Diffusive Geometries

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Diffusive Geometries

Author : Honghao Deng
Publisher : Honghao Deng
ISBN 13 :
Total Pages : 44 pages
Book Rating : 4./5 ( download)

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Book Synopsis Diffusive Geometries by : Honghao Deng

Download or read book Diffusive Geometries written by Honghao Deng and published by Honghao Deng. This book was released on 2018-05-30 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: Architecture primarily serves as a way to create and control the environment around us. Unlike natural weather, climate conditions in architecture are often static and binary, with no diffusion in between. As a result, sensory experiences that are directly accessible outdoors, like atmospheric quality, diffusiveness, and flow, are completely excluded from the indoors. The climate is discretized in space into strict self-contained, functional units, where wetness is kept in wet spaces yet other areas are completely dry. Many of these weather experiences have certain architectural qualities. This project uses vapor as a medium to create the experience of micro-climates and weather conditions from the outside, and bring them back inside architecture as tectonic elements that modulate visibility, create cooling gradients, and produce spatial patterns in a controlled manner. The three main elements are: point – vapor vertex ring, line – vapor tornado, plane – vapor wall. The focused and diffused conditions of vapor enable both localized and global conditions with soft boundaries. Imagine a future where architects not only sculpt their ideal space but also control the weather inside: one corner feels like the Saharan Desert, while the other behaves like the Amazon rainforest. In one corner, an early morning mist greets the contemplative mind, and in the center space, a focused tornado vapor attracts a gathering crowd. The interior space no longer acts like static and binary units—with clear boundaries like rain for shower, snow for fridge, or sun for light—but like dynamic, diffused, and phenomenal experiences.

Diffusive Geometries

Author : Honghao Deng
Publisher : Honghao Deng
ISBN 13 : 1714319512
Total Pages : 44 pages
Book Rating : 4.7/5 (143 download)

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Book Synopsis Diffusive Geometries by : Honghao Deng

Download or read book Diffusive Geometries written by Honghao Deng and published by Honghao Deng. This book was released on 2020-01-21 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: Architecture primarily serves as a way to create and control the environment around us. Unlike natural weather, climate conditions in architecture are often static and binary, with no diffusion in between. As a result, sensory experiences that are directly accessible outdoors, like atmospheric quality, diffusiveness, and flow, are completely excluded from the indoors. The climate is discretized in space into strict self-contained, functional units, where wetness is kept in wet spaces yet other areas are completely dry. Many of these weather experiences have certain architectural qualities. This project uses vapor as a medium to create the experience of micro-climates and weather conditions from the outside, and bring them back inside architecture as tectonic elements that modulate visibility, create cooling gradients, and produce spatial patterns in a controlled manner. The three main elements are: point – vapor vertex ring, line – vapor tornado, plane – vapor wall. The focused and diffused conditions of vapor enable both localized and global conditions with soft boundaries. Imagine a future where architects not only sculpt their ideal space but also control the weather inside: one corner feels like the Saharan Desert, while the other behaves like the Amazon rainforest. In one corner, an early morning mist greets the contemplative mind, and in the center space, a focused tornado vapor attracts a gathering crowd. The interior space no longer acts like static and binary units—with clear boundaries like rain for shower, snow for fridge, or sun for light—but like dynamic, diffused, and phenomenal experiences.

Analysis and Geometry of Markov Diffusion Operators

Author : Dominique Bakry
Publisher : Springer Science & Business Media
ISBN 13 : 3319002279
Total Pages : 555 pages
Book Rating : 4.3/5 (19 download)

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Book Synopsis Analysis and Geometry of Markov Diffusion Operators by : Dominique Bakry

Download or read book Analysis and Geometry of Markov Diffusion Operators written by Dominique Bakry and published by Springer Science & Business Media. This book was released on 2013-11-18 with total page 555 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present volume is an extensive monograph on the analytic and geometric aspects of Markov diffusion operators. It focuses on the geometric curvature properties of the underlying structure in order to study convergence to equilibrium, spectral bounds, functional inequalities such as Poincaré, Sobolev or logarithmic Sobolev inequalities, and various bounds on solutions of evolution equations. At the same time, it covers a large class of evolution and partial differential equations. The book is intended to serve as an introduction to the subject and to be accessible for beginning and advanced scientists and non-specialists. Simultaneously, it covers a wide range of results and techniques from the early developments in the mid-eighties to the latest achievements. As such, students and researchers interested in the modern aspects of Markov diffusion operators and semigroups and their connections to analytic functional inequalities, probabilistic convergence to equilibrium and geometric curvature will find it especially useful. Selected chapters can also be used for advanced courses on the topic.

Geometry-Driven Diffusion in Computer Vision

Author : Bart M. Haar Romeny
Publisher : Springer Science & Business Media
ISBN 13 : 9401716994
Total Pages : 461 pages
Book Rating : 4.4/5 (17 download)

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Book Synopsis Geometry-Driven Diffusion in Computer Vision by : Bart M. Haar Romeny

Download or read book Geometry-Driven Diffusion in Computer Vision written by Bart M. Haar Romeny and published by Springer Science & Business Media. This book was released on 2013-03-14 with total page 461 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scale is a concept the antiquity of which can hardly be traced. Certainly the familiar phenomena that accompany sc ale changes in optical patterns are mentioned in the earliest written records. The most obvious topological changes such as the creation or annihilation of details have been a topic to philosophers, artists and later scientists. This appears to of fascination be the case for all cultures from which extensive written records exist. For th instance, chinese 17 c artist manuals remark that "distant faces have no eyes" . The merging of details is also obvious to many authors, e. g. , Lucretius mentions the fact that distant islands look like a single one. The one topo logical event that is (to the best of my knowledge) mentioned only late (by th John Ruskin in his "Elements of drawing" of the mid 19 c) is the splitting of a blob on blurring. The change of images on a gradual increase of resolu tion has been a recurring theme in the arts (e. g. , the poetic description of the distant armada in Calderon's The Constant Prince) and this "mystery" (as Ruskin calls it) is constantly exploited by painters.

Curvilinear Geometry Transport Discretizatioons in Thick Diffusive Regions

Author : Todd Stephen Palmer
Publisher :
ISBN 13 :
Total Pages : 598 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Curvilinear Geometry Transport Discretizatioons in Thick Diffusive Regions by : Todd Stephen Palmer

Download or read book Curvilinear Geometry Transport Discretizatioons in Thick Diffusive Regions written by Todd Stephen Palmer and published by . This book was released on 1993 with total page 598 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Diffusion Tensor for Slab Geometry

Author : Joe R. Beeler (Jr.)
Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Diffusion Tensor for Slab Geometry by : Joe R. Beeler (Jr.)

Download or read book Diffusion Tensor for Slab Geometry written by Joe R. Beeler (Jr.) and published by . This book was released on 1959 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Diffusion Models of Environmental Transport

Author : Bruce Choy
Publisher : CRC Press
ISBN 13 : 1351455052
Total Pages : 206 pages
Book Rating : 4.3/5 (514 download)

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Book Synopsis Diffusion Models of Environmental Transport by : Bruce Choy

Download or read book Diffusion Models of Environmental Transport written by Bruce Choy and published by CRC Press. This book was released on 2017-12-14 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fate and transport models are critical components in the determination of the exposure to and risk from hazardous contaminants. Analytical models are preferable because they are generally more accessible, more reliable, and require fewer computational resources. Surprisingly, until today, only a limited number of analytical models have been accessible in the literature. Now, there is Diffusion Models of Environmental Transport, which provides more than 40 analytical models of diffusion and advective-diffusion in one, two, and three layer systems, subject to a wide range of boundary and initial conditions. This text illustrates applications to contaminant transport in sediments and soils, including porewater and vapor transport, and also provides Mathcad spreadsheets to aid in the use of these models. The authors supply complete details of the solutions to the models for those who wish for a deeper understanding. For others, who do not have the time or the need, the solutions themselves are ready to be picked up and used. Reible and Choy use their 20-plus years of cumulative experience to create a thorough exploration of fate and transport models. This comprehensive text furnishes an invaluable reference for students and environmental professionals.

Numerical Solution of the Two-group Diffusion Equations in X-y Geometry

Author : Richard S. Varga
Publisher :
ISBN 13 :
Total Pages : 40 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Numerical Solution of the Two-group Diffusion Equations in X-y Geometry by : Richard S. Varga

Download or read book Numerical Solution of the Two-group Diffusion Equations in X-y Geometry written by Richard S. Varga and published by . This book was released on 1956 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:

On the Geometry of Diffusion Operators and Stochastic Flows

Author : K.D. Elworthy
Publisher : Springer
ISBN 13 : 3540470220
Total Pages : 121 pages
Book Rating : 4.5/5 (44 download)

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Book Synopsis On the Geometry of Diffusion Operators and Stochastic Flows by : K.D. Elworthy

Download or read book On the Geometry of Diffusion Operators and Stochastic Flows written by K.D. Elworthy and published by Springer. This book was released on 2007-01-05 with total page 121 pages. Available in PDF, EPUB and Kindle. Book excerpt: Stochastic differential equations, and Hoermander form representations of diffusion operators, can determine a linear connection associated to the underlying (sub)-Riemannian structure. This is systematically described, together with its invariants, and then exploited to discuss qualitative properties of stochastic flows, and analysis on path spaces of compact manifolds with diffusion measures. This should be useful to stochastic analysts, especially those with interests in stochastic flows, infinite dimensional analysis, or geometric analysis, and also to researchers in sub-Riemannian geometry. A basic background in differential geometry is assumed, but the construction of the connections is very direct and itself gives an intuitive and concrete introduction. Knowledge of stochastic analysis is also assumed for later chapters.

Diffusion in Natural Porous Media

Author : Peter Grathwohl
Publisher : Springer Science & Business Media
ISBN 13 : 146155683X
Total Pages : 198 pages
Book Rating : 4.4/5 (615 download)

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Book Synopsis Diffusion in Natural Porous Media by : Peter Grathwohl

Download or read book Diffusion in Natural Porous Media written by Peter Grathwohl and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt: Diffusion in Natural Porous Media: Contaminant Transport, Sorption/Desorption and Dissolution Kinetics introduces the general principles of diffusion in the subsurface environment and discusses the implications for the fate and transport of contaminants in soils and groundwater. Emphasis is placed on sorption/desorption and the dissolution kinetics of organic contaminants, both of which are limited by the slow speed of molecular diffusion. Diffusion in Natural Porous Media: Contaminant Transport, Sorption/Desorption and Dissolution Kinetics compiles methods for calculating the diffusion coefficients of organic compounds (in aqueous solution or vapor phase) in natural porous media. The author uses analytical solutions of Fick's 2nd law and some simple numerical models to model diffusive transport under various initial and boundary conditions. A number of these models may be solved using spreadsheets. The book examines sorption/desorption rates of organic compounds in various soils and aquifer materials, and also examines the dissolution kinetics of nonaqueous phase liquids in aquifers, in both the trapped residual phase and in pools. Diffusion in Natural Porous Media: Contaminant Transport, Sorption/Desorption and Dissolution Kinetics concludes with a discussion of the impact of slow diffusion processes on soil and groundwater decontamination and the implications of these processes for groundwater risk assessment.

The Roll-diffusion Bonding of Structural Shapes and Panels

Author : J. A. Houck
Publisher :
ISBN 13 :
Total Pages : 48 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis The Roll-diffusion Bonding of Structural Shapes and Panels by : J. A. Houck

Download or read book The Roll-diffusion Bonding of Structural Shapes and Panels written by J. A. Houck and published by . This book was released on 1967 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: The report summarizes the progress in recent and current research and development programs to advance the state of the art of the roll-diffusion-bonding process as applied to the manufacture of structural panels and shapes. At the present time, there are seven such NASA and DOD programs in progress. These are reviewed in the report. (Author).

Parametric Studies with an Atmospheric Diffusion Model that Assesses Topic Fuel Hazards Due to the Ground Clouds Generated by Rocket Launches

Download Parametric Studies with an Atmospheric Diffusion Model that Assesses Topic Fuel Hazards Due to the Ground Clouds Generated by Rocket Launches PDF Online Free

Author : Roger Bell Stewart
Publisher :
ISBN 13 :
Total Pages : 72 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Parametric Studies with an Atmospheric Diffusion Model that Assesses Topic Fuel Hazards Due to the Ground Clouds Generated by Rocket Launches by : Roger Bell Stewart

Download or read book Parametric Studies with an Atmospheric Diffusion Model that Assesses Topic Fuel Hazards Due to the Ground Clouds Generated by Rocket Launches written by Roger Bell Stewart and published by . This book was released on 1975 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Diffusion-Wave Fields

Author : Andreas Mandelis
Publisher : Springer Science & Business Media
ISBN 13 : 9780387951492
Total Pages : 758 pages
Book Rating : 4.9/5 (514 download)

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Book Synopsis Diffusion-Wave Fields by : Andreas Mandelis

Download or read book Diffusion-Wave Fields written by Andreas Mandelis and published by Springer Science & Business Media. This book was released on 2001-06-27 with total page 758 pages. Available in PDF, EPUB and Kindle. Book excerpt: Develops a unified mathematical framework for treating a wide variety of diffusion-related periodic phenomena in such areas as heat transfer, electrical conduction, and light scattering. Deriving and using Green functions in one and higher dimensions to provide a unified approach, the author develops the properties of diffusion-wave fields first for the well-studied case of thermal-wave fields and then applies the methods to nonthermal fields.

Diffusion in Minerals and Melts

Author : Youxue Zahng
Publisher : Walter de Gruyter GmbH & Co KG
ISBN 13 : 1501508393
Total Pages : 1056 pages
Book Rating : 4.5/5 (15 download)

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Book Synopsis Diffusion in Minerals and Melts by : Youxue Zahng

Download or read book Diffusion in Minerals and Melts written by Youxue Zahng and published by Walter de Gruyter GmbH & Co KG. This book was released on 2018-12-17 with total page 1056 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume 72 of Reviews in Mineralogy and Geochemistry represents an extensive compilation of the material presented by the invited speakers at a short course on Diffusion in Minerals and Melts held prior (December 11-12, 2010) to the Annual fall meeting of the American Geophysical Union in San Francisco, California. The short course was held at the Napa Valley Marriott Hotel and Spa in Napa, California and was sponsored by the Mineralogical Society of America and the Geochemical Society.

The Geometry of Filtering

Author : K. David Elworthy
Publisher : Springer Science & Business Media
ISBN 13 : 303460176X
Total Pages : 179 pages
Book Rating : 4.0/5 (346 download)

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Book Synopsis The Geometry of Filtering by : K. David Elworthy

Download or read book The Geometry of Filtering written by K. David Elworthy and published by Springer Science & Business Media. This book was released on 2010-11-27 with total page 179 pages. Available in PDF, EPUB and Kindle. Book excerpt: Filtering is the science of nding the law of a process given a partial observation of it. The main objects we study here are di usion processes. These are naturally associated with second-order linear di erential operators which are semi-elliptic and so introduce a possibly degenerate Riemannian structure on the state space. In fact, much of what we discuss is simply about two such operators intertwined by a smooth map, the \projection from the state space to the observations space", and does not involve any stochastic analysis. From the point of view of stochastic processes, our purpose is to present and to study the underlying geometric structure which allows us to perform the ltering in a Markovian framework with the resulting conditional law being that of a Markov process which is time inhomogeneous in general. This geometry is determined by the symbol of the operator on the state space which projects to a symbol on the observation space. The projectible symbol induces a (possibly non-linear and partially de ned) connection which lifts the observation process to the state space and gives a decomposition of the operator on the state space and of the noise. As is standard we can recover the classical ltering theory in which the observations are not usually Markovian by application of the Girsanov- Maruyama-Cameron-Martin Theorem. This structure we have is examined in relation to a number of geometrical topics.

Monte Carlo Studies of Diffusion-limited Trapping Reactions in Restricted Geometries

Author : Rodney Schoonover
Publisher :
ISBN 13 :
Total Pages : 670 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Monte Carlo Studies of Diffusion-limited Trapping Reactions in Restricted Geometries by : Rodney Schoonover

Download or read book Monte Carlo Studies of Diffusion-limited Trapping Reactions in Restricted Geometries written by Rodney Schoonover and published by . This book was released on 1993 with total page 670 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Numerical Analyses for Treating Diffusion in Single-, Two-, and Three-phass Binary Alloy Systems

Author : Darrel R. Tenney
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Numerical Analyses for Treating Diffusion in Single-, Two-, and Three-phass Binary Alloy Systems by : Darrel R. Tenney

Download or read book Numerical Analyses for Treating Diffusion in Single-, Two-, and Three-phass Binary Alloy Systems written by Darrel R. Tenney and published by . This book was released on 1978 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: