Littérature scientifique sur le sujet « Thin-walled open-section »
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Articles de revues sur le sujet "Thin-walled open-section"
Chen, Zhewu, Zhanda Huang, Yong Guo et Guibing Li. « Prediction of Mechanical Properties of Thin-Walled Bar with Open Cross-Section under Restrained Torsion ». Coatings 12, no 5 (21 avril 2022) : 562. http://dx.doi.org/10.3390/coatings12050562.
Texte intégralŠimić Penava, Diana, et Maja Baniček. « Critical Force Analysis of Thin-Walled Symmetrical Open-Section Beams ». Applied Mechanics and Materials 827 (février 2016) : 283–86. http://dx.doi.org/10.4028/www.scientific.net/amm.827.283.
Texte intégralHEMATIYAN, M. R., et E. ESTAKHRIAN. « TORSION OF FUNCTIONALLY GRADED OPEN-SECTION MEMBERS ». International Journal of Applied Mechanics 04, no 02 (juin 2012) : 1250020. http://dx.doi.org/10.1142/s1758825112500202.
Texte intégralEcsedi, István, Ákos József Lengyel, Attila Baksa et Dávid Gönczi. « Saint-Venant’s torsion of thin-walled nonhomogeneous open elliptical cross section ». Multidiszciplináris tudományok 11, no 5 (2021) : 151–58. http://dx.doi.org/10.35925/j.multi.2021.5.15.
Texte intégralGupta, R. K., et K. P. Rao. « Instability of laminated composite thin-walled open-section beams ». Composite Structures 4, no 4 (janvier 1985) : 299–313. http://dx.doi.org/10.1016/0263-8223(85)90030-3.
Texte intégralSun, De Fa. « Overall Stability of Open Cold-Formed Thin-Walled Steel Members with Hat Sections and Batten Plates under Axial Loads ». Advanced Materials Research 368-373 (octobre 2011) : 89–93. http://dx.doi.org/10.4028/www.scientific.net/amr.368-373.89.
Texte intégralSun, De Fa. « Overall Stability of Cold-Formed Steel Lipped Channel Axially Compressed Members with Batten Plates ». Applied Mechanics and Materials 94-96 (septembre 2011) : 953–57. http://dx.doi.org/10.4028/www.scientific.net/amm.94-96.953.
Texte intégralAndjelic, Nina, et Vesna Milosevic-Mitic. « An approach to the optimization of thin-walled cantilever open section beams ». Theoretical and Applied Mechanics 34, no 4 (2007) : 323–40. http://dx.doi.org/10.2298/tam0704323a.
Texte intégralKreja, Ireneusz, Tomasz Mikulski et Czeslaw Szymczak. « ADJOINT APPROACH SENSITIVITY ANALYSIS OF THIN‐WALLED BEAMS AND FRAMES ». JOURNAL OF CIVIL ENGINEERING AND MANAGEMENT 11, no 1 (31 mars 2005) : 57–64. http://dx.doi.org/10.3846/13923730.2005.9636333.
Texte intégralOmidvar, B., et A. Ghorbanpoor. « Nonlinear FE Solution for Thin-Walled Open-Section Composite Beams ». Journal of Structural Engineering 122, no 11 (novembre 1996) : 1369–78. http://dx.doi.org/10.1061/(asce)0733-9445(1996)122:11(1369).
Texte intégralThèses sur le sujet "Thin-walled open-section"
Hamid, A. B. A. « Bending of thin-walled beams of shallow open section ». Thesis, University of Strathclyde, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.303260.
Texte intégralKing, Simon Alexander. « Nonlinear and chaotic dynamics of thin-walled open-section deployable structures ». Thesis, University of Cambridge, 1998. https://www.repository.cam.ac.uk/handle/1810/272155.
Texte intégralNINA, JULIO CESAR COAQUIRA. « NONLINEAR OSCILLATIONS AND DYNAMIC INSTABILITY OF THIN-WALLED BEAMS WITH OPEN CROSS-SECTION ». PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2016. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=33893@1.
Texte intégralCOORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR
PROGRAMA DE EXCELENCIA ACADEMICA
Estruturas com elementos de seção aberta e paredes delgadas são amplamente utilizados em estruturas metálicas. Estes elementos têm, em geral, baixa rigidez a torção. Para seções monosimétricas e assimétricas, quando o centro de cisalhamento não coincide com o centro de gravidade, pode ocorrer acoplamento entre flexão e torção. Devido à baixa rigidez à torção, podem ocorrer grandes rotações das seções transversais da viga. Assim, uma análise do comportamento de tais elementos estruturais, levando em consideração a não linearidade geométrica, é desejável. Com este objetivo, equações diferenciais parciais de movimento que descrevem o acoplamento flexão-flexão-torção são utilizadas, em conjunto com o método de Galerkin, para se obter um conjunto de equações discretizadas de movimentos, que é resolvido pelo método Runge-Kutta. A partir das equações linearizadas, obtêm-se as frequências naturais, cargas críticas axiais e a relação entre carga axial e frequência para vigas com diferentes condições de contorno. A seguir, estudam-se as oscilações não lineares e bifurcações de uma viga engastada-livre submetida a cargas laterais harmônicas. Uma análise paramétrica detalhada, usando várias ferramentas de dinâmica não linear, investiga o comportamento dinâmico não linear e não planar da viga nas três primeiras regiões de ressonância e a influência da não linearidade, posição do carregamento, restrições à torção e parâmetros de controle do carregamento na estabilidade dinâmica da estrutura.
Structural elements with open and thin-walled section are widely used in metal structures. These elements have, in general, low torsional stiffness. For monosymmetric and asymmetric sections, when the shear center does not coincide with the center of gravity coupling between bending and torsion may occur. Due to the low torsional stiffness, large twist beam cross sections may arise. Thus, an analysis of the behavior of such structural elements, taking into account the geometric nonlinearity, is desirable. For this purpose, partial differential equations describing the flexural-flexural-torsional coupling are used in conjunction with the Galerkin method to obtain a set of discretized equations of motion, which is solved by the Runge-Kutta method. From the linearized equations, we obtain the natural frequencies, axial critical loads, and the axial load and frequency relationship for beams with different boundary conditions. Next, we study the nonlinear oscillations and bifurcations of a clamped-free beam subjected to harmonic lateral loads. A detailed parametric analysis, using various nonlinear dynamics tools, investigates the nonlinear dynamic behavior and nonplanar motions of the beam for the first three regions of resonance and the influence of the non-linearity, loading position, torsional restraints and load control parameters on the dynamic stability of the structure.
Akman, Mehmet Nazim. « Analysis Of Thin Walled Open Section Tapered Beams Using Hybrid Stress Finite Element Method ». Master's thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/2/12609246/index.pdf.
Texte intégralNanayakkara, Masarachige A. « Finite element analysis for the elastic stability of thin walled open section columns under generalized loading ». Thesis, Loughborough University, 1986. https://dspace.lboro.ac.uk/2134/7501.
Texte intégralJrad, Wassim. « Dynamic behavior of thin-walled beams : Analytical, numerical and experimental approaches ». Electronic Thesis or Diss., Université de Lorraine, 2019. http://www.theses.fr/2019LORR0271.
Texte intégralThin-walled beams with open section constitute main elements in engineering applications fields as in civil engineering, automotive and aerospace construction. Due to slenderness and cross section shapes, these elements are very sensitive to torsion and instabilities in both statics and dynamics. In dynamics, the torsional and flexural-torsional modes of vibration are often lower frequencies compared to the classical plane pure bending modes. Thus, planar failures of such structures are known to be an exception rather than a rule. In torsion, warping is important and governs the behavior. In this thesis work, we are interested with the dynamic behavior of thin-walled beams with arbitrary open cross sections. Based on the Vlasov’s model accounting for warping, the 3D motion equations are derived from the Hamilton’s principle. Original analytical solutions for different boundary conditions are derived for higher free vibration modes. In these solutions, the effects of the inertial rotation terms in bending and torsion are taken into consideration. For more general cases, a 3D beam finite element model is described and implemented. Compared to conventional 3D beams, warping is considered as an additional Degree Of Freedom (DOF). The mass and stiffness matrices are obtained by numerical integration (Gauss method). In the model, free and forced vibration analyses are possible. The model is validated by comparison with benchmark solutions available in the literature and other numerical results obtained from simulation on commercial codes. In order to validate the present model, laboratory test campaign is undertaken at the LEM3 laboratory in Metz. Tests are carried out on thin-walled beams with different boundary conditions. Free and forced vibration tests are performed using impact hammer and shaker machine. In the presence of arbitrary sections, flexural-torsional vibration modes are observed. The analytical, the numerical and the experimental solutions are compared and validated. Moreover, the numerical and experimental dynamic response spectra are compared. A good agreement between the various solutions is remarked. The model is extended to 3D beams in presence of lateral braces. 3D elastic and viscous springs are added in the finite element model. The effect of the springs is studied in order to improve the behavior of thin-walled beams against undesirable lateral bending and torsion modes
NITTI, GIUSEPPE. « Static, Dynamic, and Stability Analysis of High-rise Buildings ». Doctoral thesis, Politecnico di Torino, 2020. http://hdl.handle.net/11583/2847156.
Texte intégralGeara, Fadi. « Contribution à l'étude de la torsion des poutres en voiles minces et des poutres à profil dissymétrique ». Châtenay-Malabry, Ecole centrale de Paris, 1998. http://www.theses.fr/1998ECAP0598.
Texte intégralChuang, Shih-Wei, et 莊士緯. « Nonlinear analysis of bisymmetric thin-walled open-section Timoshenko beam ». Thesis, 2013. http://ndltd.ncl.edu.tw/handle/12221150682211743504.
Texte intégral國立交通大學
機械工程系所
102
A consistent co-rotational total Lagrangian finite element formulation for the geometric nonlinear buckling and postbuckling analysis of bisymmetric thin-walled Timoshenko beams is presented. The element developed here has two nodes with seven degrees of freedom per node. The element nodes are chosen to be located at the centroid of the end cross-sections of the beam element and the axis of centroid is chosen to be the reference axis. The deformations of the beam element are described in the current element coordinate system constructed at the current configuration of the beam element. The exact kinematics of the Timoshenko beam is considered. The element nodal forces are derived using the virtual work principle with the consideration of the shear correction factor. The virtual rigid body motion corresponding to the virtual nodal displacements is excluded in the derivation of the element nodal forces. A procedure is proposed to determine the virtual rigid body motion. A consistent second-order linearization of the element nodal forces is used here. Thus, all coupling among bending, shearing, twisting, and stretching deformations of the beam element is retained. In the derivation of the element tangent stiffness matrix, the change of element nodal forces induced by the element rigid body rotations should be considered for the present method. Thus, a stability matrix is included in the element tangent stiffness matrix. An incremental-iterative method based on the Newton–Raphson method combined with constant arc length of incremental displacement vector is employed for the solution of nonlinear equilibrium equations. The zero value of the tangent stiffness matrix determinant of the structure is used as the criterion of the buckling state. A bisection method of the arc length is used to find the buckling load. Numerical examples are studied and compared with the results obtained by using Euler beam element to demonstrate the accuracy and efficiency of the proposed method and to investigate the effect of the shear deformation on the loading–deflection curves and buckling load of the bisymmetric thin-walled beams.
Lin, Chun-Li, et 林群禮. « Nonlinear dynamic analysis of bisymmetric thin-walled open-section Timoshenko beam ». Thesis, 2014. http://ndltd.ncl.edu.tw/handle/30446213549429090991.
Texte intégral國立交通大學
機械工程系所
103
A co-rotational finite element formulation for the nonlinear dynamic analysis of bisymmetric thin-walled Timoshenko beams is presented. The element deformation nodal force and tangent stiffness matrix are derived by consistent co-rotational formulation. The element inertia nodal force and inertia matrix are derived by co-rotational total Lagrangian formulation. The element developed here has two nodes with seven degrees of freedom per node. The element nodes are chosen to be located at the centroid of the end cross-sections of the beam element and the axis of centroid is chosen to be the reference axis. A rotation vector is used to represent the finite rotation of coordinate systems rigidly tied to each node of the discretized structure. The incremental nodal displacement vectors and rotation vectors in global coordinates are used to update the node locations and orientation of the element. The deformations of the beam element are described in the current element coordinate system constructed at the current configuration of the beam element. Three rotation parameters are defined to describe the relative orientation between the element cross section coordinate system rigidly tied to the unwrapped cross section and the current element coordinate system. The exact kinematics of the Timoshenko beam is considered. The element deformation nodal forces and inertia nodal forces are derived using the nonlinear beam theory, d’Alembert principle, virtual work principle, and consistent second degree linearization at the current coordinate of the beam element. The terms up to the second order of spatial derivatives of deformation parameters are retained in the element deformation nodal forces, and the terms up to the second order of time derivatives of deformation parameters are retained in the element inertia nodal forces. However, the coupling between deformation parameters and their time derivatives are not considered in the element inertia nodal forces. The element tangent stiffness matrix is derived using the relations between the variation of the element nodal displacement vectors and rotation vectors and the corresponding variation of element nodal forces. The element inertia matrices may be obtained by differentiating the element inertia nodal forces with respect to the first and second time derivatives of the element nodal parameters. An incremental-iterative method based on the Newmark direct integration method and the Newton-Raphson method are employed here for the solution of the nonlinear equations of motion. Numerical examples are presented to demonstrate the accuracy and efficiency of the proposed method.
Livres sur le sujet "Thin-walled open-section"
Nanayakkara, M. A. Finite element analysis for the elastic stability of thin walled open section columns under generalized loading. 1986.
Trouver le texte intégralChapitres de livres sur le sujet "Thin-walled open-section"
Rossikhin, Yury A., et Marina V. Shitikova. « Engineering Theories of Thin-Walled Beams of Open Section ». Dans SpringerBriefs in Applied Sciences and Technology, 3–17. Berlin, Heidelberg : Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-20969-7_2.
Texte intégralRossikhin, Yury A., et Marina V. Shitikova. « Peculiarities of Transient Wave Propagation in Thin-Walled Beams of Open Section ». Dans SpringerBriefs in Applied Sciences and Technology, 81–86. Berlin, Heidelberg : Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-20969-7_6.
Texte intégralCammarano, Sandro, Giuseppe Lacidogna, Bartolomeo Montrucchio et Alberto Carpinteri. « Experimental Evaluation of the Warping Deformation in Thin-Walled Open Section Profiles ». Dans Advancement of Optical Methods in Experimental Mechanics, Volume 3, 231–42. Cham : Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-06986-9_26.
Texte intégralMalinowski, M. « Lateral Buckling of Sandwich Beams of Arbitrary Open Cross Section ». Dans Thin-Walled Structures, 687–92. CRC Press, 2018. http://dx.doi.org/10.1201/9781351077309-78.
Texte intégralPIGNATARO, M., N. RIZZI et A. LUONGO. « THIN-WALLED BEAMS WITH OPEN CROSS-SECTION ». Dans Stability, Bifurcation and Postcritical Behaviour of Elastic Structures, 217–73. Elsevier, 1991. http://dx.doi.org/10.1016/b978-0-444-88140-3.50013-0.
Texte intégral« Thin-walled structures with an open cross section ». Dans Crush Mechanics of Thin-Walled Tubes, 255–82. CRC Press, 2015. http://dx.doi.org/10.1201/b19257-6.
Texte intégralMagnucka-Blandzi, E., R. Krupa et K. Magnucki. « Shaping of open cross section of the thin-walled beam with flat web and multiplate flange ». Dans Thin-Walled Structures - Advances and Developments, 567–73. Elsevier, 2001. http://dx.doi.org/10.1016/b978-008043955-6/50062-8.
Texte intégralBamonte, Patrick, Roberto Felicetti, Pietro G. Gambarova et Ezio Giuriani. « Thin-walled open-section P/C beams in fire : a case study ». Dans fib Bulletin 57. Shear and punching shear in RC and FRC elements Technical report, 173–94. fib. The International Federation for Structural Concrete, 2010. http://dx.doi.org/10.35789/fib.bull.0057.ch11.
Texte intégral« Transient Dynamic Response of Spatially Curved Thermoelastic Thin-Walled Beam of Open Section ». Dans Encyclopedia of Thermal Stresses, 6164. Dordrecht : Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-007-2739-7_100773.
Texte intégralKolakowski, Z., R. J. Mania et A. Teter. « Influence of elements of coupling stiffness sub-matrix on nonlinear stability FGM-FML thin-walled columns with open cross-section ». Dans Shell Structures : Theory and Applications Volume 4, 247–50. CRC Press, 2017. http://dx.doi.org/10.1201/9781315166605-54.
Texte intégralActes de conférences sur le sujet "Thin-walled open-section"
Li, Yang, et Zhong You. « Thin-Walled Open-Section Origami Beams for Energy Absorption ». Dans ASME 2014 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/detc2014-35204.
Texte intégralREHFIELD, LAWRENCE, et ALI ATILGAN. « On the buckling behavior of thin walled laminated composite open section beams ». Dans 30th Structures, Structural Dynamics and Materials Conference. Reston, Virigina : American Institute of Aeronautics and Astronautics, 1989. http://dx.doi.org/10.2514/6.1989-1171.
Texte intégralRozylo, Patryk, et Hubert Debski. « Progressive failure analysis of thin-walled composite structure with open cross-section ». Dans COMPUTATIONAL TECHNOLOGIES IN ENGINEERING (TKI’2018) : Proceedings of the 15th Conference on Computational Technologies in Engineering. Author(s), 2019. http://dx.doi.org/10.1063/1.5092010.
Texte intégralDuan, Jin, et Yun-Gui Li. « About the Torsional Constant for thin-walled rod with open cross-section ». Dans 2017 3rd International Forum on Energy, Environment Science and Materials (IFEESM 2017). Paris, France : Atlantis Press, 2018. http://dx.doi.org/10.2991/ifeesm-17.2018.43.
Texte intégralHarursampath, Dineshkumar, Dewey Hodges et Ajay Harish. « Non-Classical Non-Linear Effects in Thin Walled Open Section Composite Beams ». Dans 49th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference
16th AIAA/ASME/AHS Adaptive Structures Conference
10t. Reston, Virigina : American Institute of Aeronautics and Astronautics, 2008. http://dx.doi.org/10.2514/6.2008-2306.
Harish, Ajay, et Dineshkumar Harursampath. « Analytical Solutions for Dynamic Behavior of Thin-Walled Open-Section Composite Beams ». Dans 53rd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference
20th AIAA/ASME/AHS Adaptive Structures Conference
14th AIAA. Reston, Virigina : American Institute of Aeronautics and Astronautics, 2012. http://dx.doi.org/10.2514/6.2012-1872.
Yu, Dianlong, Yaozong Liu, Jing Qiu, Gang Wang et Jihong Wen. « Triply Coupled Vibration Band Gaps in Periodic Thin-Walled Open Cross Section Beams ». Dans ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-79880.
Texte intégralOgi, Yoshiro, et Ken Higuchi. « Dynamics of a Spin-Axis Extending Shaft of Thin-Walled Open Cross-Section ». Dans 49th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference
16th AIAA/ASME/AHS Adaptive Structures Conference
10t. Reston, Virigina : American Institute of Aeronautics and Astronautics, 2008. http://dx.doi.org/10.2514/6.2008-1955.
Coaquira, Júlio C., Paulo B. Gonçalves et Eulher C. Carvalho. « Dynamic Instability of Cantilever Beams With Open Cross-Section ». Dans ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-65674.
Texte intégralCHEN, XIAOQIN, RAM MOHAN et KUMAR TAMMA. « Instantaneous response of elastic thin-walled structures with arbitrary open cross section to rapid heating ». Dans 33rd Structures, Structural Dynamics and Materials Conference. Reston, Virigina : American Institute of Aeronautics and Astronautics, 1992. http://dx.doi.org/10.2514/6.1992-2544.
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