Results 21 to 30 of about 14,885 (212)

The Use of the k-ω SST Turbulence Model for Mathematical Modeling of Jet Fire

open access: yesSafety & Fire Technology, 2022
Aim: The purpose of this study is to verify the usability of the k-ω SST turbulence model for the description of the combustion process during a vertical propane jet fire.
Jarosław Tępiński, Wojciech Klapsa
doaj   +1 more source

Numerical study of the singular nonlinear initial value problem with applications in astrophysics

open access: yesResults in Physics
The proposed models are very essential in several phenomena, especially astrophysics, cosmology, fluid mechanics, chemical engineering, and biophysics. The paper presents a exhaustive investigation of the convergence features and numerical performance of
Mahmoud Abd El-Hady   +3 more
doaj   +1 more source

Novel analytical framework for Jacobian equations: Applications to ZK–BBM dynamics [PDF]

open access: yesAIP Advances
This study proposes a new analytical framework for the Jacobian elliptic equation and derives periodic exact solutions using computational methods. The proposed approach solves these equations by transforming them into simpler forms.
Guojiang Wu, Caixian Ye, Lijun Xu
doaj   +1 more source

Establishing an Apheresis Medicine Program in a Resource‐Constrained Setting: A 5‐Year Experience From Lagos, Nigeria

open access: yesTherapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background Establishing a comprehensive apheresis medicine program in a resource‐constrained setting presents significant structural, financial, and logistical challenges. Despite the growing clinical importance of apheresis services globally, published experience from sub‐Saharan Africa remains sparse.
Folasade Adelekan‐Popoola   +4 more
wiley   +1 more source

Analysis of free-field pressure sensor laying mechanism design in anti-shock test of warship

open access: yesZhongguo Jianchuan Yanjiu, 2019
[Objectives]In order to solve the problem of free-field pressure sensor laying in dynamic anti-shock test of warship,[Methods]based on the theory of computational multi-body dynamics and fluid dynamics,the laying mechanism of free-field pressure sensor ...
Gao Haopeng
doaj   +1 more source

Comparative Evaluation of Hemodiafiltration, Hemoperfusion, and Standard Hemodialysis on Efficacy, Inflammatory Control, Dialysis Adequacy, and Safety in End‐Stage Renal Disease: A Prospective Observational Study

open access: yesTherapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background Chronic micro‐inflammation in patients with end‐stage renal disease (ESRD) is a significant driver of cardiovascular complications and diminished quality of life. While standard hemodialysis (SHD) effectively manages small‐molecule clearance, its ability to remove medium‐to‐large uremic toxins—the primary catalysts of systemic ...
Hongwei Zuo   +5 more
wiley   +1 more source

Salmonella lipopolysaccharide‐containing supported lipid bilayers as platforms to study bacteriophage interactions

open access: yesFEBS Letters, EarlyView.
We present robust protocols for the preparation of supported lipid bilayers (SLBs) incorporating either Salmonella smooth LPS or outer membrane vesicles (OMVs). We use a combination of quartz crystal microbalance with dissipation (QCM‐D) and fluorescence microscopy to both characterize the SLBs of various compositions and to probe their interactions ...
Hudson P. Pace   +6 more
wiley   +1 more source

Analysis of Meshfree Galerkin Methods Based on Moving Least Squares and Local Maximum-Entropy Approximation Schemes

open access: yesMathematics
Over the last two decades, meshfree Galerkin methods have become increasingly popular in solid and fluid mechanics applications. A variety of these methods have been developed, each incorporating unique meshfree approximation schemes to enhance their ...
Hongtao Yang, Hao Wang, Bo Li
doaj   +1 more source

Modelling stem cell differentiation related processes—A practical overview for biologists

open access: yesFEBS Letters, EarlyView.
Stem cell differentiation is complex and difficult to control experimentally. This review introduces suitable computational modelling approaches that can support stem cell research, from mechanistic ODE and abstract models to multiscale and deep learning methods.
Ricco Zeegelaar   +4 more
wiley   +1 more source

Microbiome‐blood–brain barrier interactions in aging — mechanisms and therapeutic potential

open access: yesFEBS Letters, EarlyView.
Aging reshapes the gut microbiome (↓SCFA‐producing commensals; ↑pro‐inflammatory outputs), shifting circulating metabolites (↓SCFAs; ↑LPS, ↑TMAO, ↑PAA) that act at the BBB to increase nonspecific transcytosis, alter transport, and promote astrocyte reactivity, heightening brain vulnerability.
Daniel Cuervo‐Zanatta   +3 more
wiley   +1 more source

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