Results 91 to 100 of about 238 (121)

Influence of bimoment on the torsional and flexural–torsional elastic stability of thin-walled beams

Thin-Walled Structures, 2015
Abstract This article studies the influence of the bimoment on the buckling of thin-walled beams with open cross section subjected to axial loading. In the case of torsional and torsional-flexural buckling of thin-walled Z-section beam, it is shown that influence of the bimoment could be of importance in the assessment of buckling loads.
A Prokíc
exaly   +5 more sources

Bimoment Contribution to Buckling of Thin-Walled Beams with Different Boundary Conditions

Journal of Engineering Mechanics - ASCE, 2017
AbstractIn this paper the influence of bimoment, induced by external axial loads, on the global buckling of thin-walled Z-section beams, subjected to different boundary conditions, is studied.
A Prokíc
exaly   +4 more sources

Torsional buckling of thin-walled beams in presence of bimoment induced by axial loads [PDF]

Tehnicki Vjesnik, 2015
In this paper the influence of the bimoment induced by external axial loads on the elastic torsional buckling of thin-walled beams with open cross-section is studied. The governing differential equations of a deformed thin-walled beam consistent with Vlasov's classical assumptions are derived applying the principle of virtual displacements. It is shown
Aleksandar Prokíc
exaly   +6 more sources

Twist Control of an I-beam Through Vlasov Bimoment Actuation

49th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference <br> 16th AIAA/ASME/AHS Adaptive Structures Conference<br> 10t, 2008
The research presented in this paper examines the twisting of an I-beam spar through the application of differential axial loads (Vlasov bimoments). This is of interest for variable twist helicopter rotor blades where the outboard 12 − 32% of the blade can undergo large quasi-static twist variations for optimal performance over diverse operating ...
Farhan Gandhi
exaly   +3 more sources

New interaction formula for plastic resistance of channel sections under combinations of bending moments My,Ed, Mz,Ed and bimoment BEd [PDF]

Structures, 2022
[EN] The interaction formulae for the plastic resistance of channel sections under combination of 4 internal forces: the bending moment about strong axis My,Ed, the bending moment about weak axis Mz,Ed, the bimoment BEd and the axial force NEd were ...
Antonio Agüero, Mario Lazaro
exaly   +2 more sources

New interaction formula for the plastic resistance of I- and H-sections under combinations of bending moments My,Ed, Mz,Ed and bimoment BEd

Structures, 2021
[EN] Three approximate interaction formulae for the plastic resistance of I-shaped cross-sections under bending moment about strong axis My,Ed, bending moment about weak axis Mz,Ed and bimoment BEd were created and analyzed.
Antonio Agüero
exaly   +2 more sources

Bimoment theory construction to assess the stress state of thick orthotropic plates

IOP Conference Series: Earth and Environmental Science, 2020
Abstract The paper is devoted to the development of a theory and method for calculating thick plates. A detailed analysis of well-known publications devoted to this problem is given. A theory and a method were developed to assess the stress-strain state of thick plates without simplifying hypotheses within the framework of three ...
Mirziyod Mirsaidov
exaly   +2 more sources

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Warping bimoment and its effect on analysis of thin-walled sections

AIP Conference Proceedings, 2022
Tesfaldet Gebre, Vera Galishnikova, Evgeny Lebed, Evgeniya Tupikova, Vasile Enache   +4 more
exaly   +2 more sources

Bimoment contribution to stability of thin-walled assemblages

Computers and Structures, 1980
Abstract A finite element formulation for stability problems of structures assembled from thin-walled members with open crosssection is presented. The contribution of bimoment toward stability of unsymmetrical sections is included. Using the solutions of the homogeneous differential equations governing the static behavior as deformation modes, the ...
Chai Hong Yoo
exaly   +3 more sources

Yield Surfaces for I‐Sections with Bimoments

Journal of Structural Engineering, 1989
This paper presents the yield‐surface diagrams for an I‐section subjected to five active‐stress resultants, including the axial compression, two bending moments, torsion, and bimoment. The difficulties involved in establishing the five‐dimensional yield‐surface equations are circumvented through the adoption of a parametric approach.
Yeong‐Bin Yang, Shue‐Ming Chern, Hung‐Taw Fan   +2 more
openaire   +1 more source