Nov 2013 Outline 2/83 Design of 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
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borehole. Thus differentiating brittle from ductile rocks has been the key to unique success in shale gas reservoirs. In the lab scale‚ The Brittle failure is occurred when the ability of the rock to resist load decreases with increasing deformation. Brittle failure is induced with materials that undergo little to no permanent deformation before failure and depending on the test conditions which may occur suddenly and catastrophically.
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ENRON: A FINANCIAL REPORTING FAILURE? Anthony H. Catanach Jr.1 Associate Professor 610-519-4825 anthony.catanach@villanova.edu and Shelley Rhoades-Catanach Associate Professor Both at Villanova University College of Commerce and Finance Department of Accountancy INTRODUCTION The dramatic collapse of Enron Corporation‚ following a series of disclosures of accounting improprieties‚ has led many to question the soundness of current accounting and financial reporting standards. Within Enron’s reported
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Why Teams Fail Teams fail for a number of reasons‚ including poor planning for the implementation of teams and a lack of training. Research by The Ken Blanchard Companies® has identified the top 10 reasons for a team failing to reach its potential. 1. Lack of a sufficient charter 2. Unsure of what requires team effort 3. Lack of mutual accountability 4. Lack of resources 5. Lack of effective and/or shared leadership 6. Lack of planning 7. Lack of management support 8. Inability to
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Everyone’s lives consist of many bouts with failure and success. Is it better to go through life never experiencing failure? Some would say yes because then you wouldn’t have to deal with the heartache of failing‚ while others would say no because you gain knowledge and experience from failing. Success is defined as achievement of something unintended or desired such as attaining wealth‚ fame‚ or prosperity. Success is seen differently between every viewer. There are many different ways in which
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S1 In my presentation I’m going to analyse the “Brand Failure”‚ giving some examples… S2 …Like: INTRODUCTION: Some rules why brands fail Brand myths CLASSIC FAILURES: New Coke VS Pepsi IDEA AND CULTURAL FAILURES: Kellogs cereal mates Kellogs in India Schweppes tonic water in Italy S3 Introduction In the past‚ branding was created to protect products from failure‚ and products were responsible for the fate of a company: when the sales decreased‚ the product failed. Now the
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Heart Failure and Incident Late –Life Depression According to Hendrika J. Luijendijka et al. They have written an article discussing about heart failure and depression in elderly people. In the article “Heart Failure and incident late-life Depression.” The aim of this research is to determine if heart failure (HF) increases the risk of developing depression.” They have gathered five thousand and ninety-five participants with majority of elderly individuals. To specify‚ researchers collected patients’
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Economists have identified four main causes of market failure: The abuse of market power‚ which can occur whenever a single buyer or seller can exert significant influence over prices or output. Externalities- when the market does not take into account the impact of an economic activity on outsiders. For example‚ the market may ignore the costs imposed on outsiders by a firm polluting the environment. Public goods such as national defence. How much defence would be provided if it were
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distractions may be at hand. There are many ways to do this‚ and they have much to do with teaching style. However‚ if style alone won’t do it‚ there is another way to show who holds the winning hand in the classroom. That is to reveal the trump card of failure. 5 I will never forget a teacher who played that card to get the attention of one of my children. Our youngest‚ a world-class charmer‚ did little to develop his intellectual talents but always got by. Until Mrs. Stifter. 6 Our son was a high-school
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“Communication is not an easy process. It involves verbal and non-verbal attempts to assist the other person to understand what we are trying to communicate. Yet it often fails.” The communication occurring between two people as discussed in the statement above is known by academics as ‘interpersonal communication’. Interpersonal communication can be defined as a two-way‚ transactional process in which two people‚ occupying a shared space‚ continue to send information to each other and receive
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