Results 41 to 50 of about 47,668 (301)

Interaction Analysis of Non-aligned Cracks Using Extended Finite Element Method

open access: yesLatin American Journal of Solids and Structures
Multiple flaws are frequently occurred in actual components, such as pressure vessels and power plants. These flaws will in some circumstances lead to more severe effects than single flaw alone.
Ali Abbaszadeh Bidokhti   +1 more
doaj   +1 more source

A Cell-Based Smoothed XFEM for Fracture in Piezoelectric Materials

open access: yesAdvances in Materials Science and Engineering, 2016
This paper presents a cell-based smoothed extended finite element method (CS-XFEM) to analyze fractures in piezoelectric materials. The method, which combines the cell-based smoothed finite element method (CS-FEM) and the extended finite element method ...
Li Ming Zhou   +3 more
doaj   +1 more source

Application of Extended Finite Element Method to Cracked Concrete Elements – Numerical Aspects

open access: yesArchives of Civil Engineering, 2012
The paper deals with the application of the eXtended Finite Element Method (XFEM) to simulations of discrete macro-cracks in plain concrete specimens under tension, bending and shear.
Bobiński J., Tejchman J.
doaj   +1 more source

Numerical solution of the eXtended Pom-Pom model for viscoelastic free surface flows [PDF]

open access: yes, 2011
In this paper we present a finite difference method for solving two-dimensional viscoelastic unsteady free surface flows governed by the single equation version of the eXtended Pom-Pom (XPP) model. The momentum equations are solved by a projection method
Tome, Murilo F.   +18 more
core   +1 more source

Cell geometry and membrane protein crowding constrain Escherichia coli growth rate, overflow metabolism, respiration, and maintenance energy

open access: yesFEBS Letters, EarlyView.
The physical dimensions and shape of bacterial cells define the surface area available to acquire nutrients and the volume available for synthesizing proteins and DNA. Here, we use computational systems biology to decode the importance of cell geometry as a major determinant of prokaryotic phenotype, including growth rate and metabolic efficiency. This
Ross P. Carlson   +6 more
wiley   +1 more source

ANALYSIS THE FORMULA OF STRESS INTENSITY FACTORS FOR THE COMPACT TENSION SHEAR TEST

open access: yesJixie qiangdu, 2021
The Compact Tension Shear( CTS) specimen proposed by Richard is a commonly test type used in mixed ModeI/II loading. The formula of stress intensity factors( SIFs) for the CTS test has already given by relevant literature.
YUAN WeiJun, XIE YuJun, CHENG ZhiFei
doaj  

Normal‐Appearing White Matter Injury Mediates Chronic Deep Venous Hypoxia and Disease Progression in Multiple Sclerosis

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To explore how cerebral hypoxia and Normal‐Appearing White Matter (NAWM) integrity affect MS lesion burden and clinical course. Methods Seventy‐nine MS patients, including 13 clinically isolated syndrome (CIS) patients and 66 relapsing–remitting multiple sclerosis (RRMS) patients, and 44 healthy controls (HCs) were recruited from ...
Xinli Wang   +8 more
wiley   +1 more source

Finite element method using vector finite elements applied to eddy current problems [PDF]

open access: yes, 2011
Vector fields found in electromagnetics are fundamentally different to vector fields found in other research areas such as structural mechanics. Electromagnetic vector fields possess different physical behaviour patterns and different properties in ...
Adams, Leila
core  

Transmission loss predictions for dissipative silencers of arbitrary cross section in the presence of mean flow [PDF]

open access: yes, 2003
A numerical technique is developed for the analysis of dissipative silencers of arbitrary, but axially uniform, cross section. Mean gas flow is included in a central airway which is separated from a bulk reacting porous material by a concentric ...
Kirby, R, Ray Kirby
core   +1 more source

Temporal Interference Stimulation of Centromedian‐Parafascicular Complex in Disorders of Consciousness: A Pilot Study

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Treatment of disorders of consciousness (DoC) remains a major clinical challenge, and noninvasive, targeted modulation of deep brain structures has emerged as a promising therapeutic strategy. We aimed to evaluate the feasibility/safety and preliminary effects of thalamic temporal interference stimulation (TIS) targeting centromedian‐
Gengyao Hu   +7 more
wiley   +1 more source

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