Results 31 to 40 of about 571,701 (244)

Numerical simulation of stratified flows usingOpenFOAM package

open access: yesТруды Института системного программирования РАН, 2018
The paper is devoted to construction of a numerical model and computations of continuously stratified fluid flows in field of external mass forces accounting for dissipative factors, viscosity and diffusion. Mathematical model is based on the fundamental
N. F. Dimitrieva, Ya. V. Zagumennyi
doaj   +1 more source

Modelling rapid mass movements using the shallow water equations in Cartesian coordinates [PDF]

open access: yesNatural Hazards and Earth System Sciences, 2015
We propose a new method to model rapid mass movements on complex topography using the shallow water equations in Cartesian coordinates. These equations are the widely used standard approximation for the flow of water in rivers and shallow lakes, but the ...
S. Hergarten, J. Robl
doaj   +1 more source

Valosin‐containing protein counteracts ATP‐driven dissolution of FUS condensates through its ATPase activity in vitro

open access: yesFEBS Letters, EarlyView.
Biomolecular condensates formed by fused in sarcoma (FUS) are dissolved by high ATP concentrations yet persist in cells. Using a reconstituted system, we demonstrate that valosin‐containing protein (VCP), an AAA+ ATPase, counteracts ATP‐driven dissolution of FUS condensates through its D2 ATPase activity.
Hitomi Kimura   +2 more
wiley   +1 more source

Modeling dynamic and static operating modes of a low-power asynchronous electric drive

open access: yesInformatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska
The article presents a mathematical model of the asynchronous motor in oblique coordinates, based on differential equations expressed in the standard Cauchy form.
Viktor Lyshuk   +6 more
doaj   +1 more source

The effect of the incidence function on the existence of backward bifurcation

open access: yesLetters in Biomathematics, 2016
In modelling, the dynamics of infectious disease, the choice of the specific mathematical formulation of disease transmission (i.e. the incidence function) is one of the initial assumptions to be made.
David J. Gerberry, Andrew M. Philip
doaj   +1 more source

A New Foundation for the Propensity Interpretation of Fitness [PDF]

open access: yes, 2012
The propensity interpretation of fitness (PIF) is commonly taken to be subject to a set of simple counterexamples. We argue that three of the most important of these are not counterexamples to the PIF itself, but only to the traditional mathematical ...
Pence, Charles H., Ramsey, Grant
core   +4 more sources

LDAcoop: Integrating non‐linear population dynamics into the analysis of clonogenic growth in vitro

open access: yesMolecular Oncology, EarlyView.
Limiting dilution assays (LDAs) quantify clonogenic growth by seeding serial dilutions of cells and scoring wells for colony formation. The fraction of negative wells is plotted against cells seeded and analyzed using the non‐linear modeling of LDAcoop.
Nikko Brix   +13 more
wiley   +1 more source

Numerical simulation of the non-regular mode of cooling a high-temperature metal billet by the flow of a gas-liquid medium

open access: yesMATEC Web of Conferences, 2018
A mathematical model of heat transfer at cooling a high-temperature metal billet from structural steel by the flow of a gas-liquid medium in a vertical circular channel is presented.
Makarov Sergey   +3 more
doaj   +1 more source

Application of explicit model predictive control to a vehicle semi-active suspension system

open access: yesJournal of Low Frequency Noise, Vibration and Active Control, 2020
The vehicle semi-active suspension is a typical multiple-input multiple-output system with strong couplings, actuator constraints and fast dynamics. This paper addresses the damping force regulation of shock-absorber in vehicle semi-active suspensions ...
Zhang Houzhong   +4 more
doaj   +1 more source

Accommodating Taste and Scale Heterogeneity for Front-Seat Passenger’ Choice of Seat Belt Usage

open access: yesMathematics, 2021
There is growing interest in implementation of the mixed model to account for heterogeneity across population observations. However, it has been argued that the assumption of independent and identically distributed (i.i.d) error terms might not be ...
Mahdi Rezapour, Khaled Ksaibati
doaj   +1 more source

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