Machine Elements‚ July - Nov 2013 Failure of materials Outline I 1 2 Failure of materials Classification Failure of Materials Ductile materials Von-mises criterion Factor of safety in Von-mises criterion 3 4 Mohr and Mohr-Coulomb theory for Ductile materials How to decide if material is ductile or brittle? Brittle materials Dowling factors to predict failure in brittle materials 5 6 7 Stress concentrations Stress concentrations Problem solution 3/83 Design of
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Theories of Crime Biological Positivism Lombroso (1876) believed that evolution could explain behaviour. He thought that many criminals were found to have a distinctive physique‚ such as protruding ears‚ sloping foreheads‚ long arms‚ a prominent jaw and a receding chin. He described criminals as being ‘atavistic’ similar to an earlier form of evolutionary life. Sheldon (1949) also believed a criminal was determined by someone’s body type‚ he believed there were three body types‚ endomorph: short
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used in sociology and social theory — yet rarely defined or clearly conceptualized. In a general sense‚ the term can refer two; entities or groups in definite relation to each other; relatively enduring patterns of behavior and relationship within a society‚ or social institutions and norms becoming embedded into social systems in such a way that they shape the behavior of actors within those social systems. Social structural theory and social disorganization theory is the failure of a community
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Andre Vasconcelos Reading Assignment – Stakeholder Theory Professor Juan Carlos Orejarena Business Ethics 10/26/2012 Chapter 7 of the book “Stakeholder Theory: The State of the Art” discusses how stakeholder theory is employed in the realm of business ethics. The stakeholder theory has become an essential part of business ethics studies‚ and this chapter made a point to connect its normative pillars‚ to the main ideas behind business
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Neurophysiological and Evolutionary Theories Paper For one who may be interested in the neurophysiological or evolutionary theories of psychology‚ one need not look any further than Donald Olding Hebb who has been described as the father of neuropsychology and Robert C. Bolles who did most of his work in experimental psychology. Hebb is best known for his theory of Hebbian Learning which was introduced in his 1949 work: The Organization of Behavior. As
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This research paper will summarize “Holland’s Theory of Vocational Choice”; followed by a practical application of the theory to this Author’s life. Other than the textbook for this class; one other resource cited in the reference section was used to make the following concise summation of Holland’s Theory. Holland’s Theory of Vocational Choice Holland’s Theory can be summarized as follows: In western culture what are referred to in this theory as‚ “Holland’s Codes”‚ make up one of six personality
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Theories of Translation 1.Introduction Translation‚ oral or written‚ is probably as old as the spoken or written word. Throughout the ages‚ famous writers have tried their hand at ``the art of translating``. Translation is usually defined as the communication of the meaning of a source-language text by the means of an equivalent target-language text. It can be also described as an expression of a sense from one language to another as well as transmission of a written or spoken language
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Summarise two theories of identity and compare their usefulness for explaining the real-world issues discussed in Chapter 1‚ ‘Identities and Diversities ’ I aim to present two psychological theories; Psychosocial-Identity-Theory and Social-Identity-theory (SIT)including their historical and biographical context and corresponding theorizers as it is likely that they were greatly shaped by these factors. Erik Erikson’s theory of Psychosocial-Identity associates identity as being shaped in response
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Theories of Motivation Overview At a simple level‚ it seems obvious that people do things‚ such as go to work‚ in order to get stuff they want and to avoid stuff they don’t want. Why exactly they want what they do and don’t want what they don’t is still something a mystery. It’s a black box and it hasn’t been fully penetrated. Overall‚ the basic perspective on motivation looks something like this: In other words‚ you have certain needs or wants (these terms will be used interchangeably)
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Kinetic theory (or the kinetic or kinetic-molecular theory of gases) is the theory that HYPERLINK http//en.wikipedia.org/wiki/Gasgases are made up of a large number of small particles (HYPERLINK http//en.wikipedia.org/wiki/Atomatoms or HYPERLINK http//en.wikipedia.org/wiki/Moleculemolecules)‚ all of which are in constant‚ HYPERLINK http//en.wikipedia.org/wiki/Randomnessrandom HYPERLINK http//en.wikipedia.org/wiki/Motion_(physics)motion. The rapidly moving particles constantly collide with each other
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