Results 81 to 90 of about 729,510 (342)

A systematic dataset generation technique applied to data-driven automotive aerodynamics

open access: yesAPL Machine Learning
A novel strategy for generating datasets has been developed within the context of drag prediction for automotive geometries using neural networks. A primary challenge in this field is constructing a training database of sufficient size and diversity. Our
Mark Benjamin, Gianluca Iaccarino
doaj   +1 more source

Correlated imaging through atmospheric turbulence

open access: yes, 2010
Correlated imaging through atmospheric turbulence is studied, and the analytical expressions describing turbulence effects on image resolution are derived.
Gong, Wenlin   +3 more
core   +1 more source

Turbulent rivers [PDF]

open access: yesQuarterly of Applied Mathematics, 2008
The existence of solutions describing the turbulent flow in rivers is proven. The existence of an associated invariant measure describing the statistical properties of this one-dimensional turbulence is established. The turbulent solutions are not smooth but Hölder continuous with exponent 3 / 4 3/4
openaire   +3 more sources

Recombinant Proteins: A Molecular Tool to Understand Marine Adhesion and to Advance Biomaterials

open access: yesAdvanced Healthcare Materials, EarlyView.
The production of recombinant proteins represents a fundamental step in the characterisation of marine invertebrate adhesives and in the development of bio‐inspired glues. The association of these proteins with other components such as ions, proteins, polysaccharides, or polymers enables the fabrication of biomaterials for various healthcare ...
Alessandra Whaite   +4 more
wiley   +1 more source

Influence of Flow-induced Vibration of a D-VAWT With and Without Leading-edge Rod at Various Pitch Angles [PDF]

open access: yesJournal of Applied Fluid Mechanics
Under specific incoming wind speeds, Darrieus- Vertical Axis Wind Turbines (D-VAWT) have been found to display significant amplitude vibrations. Previous studies mainly examined the D-VAWT's aerodynamics, ignoring flow-induced vibration (FIV).
C. B. Maheshwaran   +2 more
doaj   +1 more source

3D Propulsions of Rod‐Shaped Micropropellers

open access: yesAdvanced Intelligent Systems, 2021
Untethered, magnetically driven microrobots have great potential in practical applications such as minimally invasive surgery. Microrods, also known as “nanowires,” are the most commonly used type of structure for microrobots due to the easy fabrication ...
Yuan Zhang   +6 more
doaj   +1 more source

Protecting entanglement of twisted photons by adaptive optics

open access: yes, 2018
We study the efficiency of adaptive optics (AO) correction for the free-space propagation of entangled photonic orbital-angular-momentum (OAM) qubit states, to reverse moderate atmospheric turbulence distortions.
Buchleitner, Andreas   +4 more
core   +1 more source

MHD turbulence [PDF]

open access: yesLiving Reviews in Computational Astrophysics, 2019
AbstractWe review the current status of research in MHD turbulence theory and numerical experiments and their applications to astrophysics and solar science. We introduce general tools for studying turbulence, basic turbulence models, MHD equations and their wave modes. Subsequently, we cover the theories and numerics of Alfvénic turbulence, imbalanced
openaire   +3 more sources

A Patient‐Specific 3D Printed Carotid Artery Model Integrating Vascular Structure, Flow, and Endothelium Responses

open access: yesAdvanced Healthcare Materials, EarlyView.
This study introduces the first miniaturized, patient‐specific carotid artery model created via 3D printing using GelMA with embedded vascular cells. Combining CFD, PIV, and flow perfusion, the model replicates anatomically dependent hemodynamics and cellular responses.
Jorge A. Catano   +7 more
wiley   +1 more source

On two distinct Reynolds number regimes of a turbulent square jet

open access: yesTheoretical and Applied Mechanics Letters, 2015
The effects of Reynolds number on both large-scale and small-scale turbulence properties are investigated in a square jet issuing from a square pipe. The detailed velocity fields were measured at five different exit Reynolds numbers of 8×103≤Re≤5×104. It
Minyi Xu   +3 more
doaj   +1 more source

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