The command macro powerh is used to calculate the

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Unformatted text preview: ibuted load ω across the span. Determine the maximum rotation, and maximum bending moment. The moment of inertia for the span, Ispan is five times the moment of inertia for the columns, Icol. Figure 217.1 Portal Frame Problem Sketch Material Properties Ex = 30 x 106 psi Nuxy = 0.3 Loading ω = -500 lb/in Geometric Properties a = 400 in L = 800 in Ispan = 5 Icol Icol = 20300 in4 I-Beam Section Data W1 = W2 = 16.655 in W3 = 36.74 in t1 = t2 = 1.68 in t3 = 0.945 in ANSYS Verification Manual . ANSYS Release 9.0 . 002114 . © SAS IP, Inc. 1–498 VM217 Analysis Assumptions and Modeling Notes All the members of the frame are modeled using an I-Beam cross section. The cross section for the columns is chosen to be a W36 x 300 I-Beam Section. The dimensions used in the horizontal span are scaled by a factor of 1.49535 to produce a moment of inertia that is five times the moment of inertia in the columns. The columns are modeled with BEAM188, while the span is modeled with BEAM189 elements. The theoret...
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