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3653 results in ebooks in fluid mechanics

Page 80 of 183

Scaling, Self-similarity, and Intermediate Asymptotics
  • Dimensional Analysis and Intermediate Asymptotics
  • Grigory Isaakovich Barenblatt
  • Published online:
    18 December 2014
    Print publication:
    12 December 1996
  • Scaling laws reveal the fundamental property of phenomena, namely self-similarity - repeating in time and/or space - which substantially simplifies the mathematical modelling of the phenomena themselves. This book begins from a non-traditional exposition of dimensional analysis, physical similarity theory, and general theory of scaling phenomena, using classical examples to demonstrate that the onset of scaling is not until the influence of initial and/or boundary conditions has disappeared but when the system is still far from equilibrium. Numerous examples from a diverse range of fields, including theoretical biology, fracture mechanics, atmospheric and oceanic phenomena, and flame propagation, are presented for which the ideas of scaling, intermediate asymptotics, self-similarity, and renormalisation were of decisive value in modelling.

  • 14 - Address your ethical and legal responsibilities

  • Janice R. Matthews, Scientific Editing Services, Robert W. Matthews, University of Georgia
  • Book:
    Successful Scientific Writing
    Published online:
    05 November 2014
    Print publication:
    13 November 2014, pp 187-203

  • Summary

    In law a man is guilty when he violates the rights of others.

    In ethics he is guilty if he only thinks of doing so.

    immanuel kant

    Integrity in the conduct and reporting of scientific research is a broad subject with many aspects. (Thought-provoking overviews include Buranon and Roy, 1999; Emanuel et al., 2003; Lipson, 2004; Shamoo and Resnik, 2009; and Macrina, 2014.) This chapter includes some essential basic aspects, but we are not legal experts. When you have important legal questions, particularly about such things as trade names, copyrights, and patents, consult a lawyer.

    Value ethical concerns

    Ethics refers to the choices we make that affect others for good or ill. Obviously, this is an enormous multifaceted topic, the subject of entire religions and philosophies. Literally thousands of publications have been written on the subject of scientific ethics and both proper and improper scientific conduct.

    Do they make any difference? Every month, it seems, one can find reports of scientists forging, faking, or plagiarizing their way to success. It is difficult to assess whether scientific dishonesty is on the rise, or simply being reported more widely in our shrinking world. However, it is interesting to note that as a condition of funding, the National Institutes of Health now requires all investigators to receive training in clinical research ethics.

    The historical, political, and social contexts of these issues are beyond the scope of this book, but they make interesting reading. Good places to start include LaFollette (1992), Buranen and Roy (1999), and the many references included in both. For an informative examination of how various aspects of scientific integrity are defined, why and how ethical breaches occur, and how they are detected, see D’Angelo (2012).

Page 80 of 183