Results 11 to 20 of about 2,438,109 (268)

Extension of a Non-Oscillatory Forward-in-Time Scheme to Detached Eddy Simulation of Stratified Turbulent Flows With Unstructured Meshes

open access: yesIEEE Access, 2019
A detached eddy simulation algorithm is developed based on the non-oscillatory forward-in-time (NFT) multidimensional positive definite advection transport algorithm (MPDATA) scheme for stratified turbulent flows with low or moderate Reynolds numbers on ...
Zhao Zhang, Tao Zhang
doaj   +1 more source

A quasi-experimental study of the volume-based procurement (VBP) effect on antiviral medications of hepatitis B virus in China

open access: yesFrontiers in Pharmacology, 2023
Background: The Pilot Plan of National Centralized Volume-Based Procurement (NCVBP) was adopted to cope with the rapid increase in drug expenditures. This research aimed to quantitatively evaluate the impact of the NCVBP on antiviral medications for the ...
Xiaotong Wen   +12 more
doaj   +1 more source

VOLUME OF PUBLIC FINANCES AS A SUBJECT OF CONTROL

open access: yesФінансово-кредитна діяльність: проблеми теорії та практики, 2021
The method proposed in the article to accurately calculate the amount of public finances as a subject of control makes it possible to satisfy the socio-economic need in the definition of value of control subject.
A. V. Khmelkov
doaj   +1 more source

Application Volumes and Sizes of Droplets for the Application of Diquat Herbicide in the Control of Eichhornia crassipes [PDF]

open access: yesPlanta Daninha, 2016
The objective of this study was to evaluate the efficiency of application and the efficacy of control of water hyacinth (Eichhornia crassipes) with the use of the diquat herbicide done with two application volumes associated to three droplets classes ...
D.P. ALMEIDA   +4 more
doaj   +1 more source

A Method for Predicting the Effects of Specimen Geometry and Loading Condition on Fatigue Strength

open access: yesMetals, 2018
Specimen geometry and loading condition usually have a great influence on the fatigue strength of metallic materials, which is an important issue in evaluating the reliability of component parts.
Chengqi Sun, Qingyuan Song
doaj   +1 more source

To the solution of the equation of the radiation transfer transformation by the method of discrete ordinates

open access: yesИзвестия высших учебных заведений: Проблемы энергетики, 2017
In work the method of discrete ordinates is applied to the solution of a problem of transfer of radiation in three-dimensional statement. Results with use of S4-, S6-, S8-approximations are received and comparison with data of other authors is carried ...
A. V. Sadykov, M. A. Butyakov
doaj   +1 more source

Neuro-Fuzzy Volume Control for Quarter Car Air-Spring Suspension System

open access: yesIEEE Access, 2021
One type of vehicle suspension system is the air suspension system. One of the important functions of the suspension system is to reduce vibration transmitted to the vehicle body from road unevenness.
Mohamed Essam Shalabi   +3 more
doaj   +1 more source

To the solution of the equation of transfer of radiation by method of discrete ordinates in the axisymmetric domain

open access: yesИзвестия высших учебных заведений: Проблемы энергетики, 2018
In this work the method of discrete ordinates is applied for the solution of the problem of transfering of radiation in a finite axisymmetric domain. Decisions for the conditions to model an absorbing medium are obtained.
A. V. Sadykov
doaj   +1 more source

Models for Flow Rate Simulation in Gear Pumps: A Review

open access: yesEnergies, 2017
Gear pumps represent the majority of the fixed displacement machines used for flow generation in fluid power systems. In this context, the paper presents a review of the different methodologies used in the last years for the simulation of the flow rates ...
Massimo Rundo
doaj   +1 more source

Numerical Solution of Richards's Equation in Unsaturated Flow using Finite Volume Method [PDF]

open access: yesعلوم و مهندسی آبیاری, 2012
Improvement in numerical techniques and computers now make it possible to solve rather complicated porous media flow problems. In this paper, Richards's equation is solved by control volume method.
M. Azizi pour, M. Mahmoodian Shooshtari
doaj  

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