Results 151 to 160 of about 8,118 (208)

Measurement and assessment of geometric imperfections in thin-walled panels

Thin-Walled Structures, 1999
Thin-walled members may be subject to performance limitations arising through local or distort!onal buckling of slender elements comprising the cross-section of the member, or over-all buckling of the member.
Richard Coleman, R Q Bridge
exaly   +1 more source

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Geometric imperfections of additive manufactured members

Engineering Structures, 2022
Abstract Challenges in civil engineering and construction industries increase, and simultaneously it is necessary to provide a sustainable utilization of resources. Optimising material applications and manufacturing processes is therefore essential for modern constructions.
M. Kraus, P. Winkler, S. Hammer, J. Reimann, J. Hildebrand, J.P. Bergmann   +5 more
openaire   +1 more source

Dynamic Stability of Shallow Arches with the Geometrical Imperfections

2009 International Joint Conference on Computational Sciences and Optimization, 2009
The dynamic stability of the hinged-hinged sinusoidal shallow arch with geometrical imperfection under time wise distributed load is investigated in this paper. First, the nonlinear governing equation of shallow arch is derived from the d’Alembert principle and Euler-Bernoulli assumption.
Jiangen Lv, Zhuangpeng Yi, Ronghui Wang
openaire   +1 more source

Dynamic Instability and Resonances of Geometrically Imperfect Plates

Volume 1D: 16th Biennial Conference on Mechanical Vibration and Noise, 1997
Abstract The parametric resonance and other dynamic instabilities of a rectangular plate with initial geometric imperfections acted upon by parametric excitation have been investigated. The temporal equations of motion describing the non-linear behavior of these plates for large oscillations are solved using a direct integration. Results
Germain L. Ostiguy, Lyne St-Georges
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Theory of Imperfections of Three-Dimensional Tuning Plate Gyroscope. Part II: Geometric Imperfections

Mechanics of Solids, 2023
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Sedebo, G. T., Shatalov, M. Y., Joubert, S. V., Alhaji, T., Kekana, M. C.   +4 more
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Stability of Geometrically Imperfect General-View Shells

International Applied Mechanics, 2000
The authors discuss a numerical algorithm which allows to study the loading curves in order to find out the singular points which are the boundary and bifurcation points. As example the stability of a finite panel is studied with allowance for the form imperfection.
Gotsulyak, E. A., Prusov, D. È., Aranchii, N. E.   +2 more
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Geometrically nonlinear finite-element models for thin shells with geometric imperfections

International Applied Mechanics, 2011
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Gotsulyak, E. A., Luk'yanchenko, O. K., Kostina, E. V., Garan, I. G.   +3 more
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Geometrical imperfection and adiabatic shear banding

International Journal of Impact Engineering, 2008
Abstract This work addresses the effect of small geometrical imperfections on adiabatic shear band (ASB) formation. The separate effect of the length and radius of short notches is systematically investigated in AM50 and Ti6Al4V alloys, using shear compression specimens.
D. Rittel, Z.G. Wang, A. Dorogoy
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On the Geometrical Imperfections in Ball Bearings

Journal of Tribology, 1988
Computer simulations of dynamic bearing performance, as obtained by the computer code ADORE, are used to develop correlations between key performance parameters and geometrical imperfections in both oil and solid lubricated ball bearings. The influence of race out-of-roundness, variation in groove curvatures and the variation in ball size, is modeled ...
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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
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