P. Wolf's Books

The Scaled Boundary Finite Element Method

By: John P. Wolf

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The Scaled Boundary Finite Element Method

By: John P. Wolf

A novel computational procedure called the scaled boundary finite-element method is described which combines the advantages of the finite-element and boundary-element methods : Of the finite-element method that no fundamental solution is required and thus expanding the scope of application, for instance to anisotropic material without an increase in complexity and that singular integrals are avoided and that symmetry of the results is automatically satisfied. Of the boundary-element method that the spatial dimension is reduced by one as only the boundary is discretized with surface finite elements, reducing the data preparation and computational efforts, that the boundary conditions at infinity are satisfied exactly and that no approximation other than that of the surface finite elements on the boundary is introduced. In addition, the scaled boundary finite-element method presents appealing features of its own : an analytical solution inside the domain is achieved, permitting for instance accurate stress intensity factors to be determined directly and no spatial discretization of certain free and fixed boundaries and interfaces between different materials is required. In addition, the scaled boundary finite-element method combines the advantages of the analytical and numerical approaches. In the directions parallel to the boundary, where the behaviour is, in general, smooth, the weighted-residual approximation of finite elements applies, leading to convergence in the finite-element sense. In the third (radial) direction, the procedure is analytical, permitting e.g. stress-intensity factors to be determined directly based on their definition or the boundary conditions at infinity to be satisfied exactly. In a nutshell, the scaled boundary finite-element method is a semi-analytical fundamental-solution-less boundary-element method based on finite elements. The best of both worlds is achieved in two ways: with respect to the analytical and numerical methods and with respect to the finite-element and boundary-element methods within the numerical procedures. The book serves two goals: Part I is an elementary text, without any prerequisites, a primer, but which using a simple model problem still covers all aspects of the method and Part II presents a detailed derivation of the general case of statics, elastodynamics and diffusion.

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Page Count

398

Publisher

John Wiley & Sons

Published Date

ISBN 10

0471486825

ISBN 13

9780471486824

The School Choice Journey

School Vouchers and the Empowerment of Urban Families

By: T. Stewart,P. Wolf

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The School Choice Journey

School Vouchers and the Empowerment of Urban Families

By: T. Stewart,P. Wolf

This in-depth chronicle of 110 families in Washington, DC's Opportunity Scholarship Program provides a realistic look at how urban families experience the process of using school choice vouchers and transform from government clients to consumers of education and active citizens.

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Page Count

223

Publisher

Springer

Published Date

ISBN 10

1137442662

ISBN 13

9781137442666

Foundation Vibration Analysis

A Strength of Materials Approach

By: John P Wolf,Andrew J. Deeks

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Foundation Vibration Analysis

A Strength of Materials Approach

By: John P Wolf,Andrew J. Deeks

Structural analysis is usually carried out by a strength-of-materials approach that allows complex 3-D structures to be modelled adequately for design needs in a single dimension. However, this approach is not extensively used in geotechnical engineering, partly because 3-D media (soil, rock) are present, but more importantly because until recently the methods necessary to carry out this form of analysis did not exist. In the last ten years efforts at modelling practical problems in foundation analysis using a strength-of-materials approach have developed the concept of the conical bar or beam as a tool. Such cone models can be used to model a foundation in a dynamic soil-structure interaction analysis with a variation of the properties with depth. This book develops this new approach from scratch in a readable and accessible manner. A systematic evaluation for a wide range of actual sites demonstrates sufficient engineering accuracy. A short computer program written in MATLAB and a user-friendly executable program are provided, while practical examples ensure a clear understanding of the topic. - Simplifies complex 3-D analysis of soil-structure interaction - Applies strength-of-materials approach to geotechnical engineering - Illustrated with practical examples - Executable program and MATLAB program for foundation vibration analysis

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Page Count

233

Publisher

Elsevier

Published Date

ISBN 10

0080477895

ISBN 13

9780080477893

A Graphic Guide to Art Therapy

By: Amy E. Huxtable,Libby Schmanke,Gaelynn P. Wolf Bordonaro

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A Graphic Guide to Art Therapy

By: Amy E. Huxtable,Libby Schmanke,Gaelynn P. Wolf Bordonaro

What are the core concepts of art therapy? What can you learn from a drawing of a bird's nest, a collage or some scribbles? Why become an art therapist and how do you do it? What happens in the therapy room? In the style of a graphic novel, A Graphic Guide to Art Therapy answers these questions and more. Art therapy and its key concepts, theory and practice are introduced through illustrations and text. Beginning with an overview of art therapy as both a practice and a career, it shows the routes to becoming an art therapist and what the role entails. The essential approaches, frameworks, techniques and assessment styles of art therapy are visualised and discussed, making this book the perfect companion on your journey as an art therapist.

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Page Count

288

Publisher

Jessica Kingsley Publishers

Published Date

ISBN 10

1787753522

ISBN 13

9781787753525

The Normative and the Natural

By: Michael P. Wolf,Jeremy Randel Koons

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The Normative and the Natural

By: Michael P. Wolf,Jeremy Randel Koons

Drawing on a rich pragmatist tradition, this book offers an account of the different kinds of ‘oughts’, or varieties of normativity, that we are subject to contends that there is no conflict between normativity and the world as science describes it. The authors argue that normative claims aim to evaluate, to urge us to do or not do something, and to tell us how a state of affairs ought to be. These claims articulate forms of action-guidance that are different in kind from descriptive claims, with a wholly distinct practical and expressive character. This account suggests that there are no normative facts, and so nothing that needs any troublesome shoehorning into a scientific account of the world. This work explains that nevertheless, normative claims are constrained by the world, and answerable to reason and argumentation, in a way that makes them truth-apt and objective.

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Page Count

357

Publisher

Springer

Published Date

ISBN 10

3319336878

ISBN 13

9783319336879

Human in Vitro Fertilization and Embryo Transfer

By: Don P. Wolf,Martin M. Quigley

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Human in Vitro Fertilization and Embryo Transfer

By: Don P. Wolf,Martin M. Quigley

The births of more than 100 apparently normal infants at term following pregnancies initiated by in vitro fertilization and embryo transfer testifies to the successful clinical application of insights obtained from studies in reproductive biology over the last 20 years. In women, these studies have included: 1) characterization of the changes in blood hormone profiles throughout ovulatory menstrual cycles; 2) documentation of the hormonal composition of antral fluid in developing and degenerating preovulatory follicles; 3) correlation of these observations with the state of oocyte maturation and the fertilizability of the oocyte; 4) application of pharmacologic agents for perturbing the normal hormone profiles to regulate the number of preovulatory follicles developing and the time of ovulation; and 5) development of non-invasi ve methods for monitoring follicular development. Optimizing methods for maturing and fertilizing eggs, for moni toring normal development in vi tro, and for transferring and achieving implantation of embryos are continuing concerns of physicians and scientists responsible for extant programs. In addition, all serious students of reproductive biology should critically examine every facet of the processes which must concatenate to assure birth of normal infants following pregnancies achieved by these methods. However, the literature which contains the informational substrate is dispersed widely in a plethora of journals not always readily accessible. Bringing the essentials together facilitates both rapid retrieval of data and access to relevant literature.

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Page Count

440

Publisher

Springer

Published Date

ISBN 10

1468447149

ISBN 13

9781468447149

Book's by P. Wolf

The Scaled Boundary Finite Element Method

The Scaled Boundary Finite Element Method

The School Choice Journey

The School Choice Journey

Foundation Vibration Analysis

Foundation Vibration Analysis

A Graphic Guide to Art Therapy

A Graphic Guide to Art Therapy

The Normative and the Natural

The Normative and the Natural

Human in Vitro Fertilization and Embryo Transfer

Human in Vitro Fertilization and Embryo Transfer

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