Results 151 to 160 of about 522,105 (314)

On the Dynamics of Flexible Wings for Designing a Flapping-Wing UAV

Drones
The increasing number of applications involving the use of UAVs has motivated the research for design considerations that increase the safety, endurance, range, and payload capability of these vehicles.
Renan Cavenaghi Silva, Douglas D. Bueno
doaj   +1 more source

Unmothered at Work: Organizational Silence Around Reproductive Loss

Gender, Work &Organization, EarlyView.
ABSTRACT An identity transition refers to changes in self‐concept that can result from professional or personal shifts. Although organizations increasingly support institutionally legible and culturally normative nonwork transitions, others remain professionally stigmatized or culturally unspeakable.
Katrina M. Brownell
wiley   +1 more source

Can you really change your stripes? Stable wing ornamentation suggests limited condition‐dependent signalling in female common eiders

Ibis, EarlyView.
Variation in the expression of white ornaments, such as flank spots or wing stripes, has previously been related to indices of individual quality in birds. We measured the white wing stripes of colour‐banded female common eiders Somateria mollissima in three islands in Iceland from 2014 to 2023, to determine whether the expression of these ornaments is
Jón Einar Jónsson, Elisabeth Knudsen, James A. Fletcher, Ellen Magnúsdóttir, Árni Ásgeirsson, Jamie N. Carroll   +5 more
wiley   +1 more source

Impact of Anterior Lithium Disilicate Cantilever Resin‐Bonded Fixed Dental Prostheses on Oral Health‐Related Quality of Life and Esthetic Outcomes

Journal of Esthetic and Restorative Dentistry, EarlyView.
ABSTRACT Objective To evaluate the impact of lithium disilicate cantilever resin‐bonded fixed dental prostheses (RBFDPs) on oral health‐related quality of life (OHRQoL), patient satisfaction, and esthetic outcomes in patients with a missing maxillary incisor.
Joyce A. Jonker, Marco S. Cune, Lieke Lanjouw, Marco M. M. Gresnigt   +3 more
wiley   +1 more source

A new species of inseminating catfish of the genus Tympanopleura (Siluriformes: Auchenipteridae) from the Ituxi River, Amazon River basin, northern Brazil, revealed by integrative taxonomy

Journal of Fish Biology, EarlyView.
Abstract A new species of the genus Tympanopleura is described from the Iquiri River, a tributary of the Ituxi River, a right‐bank tributary to the Purus River, Amazon River, northern Brazil. The new species is distinguished from all its congeners by a combination of features, such as the presence of an intensely pigmented square‐shaped blotch on the ...
Frank Raynner V. Ribeiro, Cárlison Silva‐Oliveira, Valdenor Magalhães, Lucas Gama, Lúcia H. Rapp Py‐Daniel   +4 more
wiley   +1 more source

Piezoelectrically actuated insect scale flapping wing

, 2010
An energy method is used in order to derive the non-linear equations of motion of a smart flapping wing. Flapping wing is actuated from the root by a PZT unimorph in the piezofan configuration. Dynamic characteristics of the wing, having the same size as
Ganguli, Ranjan, Mukherjee, Sujoy
core  

Allometric patterns in Rhamphorhynchus muensteri and their role in the paleoecology, life habits, and taxonomic framework of pterosaurs

Journal of Anatomy, EarlyView.
The Graphical Abstract ilustrates the different allometric pattern within different Pterosauria groups, highlighting how the allometry influences the flight and habits of Pterosauria. Abstract Pterosaurs were the first vertebrates to achieve powered flight, a result of various unique anatomical adaptations, and significant morphological diversity ...
Gabriela Menezes Cerqueira, João Lucas Da Silva, Ingmar Werneburg, Mario Bronzati, Alex Sandro Schiller Aires, Felipe L. Pinheiro, Rodrigo Temp Müller   +6 more
wiley   +1 more source

Optimization Design And Simulation for Driving Mechanism of Flapping-wing Air Vehicle

Jixie chuandong, 2017
In allusion to the study of flapping- wing air vehicles（ FAV） with double- crank and double- rocker kind construction at present,the optimization design method of the flapping- wing driving mechanism with maximum value of minimum transmission angle is ...
Yang Yonggang, Su Hanping
doaj  

A data-driven flight optimization of two-segment flapping-wing aircraft based on deep learning

Theoretical and Applied Mechanics Letters
Flapping-wing aircraft, as a typical example of bionic aviation vehicles, hold significant importance in fields such as environmental monitoring, reconnaissance, and aerobiology research.
Chi Gan, Song Chen, Zhouteng Ye, Guanxin Hong   +3 more
doaj   +1 more source

Relationship between carina size and sternum morphology in birds reflects physical constraints of body size and flight style

Journal of Anatomy, EarlyView.
Sternum morphology varies among birds and is a function of body mass and order. The area of the sternum is inversely related to the area of the keel suggesting that the increase in bone mass associated with a large keel has been mitigated by a reduction in bone mass of the sternum.
D. C. Deeming
wiley   +1 more source