Results 51 to 60 of about 355,414 (304)

First contact breaking distributions in strained disordered crystals [PDF]

, 2022
We derive exact probability distributions for the strain ($\epsilon$) at which the first stress drop event occurs in uniformly strained disordered crystals, with quenched disorder introduced through polydispersity in particle sizes. We characterize these first stress drop events numerically as well as theoretically, and identify them with the first ...
arxiv   +1 more source

Methodology of AA CRASH: a prospective observational study evaluating the incidence and pathogenesis of adverse post-traumatic sequelae in African-Americans experiencing motor vehicle collision: Table 1 [PDF]

, 2016
A motor vehicle collision (MVC) is one of the most common life-threatening events experienced by individuals living in the USA. While most individuals recover following MVC, a significant proportion of individuals develop adverse post-traumatic sequelae ...
Bollen, Kenneth A., Damiron, Kathia, Domeier, Robert, Feldman, James, Hendry, Phyllis L., Hu, Jun Mei, Jones, Jeffrey, Kaushik, Sangeeta, Lewandowski, Christopher, Linnstaedt, Sarah D., Liu, Andrea Y., McLean, Samuel A., Pearson, Claire, Rathlev, Niels, Rosenberg, Mark, Soward, April C., Swor, Robert, Velilla, Marc-Anthony, Wang, Henry E, Zimny, Erin   +19 more
core   +2 more sources

Note: Simple argument for emergent anisotropic stress correlations in disordered solids [PDF]

, 2020
It is now well-established that mechanical equilibrium in athermal disordered solids gives rise to anisotropic spatial correlations of the coarse-grained stress field that decay in space as $1/r^d$, where $r$ is the distance from the origin, and $d$ denotes the spatial dimension. In this note we present a simple, geometry based argument for the scaling
arxiv   +1 more source

Possible outcomes of cumulative trauma in mental-health: a case report [PDF]

Jornal Brasileiro de Psiquiatria, 2020
To discuss the resilience factors that may have prevented a patient from developing post-traumatic stress disorder (PTSD) after exposure to a variety of severe potentially traumatic events.
Cheyenne von Arcosy, Liliane Maria Pereira Vilete, Carla Marques-Portella, Mauro Vitor Mendlowicz, Mariana Pires Luz, Ivan Figueira, William Berger   +6 more
doaj   +1 more source

History effects in the creep of a disordered brittle material [PDF]

arXiv, 2022
We study the creep behavior of a disordered brittle material (concrete) under successive loading steps, using acoustic emission and ultrasonic sensing to track internal damage. The primary creep rate is observed to follow a (Omori-type) power-law decay in the strain rate, the number of acoustic emission events as well as the amplitudes of the ...
arxiv  

Models of plastic depinning of driven disordered systems [PDF]

Pramana 64, 1097 (2005), 2005
Two classes of models of driven disordered systems that exhibit history-dependent dynamics are discussed. The first class incorporates local inertia in the dynamics via nonmonotonic stress transfer between adjacent degrees of freedom. The second class allows for proliferation of topological defects due to the interplay of strong disorder and drive.
arxiv   +1 more source

Psychiatric symptoms and emotional impact of the COVID-19 pandemic on Italian adolescents during the third lockdown: a cross-sectional cohort study

Scientific Reports, 2022
A previous study showed that about 80% of Italian adolescents reported isolated symptoms of acute or post-traumatic stress during the first lockdown in Italy.
Martina Maria Mensi, Marta Iacopelli, Marika Orlandi, Luca Capone, Chiara Rogantini, Arianna Vecchio, Erica Casini, Renato Borgatti   +7 more
doaj   +1 more source

Autophagy in cancer and protein conformational disorders

FEBS Letters, EarlyView.
Autophagy plays a crucial role in numerous biological processes, including protein and organelle quality control, development, immunity, and metabolism. Hence, dysregulation or mutations in autophagy‐related genes have been implicated in a wide range of human diseases.
Sergio Attanasio
wiley   +1 more source

Post-Traumatic Stress Disorder and Substance Use Disorder Co-occurrence in Female Veterans [PDF]

, 2012
Female veterans often experience trauma, develop post-traumatic stress disorder (PTSD), and suffer from a substance use disorder (SUD). Females experience these disorders more than males and veterans experience them more than civilian populations.
Sholar, Jacqueline A.
core   +1 more source

Crack Localization and the Interplay between Stress Enhancement and Thermal Noise [PDF]

, 2020
We study the competition between thermal fluctuations and stress enhancement in the failure process of a disordered system by using a local load sharing fiber bundle model. The thermal noise is introduced by defining a failure probability that constitutes the temperature and elastic energy of the fibers.
arxiv   +1 more source