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Advanced Search Results For "MULTISCALE modeling"

1 - 10 of 9,740 results for
 "MULTISCALE modeling"
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Multiscale modeling of the dynamical conductivity of self-assembled nanoparticle networks: Numerical simulations vs analytical models.

Publication Type:Academic Journal

Source(s):Journal of Applied Physics. 7/7/2022, Vol. 132 Issue 1, p1-10. 10p.

Abstract:Impedance spectroscopy experiments are able to reveal the fundamental charge transport properties of a wide variety of complex disordered and nano-structured materials provided that appropriate modeling tools are used. In this paper, we present a numer...

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Optimized Multiscale Entropy Model Based on Resting-State fMRI for Appraising Cognitive Performance in Healthy Elderly.

Publication Type:Academic Journal

Source(s):Computational & Mathematical Methods in Medicine. 6/7/2022, p1-12. 12p.

Abstract:Many studies have indicated that an entropy model can capture the dynamic characteristics of resting-state functional magnetic resonance imaging (rfMRI) signals. However, there are problems of subjectivity and lack of uniform standards in the selection...

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Predicting the Time-dependent Mechanics of Concrete Based on a Multiscale Model.

Publication Type:Academic Journal

Source(s):Advances in Civil Engineering. 4/20/2022, p1-10. 10p.

Abstract:To accurately predict the time-dependent deformation of concrete, a multiscale model with its focus pinned on mesoscale is proposed here to break down the constitutive law of concrete to the mechanics of its different constituent phases. A three-phase ...

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Dielectric breakdown in HfO2 dielectrics: Using multiscale modeling to identify the critical physical processes involved in oxide degradation.

Publication Type:Academic Journal

Source(s):Journal of Applied Physics. 6/21/2022, Vol. 131 Issue 23, p1-13. 13p.

Abstract:We use a multi-scale modeling to study the time-dependent dielectric breakdown of an amorphous (a-) HfO 2 insulator in a metal–oxide–metal capacitor. We focus on the role played by electron injection in the creation of oxygen vacancies, which eventuall...

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Complex Traffic Network Analysis Method Based on a Multiscale Aggregation Model.

Publication Type:Academic Journal

Source(s):Journal of Sensors. 3/25/2022, p1-15. 15p.

Abstract:Identifying the aggregation characteristics of the geospatial network is an important aspect of analyzing highway traffic networks. Based on the complex network theory, this paper studies the block aggregation characteristics of the highway traffic net...

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Image Quality Predictor with Highly Efficient Fully Convolutional Neural Network.

Publication Type:Academic Journal

Source(s):Advances in Multimedia. 2/23/2022, p1-12. 12p.

Abstract:A highly efficient deep fully convolutional neural network (DFCN) for image quality assessment (IQA) is designed in this paper. The DFCN consists of two branches, one scoring local patches and the other estimating the weights of local patches to enhanc...

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Multi-scale modeling of shock initiation of a pressed energetic material I: The effect of void shapes on energy localization.

Publication Type:Academic Journal

Source(s):Journal of Applied Physics. 2/7/2022, Vol. 131 Issue 5, p1-21. 21p.

Abstract:Accurate simulations of the shock response of heterogeneous energetic (HE) materials require closure models, which account for energy localization in the micro-structure. In a multi-scale framework, closure is provided by reaction rate models that acco...

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ResNet-BiLSTM: A Multiscale Deep Learning Model for Heartbeat Detection Using Ballistocardiogram Signals.

Publication Type:Academic Journal

Source(s):Journal of Healthcare Engineering. 1/27/2022, p1-11. 11p.

Abstract:As the heartbeat detection from ballistocardiogram (BCG) signals using force sensors is interfered by respiratory effort and artifact motion, advanced signal processing algorithms are required to detect the J-peak of each BCG signal so that beat-to-bea...

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Modelling of track formation in nanocrystalline inclusions in Si3N4.

Publication Type:Academic Journal

Source(s):Journal of Applied Physics; 8/28/2022, Vol. 132 Issue 8, p1-7, 7p

Abstract:Copyright of Journal of Applied Physics is the property of American Institute of Physics and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users ma...

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Multiscale modeling of ferroelectrics with stochastic grain size distribution.

Publication Type:Academic Journal

Source(s):Journal of Intelligent Material Systems & Structures. Aug2022, Vol. 33 Issue 14, p1773-1786. 14p.

Abstract:Macroscopic properties of ferroelectrics are controlled by processes on the microscale, in particular the switching of crystal unit cells and the movement of domain walls, respectively. Besides these microscopic levels, the grains of a polycrystalline ...

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