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Practical Advanced Design Considering Random Distribution of Initial Geometric Imperfections

Advances in Structural Engineering, 2011
Current advanced analysis and design of steel frames, allows for the most unfavorable combination of initial imperfections. In fact, however, the initial geometric imperfections and their combinations are all random distributions. Recognising this situation, the sway installation tolerances and bow imperfections of both columns and beams are all ...
Yaochun Zhang, Lu Jin, Jinyou Zhao
exaly   +3 more sources

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On the modelling of initial geometric imperfections of steel frames in advanced analysis

Journal of Constructional Steel Research, 2014
Abstract Steel structural members and frames always indicate imperfections to various degrees. These include initial out-of-straightness and initial out-of-plumb due to manufacturing and erection tolerances. In general, the shape and magnitude of geometric imperfections may have a significant influence on the response of a structure, and hence need ...
Kim J R Rasmussen, Hao Zhang
exaly   +2 more sources

Nonlinear strain components of general shells with initial geometric imperfections

Applied Mathematics and Mechanics (English Edition), 1992
On the basis of nonlinear strain component formulations of three-dimensional continuum, this paper has derived the nonlinear strain component formulations of shells with initial geometric imperfections. The derivation is not confined to a special shell, therefore they possess general properties.
Lijuan Li
exaly   +3 more sources

Effects of initial geometric imperfections on dynamic behavior of rectangular plates

Nonlinear Dynamics, 1992
The present work deals with the influence of initial geometric imperfections on the dynamic behavior of simply supported rectangular plates subjected to the action of periodic in-plane forces. The nonlinear large-deflection plate theory used in this analysis corresponds to the dynamic analog of von Karman's theory.
Sadok Sassi
exaly   +2 more sources

Collapse of semi-rigidly jointed reticulated domes with initial geometric imperfections

Journal of Constructional Steel Research, 1998
Abstract Buckling collapse and its analytical method of steel reticulated domes with semi-rigid ball joints are discussed, on the basis of a nonlinear elastic–plastic hinge analysis formulated for three-dimensional beam-columns with elastic perfectly plastic hinges located at both ends and the mid-span for each member.
Shiro Kato, Itaru Mutoh, Masaaki Shomura
exaly   +2 more sources

Nonlinear resonant responses of hyperelastic cylindrical shells with initial geometric imperfections

Chaos, Solitons and Fractals, 2023
J. Zhang, W. Zhang, Y.F. Zhang
exaly   +2 more sources

Initial geometric imperfections of modules in modular integrated construction structures

Engineering Structures
Yue-Yang Ding, Yao-Peng Liu, Si-Wei Liu   +2 more
exaly   +2 more sources

Vibration analysis of stiffened plates with initial geometric imperfections

Proceedings of the Institution of Mechanical Engineers, Part M: Journal of Engineering for the Maritime Environment, 2020
This paper presents the vibration analysis of stiffened plates with initial imperfections, using both conventional and super finite element methods. Von Karman theory was utilized so as to formulate the plate element. Eccentricity of the stiffeners is also taken into account and they are not limited to be placed on nodal lines.
Shahed Jafarpour, Mohammad Reza Khedmati
openaire   +1 more source

Measurement of the geometric initial imperfections in diaphragms

Thin-Walled Structures, 1992
Abstract A method, using a new surveying technique, is used for the measurement of the geometric initial imperfections in box girder diaphragms. The method, accurate to ±0·1 mm , may be used on diaphragms contained in a box girder where contact with the surface of the diaphragm is difficult or impossible or inadvisable due to the presence of ...
T.H.G. Megson, G. Hallak
openaire   +1 more source