Results 41 to 50 of about 5,175,662 (301)

Magma, volcans, roques... Una mirada a l’interior de la Terra sense moure’ns de l’aula

open access: yesCiències
En aquesta seqüència estudiem la part sòlida de la Terra. Comencem observant l’evolució i transformació del planeta al llarg dels milions d’anys de la seva existència i els canvis que s’han produït a la seva superfície deguts a manifestacions ...
Conxita Calvo Lomero   +1 more
doaj   +1 more source

mlp6/fem v6.8.1

open access: yes, 2017
Finite Element Modeling (FEM) Code: Python Tools, Field II Intensity Field Solution, LS-DYNA Pre/Post ...
David Bradway   +2 more
core   +1 more source

A Simplified Laminar Flow Model for the Pultrusion of Glass Fiber/Polyethylene Terephthalate Commingled Yarns

open access: yesAdvanced Engineering Materials, EarlyView.
A simplified thermoplastic pultrusion model is developed to predict thermal fields in glass fiber/polyethylene terephthalate (GF/PET) composites with reduced computational cost. By combining effective material homogenization, validation against literature data, and Gaussian‐process‐based optimization, the study reveals how heating limits, pulling speed,
Elder Soares   +3 more
wiley   +1 more source

Cohetes hidráulicos diseño, construcción y experimentación una experiencia integradora

open access: yesRevista Científica, 2011
En este trabajo se presenta la experiencia que durante tres años se ha tenido con el proyecto de cohetes hidráulicos en la Fundación Educativa de Montelíbano (FEM).
Edgar Alejandro Acosta Vásquez   +2 more
doaj   +1 more source

Additive Manufacturing of Continuous Fibre Reinforced Composites: Process, Characterisation, Modelling, and Sustainability

open access: yesAdvanced Engineering Materials, EarlyView.
Additive manufacturing provides precise control over the placement of continuous fibres within polymer matrices, enabling customised mechanical performance in composite components. This article explores processing strategies, mechanical testing, and modelling approaches for additive manufactured continuous fibre‐reinforced composites.
Cherian Thomas, Amir Hosein Sakhaei
wiley   +1 more source

MEDICIÓN DEL FLUJO ESPIRATORIO MÁXIMO EN NIÑOS ESCOLARES ASMÁTICOS Y SU RELACIÓN CON EL EJERCICIO FÍSICO

open access: yesTecnociencia, 2006
      El asma bronquial es una enfermedad que afecta a más de 300 millones de personas a nivel mundial. Es una patología que se caracteriza por aumento de la resistencia en las vías respiratorias y se encuentra dentro del grupo de las enfermedades del ...
José Young   +2 more
doaj  

Phase Field Failure Modeling: Brittle‐Ductile Dual‐Phase Microstructures under Compressive Loading

open access: yesAdvanced Engineering Materials, EarlyView.
The approach by Amor and the approach by Miehe and Zhang for asymmetric damage behavior in the phase field method for fracture are compared regarding their fitness for microcrack‐based failure modeling. The comparison is performed for the case of a dual‐phase microstructure with a brittle and a ductile constituent.
Jakob Huber, Jan Torgersen, Ewald Werner
wiley   +1 more source

El método de los elementos finitos para problemas de difusión con dos fases:XFEMyXFEM+

open access: yesRevista UIS Ingenierías, 2019
Obtener soluciones precisas con el método de los elementos finitos(FEM) para problemas difusivos con múltiples fases conlleva un alto costo computacional.
Paola Vielma   +2 more
doaj   +1 more source

Microstructure‐Controlled Crack Propagation and Fracture Resistance in MoSiBTiC Alloy Revealed by Multiscale Extended Finite Element Method Modeling

open access: yesAdvanced Engineering Materials, EarlyView.
A two‐dimensional multiscale finite element analysis framework was established for the first‐generation MoSiBTiC alloy, and the mechanical and fracture‐related parameters of the constituent phases were calibrated through experiments and simulations. The framework provides a basis for analyzing crack propagation behavior in its complex microstructure ...
Junfeng Du   +4 more
wiley   +1 more source

Alumíniumolvasztási maradék salakok sótartalmának hatékony eltávolítása

open access: yesInternational Journal of Engineering and Management Sciences, 2019
Nagy mennyiségű és nagy sótartalmú végsalak származik az alumíniumötvözetek hulladék alapú gyártásánál keletkező primer olvasztási salakok meleg (termo-mechanikus) feldolgozásából.
István Illés   +2 more
doaj   +1 more source

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