Results 11 to 20 of about 1,483,833 (292)

Delay-dependent exponential stability of neutral stochastic delay systems [PDF]

open access: yes, 2009
This paper studies stability of neutral stochastic delay systems by linear matrix inequality (LMI) approach. Delay dependent criterion for exponential stability is presented and numerical examples are conducted to verify the effectiveness of the proposed
Mao, X., Huang, L.
core   +4 more sources

Diffraction by an acoustically penetrable or an electromagnetically dielectric half plane II [PDF]

open access: yes, 1989
The present work gives a mathematical model for an acoustically penetrable or electromagnetically dielectric half plane. An approximate boundary condition is derived which depends on the thickness of, and the material constants which constitutes, the ...
Rawlins, A D
core   +6 more sources

Accuracy of CT Derived Patient Specific Instrumentation for Total Ankle Arthroplasty: The Impact of the Severity of Preoperative Varus Ankle Deformity

open access: yesFoot & Ankle Orthopaedics, 2022
Category: Ankle; Ankle Arthritis Introduction/Purpose: Significant preoperative varus tibiotalar deformity was once believed to be a contraindication to performing total ankle arthroplasty (TAA).
Benjamin D. Umbel DO   +4 more
doaj   +1 more source

Enhancing the shape memory effect of Cu–Al–Ni alloys via partial reinforcement by alumina through selective laser melting

open access: yesJournal of Materials Research and Technology, 2021
Cu–Al–Ni shape memory alloys (SMAs) have high thermal stability and various potential applications. The most significant factors limiting their application are their relatively low elastic strain and poor shape memory effect known as recoverable strain ...
Daniyal Abolhasani   +4 more
doaj   +1 more source

The Role of Causal Processes in the Neutral and Nearly Neutral Theories [PDF]

open access: yes, 2007
In this paper, we will consider how the neutral and nearly neutral theories of molecular evolution differ from each other as a means for addressing causal processes associated with random drift and natural selection.
Michael R. Dietrich   +6 more
core   +1 more source

Impact of Tibial Component Coronal Alignment on Knee Joint Biomechanics Following Fixed‐bearing Unicompartmental Knee Arthroplasty: A Finite Element Analysis

open access: yesOrthopaedic Surgery, 2021
Objective Unicompartmental knee arthroplasty (UKA) has indicated a higher rate of revision than total knee arthroplasty (TKA). The success of UKA depends on UKA component alignment, fixation, and soft tissue integrity.
Yong Nie, Qiang Yu, Bin Shen
doaj   +1 more source

Slow motion of a sphere towards a plane through confined non-Newtonian fluid [PDF]

open access: yes, 2011
The time needed for the contact of two spheres or a sphere with a rigid plane is mainly controlled by the hydrodynamic drainage of the film located in the gap as long as its thickness is out of range of the Van der Waals interactions.
AMBARI, Abdelhak   +3 more
core   +1 more source

On the non-generic Tzitzeica-Johnson's Configuration

open access: yesAnalele Stiintifice ale Universitatii Ovidius Constanta: Seria Matematica, 2012
Working in the context of Hilbert's axiomatic system, we prove that the Tzitzeica-Johnson configuration has sense in neutral geometry. The elements of a Tzitzeica-Johnson configuration allow us to analyse the Euclidean or the non-Euclidean character of ...
Boskoff Wladimir G.   +2 more
doaj   +1 more source

Prestress Force Monitoring and Quantification of Precast Segmental Beams through Neutral Axis Location Identification

open access: yesApplied Sciences, 2022
This paper proposes using neutral axis locations to monitor and quantify the prestress force in post-tensioned precast segmental beams. Strain measurements are used to obtain the neutral axis locations of specific cross-sections of the precast ...
Han Li   +5 more
doaj   +1 more source

Inertial migration of a neutrally buoyant spheroid in plane Poiseuille flow

open access: yesJournal of Fluid Mechanics, 2023
We study the cross-stream inertial migration of a torque-free neutrally buoyant spheroid, of an arbitrary aspect ratio$\kappa$, in wall-bounded plane Poiseuille flow for small particle Reynolds numbers ($Re_p\ll 1$) and confinement ratios ($\lambda \ll 1$), with the channel Reynolds number,$Re_c = Re_p/\lambda ^2$, assumed to be arbitrary; here$\lambda
Prateek Anand, Ganesh Subramanian
openaire   +3 more sources

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