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Biodegradable solid polymeric Materials Today course overview and administrative details Intro to concepts covered Chemistry and physical chemistry of biodegradable polymeric solids Hand-outs course syllabus Course administrative details Readin Third-Generation Biomedical Materials. \LL Hench and j M. Polak. Science 295
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How can the paradox with the spring be plained? In other words, which of the following statements is true 1. Equilibrium can be derived from the equiv alence of the external and the internal work 2. Equilibrium is an artifact of our imagina- tion
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which generalizes to the statement. This reduces the number of material constants from 81 to 54. In a similar fashion we can make use of the symmetry of the strain tensor This further reduces the number of material constants to 36. To further reduce the number of material constants consider the conclusion from the first law for elastic materials, equation
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Before we look specifically at thin-walled sections, let us consider the general case (i.e, thick-Walled) Hollow thick-walled sections Figure 12.1 Representation of a general thick-walled cross-section 中=c2 on one boundary φ=c1 on one boundary This has more than one boundary(multiply-connected do=0 on each boundary
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We have thus far looked at In-plane loads torsional loads In addition, structures can carry loads by bending. The 2-D case is a plate, the simple 1-d case is a beam. Let's first review what you learned in Unified as Simple Beam Theory
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This lecture: Mount pp 1-7, 29-35, 45-48, Next lecture: Mount pp 8-9, 65-89, 96-115, +more TheProteinDataBank(pdb-http.://ww.pdb.org/)isthesingle worldwide repository for the processing and distribution of 3-D biological macromolecular structure data Berman, H. M, J. Westbrook, Z Feng, G. Gilliland, T N. Bhat
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Have dealt, thus far, with perfect columns, loading eccentricities, and beam-columns. There are, however, many more issues in buckling/(static) structural instability, most of which will try to touch on a) Buckling versus Fracture Have looked at columns that are long enough such that they buckle
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Earlier looked at Simple Beam Theory in which one considers a beam in the x-z plane with the beam along the x-direction and the load in the z-direction Figure 14.1 Representation of Simple Beam Now look at a more general case Loading can be in any direction
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Introduction to Engineering Heat Transfer These notes provide an introduction to engineering heat transfer. Heat transfer processes set limits to the performance of aerospace components and systems and the subject is one of an enormous range of application. The notes are intended to describe the three types of heat transfer and provide basic tools to enable the readers to estimate the magnitude of heat transfer rates in realistic aerospace
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Plan for Today CAD Lecture(ca 50 min) CAD History, Background Some theory of geometrical representation SolidWorks Introduction(ca. 40 min) Follow along step-by-step Create CAD model of your part(ca. 90 min) Work in teams of two Use hand sketch as starting point
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