Results 31 to 40 of about 7,224 (262)

An Adaptive h-Refinement Algorithm for Local Damage Models

open access: yesAlgorithms, 2009
An adaptive mesh refinement strategy is proposed for local damage models that often arise from internal state variable based continuum damage models.
Francesco Costanzo, Jonathan S. Pitt
doaj   +1 more source

An Improved Conservative Hybrid Method with Adaptive Mesh Refinement for Passive-Scalar Transport on Deforming Interfaces

open access: yesMathematics
This paper presents an improved hybrid Eulerian–Lagrangian framework, which has been augmented with an adaptive mesh refinement technique, for simulating passive scalar transport on deforming interfaces. We capture interface deformation using an Eulerian
Yu Fan, Chunyan Liu
doaj   +1 more source

Structural insights and therapeutic targets in Acinetobacter baumannii capsule biosynthesis

open access: yesFEBS Letters, EarlyView.
Hypervirulent KL49 A. baumannii's capsular polysaccharide contains the nonulosonic acid 8‐epi‐Leg5,7Ac2, synthesized by epimerization via ElaA, ElaB, and ElaC. Crystal structures of ElaA, ElaB, and ElaC reveal their role in CMP‐Leg5,7Ac2 synthesis and regioselective C8 epimerization.
Woo Cheol Lee   +7 more
wiley   +1 more source

GRChombo : Numerical relativity with adaptive mesh refinement [PDF]

open access: yesClassical and Quantum Gravity, 2015
48 pages, 24 ...
Clough, K   +5 more
openaire   +5 more sources

Molecular dynamics simulations of positively selected codons in FcγRI reveal novel biochemical binding properties

open access: yesFEBS Open Bio, EarlyView.
Evolutionary analysis across 32 placental mammals identified positive selection at residues H148 and W149 in the immune receptor FcγR1. Ancestral reconstruction combined with molecular dynamics simulations reveals how these mutations may influence receptor structure and dynamics, providing insight into the evolution of antibody recognition and immune ...
David A. Young   +7 more
wiley   +1 more source

Adaptive Semi-Structured Mesh Refinement Techniques for the Finite Element Method

open access: yesApplied Sciences, 2021
The adaptive mesh techniques applied to the Finite Element Method have continuously been an active research line. However, these techniques are usually applied to tetrahedra. Here, we use the triangular prismatic element as the discretization shape for a
Adrian Amor-Martin   +1 more
doaj   +1 more source

Adaptive mesh refinement for characteristic grids [PDF]

open access: yesGeneral Relativity and Gravitation, 2010
I consider techniques for Berger-Oliger adaptive mesh refinement (AMR) when numerically solving partial differential equations with wave-like solutions, using characteristic (double-null) grids. Such AMR algorithms are naturally recursive, and the best-known past Berger-Oliger characteristic AMR algorithm, that of Pretorius & Lehner (J. Comp. Phys.
openaire   +3 more sources

ENZO: AN ADAPTIVE MESH REFINEMENT CODE FOR ASTROPHYSICS [PDF]

open access: yesThe Astrophysical Journal Supplement Series, 2014
60 pages, 22 figures, submitted to ApJS.
The Enzo Collaboration   +28 more
openaire   +2 more sources

A new flow chip in combination with multiphoton microscopy as a protocol for longitudinal 3D imaging of tissue calcification under shear stress

open access: yesFEBS Open Bio, EarlyView.
Miniaturized flow chip platform enabling continuous perfusion and longitudinal multiphoton 3D imaging of vascular smooth muscle cell constructs under physiological flow. Brightfield imaging guides region selection, while CellTracker Green and mRuby‐labeled fetuin‐A visualize cells and mineral deposition, respectively. Magnesium supplementation markedly
Vytautas Kučikas   +6 more
wiley   +1 more source

Two-dimensional Adaptive Analysis Based on Arbitrary Meshes and Its Optimization [PDF]

open access: yes长江科学院院报
[Objective] This study aims to optimize the two-dimensional adaptive analysis strategy of the independent cover-based manifold method, focusing on addressing its deficiencies in error control and mesh distribution, thereby significantly enhancing ...
SONG Wen-shuo, SU Hai-dong, XIE Zhi-qiang
doaj   +1 more source

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