Results 31 to 40 of about 43,457 (303)

Stefan benchmark v0.1

open access: yes, 2020
This is a pre-release of code attachment to the article Semi-analytic benchmark for the Stefan problem - assessing accuracy of enthalpy-based methods co-authored with Ondřej ...
Jiří Malík, Ondřej Souček
core   +1 more source

The nonlocal Stefan problem for quasilinear parabolic equation

open access: yesVestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, 2012
In this paper, we deal with free boundary problem with nonlocal boundary condition for quasilinear parabolic equation. For the solutions of the problem apriory estimates of Shauder's type are established.
J. O. Takhirov, R. N. Turaev
doaj   +3 more sources

Helix Alignment, Chevrons, and Edge Dislocations in Twist‐Bend Ferroelectric Nematics

open access: yesAdvanced Science, EarlyView.
The recently discovered twist‐bend ferroelectric nematic (NTBF) is the new member of the multiferroic family, representing a fluid with an oblique helicoidal (heliconical) periodic structure of spontaneous electric polarization. The work presents a thorough exploration of the material properties of this phase, how the periodic modulation of ...
Bijaya Basnet   +8 more
wiley   +1 more source

Spline-interpolation solution of a plane Stefan problem [PDF]

open access: yesIranian Journal of Numerical Analysis and Optimization
We construct a spline-interpolation solution of the 2D Stefan problem. We reduce it to the set of boundary value problems for analytic functions and integral equations.
Pyotr Ivanshin
doaj   +1 more source

Beyond the classical Stefan problem [PDF]

open access: yes, 2014
In this thesis we develop and analyse mathematical models describing phase change phenomena linked with novel technological applications. The models are based on modifications to standard phase change theory.
Font Martínez, Francesc
core   +1 more source

On the reformulation of the classical Stefan problem as a shape optimization problem [PDF]

open access: yes, 2021
This article is concerned with the multi-dimensional one-phase Stefan problem, which belongs to the class of moving boundary problems. We suggest to reformulate the classical Stefan problem as a shape optimization problem, consisting of an objective ...
Brügger, Rahel, Harbrecht, Helmut
core   +1 more source

In Situ X‐Ray Tomography and Acoustic Emission Monitoring of Damage Evolution in C/C‐SiC Composites Fabricated by Liquid Silicon Infiltration

open access: yesAdvanced Science, EarlyView.
This study investigates how the internal structure of fiber‐reinforced ceramic composites affects their resistance to damage. By combining 3D X‐ray imaging with acoustic emission monitoring during mechanical testing, it reveals how silicon distribution influences crack formation.
Yang Chen   +7 more
wiley   +1 more source

Reconstructing the Heat Transfer Coefficient in the Inverse Fractional Stefan Problem

open access: yesFractal and Fractional
This paper presents an algorithm for solving the inverse fractional Stefan problem. The considered inverse problem consists of determining the heat transfer coefficient at one of the boundaries of the considered region.
Agata Chmielowska   +2 more
doaj   +1 more source

Moving Taylor series for solving one-dimensional one-phase Stefan problem

open access: yesAlexandria Engineering Journal, 2022
In this work, a modified form of Taylor series is proposed which we call the moving Taylor series. We prove theorems that formulate coefficients of the proposed series along with the formula of its time-derivatives.
A. Elsaid, S.M. Helal
doaj   +1 more source

A Cationic Supramolecule With Potent Antifungal Activity, Single‐Species Selectivity, and Strong Synergy With Echinocandins

open access: yesAdvanced Science, EarlyView.
We introduce a new membrane‐active antifungal design, Gua‐SMACS‐16, that exhibits high potency and single‐species selectivity for C. tropicalis while sparing other close species in the Candida genus. Moreover, when combining with caspofungin, a clinical antifungal drug inhibiting 1,3‐β‐glucan synthase, they exhibit ultra‐strong synergy across a panel ...
Tianjiao Dai   +8 more
wiley   +1 more source

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