Results 241 to 250 of about 249,769 (331)

Extrapolation Boundary Conditions for 2‐D Smoothed Particle Hydrodynamics

open access: yesInternational Journal for Numerical Methods in Fluids, EarlyView.
This paper introduces novel inflow, outflow, and wall boundaries for the WCSPH method. Utilising innovative concepts from finite volume methods, fluid properties of sequential dynamic particles with varying distances to boundaries are extrapolated to ghost and wall particles using first‐order Taylor series expansion.
Hossein Mahdizadeh   +3 more
wiley   +1 more source

Vortex Panel Method in Axisymmetric Cylindrical Coordinates: Inviscid Formulation

open access: yesInternational Journal for Numerical Methods in Fluids, EarlyView.
An efficient numerical method for solving potential flows past axisymmetric objects is proposed. Green's function corresponding to the governing equation is derived and analytically verified. Using the derived Green's function, the vortex panel method is constructed, and its validity was confirmed through comparison with results obtained by other ...
Suguru Shiratori   +4 more
wiley   +1 more source

Error Analysis of a Pressure‐Correction Method With Explicit Time‐Stepping

open access: yesInternational Journal for Numerical Methods in Fluids, EarlyView.
We study explicit variants of this well‐established pressure‐correction scheme for solving the Navier–Stokes equations. Step 3 is replaced by an explicit time‐integration method. We give the complete error analysis for this scheme that allows for highly efficient implementations.
Utku Kaya, Thomas Richter
wiley   +1 more source

The Development and Application of a Method for the Detection of Viable but Nonculturable Staphylococcus aureus by Magnetic Bead Separation Combined With PMA‐qPCR

open access: yesFood Safety and Health, EarlyView.
Inoculation of VBNC Staphylococcus aureus into foods and detection of VBNC S. aureus in food samples using both Fe3O4‐PMA‐qPCR and Kit‐PMA‐qPCR assays. (A) is the induction and inoculation of VBNC S. aureus into rice, chicken, and milk. (B) is the detection procedure using the Fe3O4‐PMA‐qPCR assay.
Yong Wu   +5 more
wiley   +1 more source

A Transdisciplinary Framework to Bridge Science–Policy–Development Gaps in Global Land Management Initiatives

open access: yesGlobal Challenges, EarlyView.
This study presents a transdisciplinary framework to enhance Sustainable Land Management (SLM) by strengthening the weak integration between science, policy, and development. A global analysis of 236 countries revealed widespread soil erosion risks and inadequate SLM implementation. The proposed seven‐stage framework aims to improve coordination across
Nigussie Haregeweyn   +8 more
wiley   +1 more source

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