نتایج جستجو برای: plate bending

تعداد نتایج: 100250  

Kh Guerraiche, L Belounar L Bouzidi

In this paper, a new three dimensional brick finite element based on the strain approach is presented with the purpose of identifying the most effective to analyze linear thick and thin plate bending problems. The developed element which has the three essential external degrees of freedom (U, V and W) at each of the eight corner nodes, is used with a modified elasticity matrix in order to satis...

2009
Qing-Hua Qin Hui Wang

In this chapter a meshless method, based on the method of fundamental solutions (MFS) and radial basis functions (RBF), is developed to solve thin plate bending on an elastic foundation. In the presented algorithm, the analog equation method (AEM) is firstly used to convert the original governing equation to an equivalent thin plate bending equation without elastic foundations, which can be sol...

Journal: :Acta orthopaedica Belgica 2012
Ghislain F A E Geurts Roger P Van Riet Frederik Verstreken

A case is presented of a 78-year-old woman who sustained a re-fracture of the distal radius after initial fixation with a volar locking plate. The fracture was located in the mid-portion of the volar plate with palmar apex bending of the plate and signs of median nerve compression. A successful closed reduction was performed without hardware failure. The fracture united uneventfully.

2007
D. Hulbert C. Fuller M. Mahoney

Friction stir processing (FSP) 2519-T87 aluminum plate results in enhanced ductility, 25% strain at fracture. However, the yield strength in the FSP zone drops to 175 MPa from �400 MPa. Actively cooling the plate during FSP increases the yield strength to 185 MPa and decreases ductility to 20% strain at fracture. Thick bending of a plate of the alloy was demonstrated after the surface was subje...

2005
M. Ortiz

A constitutive model of bulk metallic glass (BMG) plasticity is developed which accounts for finitedeformation kinematics, the kinetics of free volume, strain hardening, thermal softening, rate-dependency and non-Newtonian viscosity. The model has been validated against uniaxial compression test data; and against plate bending experiments. The model captures accurately salient aspects of the ma...

2000
P. DJONDJOROV

where ∆ is the Laplace operator with respect to x and x, D = Eh/12(1 − ν) is the bending rigidity, E is Young’s modulus, ν is Poisson’s ratio, h is the thickness of the plate, ρ is the mass per unit area of the plate middle-plane, δ is the Kronecker delta symbol and ε is the alternating symbol. Here and throughout the work: Greek (Latin) indices range over 1, 2 (1, 2, 3), unless explicitly stat...

2017
F. BREZZI P. G. CIARLET

— We analyse a général technique in order to prove the convergence and optimal error boundsfor suitable finite element approximations of the von Kârmân plate bending équations.

2008
František Wald Jean-Pierre Jaspart

This paper describes the behaviour of the base plate in bending and the anchor bolts in tension, which are the major components of a base plate connection. An analytical model has been derived to predict the component characteristics – the resistance and the stiffness. A description is given of how the behaviour is influenced by contact between the base plate and the concrete surface. The prese...

Journal: :The Journal of bone and joint surgery. American volume 2002
Ulrich Mennen

BACKGROUND The management of periprosthetic femoral fractures after total hip and knee replacement remains difficult and controversial. This study was performed to determine the results of Mennen plate fixation for the treatment of periprosthetic femoral fractures. METHODS This retrospective multicenter study consists of a review of a consecutive series of thirty-five patients in whom a total...

2015
Langqing Zeng Haifeng Wei Yanjie Liu Wen Zhang Yao Pan Wei Zhang Changqing Zhang Bingfang Zeng Yunfeng Chen

BACKGROUND The biomechanical characteristics of midshaft clavicular fractures treated with titanium elastic nail (TEN) is unclear. This study aimed to present a biomechanical finite element analysis of biomechanical characteristics involved in TEN fixation and reconstruction plate fixation for midshaft clavicular fractures. METHODS Finite element models of the intact clavicle and of midshaft ...

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