Results 1 to 10 of about 276,218 (294)
Some of the next articles are maybe not open access.

DYNAMICS OF POWER ARCS IN CO-AXIAL ELECTRODE GEOMETRY

1980
F.Y. Chu, C.K. Law, S.A. Boggs
openaire   +1 more source

Prediction of deposition bead geometry in wire arc additive manufacturing using machine learning

open access: yesJournal of Materials Research and Technology, 2022
The deposition bead geometry in the arc strike zone is often abnormal compared with that in the middle deposition zone. The accumulation of these errors in the deposition process results in defects in the overall geometry of the deposition bead.
Won-Jung Oh   +2 more
doaj   +3 more sources

Tensile strength of Co-Cr and Zr substructures on titanium abutments with different geometries [PDF]

open access: yesBMC Oral Health
Background This study aimed to evaluate the effects of different abutment geometries, abutment materials (Cobalt–Chromium and Zirconium), and cement types on the tensile strength of cement-retained implant-supported restorations in vitro. Methods A total
Zeynep Uzgur, Nihal Özcan, Saadet Atsü
doaj   +2 more sources

Geometry on arc spaces of algebraic varieties

open access: yes, 2000
This paper is a survey on arc spaces, a recent topic in algebraic geometry and singularity theory. The geometry of the arc space of an algebraic variety yields several new geometric invariants and brings new light to some classical invariants.Comment: 22
Denef, J., Loeser, F.
core   +4 more sources

Greenberg Approximation and the Geometry of Arc Spaces [PDF]

open access: yesCommunications in Algebra, 2010
We study the differential properties of generalized arc schemes, and geometric versions of Kolchin's Irreducibility Theorem over arbitrary base fields. As an intermediate step, we prove an approximation result for arcs by algebraic curves.
Johannes Nicaise
exaly   +5 more sources

Numerical Investigation on Drag Reduction Mechanisms of Biomimetic Microstructure Surfaces [PDF]

open access: yesBiomimetics
Biomimetic microstructured surfaces offer a promising passive strategy for drag reduction in marine and aerospace applications. This study employs computational fluid dynamics (CFD) simulations to systematically investigate the drag reduction performance
Jiangpeng Liu   +4 more
doaj   +2 more sources

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