Isogeometric_analysis_of_nonlinear_Euler-Bernoulli_beam_vibrations.pdf Isogeometric_fluid-structure_interaction.pdf Isogeometric_analysis_An_overview_and_computer_implementation_aspects.pdf Hughes_T.J.R._Isogeometric_analysis_CAD_finite_elements_NURBS_exact_geometry_and_mesh_refinement.pdf J._Austin_Cottrell_Thomas_J.R._Hughes_Yuri_Bazilevs-Isogeometric_Analysis__Toward_Integration_of_CAD_and_FEA-Wiley_(2009.pdf Kinematically_exact_curved_and_twisted_strain-based_beam.pdf