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# êµ¬ì¡°ì—­í•™ë°_ì‹¤í

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구조역하및 실험 Problem Solution – Homework #5 5.1 Solution : Assume: Transverse shear force acts through the shear center, no torsional effect exists. Loss of material at the cut is negligible, centroid of the cross-sectional area is obviously at the center. Shear flow contour, The negative sign means that the actual direction of this shear flow is opposite to contour direction.

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Complete shear flow 5.2 Solution : Shear flow contours

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Shear flow 5.3 Solution : Figure 5.30 Shear flow contour

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Shear center (moment)
Figure 5.32 Shear flow

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Shear center
5.4 Solution : Contour direction is the same as in Figure 5.32

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5.5 Solution : Shear flow
Taking moment about Stringer 1, we have Twist angle per unit length Shear Center: Moment equation,

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The negative sign means that the shear center is to the left of stringer 1. 5.6
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