PPT-Normal Stress Developing in Magnetorheological (MR) Fluids.

Nikki Cain Northern Arizona University Mentor Constantin Ciocanel PhD Department of Mechanical Engineering Understand the normal stress developing in magnetorheological fluids MRF MRF Smart material made of a carrier fluid and . Stress is a way that our body responds to the demands made upon us by the environment our relationships and our perceptions and interpretations of those demands We all experience bo th good stress and bad stress Good stress is that optimal amount of I need 3 volunteers . Stress. Body’s response to a demand. Stressor. Any situation that puts a demand on the body of mind. Environmental- pollution, poverty, crowding, noise. Biological- illness, disability or injury. Quiz 7 – 2014.01.10 . Question (15 . mins. ). A small capillary with an inside diameter of 2.22 .  10. -3. m and a length 0.317 m is being used to continuously measure the flow rate of a liquid having a density of 875 kg/m. Pages 66 – 84 in textbook.. A substance that has the capacity to flow and assume the form of the container into which it has been poured.. What is a fluid?. Water, milk, blood and saliva. Gases are also considered fluids: air, helium and ozone.. GETTING THE JOB DONE. A safe worker is a productive worker. When . worker capacity is impaired, so is productivity. Inadequate . hydration . leads to a loss in productivity. When a worker is 2% dehydrated, they’re 20% less productive. How about that stress?. Evolutionary Basis. Meet Hans . Selye. , . Father of Stress Research…. Medical . researcher in Montreal . Studied hormonal . changes in rats . Late . 1930s, he realized that the rats he was studying were responding not merely to his . Dr. Ahmet . demir. Introduction. Stress is a fact of everyday life. When people reach out for help, they are often dealing with circumstances, situations, and stressors in their lives that leave them feeling emotionally and physically overwhelmed. . Video. Cary woke up this morning with a vague sense of dread. Now, sitting at her desk at school, she has butterflies in her stomach and her palms are sweaty. Today is oral report day, and Cary is next. She is nervous about speaking in front of classmates.. Objectives. Following completion of this training, you will be able to:. Define stress and the various types of stress. Identify sources of stress. Evaluate sources of stress in your life. Identify positive strategies for coping and managing stress. Key Points:. Bending moment causes beam to deform.. X = longitudinal axis. Y = axis of symmetry. Neutral surface – does not undergo a change in length. 6.2 Bending Deformation and Strain. Key Points:. Richard P. . Ebstein. , Ph.D.. Department of Psychology. National University of Singapore. & Hebrew University, Jerusalem. UNDER REVIEW. Psychosocial stress. Psychosocial stress along with the coping styles that people employ when challenged by stress, are considered important determinants of overall wellbeing . Understand the impact of stress. Understand coping strategies to help deal with stress. What is Stress?. Most commonly it’s a mix of anxiety (tension, nerves) and depression (feeling flat/sad). Stress is very common – we all have stress in our lives and there are times when this is worse that others. . Stress can be caused by both positive and negative external factors, such as falling in love or taking an exam.. Some things people commonly worry about are:. Having enough time or meeting deadlines. Problem solving example. Principal stresses and max shear stress – will the material break under loading?. Problem solving example. Introduction – stresses at a point. When a body is loaded by normal and shear stresses, we can consider any point in that body as a .