نتایج جستجو برای: elastic foundations

تعداد نتایج: 101344  

2006
Michael Kishinevsky Jordi Cortadella Bill Grundmann Sava Krstic John O'Leary

Synchronous elastic circuits (also known as latency-insensitive and latency-tolerant) behave independently of the latencies of computations and communication channels. For example, the three sequences are an acceptable behavior of an elastic adder with input channels X, Y and output channel Z, where the absence of transfer on a particular channel at a given cycle is indicated by *. Indeed, the ...

2003
Seung J. Song Anthony M. Waas

A nonlinear elastic foundation model has been developed to predict the mixed-mode (modes I and II) delamination failure of laminated composites. Two types of nonlinear elastic foundations were used to represent pure mode I and pure mode II components of the material failure ahead of the crack tip. One is a tension spring foundation for mode I component and the other is a shear spring foundation...

Journal: :Journal of applied biomechanics 2008
Luigi Bertozzi Rita Stagni Silvia Fantozzi Angelo Cappello

The knowledge of how cruciate ligaments stabilize the knee joint could be very useful during the execution of daily living activities for the development of clinical procedures. The objective of this study was to evaluate a cruciate ligament model that could achieve this knowledge while avoiding any destructive measurements in living healthy subjects. Subject-specific geometries and kinematic d...

Journal: :Journal of Low Frequency Noise Vibration and Active Control 2023

Machine foundations are subjected to significant dynamic impacts. These impacts could spread the surrounding regions, affecting workers, sensitive equipment in same institution, or nearby areas. This study analyzes response of machine-supporting harmonic and explosive loads under operational conditions provides closed-form solutions for predicting responses terms displacement, velocity, acceler...

Journal: :Journal of Engineering Mathematics 2023

Abstract This paper proposes new analytical and finite element solutions for studying the effects of elastic foundations on uncontrolled controlled static vibration responses smart multi-layered laminated composite plates with integrated piezoelectric layers, acting as actuators sensors. A non-polynomial higher-order plate theory zigzag kinematics involving a trigonometric function local segmen...

2000
A. D. Drozdov Y. Rabin

We analyze stability of a thin inextensible elastic rod which has non-vanishing spontaneous generalized torsions in its stress-free state. Two classical problems are studied, both involving spontaneously twisted rods: a rectilinear rod compressed by axial forces, and a planar circular ring subjected to uniform radial pressure on its outer perimeter. It is demonstrated that while spontaneous twi...

1995
U. Grandel

We investigate the role of nonperturbative quark-gluon dynamics in soft high energy processes. In order to reproduce differential and total cross sections for elastic protonproton and proton-antiproton-scattering at high energy and small momentum transfer it turns out that we need two scales, the gluonic correlation length and a confinement scale. We find a small gluonic correlation length, a ≃...

B Mirzavand, M Bohlooly

This article provides a fully analytical approach for nonlinear equilibrium path of rectangular sandwich plates. The core of structure is made of symmetric cross-ply laminated composite and the outer surfaces are piezoelectric actuators which perfectly bonded to inner core. The structure is subjected to electro-thermo-mechanical loads simultaneously. One side of plate is rested on Pasternak typ...

2010
J. Wang H. S. Yu H. X. Li

In this paper, an incremental technique based on cyclic loading is developed to implement shakedown analysis for soils in the framework of elastic-plastic analysis without utilization of the classical shakedown theorems. A finite element model together with the use of ABAQUS is established for soil structures subjected to cyclic loads, where the Mohr-Coulomb yield criterion with associated plas...

Journal: :ESAIM: Control, Optimisation and Calculus of Variations 2022

We compute effective energies of thin bilayer structures composed soft nematic elastic liquid crystals in various geometrical regimes and functional configurations. Our focus is on foundations an isotropic layer attached to a substrate where order-strain interaction results complex opto-mechanical instabilities activated via coupling through the common interface. Allowing out-of-plane displacem...

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