Results 41 to 50 of about 768 (221)
Applications in Plant Sciences, EarlyView.Abstract Premise Accurate species identification is crucial for ecological restoration and can be especially challenging for understudied non‐model species. Quercus garryana is the only native oak species in the Pacific Northwest and is an important component of the endangered oak savanna ecosystem.
Ziqi Xie, Tan Bahar, Keith Karoly
wiley +1 more source
Applied SciencesThe impact of a quarter-circle corner crack on an adjacent parallel semi-elliptical surface crack (SESC) located in a semi-infinite solid subjected to in-plane bending is studied using a 3-D finite element analysis.
Mordechai Perl, Cesar Levy, Qin Ma
doaj +1 more source
Coupled Thermoelastic Analysis of Semi-elliptical Crack in Thick-walled Cylinder Considering Green-Lindsay and Green-Naghdi Type II Theories [PDF]
Journal of Stress Analysis, 2017 In this paper, the stress intensity factors for semi-elliptical cracks in a homogeneous isotropic cylinder have been determined. Athick-walled cylinder is subjected to a one-dimensional axisymmetric thermal shock on the outer surface according to the ...
E. Farahinezhad, A. Nouri, E. Hosseinian
doaj +1 more source
Averaged stress intensity factors for semi-elliptical surface cracks
, 2021 The measurement of material resistance against crack propagation is mostly performed with (in principle) one-dimensional cracks as usual for standard test specimens as for instance DCB (Double Cantilever Beam) specimens. Such a crack exhibits a constant stress intensity factor along the crack front that allows simple computations of crack extension. In
Schell, K. G. +3 more
openaire +2 more sources
The Anatomical Record, EarlyView.Abstract The study of morphological evolution is fundamentally tied to ontogeny, yet studies of these heterochronic processes in the fossil record are rare. Fossils belonging to an ontogenetic series are difficult to assign to an ontogenetic stage due to inconsistent proxies for skeletal ages, challenging to taxonomically assign due to morphological ...
Erika R. Goldsmith, Michelle R. Stocker
wiley +1 more source
LIMIT LOAD SOLUTIONS FOR PLATES WITH SEMI-ELLIPTICAL SURFACE CRACK UNDER BENDING AND BIAXIAL FORCES
Jixie qiangdu, 2019 As a main input of structural integrity assessment, limit load solutions of defective components are always the focus of attention. At present, limit load solutions for plates with semi-elliptical surface crack under multiaxial loading are an important ...
CHEN Qiong, LV YuanJun, GAO ZengLiang
doaj
Analysis of stable crack growth of a semi-elliptical surface crack by numerical simulation [PDF]
Nuclear Engineering and Design, 1995 Abstract In the present paper, the canoeing effect during stable crack growth of a semi-elliptical surface crack in a side-grooved panel under tension was investigated by means of a three-dimensional elastic-plastic finite element analysis. The numerical crack growth simulation was performed by using crack mouth opening displacement resistance curves
openaire +1 more source
The Anatomical Record, EarlyView.Abstract Teleocichla comprises small cichlids that inhabit the rapid streams of Amazonian rivers; however, there has been limited research on their encephalon morphology. This study examined the neuroanatomy of four species, focusing on volumetric measurements of their encephalon subregions, and providing a histological description of the encephalon of
Renan Leão‐Reis +4 more
wiley +1 more source
The Anatomical Record, EarlyView.Abstract The Late Triassic–Early Jurassic fissures of the Bristol Channel area (southwest England and south Wales) are renowned for their diverse vertebrate faunas. These assemblages have yielded an array of predominantly small‐bodied forms that are crucial to our understanding of the early evolution of several major tetrapod clades.
Ewan H. Bodenham +4 more
wiley +1 more source
Surface crack growth subject to bending and biaxial tension-compression
Fracture and Structural Integrity, 2015 Fatigue surface crack growth and the in-plane and out-of-plane constraint effects are studied through experiments and computations for aluminium alloy D16T.
V. Shlyannikov +3 more
doaj