Results 41 to 50 of about 66,482 (331)

La2010: A new orbital solution for the long term motion of the Earth

, 2011
We present here a new solution for the astronomical computation of the orbital motion of the Earth spanning from 0 to -250 Myr. The main improvement with respect to the previous numerical solution La2004 (Laskar et al.
A. Fienga, Bills, Boué, Correia, Correia, Darwin, Fienga, Fienga, Forte, H. Manche, Hays, Hilgen, J. Laskar, Jovane, Kuchynka, Laskar, Laskar, Laskar, Laskar, Laskar, Laskar, Laskar, Laskar, Laskar, Laskar, Laskar, Levrard, Lourens, Lourens, Lumb, M. Gastineau, Mignard, Olsen, Olsen, Poincaré, Pälike, Pälike, Pälike, Quinn, Rochester, Rubincam, Rubincam, Saha, Soffel, Sussman, van Dam, Varadi, Westerhold, Westerhold, Wisdom, Zachos   +50 more
core   +3 more sources

High‐Resolution MRI Revealed Different Etiology‐Specific Associations With Cerebral Infarction in Adult Moyamoya Vasculopathy

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective High‐resolution MRI enables detailed assessment of intracranial vessel wall pathology in moyamoya vasculopathy. We aimed to classify adult moyamoya vasculopathy etiologies using high‐resolution MRI and to examine subtype‐specific associations between high‐resolution MRI features and ischemic infarction.
Guangsong Han, Jiachun Pan, Yuehui Hong, Xiaoyuan Fan, Ming Yao, Lixin Zhou, Yicheng Zhu, Feng Feng, Jun Ni   +8 more
wiley   +1 more source

Investigation of cavitation bubble dynamics near an asymmetric hydrofoil [PDF]

International Journal of Fluid Engineering
The dynamic behavior of a cavitation bubble near an asymmetric hydrofoil is investigated experimentally through high-speed photography and theoretically using a Kelvin impulse model.
Hongbo Wang, Cheng Zhang, Xinrong Xie, Junwei Shen, Yiming Li, Yuning Zhang   +5 more
doaj   +1 more source

Comparison between Laplace-Lagrange Secular Theory and Numerical Simulation

, 2018
The large increase in exoplanet discoveries in the last two decades showed a variety of systems whose stability is not clear. In this work we chose the $\upsilon$ Andromedae system as the basis of our studies in dynamical stability.
Camargo, Barbara Celi Braga, Foryta, Dietmar William, Winter, Othon Cabo   +2 more
core   +1 more source

Does Long‐Term Lower Extremity Strength Training in Adults With Knee Osteoarthritis and Varus Alignment Reduce Knee Joint Loading During Gait?

Arthritis Care &Research, EarlyView.
Objective We examined whether 18 months of strength training in individuals with knee varus alignment and medial tibiofemoral osteoarthritis (OA) reduced knee joint loads during walking compared to an attention control group. Methods This study was a secondary analysis of a randomized clinical trial that compared the effects of strength training to a ...
Stephen P. Messier, Matthew N. Vigliotti, Paige E. Rice, Brian Pietrosimone, Shannon L. Mihalko, Edward H. Ip, Richard F. Loeser, David J. Hunter, Ali Guermazi, Ryan Hill, Santiago Saldana, Kim L. Bennell, Paul DeVita   +12 more
wiley   +1 more source

The influence of general-relativity effects, dynamical tides and collisions on planet-planet scattering close to the star

, 2019
Planet--Planet scattering is an efficient and robust dynamical mechanism for producing eccentric exoplanets. Coupled to tidal interactions with the central star, it can also explain close--in giant planets on circularized and potentially misaligned ...
Marzari, F., Nagasawa, M.
core   +1 more source

Evaluation of the Potential of Laser Shock Peening Compared with Cold Expansion for Improving Fatigue Resistance of Riveted Lap Joints of Aerospace Grade 7175 Al Alloy

Advanced Engineering Materials, EarlyView.
This study investigates laser shock peening for enhancing fatigue performance of riveted aerospace aluminum joints. A comparative approach with cold expansion combines fatigue testing and synchrotron X‐ray methods. Integrating mechanical testing with residual stress and strain characterization provides insights into how different treatments affect the ...
Ogün Baris Tapar, David Osman Busse, Maximilian Sprengel, Domenico Furfari, Marc‐André Nielsen, Guilherme Abreu Faria, Jérémy Epp   +6 more
wiley   +1 more source

Vibration Characteristics Oblate Shell "With and Without Framed Structure"

Al-Khawarizmi Engineering Journal, 2010
This paper presents the results of investigating the vibrational characteristics of oblate dish with and without framed structure . A finite element method, was applied to the dynamic analysis of oblate spheroidal shell.
Kadhim H. Ghlaim, Hatem R. Waseem
doaj   +2 more sources

Chaotic Dynamics of Stellar Spin in Binaries and the Production of Misaligned Hot Jupiters

, 2014
Many exoplanetary systems containing hot Jupiters are observed to have highly misaligned orbital axes relative to the stellar spin axes. Kozai-Lidov oscillations of orbital eccentricity/inclination induced by a binary companion, in conjunction with tidal
Anderson, Kassandra R., Lai, Dong, Storch, Natalia I.   +2 more
core   +1 more source

Behavior of high strength concrete columns under eccentric loads [PDF]

HBRC Journal, 2015
AbstractIn recent decades, high strength concrete (HSC) has been widely accepted by designers and contractors to be used in concrete structures, especially in high compressive stress elements. The research aims to study the behavior of high strength concrete columns under eccentric compression using experimental and analytical programs. The research is
Hany A. Kottb, Nasser F. El-Shafey, Akram A. Torkey   +2 more
openaire   +2 more sources