Results 31 to 40 of about 67,992 (306)

ANALYSIS OF THE INFLUENCE OF STIFFENER TYPE AND MANUFACTURING PROCESS ON MECHANICAL BEHAVIOR OF TITANIUM ALLOY STIFFENED PANEL UNDER AXIAL COMPRESSION

open access: yesJixie qiangdu, 2022
Stiffened plates is a common structural form in aviation structure. Different types of stiffened plates and different manufacturing processes will affect its mechanical behavior and failure mode.
WANG ZhaoHui, MA YuE
doaj  

Exploiting elastic buckling of high-strength gold nanowire toward stable electrical probing

open access: yesiScience, 2022
Summary: Buckling is a loss of structural stability. It occurs in long slender structures or thin plate structures which is subjected to compressive forces. For the structural materials, such a sudden change in shape has been considered to be avoided. In
Jong-Hyun Seo   +7 more
doaj   +1 more source

Simulation for stability of a beam-mass based high-resolution MEMS gravimeter

open access: yesMaterials & Design, 2022
In this paper, stability and mechanistic simulations for a four-beam-mass-based MEMS gravimeter were conducted, and guidelines for the gravimeter design were proposed.
Guigen Ye   +5 more
doaj   +1 more source

ANALYSIS OF PLASTIC BIFURCATION FROM AXISYMMETRIC BUCKLING MODE TO DIAMOND BUCKLING MODE IN MODERATELY THICK CYLINDRICAL SHELLS

open access: yesDoboku Gakkai Ronbunshu, 1998
軸圧縮力を受ける比較的厚肉の円筒殻は塑性域で最初, 座屈モードの局所化により軸対称のいわゆる提灯座屈が生ずるが, 変位制御で載荷を継続するとダイヤモンド座屈モードに変化することが実験的に観察されている. ここでは, 厳密な塑性分岐解析によりこのような塑性座屈モードの変化の過程を解析した. 解析結果として, ダイヤモンド座屈モードは, 軸対称座屈モードの局所化による提灯座屈発生後に塑性分岐により生ずること, 周方向の座屈波数は径厚比が大きいほど多いこと, さらに, ダイヤモンド型モードへの変化にともない局部的なひずみ集中度が大きく増加するため延性破壊による亀裂発生にもつながる可能性もあることなどが判明した.
Yoshiaki Goto, Chonghou Zhang
openaire   +2 more sources

Buckling Analysis of Thin-Walled Circular Shells under Local Axial Compression using Vector Form Intrinsic Finite Element Method

open access: yesMetals, 2023
The buckling failure of thin-walled circular shells under local axial compression is common in engineering. This study uses the vector form intrinsic finite element (VFIFE) method to investigate the buckling behavior of thin-walled circular shells under ...
Wenliang Ma   +6 more
doaj   +1 more source

On triply coupled vibrations of axially loaded thin-walled composite beams [PDF]

open access: yes, 2009
Free vibration of axially loaded thin-walled composite beams with arbitrary lay-ups is presented. This model is based on the classical lamination theory, and accounts for all the structural coupling coming from material anisotropy.
Banerjee   +32 more
core   +2 more sources

Multifunctional Crushing and Piezoresistive Self‐Sensing in Conductive Epoxy/CNT‐Coated Polyetherimide TPMS Lattices

open access: yesAdvanced Engineering Materials, EarlyView.
This study reports lightweight polyetherimide triply periodic minimal surfaces lattices coated with carbon nanotube‐reinforced epoxy that combine mechanical robustness with self‐sensing. The conformal coating enhances stiffness, strength and energy absorption while enabling reliable strain monitoring.
A. Triay   +3 more
wiley   +1 more source

Frequency jumps in the planar vibrations of an elastic beam [PDF]

open access: yes, 2011
The small amplitude transverse vibrations of an elastic beam clamped at both extremities are studied. The beam is modeled as an extensible, shearable planar Kirchhoff elastic rod under large displacements and rotations, and the vibration frequencies are ...
Frelat, J.   +3 more
core  

Effect of electron-phonon coupling in the ARPES spectra of the tri-layer cuprate Bi$_2$Sr$_2$Ca$_2$Cu$_3$O$_{10+\delta}$

open access: yes, 2012
Angle-resolved photoemission spectroscopy using tunable low energy photons allows us to study the quasi-particle (QP) dispersions of the inner and outer CuO2 planes (IP and OP) separately in the tri-layer cuprate Bi$_2$Sr$_2$Ca$_2$Cu$_3$O$_{10+\delta ...
A Fujimori   +13 more
core   +1 more source

Buckling of built-up columns of pultruded fiber-reinforced polymer C-sections [PDF]

open access: yes, 2014
This paper presents the test results of an experimental investigation to evaluate the buckling behavior of built-up columns of pultruded profiles, subjected to axial compression.
Carlo Casalegno   +8 more
core   +1 more source

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