Download e-book for iPad: Ocean Acoustic Propagation by Finite Difference Methods by D. Lee, S. T. McDaniel

By D. Lee, S. T. McDaniel

ISBN-10: 0080348718

ISBN-13: 9780080348711

A concise consultant to the speculation and alertness of numerical tools for predicting ocean acoustic propagation, additionally delivering an advent to numerical tools, with an summary of these tools almost immediately in use. An in-depth improvement of the implicit-finite-difference procedure is gifted including bench-mark attempt examples incorporated to illustrate its software to reasonable ocean environments. different functions comprise atmospheric acoustics, plasma physics, quantum mechanics, optics and seismology

Show description

Read or Download Ocean Acoustic Propagation by Finite Difference Methods PDF

Similar geophysics books

Download PDF by M.Y. Marov, Aleksander V. Kolesnichenko: Mechanics of Turbulence of Multicomponent Gases

House exploration and complex astronomy have dramatically multiplied our wisdom of outer area and made it attainable to review the indepth mechanisms underlying a number of usual phenomena because of advanced interplay of physical-chemical and dynamical methods within the universe. large breakthroughs in astrophysics and the planetary s- ences have ended in more and more complex types of such media as huge molecular clouds giving beginning to stars, protoplanetary accretion disks linked to the sunlight system’s formation, planetary atmospheres and circumplanetary house.

Download e-book for kindle: Engineering Geology of Major Dams on the Columbia River by Richard W. Galster, Alan S. Imrie, John W. Sager, Fred J.

In regards to the ProductPublished by means of the yank Geophysical Union as a part of the sector journey Guidebooks sequence. This day trip will stopover at dams developed at the major stem of the Columbia River and a few of its significant tributaries through the half-century among 1933 and 1983. Engineering geology difficulties linked to siting, layout, and building of those tasks and the relation of the neighborhood geology to many of the websites might be mentioned.

Download e-book for iPad: Applied Geostatistics with SGeMS: A User's Guide by Nicolas Remy

The Stanford Geostatistical Modeling software program (SGeMS) is an open-source computing device package deal for fixing difficulties regarding spatially similar variables. It presents geostatistics practitioners with a trouble-free interface, an interactive 3D visualization, and a big variety of algorithms. This functional ebook presents a step by step advisor to utilizing SGeMS algorithms.

Acoustic Investigation of Complex Seabeds - download pdf or read online

Offshore drilling and buildings require certain wisdom of the geophysical houses of the seabed and sub-seabed, as unforeseen items can decelerate or halt tasks. This e-book offers the cutting-edge in acoustic exploration of the seabed and sub-seabed, from preliminary designs within the Eighties to advertisement contracting and operation of the Acoustic Corer™ within the final decade.

Additional info for Ocean Acoustic Propagation by Finite Difference Methods

Sample text

2. S. T. McDaniel, Applications of energy methods to finite-difference solutions of the parabolic wave equation. In Computational Ocean Acoustics (Eds M. H. Schultz and D. Lee). Pergamon Press, Oxford (1985). 3. A. D. Pierce, The natural reference wavenumber for parabolic approximations in ocean acoustics. In Computational Ocean Acoustics (Eds M. H. Schultz and D. Lee). Pergamon Press, Oxford (1985). 35). The above equation, as discussed previously, can be obtained in a number of ways. 33) urr + 2 ik0ur + uzz + kl(n2(r, z) - \)u = 0, on the basis of the assumption, \urr\ <ζ \2ik0ur\.

In doing so, we consider the following. 40), we have t W J t a « . 43), respectively. In addition, we require a finite difference representation for the range derivative of the field away from the interface. We use a second order central difference operator for uzz. In medium 1, (ux)nm+x satisfies the parabolic wave equation, δ(μ £* x +l + ! Y ++ +^(<« -* - ^ . 44) Similarly, in medium 2, (w2)m+i satisfies the PE, ^ N = (flzfi +1 te)t+1 + p ((«2Ä + 2 - 2(t/ 2 t + , + M ) . Ä + J, + («,)-+,1) ii+|(«,-/»,-y,)l ==^ 1 + χ ( « .

2. F. R. DiNapoli and R. L. Deavenport, Numerical models of underwater acoustic propagation. In Topics in Current Physics (Ed. J. A. DeSanto). Springer, Berlin (1979). 340 D. LEE and S. T. MCDANIEL 3. B. Carnahan, H. A. Luther and J. O. Wikes, In Applied Numerical Methods. Wiley, New York (1969). 4. D. Lee, G. Botseas and J. S. Papadakis, Finite-difference solution to the parabolic wave equation. J. acoust. Soc. Am. 70 (8), 795-800 (1981). 5. S. T. McDaniel and D. Lee, A finite-difference treatment of interface conditions for the parabolic wave equation: the horizontal interface.

Download PDF sample

Ocean Acoustic Propagation by Finite Difference Methods by D. Lee, S. T. McDaniel

by Ronald

Rated 4.12 of 5 – based on 41 votes