Bridging Dimensional and Microstructural Scaling Effects

2005 ◽  
pp. 77-88
Author(s):  
Uwe Erb ◽  
Cedric Cheung ◽  
Mohammadreza Baghbanan ◽  
Gino Palumbo
Keyword(s):  
Scaling Effects

scholarly journals Full-color nanorouter for high-resolution imaging

Nanoscale ◽  
2021 ◽  
Author(s):  
Mingjie Chen ◽  
Long Wen ◽  
Dahui Pan ◽  
David Cumming ◽  
Xianguang Yang ◽  
...  
Keyword(s):  
High Resolution ◽  
Color Image ◽  
Image Sensors ◽  
Structural Color ◽  
High Resolution Imaging ◽  
Scaling Effects ◽  
Full Color ◽  
Resolution Imaging

Pixel scaling effects have been a major issue for the development of high-resolution color image sensors due to the reduced photoelectric signal and the color crosstalk. Various structural color techniques...

scholarly journals Scaling effects on combustion modes in a single-side expansion kerosene-fueled scramjet combustor

2021 ◽  
Author(s):  
Fan LI ◽  
Mingbo SUN ◽  
Jiajian ZHU ◽  
Zun CAI ◽  
Hongbo WANG ◽  
...  
Keyword(s):  
Scaling Effects ◽  
Scramjet Combustor ◽  
Combustion Modes ◽  
Single Side

scholarly journals Scaling Effects in Sodium Zirconium Silicate Phosphate (Na 1+ x Z r 2 Si x P 3− x O 12 ) Ion‐Conducting Thin Films

2016 ◽  
Vol 99 (8) ◽  
pp. 2729-2736 ◽  
Author(s):  
Jon F. Ihlefeld ◽  
Emily Gurniak ◽  
Brad H. Jones ◽  
David R. Wheeler ◽  
Mark A. Rodriguez ◽  
...  
Keyword(s):  
Thin Films ◽  
Scaling Effects ◽  
Sodium Zirconium ◽  
Zirconium Silicate ◽  
Ion Conducting

Refinement and Scaling Effects on Peridynamic Numerical Solutions

2016 ◽  
Author(s):  
Daniele Dipasquale ◽  
Erkan Oterkus ◽  
Giulia Sarego ◽  
Mirco Zaccariotto ◽  
Ugo Galvanetto
Keyword(s):  
Numerical Solutions ◽  
Whole Body ◽  
Grid Refinement ◽  
Scaling Effects ◽  
Linear Elasticity Theory ◽  
Multi Scale ◽  
Promising Strategy ◽  
Adaptive Grid Refinement ◽  
Unique Framework ◽  
Computational Resources

One of the most common methods to implement peridynamics numerically is based on the discretization of the whole body by means of a structured and regular grid of nodes and a constant horizon size. That leads to an inefficient use of computational resources as well as to the impossibility to explore the multi-scale capabilities of peridynamics within a unique framework. Adaptive grid refinement and scaling seem to be a promising strategy to reduce those limitations, allowing to increase the resolution of the analysis and to reach the interested length-scale only in the desired regions. The application of such an approach in the peridynamic solutions requires certainly to be investigated, in particular, this is done by the comparison of numerical peridynamic solutions with the analytical solutions of classic linear elasticity theory.

Study of low-magnitude seismic events near the Novaya Zemlya nuclear test site

1997 ◽  
Vol 87 (6) ◽  
pp. 1563-1575
Author(s):  
Frode Ringdal
Keyword(s):  
Monitoring Network ◽  
Test Site ◽  
Nuclear Test ◽  
P Wave ◽  
Scaling Effects ◽  
Underground Nuclear Explosions ◽  
Nuclear Explosions ◽  
Novaya Zemlya ◽  
Source Scaling ◽  
Low Magnitude

Abstract A study of available seismic data shows that all but one of the 42 known underground nuclear explosions at Novaya Zemlya have been detected and located by stations in the global seismic network. During the past 30 years, only one seismic event in this area has been unambiguously classified as an earthquake (1 August 1986, mb = 4.3). Several other small events, most of which are thought to be either chemical explosions or aftereffects of nuclear explosions, have also been detected. Since 1990, a network of sensitive regional arrays has been installed in northern Europe in preparation for the global seismic monitoring network under a comprehensive nuclear test ban treaty (CTBT). This regional network has provided a detection capability for Novaya Zemlya that is shown to be close to mb = 2.5. Three low-magnitude events have been detected and located during this period, as discussed in this article: 31 December 1992 (mb = 2.7), 13 June 1995 (mb = 3.5), and 13 January 1996 (mb = 2.4). To classify the source types of these events has proved very difficult. Thus, even for the mb = 3.5 event in 1995, we have been unable to provide a confident classification of the source as either an earthquake or explosion using the available discriminants. A study of mb magnitude in different frequency bands shows, as expected, that the calculation of mb at regional distances needs to take into account source-scaling effects at high frequencies. Thus, when comparing a 4 to 8 or 8 to 16 Hz filter band to a “teleseismic” 2 to 4 Hz band, the smaller events have, relatively speaking, significantly more high-frequency energy (up to 0.5 mb units) than the larger events. This suggests that a P-wave spectral magnitude scale might be appropriate. The problem of accurately locating small events using a sparse array network is addressed using the 13 January 1996 event, which was detected by only two arrays, as an illustrative example. Our analysis demonstrates the importance of using accurately calibrated regional travel-time curves and, at the same time, illustrates how array processing can be used to identify an interfering phase from a local disturbance, thereby avoiding location errors due to erroneous phase readings.

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