Results 11 to 20 of about 4,513 (158)

Three-Dimensional Imaging Method Incorporating Range Points Migration and Doppler Velocity Estimation for UWB Millimeter-Wave Radar [PDF]

open access: yes, 2017
High-resolution, short-range sensors that can be applied in optically challenging environments (e.g., in the presence of clouds, fog, and/or dark smog) are in high demand.
Fang Shang   +5 more
core   +2 more sources

Global Energy Matching Method for Atomistic-to-Continuum Modeling of Self-Assembling Biopolymer Aggregates [PDF]

open access: yes, 2010
This paper studies mathematical models of biopolymer supramolecular aggregates that are formed by the self-assembly of single monomers. We develop a new multiscale numerical approach to model the structural properties of such aggregates. This theoretical
E W.   +5 more
core   +1 more source

Nordhaus-Gaddum-Type Results for Resistance Distance-Based Graph Invariants

open access: yesDiscussiones Mathematicae Graph Theory, 2016
Two decades ago, resistance distance was introduced to characterize “chemical distance” in (molecular) graphs. In this paper, we consider three resistance distance-based graph invariants, namely, the Kirchhoff index, the additive degree-Kirchhoff index ...
Das Kinkar Ch., Yang Yujun, Xu Kexiang
doaj   +1 more source

Dependence of the spectrum of a quantum graph on vertex conditions and edge lengths [PDF]

open access: yes, 2011
We study the dependence of the quantum graph Hamiltonian, its resolvent, and its spectrum on the vertex conditions and graph edge lengths. In particular, several results on the interlacing (bracketing) of the spectra of graphs with different vertex ...
Berkolaiko, Gregory, Kuchment, Peter
core   +2 more sources

Associations between BMI and the FTO Gene Are Age Dependent: Results from the GINI and LISA Birth Cohort Studies up to Age 6 Years [PDF]

open access: yes, 2010
Objective: The association between polymorphisms in intron 1 of the fat mass and obesity associated gene (FTO) and obesity-related traits is one of the most robust associations reported for complex traits and is established both in adults and children ...
Bauer, Carl Peter   +15 more
core   +1 more source

A mathematical framework for finite strain elastoplastic consolidation. Part 1: Balance laws, variational formulation, and linearization [PDF]

open access: yes, 1995
A mathematical formulation for finite strain elasto plastic consolidation of fully saturated soil media is presented. Strong and weak forms of the boundary-value problem are derived using both the material and spatial descriptions.
Alarcón Álvarez, Enrique   +1 more
core   +2 more sources

Integrable Euler top and nonholonomic Chaplygin ball [PDF]

open access: yes, 2011
We discuss the Poisson structures, Lax matrices, $r$-matrices, bi-hamiltonian structures, the variables of separation and other attributes of the modern theory of dynamical systems in application to the integrable Euler top and to the nonholonomic ...
A. G. Reyman   +48 more
core   +1 more source

Multigrid Methods for Hellan-Herrmann-Johnson Mixed Method of Kirchhoff Plate Bending Problems

open access: yes, 2017
A V-cycle multigrid method for the Hellan-Herrmann-Johnson (HHJ) discretization of the Kirchhoff plate bending problems is developed in this paper. It is shown that the contraction number of the V-cycle multigrid HHJ mixed method is bounded away from one
Chen, Long, Hu, Jun, Huang, Xuehai
core   +1 more source

Range-Point Migration-Based Image Expansion Method Exploiting Fully Polarimetric Data for UWB Short-Range Radar [PDF]

open access: yes, 2018
Ultrawideband radar with high-range resolution is a promising technology for use in short-range 3-D imaging applications, in which optical cameras are not applicable. One of the most efficient 3-D imaging methods is the range-point migration (RPM) method,
Ayumi Yamaryo   +3 more
core   +2 more sources

Concurrently coupled solid shell-based adaptive multiscale method for fracture [PDF]

open access: yes, 2017
Artículo Open Access en el sitio web del editor. Pago por publicar en abierto.A solid shell-based adaptive atomistic–continuum numerical method is herein proposed to simulate complex crack growth patterns in thin-walled structures.
Budarapu, Pattabhi Ramaiah   +2 more
core   +1 more source

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