Xiaotian Li

Xiaotian Li - Xiaotian Li Drew Rosecrans Geometry and Shear...

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Unformatted text preview: Xiaotian Li Drew Rosecrans Geometry and Shear Center of a Thin-Walled D-Shaped Cross Section The D cross section represents a typical mono-spar and leading edge torsion box of a wing. Our foremost goal is to attain knowledge and inner workings of the structures characteristics. Those characteristics include the location of the centroid, second moments of area, principle set of axis, and the shear center. Using the latest Matlab technology, we were able to obtain numerical solutions with symbolic variables. However, important assumptions were made, and those are listed as following: 1. To simplify geometry, we assumed the shape of the cross-section to be symmetrical about the X-axis. 2. The spars are assumed to point masses located at the exact corners between the web and the spline. 3. The shape of the spar, accounting them for second moment of area, is rectangular. For the sake of numerical integration we had to define the specifications of the wing box not using variables. All of the specs are defined at the top of the M-file as so they can be easily changed by the user variables....
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Xiaotian Li - Xiaotian Li Drew Rosecrans Geometry and Shear...

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