Get AAOS Atlas of Orthoses and Assistive Devices, 4th Edition PDF

By Hsu MD

ISBN-10: 0323039316

ISBN-13: 9780323039314

AAOS Atlas of Orthoses and Assistive units by means of Hsu MD, John D., Michael, John, Fisk MD, John [Mosby,2008] (Hardcover) 4th version [Hardcover]

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Extra info for AAOS Atlas of Orthoses and Assistive Devices, 4th Edition

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3-24 Cantilevered beam. 23 1 Basics F Y L/2 x X Simple Body-centered Face-centered Fig. 3-26 Space lattices for cubes. y ymax. base metal and some of the contributing alloy metal, they are potentially infinitely variable. L Fig. 3-25 Freely supported beam. Crystallinity The general expression for the deflection of the freely supported beam with the midspan load (Fig. 3-25) is given by: yðxÞ ¼ Fx3 FxL2 À 12EI 16EI ð3-20Þ The maximum deflection of the freely supported beam (ymax) occurs at the midspan when x ¼ L/2: ymax FL3 ¼ À48EI ð3-21Þ The negative sign in Equations 3-19 and 3-21 indicates that the maximum deflection is downward from the unloaded position.

In this location, called the neutral axis, the stress is zero. 5T-3T 3T-5T 2024-T3 3T-5T 4T-6T 4T-6T 5T-7T 6T-8T 6T-9T 2024-T36 4T-6T 5T-7T 5T-7T 6T-10T 7T-10T 8T-11T 2024-T4 3T-5T 4T-6T 4T-6T 5T-7T 6T-8T 6T-9T Support Support A Compression stresses F Top Adapted from Alcoa Aluminum Handbook. as much material as possible away from the neutral axis lowers the stress and therefore lowers the resulting strain on the member. This change in the moment of inertia contributing to the shape strength of the device is a major strength influencing factor that the practitioner can control.

An example is the acetal family; acetal resins are available in both homopolymer and copolymer types.

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AAOS Atlas of Orthoses and Assistive Devices, 4th Edition by Hsu MD


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