect, Doppler broadening, the Maxwell-Boltzmann velocity distribution, and the Equipartition Theorem. Additionally, the chapter discusses the application of the Doppler effect in astronomy.

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Ji, Jinbao, Zongxiang Hu, Weiqi Zhang, and Sen Yang. "Development of Deep Learning Algorithms, Frameworks and Hardwares." In Proceeding of 2021 International Conference on Wireless Communications, Networking and Applications. Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-2456-9_71.

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AbstractAs the core algorithm of artificial intelligence, deep learning has brought new breakthroughs and opportunities to all walks of life. This paper summarizes the principles of deep learning algorithms such as Autoencoder (AE), Boltzmann Machine (BM), Deep Belief Network (DBM), Convolutional Neural Network (CNN), Recurrent Neural Network (RNN) and Recursive Neural Network (RNN). The characteristics and differences of deep learning frameworks such as Tensorflow, Caffe, Theano and PyTorch are compared and analyzed. Finally, the application and performance of hardware platforms such as CPU a

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Drabowski, Mieczyslaw. "Boltzmann Tournaments in Evolutionary Algorithm for CAD of Complex Systems with Higher Degree of Dependability." In Advances in Intelligent Systems and Computing. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-19216-1_14.

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Allen, Rebecca. "Influence of Spatial Coarsening of Pore Space in Porous Asphalt on Simulated Infiltration for Enhanced Stormwater Management." In Lecture Notes in Civil Engineering. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-69626-8_53.

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AbstractPorous asphalt is a road material that allows rainwater to infiltrate through the top layer of a road in an effort to handle stormwater on the spot rather than through drainage piping and infrastructure. Good design of porous asphalt requires understanding the relationship between porosity, permeability, as well as durability. In this work, the pore space is modelled via imaging and digital construction of the total and connected pore space. Then, the infiltration behaviour through the pore space is simulated via lattice Boltzmann modelling, which allows for the calculation of saturate

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Byun, Sung-Soo, and Peter J. Forrester. "Eigenvalue PDFs and Correlations." In KIAS Springer Series in Mathematics. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-5173-0_2.

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AbstractA GinUE random matrix has all entries as independent standard complex Gaussians. The eigenvalue PDF can be explicitly calculated, revealing an analogy with the Boltzmann factor for a particular two-dimensional Coulomb gas. The functional form of the eigenvalue PDF leads to a determinantal structure for the general k-point correlation function. The corresponding correlation kernel admits bulk and edge scaling limits, while the density also admits a global scaling limit giving rise to an example of the circular law. Various generalisations of the GinUE permit analogous analysis. Those co

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Werzner, Eric, Miguel A. A. Mendes, Cornelius Demuth, Dimosthenis Trimis, and Subhashis Ray. "Simulation of Fluid Flow, Heat Transfer and Particle Transport Inside Open-Cell Foam Filters for Metal Melt Filtration." In Multifunctional Ceramic Filter Systems for Metal Melt Filtration. Springer International Publishing, 2024. http://dx.doi.org/10.1007/978-3-031-40930-1_13.

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AbstractIn order to develop improved filters for metal melt filtration, different physical phenomena that take place during depth filtration of liquid metals need to be well understood. Due to the difficult accessibility of the process, the harsh process conditions and the randomness of the typically employed ceramic foam filters, representative experimental investigations are extremely difficult to perform and often provide only integral quantities or selective information. This chapter presents a numerical model for simulating the depth filtration of liquid metal at the pore-scale, i.e., ful

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Conference papers on the topic "Boltzmann's car"

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Nieto-Chaupis, Huber. "Modeling Transport of Ca2+ in Neural Synapse with Boltzmann Equation and Electrodynamics." In 2024 IEEE Biennial Congress of Argentina (ARGENCON). IEEE, 2024. http://dx.doi.org/10.1109/argencon62399.2024.10735717.

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Reiser, Andreas, and Ilkay Yavrucuk. "Investigation Of Rotor Interactional Aerodynamics Using The Lattice Boltzmann Method." In Vertical Flight Society 80th Annual Forum & Technology Display. The Vertical Flight Society, 2024. http://dx.doi.org/10.4050/f-0080-2024-1267.

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This study uses a mid-fidelity, aeromechanics coupled framework using the Lattice-Boltzmann Method (LBM) fluid solver to investigate an experimental coaxial rotor system. Co-rotating and counter-rotating rotor operation scenarios in hover are studied. The rotors are represented as an actuator line in the LBM fluid simulation. Simulation results are compared to experimental data, mid-fidelity and CFD simulation results available in literature. Results indicate that the framework can accurately predict thrust and thrust variations for both upper and lower rotors. Power prediction has deficiencie

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Yu, Xuecheng, and Tianguang Chu. "Dynamic link prediction using restricted Boltzmann machine." In 2017 Chinese Automation Congress (CAC). IEEE, 2017. http://dx.doi.org/10.1109/cac.2017.8243496.

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Wang, Qiang, Linqing Wang, Jun Zhao, and Wei Wang. "Long-term time series prediction based on deep denoising recurrent temporal restricted Boltzmann machine network." In 2017 Chinese Automation Congress (CAC). IEEE, 2017. http://dx.doi.org/10.1109/cac.2017.8243182.

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Lehugeur, Benjamin, and Patrick Gillie´ron. "Active Control of Vortex Breakdown Phenomenon in the Wake of a Simplified Car Geometry." In ASME 2006 2nd Joint U.S.-European Fluids Engineering Summer Meeting Collocated With the 14th International Conference on Nuclear Engineering. ASMEDC, 2006. http://dx.doi.org/10.1115/fedsm2006-98349.

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The breakdown of longitudinal vortices originating from the rear pillars of a simplified geometry of automobile vehicles is obtained with a view to reducing aerodynamic drag. Numerical experiments are conducted on an Ahmed body according to a computation code based on the Lattice Boltzmann Method (LBM). Vortex breakdown is obtained by a continuously and uniformly blowing at the separation line prompting the formation and maintenance of the vortex. The breakdown is characterized by a sudden disintegration of the vortex core and the appearance of a recirculation zone. Numerical results obtained

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Ticknor, Anthony J., and Harrison H. Barrett. "Optical Boltzmann machines." In OSA Annual Meeting. Optica Publishing Group, 1985. http://dx.doi.org/10.1364/oam.1985.tuy3.

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An optical Boltzmann machine is a highly parallel computing module for inverting matrix equations expressed g = Af. A Monte Carlo procedure is used, being more efficient with large matrices and because the transform matrix A often has no true inverse. Since the operation is not determinstic, the resultant data f ^ will only be an estimate if the data f, although confidence that it is the best possible estimate of f can be made very high. An energy function E of the estimate f ^ is defined with minimum at the best estimate; then the starting estimate is iteratively perturbed by adding or subtra

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Roume´as, M., P. Gillie´ron, and A. Kourta. "Analyze and Control of Near-Wake Flow on a Simplified Car Geometry." In ASME 2006 2nd Joint U.S.-European Fluids Engineering Summer Meeting Collocated With the 14th International Conference on Nuclear Engineering. ASMEDC, 2006. http://dx.doi.org/10.1115/fedsm2006-98480.

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A 3D numerical simulation, based on the Lattice Boltzmann Method is carried out on a rectangular body (initially proposed by Ahmed [1]) to analyze the influence of blowing devices on the near-wake flow of a generic blunt body model. First, the results obtained without control are compared with experimental data from the literature. An open loop flow control strategy is then applied by setting blowing slots around the periphery of the body base. The blowing velocity is set to 1.5 V0, V0 being the upstream velocity. The resulting aerodynamic drag reduction is then analyzed by studying velocity,

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Yang, Yanxia, and Jing Li. "SIMULATION OF HYDRODYNAMICS AND MASS TRANSFER IN MEMBRANE BIOREACTOR FOR PHOTO-BIOHYDROGEN PRODUCTION WITH LATTICE BOLTZMANN METHOD." In International Heat Transfer Conference 16. Begellhouse, 2018. http://dx.doi.org/10.1615/ihtc16.cat.023499.

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Babu, Viswanathan, and Gary S. Strumolo. "Computational Issues in the Simulation of Incompressible Flows Using the Lattice Boltzmann Method." In X International Conference on Vehicle Structural Mechanics and CAE. SAE International, 1997. http://dx.doi.org/10.4271/971519.

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Wang, Dadong, and Yanbao Ma. "Lattice Boltzmann Modeling of Ultrafast Laser Heating on Metal Film." In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-64797.

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Lattice Boltzmann method based on Boltzmann transport equation is developed to simulate the nanoscale heat transport in metal film. The Boltzmann transport equation is applicable to describe both electron and phonon scattering processes: the absorption of photon energy by electrons and the subsequent heating of metal lattice (phonons) through electron-phonon collisions. We show that the Boltzmann transport equation can give rise to the well-known two-temperature model. To validate our numerical tool, ultrafast laser heating on metal film is analyzed by lattice Boltzmann method and finite diffe

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Reports on the topic "Boltzmann's car"

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Aursjø, Olav, Aksel Hiorth, Alexey Khrulenko, and Oddbjørn Mathias Nødland. Polymer flooding: Simulation Upscaling Workflow. University of Stavanger, 2021. http://dx.doi.org/10.31265/usps.203.

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There are many issues to consider when implementing polymer flooding offshore. On the practical side one must handle large volumes of polymer in a cost-efficient manner, and it is crucial that the injected polymer solutions maintain their desired rheological properties during transit from surface facilities and into the reservoir. On the other hand, to predict polymer flow in the reservoir, one must conduct simulations to find out which of the mechanisms observed at the pore and core scales are important for field behavior. This report focuses on theoretical aspects relevant for upscaling of p

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