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Unified Strength Theory and Its Applications
This book thoroughly describes a theory concerning the yield and failure of materials under multi-axial stresses – the Unified Strength Theory, which was first proposed by the author and has been frequently quoted since. It provides a system of yield and failure criteria adopted for most materials, from metals to rocks, concretes, soils, and polymers. This new edition includes six additional chapters: General behavior of Strength theory function; Visualization of the Unified Strength Theory; Equivalent Stress of the UST and Comparisons with other criteria; Economic Signification of the UST; General form of failure criterion; Beauty of Strength Theories. It is intended for researchers and graduate students in various fields, including engineering mechanics, material mechanics, plasticity, soil mechanics, rock mechanics, mechanics of metallic materials and civil engineering, hydraulic engineering, geotechnical engineering, mechanical engineering and military engineering.
Mechanical Systems, Classical Models
All phenomena in nature are characterized by motion. Mechanics deals with the objective laws of mechanical motion of bodies, the simplest form of motion. In the study of a science of nature, mathematics plays an important rôle. Mechanics is the first science of nature which has been expressed in terms of mathematics, by considering various mathematical models, associated to phenomena of the surrounding nature. Thus, its development was influenced by the use of a strong mathematical tool. As it was already seen in the first two volumes of the present book, its guideline is precisely the mathematical model of mechanics. The classical models which we refer to are in fact models based on the Newtonian model of mechanics, that is on its five principles, i.e.: the inertia, the forces action, the action and reaction, the independence of the forces action and the initial conditions principle, respectively. Other models, e.g., the model of attraction forces between the particles of a discrete mechanical system, are part of the considered Newtonian model. Kepler’s laws brilliantly verify this model in case of velocities much smaller then the light velocity in vacuum.
Mathematical reports
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Testimony of Dr. Linus Pauling
Considers possible communist influence behind Dr. Linus Pauling's collection of signatures from scientists around the world to petition the U.N. to ban the use and production of nuclear weapons.
The Potential of Microbes for a Circular Economy
The Potential of Microbes for a Circular Economy provides a thorough understanding of the role of microbes in a circular economy (CE). It covers the development of effective bio-based formulations for field applications and describes the basic principles and applications of the circular economy, the important role of microorganisms, and new insights into a sustainable ecosystem.The Potential of Microbes for a Circular Economy compiles the latest advancement in the field of CE by covering the aspect of microbes and microbial products providing microbiologists the tools to engage with the wider public, policymakers and industry to inform the debate on addressing current challenges and showcasing the positive impacts of microbiology for society. - Provides a thorough understanding on the role of microbes in the circular economy that can help to develop effective bio-based formulations for field applications - Describes the basic principles and applications of the Circular Economy - Gives insights on the important role of microorganisms explored in the circular economy, which in turn provides new insights into the sustainable ecosystem
