Results 41 to 50 of about 9,197 (185)

The crucial role of meshing in computational fluid dynamics simulations for organic geometries in paleobiology: Describing fluid dynamics performance through best practices

open access: yesMethods in Ecology and Evolution, Volume 16, Issue 10, Page 2170-2194, October 2025.
Abstract Computational fluid dynamics (CFD) has become an essential tool for studying fluid interactions in biological systems. While widely used in engineering, its application in the natural sciences, particularly in paleobiology, remains limited due to the challenges of meshing complex organic geometries.
Matheo López‐Pachón   +1 more
wiley   +1 more source

Review of the Investigation of Innovative Propulsion System Architectures for Aircraft

open access: yesRevista Politécnica, 2015
Resumen: Los beneficios potenciales que representa la aviación en los campos: económico, de seguridad y de desarrollotecnológico de un país, han motivado a países como Ecuador a fomentar el crecimento de la aeronáutica en los últimosaños.
Esteban Valencia   +5 more
doaj  

Hierarchical Ag-Doped Hydroxyapatite Coatings on TiO2 Nanotubes Formed on Ti-407 Alloy: Antibacterial Evaluation Against Escherichia coli 

open access: yesMaterials Proceedings
Postoperative infections in orthopedic implants remain a major complication, particularly in open fractures, where early bacterial colonization and the limited bioactivity of titanium alloys hinder osseointegration.
Angie P. Tamayo-Jimenez   +6 more
doaj   +1 more source

Situación actual del uso del Marketing en las MiPyMEs de San Nicolás de los Garza, Nuevo León. [PDF]

open access: yes, 2013
La presente investigación servirá de base para conocer si en la ciudad San Nicolás de los Garza en Nuevo León, se hace uso del marketing en las MiPyMEs, esto mediante una encuesta realizada a 124 MiPyMEs.
Cantú Cuéllar, Ramón   +3 more
core  

Experimental Observations in Stress Intensity Factor Determination Considering Plasticity‐Induced Crack Closure

open access: yesStrain, Volume 61, Issue 5, October 2025.
This paper investigates the influence of plasticity‐induced crack closure on stress intensity factor evaluation using an experimental–numerical approach with digital image correlation (DIC). Fatigue crack growth tests under constant‐ΔK conditions were carried out on aluminium and steel specimens to isolate shielding effects.
Giancarlo L. Gómez Gonzales   +1 more
wiley   +1 more source

Multiple AI predictive models for compressive strength of recycled aggregate concrete

open access: yesCogent Engineering
To address the growing concerns about the environmental impact and construction costs, there has been an increasing interest in the use of recycled aggregates in concrete applications. Among the mechanical properties of concrete, compressive strength (fc)
Ahmed M. Ebid   +5 more
doaj   +1 more source

Método numérico heurístico para el cálculo de raíces de polinomios. [PDF]

open access: yes, 2013
En este artículo se propone un nuevo método numérico, para obtener las raíces reales de una ecuación polinomial, de tipo heurístico. Aunque el número de iteraciones requerido puede ser elevado, tiene como ventaja que es simple y por ser un método ...
Cantú Cuéllar, Ramón   +2 more
core  

Optimal Mechanical Properties and High Cellular Proliferation on Hybrid PCL/HaP/Col/SA Scaffolds for Tissue Engineering

open access: yesSurface and Interface Analysis, Volume 57, Issue 8, Page 659-665, August 2025.
ABSTRACT This study determines the mechanical properties, surface features, and the cellular response of mesenchymal cells of an electrospun scaffold of polycaprolactone (PCL) combined with hydroxyapatite (HaP), collagen (Col), and sodium alginate/poly (vinyl alcohol) (SA/PVA) for applications in tissue engineering to restore injured tissue.
P. González‐Alva   +5 more
wiley   +1 more source

Método "memorización de pulso único" aplicado a sistemas secuenciales neumáticos. [PDF]

open access: yes, 2013
La aplicación masiva de sistemas electro-neumáticos no ha logrado desplazar por completo a los sistemas neumáticos diseñados con neumática pura, especialmente en entornos explosivos y de alto riesgo. En contraste con la electroneumática, las aplicaciones
Castillo Martínez, Rodolfo   +3 more
core  

Gestión académico-administrativa, dupla que beneficia al fortalecimiento de la planta académica de una dependencia de Educación Superior [PDF]

open access: yes, 2013
En el presente trabajo se observa la importancia que tiene la gestión académico-administrativa para fortalecer la planta académica de una Dependencia de Educación Superior (DES), en el que se destaca que es necesario para un docente realizar una buena ...
Dimas Rangel, María Isabel   +3 more
core  

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