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Boeing Company

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Michigan Technological University

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Beam/Tube Module

Cross sections include solid plate, elliptical, circular, rectangular, I, C, U and T sections. Bending deflection, moments, stresses, etc. are calculated for point, uniform distributed and triangular loadings using combinations of fixed, free and simple supports. Torsional stresses and deflections can be determined. Fundamental vibration frequencies of bending and twisting are determined for a variety of end conditions and end masses. Cylindrical stability for external pressure, bending, torsion and axial compression is available as well as column stability calculations.

Beam / Tube Module Screen Shot
For closed cross sections ply placement through the laminate is taken into account. Pressure vessel analysis for thin walled pipes and tanks. Thick wall vessel analysis for thick walled pipes and tanks. Calculations are based upon beam theory (Roarks Formulas for Stress and Strain) and NASA SP-8007 cylindrical stability.