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32.315  Articles
1 of 3.233 pages  |  10  records  |  more records»
This paper focuses on flow induced static instabilities occurring in poppet valves. Computational fluid dynamics simulation were performed to gain static characteristics of the poppet valve and to demonstrate the unstable behaviour of the valve. Based on ... see more

In this study, a two-dimensional numerical landslide model was developed to investigate the effects of the amount of rainfall and lateral flow on induced slope failures. The Richard’s equation was used to evaluate pore water pressure distribution in respo... see more

Improved understanding of how vortices develop and propagate under pulsatile flow can shed important light on the mixing and transport processes occurring in such systems,  including the transition to turbulent regime. For example, the characterizati... see more

This paper describes an experimental setup for groundwater flow studies with small scale models, developed for the Soil Mechanics course offered to Civil Engineering Master students at FEUP. Relevant quantities, such as the piezometric head and total disc... see more

Shorter breeding cycles and the opportunity for enhanced genetic gains, together with the study of the molecular basis of vernalization, are essential areas of research in plant biology. Several approaches have been employed to achieve gene silencing in p... see more

One of the oral complications in head and neck radiotherapy is xerostomia. The severity of xerostomia can be observed using objective examination (unstimulated salivary flow rate measurement) and subjective examination (assessment using xerostomia questio... see more

In this work we use analogue modelling to analyse the effect of sudden ice shelf breakup on the flow of ice draining an ice sheet grounded below sea level. Experimental results confirm that the removal of the buttressing effect exerted by the ice shelf re... see more

To explore the kinetics and morphology of flow induced crystallization of polymers, a nucleation-growth evolution model for spherulites and shish-kebabs is built based on Schneider rate model and Eder model. The model considers that the spherulites are th... see more

In order to predict ship hull pressure fluctuations induced by marine propellers, a combination of several numerical schemes is used. The propeller perturbation flow is solved by the boundary element method (BEM), while the coupling between a BEM solver a... see more

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