## Extension-bend-twist-shear coupling behavior of pretwisted advanced composite beams |

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### Contents

Introduction | 1 |

SaintVenant elasticity Solutions of a Tiploaded | 34 |

Linear Behavior of Prismatic Anisotropic Beams | 75 |

2 other sections not shown

### Common terms and phrases

advanced composite analytical angle anisotropic cantilever beam anisotropic shear center applied flexure array aspect ratio beam composed beam length beam theory boundary conditions centroid coefficients composite spars coordinate coupling behavior cross section cross-section deformations damping levels defined as follows developed displacement distributions displacement field distributed load elasticity solutions elliptical cross section extension-twist coupling finite element model free vibration free-free geometric graphite/epoxy homogeneous in-plane deformation isotropic material kinematic kinematic variables Kosmatka and Dong linear matched mold material definitions matrix mode shapes natural frequencies Non-dimensionalized nonlinear Numerical results out-of-plane warping plane ply orientation presented in figure prismatic anisotropic beams prismatic beam rectangular cross section Reddy respectively rotation Saint-Venant shear center location shear deformation shear strains shear stress shear stress distribution strain energy strain measures stress resultants structures substituting equations Theory of Elasticity thin-wall tip displacements torsion transverse shear stresses untwist variation vector warping functions Young's modulus zero