Results 51 to 60 of about 7,450,281 (272)

Local existence for class of nonlinear higher-order wave equation with logarithmic source term

open access: yes, 2021
The purpose of this work is to establish the local existence for a class of higher-order logarithmic wave equation with memory term. The local existence result was established by means of Faedo-Galerkin technique and Logarithmic Sobolev inequality.
Irki, Nazli, Picskin, Erhan
openaire   +1 more source

Comparative Analysis of Source Term Removal at Cook Nuclear Plant [PDF]

open access: yes, 2009
Research was conducted on the effectiveness of colloid mitigation at the Cook Nuclear Plant located in Bridgman, Michigan. Specialty resin was employed to remove Cobalt-60 CRUD and other contaminates from the primary coolant piping and fuel cladding ...
Deligiannis, Anastasios
core  

Is an Apple an Orange? A Large Language Model Benchmark for Candidate Term Extraction and Subclass Decisions Against Upper Ontologies in Engineering and Materials Science

open access: yesAdvanced Engineering Materials, EarlyView.
Building machine‐readable vocabularies for materials science is slow, expert‐driven work. This study benchmarks 13 large language models on two of its first steps: finding candidate terms in engineering articles and deciding where they belong in a class hierarchy.
Thomas Bjarsch   +3 more
wiley   +1 more source

Existence and stability results of nonlinear swelling equations with logarithmic source terms

open access: yesAIMS Mathematics
<abstract><p>We considered a swelling porous-elastic system characterized by two nonlinear variable exponent damping and logarithmic source terms. Employing the Faedo-Galerkin method, we established the local existence of weak solutions under suitable assumptions on the variable exponents functions.
Mohammad Kafini   +2 more
openaire   +2 more sources

Workflow for Design of Experiments‐Based Modeling of Species Transport and Growth Kinetics in GaN Hydride Vapor Phase Epitaxy

open access: yesAdvanced Engineering Materials, EarlyView.
A novel workflow for investigating hydride vapor phase epitaxy for GaN bulk crystal growth is proposed. It combines Design of experiments (DoE) with physical simulations of mass transport and crystal growth kinetics, serving as an intermediate step between DoE and experiments.
J. Tomkovič   +7 more
wiley   +1 more source

Electrochemical Behavior of Flame‐Sprayed Sc‐Doped AlCoCrFeMo High‐Entropy Alloy Coatings in 3.5% Sodium Chloride Solution

open access: yesAdvanced Engineering Materials, EarlyView.
Scandium (Sc)‐doped AlCoCrFeMo HEA coatings are fabricated via flame spraying with 0.1, 0.3, and 0.5 wt% Sc additions. Among these, the HEA‐Sc0.3 coating exhibits the highest corrosion resistance, indicated by a more positive corrosion potential and lower current density.
Pankaj Kumar   +7 more
wiley   +1 more source

Distinct Microstructural Characteristic Lengths Defining Notch Fatigue Crack Initiation and Propagation, and Defect Tolerance in Advanced Steels

open access: yesAdvanced Engineering Materials, EarlyView.
Schematic representation of modes of microcrack nucleation, growth and temporary arrestment at different boundaries, with the criteria for crack propagation in three scenarios: (1) large notch, (2) defect/small sharp notch, and (3) long crack. This work revisits and integrates results on the fatigue behavior of advanced bainitic steels (in particular ...
Lucia Morales‐Rivas
wiley   +1 more source

Existence and blow up of solutions of a viscoelastic m(x)-biharmonic equation with logarithmic source term

open access: yesMiskolc Mathematical Notes
In this paper, we are concerned with a logarithmic nonlinear viscoelastic m(x)
Gülistan Butakın, Erhan Pişkin
doaj   +1 more source

Exponential Decay of Solutions for a Higher Order Wave Equation with Logarithmic Source Term

open access: yes, 2018
In this paper, we consider a class of nonlinear higher-order wave equation with logarithmic source and waek damping term u tt + (−Δ) m u+u+ u t =uln | u | k in a bounded domain Ω ⊂ R 3 . We establish a exponential decay of solutions.
Erhan Pişkin   +2 more
openaire   +1 more source

Microstructure Modification of Additively Manufactured Mo–9Si–8B by Annealing and Its Effects on High‐Temperature Mechanical Properties

open access: yesAdvanced Engineering Materials, EarlyView.
Postbuild annealing systematically modifies the phase fractions and morphology of EB‐PBF processed Mo–9Si–8B. Quantitative microstructure–property correlations reveal how controlled phase evolution enhances high‐temperature compressive strength and creep resistance.
Christopher Schmidt   +5 more
wiley   +1 more source

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