Research Studies on Stress Waves in Earth and Model Earth Media PDF Download
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Author: Armour Research Foundation (U.S.)
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Armour Research Foundation (U.S.)
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: A. J. Durelli
Publisher:
ISBN:
Category :
Languages : en
Pages : 136
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Author: M. W. McKay
Publisher:
ISBN:
Category :
Languages : en
Pages : 56
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Book Description
The response of several geologic materials to explosively induced spherical shock waves has been studied. Measurements made include stress, particle velocity, and strain gauge time histories at stress levels from 10 to 150 kbars. The influence of water content and cracks was also studied. Gas-gun impact experiments employing oblique target and impactor design have demonstrated the feasibility of studying the propagation of shear waves in plane geometry. (Author).
Author: Louis Jean Thompson
Publisher:
ISBN:
Category : Artificial satellites
Languages : en
Pages : 70
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Book Description
The Aerospace Nuclear Safety Program at Sandia Corporation requires an independent assessment of the safety of all nuclear power supplies used in aerospace under all conditions from factory shipment through re-entry from space. The effects of impact against any point on the earth by a nuclear power supply or its components must be evaluated as part of this assessment. This report: (1) evluates the fundamental mechanisms involved in soil impacts by cylindrical projectiles with velocities of 500-700 feet per second; (2) defines the problem of specifying impact targets which closely simulate various portions of the earth's surface; and (3) describes an analytical and experimental program intended to obtain the information needed to properly specify a simulated earth target for use in Aerospace Nuclear Safety impact tests.
Author:
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Category : Mineral industries
Languages : en
Pages : 864
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Author: R. P. Swift
Publisher:
ISBN:
Category :
Languages : en
Pages : 74
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Author: Stanford Research Institute
Publisher:
ISBN:
Category : Underground nuclear explosions
Languages : en
Pages : 364
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Book Description
Author: W R Matson
Publisher: Morgan & Claypool Publishers
ISBN: 1681743299
Category : Science
Languages : en
Pages : 91
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Book Description
This book is an introduction to wave dynamics as they apply to earthquakes, among the scariest, most unpredictable, and deadliest natural phenomena on Earth. Since studying seismic activity is essentially a study of wave dynamics, this text starts with a discussion of types and representations, including wave-generation mechanics, superposition, and spectral analysis. Simple harmonic motion is used to analyze the mechanisms of wave propagation, and driven and damped systems are used to model the decay rates of various modal frequencies in different media. Direct correlation to earthquakes in California, Mexico, and Japan is used to illustrate key issues, and actual data from an event in California is presented and analyzed. Our Earth is a dynamic and changing planet, and seismic activity is the result. Hundreds of waves at different frequencies, modes, and amplitudes travel through a variety of different media, from solid rock to molten metals. Each media responds differently to each mode; consequently the result is an enormously complicated dynamic behavior. Earthquakes should serve well as a complimentary text for an upper-school course covering waves and wave mechanics, including sound and acoustics and basic geology. The mathematical requirement includes trigonometry and series summations, which should be accessible to most upper-school and college students. Animation, sound files, and videos help illustrate major topics.
Author: Lili Wang
Publisher: Elsevier
ISBN: 0080470971
Category : Technology & Engineering
Languages : en
Pages : 549
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Book Description
The primary objective of Foundations of Stress Waves is to give the reader an understanding of stress wave behaviour while taking into account the dynamic constitutive equations of elastic-plastic solids. The author has combined a 'materials characteristics' approach with a 'singularity surface' approach in this work, which readers will find to be a novel and unique route to solving their problems. Helps engineers understand the effects and behavior of stress waves in various materials Aids in the process of engineering design, testing, and evaluation
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309169097
Category : Science
Languages : en
Pages : 430
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Book Description
The destructive force of earthquakes has stimulated human inquiry since ancient times, yet the scientific study of earthquakes is a surprisingly recent endeavor. Instrumental recordings of earthquakes were not made until the second half of the 19th century, and the primary mechanism for generating seismic waves was not identified until the beginning of the 20th century. From this recent start, a range of laboratory, field, and theoretical investigations have developed into a vigorous new discipline: the science of earthquakes. As a basic science, it provides a comprehensive understanding of earthquake behavior and related phenomena in the Earth and other terrestrial planets. As an applied science, it provides a knowledge base of great practical value for a global society whose infrastructure is built on the Earth's active crust. This book describes the growth and origins of earthquake science and identifies research and data collection efforts that will strengthen the scientific and social contributions of this exciting new discipline.
