Results 51 to 60 of about 15,373 (210)

Çeşitli Sinir Şartlarina Sahip Elastik Kirişlerin Hareketli Yük Etkisi Altinda Dinamik Analizi [PDF]

open access: yes, 2008
Konferans Bildirisi -- Teorik ve Uygulamalı Mekanik Türk Milli Komitesi, 2008Conference Paper -- Theoretical and Applied Mechanical Turkish National Committee, 2008Bu çalışmada, sabit hızla hareket eden tekil yük etkisi altındaki Euler-Bernoulli ...
Akköse, Mehmet   +2 more
core  

Artificial Piezoelectric Interface Enables Ultrafast Interfacial Ion Kinetic for Highly‐Sensitive Piezoionic Sensors

open access: yesAdvanced Science, EarlyView.
This study proposes a piezoelectric interface modification strategy to amplify the piezoionic effect. The piezoelectric interface generates an intrinsic electric field, which not only drives rapid ion migration but also concentrates polarized ions on the interface. The flexible sensor delivers superior performance, such as a quick response rate, strong
Yanyu Chen   +5 more
wiley   +1 more source

Free Vibration Analysis of Quintic Nonlinear Beams using Equivalent Linearization Method with a Weighted Averaging [PDF]

open access: yesJournal of Applied and Computational Mechanics, 2019
In this paper, the equivalent linearization method with a weighted averaging proposed by Anh (2015) is applied to analyze the transverse vibration of quintic nonlinear Euler-Bernoulli beams subjected to axial loads.
Dang Hieu, N.Q. Hai
doaj   +1 more source

Variational Formulation of Curved Beams in Global Coordinates

open access: yes, 2013
In this paper we derive a variational formulation for a linear curved beam which is natively expressed in global Cartesian coordinates. During derivation the beam midline is assumed to be implicitly described by a vector distance function which ...
Hansbo, Peter   +2 more
core   +1 more source

OriGrasp: A Multifunctional Origami‐Inspired Instrument for Delicate Manipulation in Abdominal Surgery

open access: yesAdvanced Intelligent Systems, EarlyView.
This paper introduces an origami‐inspired, lightweight, reconfigurable instrument for robot‐assisted minimally invasive surgery. Its foldable design enables tiny access, tunable compliance, and multifunctionality, serving as a tool introducer or deformable grasper that safely manipulates delicate bowel tissue.
Lorenzo Mocellin   +5 more
wiley   +1 more source

A novel director-based Bernoulli–Euler beam finite element in absolute nodal coordinate formulation free of geometric singularities [PDF]

open access: yesMechanical Sciences, 2013
A three-dimensional nonlinear finite element for thin beams is proposed within the absolute nodal coordinate formulation (ANCF). The deformation of the element is described by means of displacement vector, axial slope and axial rotation parameter per ...
P. G. Gruber   +3 more
doaj   +1 more source

Closed-form equation for natural frequencies of beams under full range of axial loads modeled with a spring-mass system [PDF]

open access: yes, 2019
A new simple closed-form equation that accurately predicts the effect of an arbitrarily large constant axial load, residual stress or temperature shift on the natural frequencies of an uniform single-span beam, with various end conditions, is presented ...
Fernández Martínez, Daniel   +2 more
core   +2 more sources

Solvability of the clamped Euler–Bernoulli beam equation

open access: yesApplied Mathematics Letters, 2019
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Onur Baysal, Alemdar Hasanov
openaire   +5 more sources

Isogeometric analysis of nonlinear Euler–Bernoulli beam vibrations [PDF]

open access: yesNonlinear Dynamics, 2013
In this paper we analyze the vibrations of nonlinear structures by means of the novel approach of isogeometric finite elements. The fundamental idea of isogeometricfinite elements is to apply the same functions, namely B-Splines and NURBS (Non-Uniform Rational B-Splines), fordescribing the geometry and for representing the numericalsolution. In case of
Weeger, Oliver (Dipl.-Tech. Math.)   +2 more
openaire   +5 more sources

Scalable High‐Force Zipping Electrostatic Actuators

open access: yesAdvanced Intelligent Systems, EarlyView.
An electrostatic actuator architecture is presented that combines high energy density with forces and strokes suited for wearable soft robotics. By folding patterned thin films into a scalable honeycomb of zipping units, performance becomes tunable through series–parallel design, achieving over 40 N and 28 J/kg.
Fabio Caruso   +2 more
wiley   +1 more source

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