Results 211 to 220 of about 4,217 (265)

Numerical and experimental evaluation of the collapse resistance of MLPs under external pressure by lateral loading. [PDF]

Sci Rep
Lutckmeier F, Kuhn MF, Dias ARP, Groth EB, Carvalhal RDN, Ilstad H, Clarke TGR.   +6 more
europepmc   +1 more source

3D Printing of Continuous-Fiber-Reinforced Composites: Advances in Multifunctional Integration and Intelligent Manufacturing. [PDF]

Polymers (Basel)
Han S, Long Y, Cai M, Ma Q, Sun B, Waterhouse GIN.   +5 more
europepmc   +1 more source

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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 Rasmussen, Hao Zhang, Shabnam Shayan
exaly   +2 more sources

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 ...
Jinyou Zhao, Yaochun Zhang
exaly   +2 more sources

Nonlinear resonant responses of hyperelastic cylindrical shells with initial geometric imperfections

Chaos, Solitons and Fractals, 2023
Y F Zhang
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

On the Choice of Initial Geometric Imperfections in Externally Pressurized Shells

Journal of Pressure Vessel Technology, 1999
Localized and global, of eigenmode type, initial geometric imperfections were superimposed on perfect torispherical, ellipsoidal, and toroidal shells of circular and elliptical cross section. Reduction of the load-carrying capacity was then calculated numerically for various geometries and the yield point of material which was assumed to be mild steel.
J. Błachut, O. R. Jaiswal
openaire   +1 more source

Buckling Analysis of Long Booms with Initial Geometric Imperfections

45th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics & Materials Conference, 2004
Long, thin-walled booms are basic building elements of ultra-light-weight space inflatable structures. Buckling of long booms is critical to the performance and reliability of such space structures. Due to fabrication and packaging process, long booms of a space inflatable structure may have geometric and material imperfections. These imperfections can
Bingen Yang, M. Lou, H. Fang
openaire   +1 more source