Stiffness

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  • Parana Pine: An Analysis Of Young's Modulus Value

    However the geometry of how the given load is placed onto the material is important as well, based on the tension and bending properties of the given material. Material Stiffness is the Young’s Modulus of a material, therefore the how much loads the material would resist before elastic deformation. For example: For the component stiffness of Timber, the Timber generally has more stiffness when it is placed on the ‘edge on’, since the deflection is smaller, usually of: 3mm at 1KN of load, this may be because this side of the timber is thicker which can also contribute to the stiffness of the material. Whereas if the timber were placed on a ‘flat face’ then the deflection would be: 58mm at 1KN load. This is due to the geometry of how the Timber is positioned, because when a Timber beam is placed on ‘Flat face’ the distance between the top face and bottom face is smaller, therefore the Young’s Modulus in Bending is notably lower and is more prone to higher deflection. Compared to the ‘edge on’ side of the Timber, which is stiffer and the deflection is…

    Words: 1494 - Pages: 6
  • Degenerative Joint Disease Case Study

    Degenerative joint disease (Osteoarthritis) is a breakdown of cartilage inside a joint. Common symptoms of Osteoarthritis are stiffness, pain and joint dysfunction (Better Health Channel, 2016, para. 5). Glucosamine is an effective treatment for Osteoarthritis (Arthritis Research, 2005, para. 3). The double-blind randomized clinical trial (RCT) conducted by Hamid Reza Arti and Mohammad Ebrahim Azemi in 2012 drew attention to Alendronate. Alendronate is known to have healing properties and…

    Words: 1650 - Pages: 7
  • Elastography Essay

    ABSTRACT Introduction: Elastography is considered a non-invasive imaging modality which determines the tumors according to their stiffness (elasticity). Strain images representing the relative stiffness of lesions in comparison to the stiffness of surrounding normal tissue as malignant tumors tend to be stiffer than the normal tissue, which results in under compression. Purpose: To prospectively evaluate the sensitivity and specificity of the real-time sonoelastography together with B-mode US…

    Words: 1194 - Pages: 5
  • Bending Strength Essay

    bar applied the load at the H-points (situated at the seat fixtures of in the top of the rocker) with gradual increments, until it reaches the maximum load. For each grade, the amount of deflection is recorded on a load-deflection graph. To confirm the maximum load which the body is not deformed permanently loading and unloading cycles are conducted during the test. The slope of the curve in the load-deflection graph will be as a result, the stiffness of the body (Malen 2011 p.124). Figure 44:…

    Words: 940 - Pages: 4
  • Juvenile Rheumatoid Arthritis (JRA)

    Juvenile rheumatoid arthritis (JRA) is an inflammation of the joints that is the result of the body’s own immune system attacking the joints (Peacock & Ostrov, 2000). Juvenile rheumatoid arthritis is also known as juvenile idiopathic arthritis (JIA) (Brescia, 2012). There are seven major types of JRA, which are: systemic JIA; oligoarthritis; polyarticular arthritis, rheumatoid factor negative; polyarticular arthritis, rheumatoid factor positive; psoriatic arthritis; enthesitis-related…

    Words: 785 - Pages: 4
  • The Two Properties Of The Mass Spring System

    two properties, Mass and Stiffness. Air also has two similar properties, mass and elasticity. Stiffness and elasticity are interchangeable quantities as both possess the same features. A spring is a highly elastic object which can be displaced from equilibrium through applying a force to the mass. This is generally done by compressing or stretching the spring. By compressing the spring, the spring is displaced from equilibrium and moved towards the right, automatically assigning a sense of…

    Words: 1338 - Pages: 6
  • Pallets Case Study

    The plastic pallets are known for rarely breaking and, therefore, have a limited deflection level for its load capacity (Rupert, 2011). Paper-based pallets can hold heavy loads, while placed on the floor (Rupert, 2011). However, should a forklift be used to pick it up, the pallet deflects due to the supporting area not being stiff enough (Rupert, 2011). Rupert (2011) states that many pallets have been tested without obtaining deflection measurements; however these pallets should not be ignored. …

    Words: 937 - Pages: 4
  • Vascular Smooth Muscle Cells Case Study

    In the aortic wall, stress is defined as force (F) per unit cross-sectional area, it mainly includes tension, which is stress that acts to dilate the aorta, and shear stress, which is stress that acts parallel to a surface. Strain is defined as deformation per unit of the original length, a relative change in shape or size, which is the ratio of the change caused by the stress to the original state of the aortic wall. And thus, the stiffer the aorta is, the higher the elastic modulus will be,…

    Words: 1053 - Pages: 5
  • Difference Between Osteoporosis And Arthritis

    caused by damage on the cartilage that lines the joints. This results to frictional damage on the joint tissues which in manifests as stiffness, inflammation, swelling, and joint pain. It is most commonly seen as a result of overuse of the joints like those involve in sports and other weight bearing activities How do they differ? Here are some of the defining differences of osteoporosis and arthritis. They are categorized to causes, general symptoms, treatment, and pain symptoms. Osteoporosis…

    Words: 864 - Pages: 4
  • Why Frozen Shoulder

    Frozen shoulder, otherwise known as adhesive capsulitis, is a condition in the shoulder characterized by stiffness, pain, and limitation of motion. It is typical in frozen shoulder to involve only one, although, few cases affect both shoulders. Causes: Frozen shoulder usually happen after a recent injury or after a medical procedure or from a medical condition such as stroke, diabetes, or mastectomy. The inability of moving the shoulder into its full range of motion because of pain results to…

    Words: 493 - Pages: 2
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