PArallel, Robust, Interface Simulator (PARIS)Paris (PArallel, Robust, Interface Simulator) is a finite volume code for simulations of immiscible multifluid or multiphase flows. It is based on the "one-fluid" formulation of the Navier-Stokes…W. Aniszewski, T. Arrufat, M. Crialesi-Esposito et al.·Dec 21, 2020SaveLearn
Explicit volume-preserving numerical schemes for relativistic trajectories and spin dynamicsA class of explicit numerical schemes is developed to solve for the relativistic dynamics and spin of particles in electromagnetic fields, using the Lorentz-BMT equation formulated in the Clifford…R. Cabrera, A. G. Campos, D. I. Bondar et al.·Dec 21, 2020SaveLearn
Geant4 simulation of the moderating neutrons spectrumIn this paper we deal with the problem of predicting a steady-state neutron spectrum in media of arbitrary composition and geometry. The analytical calculations of such spectrum are often too…V. P. Smolyar, V. A. Tarasov, A. O. Mileva et al.·Dec 21, 2020SaveLearn
Convolutional neural networks for long-time dissipative quantum dynamicsExact numerical simulations of dynamics of open quantum systems often require immense computational resources. We demonstrate that a deep artificial neural network comprised of convolutional layers…Luis E. Herrera Rodriguez, Alexei A. Kananenka·Dec 20, 2020SaveLearn
LeptonInjector and LeptonWeighter: A neutrino event generator and weighter for neutrino observatoriesWe present a high-energy neutrino event generator, called LeptonInjector, alongside an event weighter, called LeptonWeighter. Both are designed for large-volume Cherenkov neutrino telescopes such as…R. Abbasi, M. Ackermann, J. Adams et al.·Dec 18, 2020SaveLearn
A Novel Reinitialization Scheme for Conservative Level Set MethodExisting artificial compression based reinitialization scheme for conservative level set method has a few drawbacks, like distortion of fluid-fluid interface, unphysical patch formation away from the…S. Parameswaran, J. C. Mandal·Dec 16, 2020SaveLearn
Manufactured Solutions for the Method-of-Moments Implementation of the Electric-Field Integral EquationThough the method-of-moments implementation of the electric-field integral equation plays an important role in computational electromagnetics, it provides many code-verification challenges due to the…Brian A. Freno, Neil R. Matula, William A. Johnson·Dec 16, 2020SaveLearn
Capillary Bridges on Liquid Infused SurfacesWe numerically study two-component capillary bridges formed when a liquid droplet is placed in between two liquid infused surfaces (LIS). In contrast to commonly studied one-component capillary…Alvin C. M. Shek, Ciro Semprebon, Jack R. Panter et al.·Dec 15, 2020SaveLearn
Humidity Influence on Mechanics and Failure of Paper Materials: Joint Numerical and Experimental Study on Fiber and Fiber Network ScalePaper materials are natural composite materials and well-known to be hydrophilic unless chemical and mechanical processing treatments are undertaken. The relative humidity impacts the fiber…Binbin Lin, Julia Auernhammer, Jan-Lukas Schäfer et al.·Dec 15, 2020SaveLearn
Deep Bayesian Local CrystallographyThe advent of high-resolution electron and scanning probe microscopy imaging has opened the floodgates for acquiring atomically resolved images of bulk materials, 2D materials, and surfaces. This…Sergei V. Kalinin, Mark P. Oxley, Mani Valleti et al.·Dec 13, 2020SaveLearn
A GPU-Accelerated Fast Summation Method Based on Barycentric Lagrange Interpolation and Dual Tree TraversalWe present the barycentric Lagrange dual tree traversal (BLDTT) fast summation method for particle interactions. The scheme replaces well-separated particle-particle interactions by adaptively chosen…Leighton Wilson, Nathan Vaughn, Robert Krasny·Dec 13, 2020SaveLearn
Detection of chaotic behavior in time seriesDeterministic chaos is phenomenon from nonlinear dynamics and it belongs to greatest advances of twentieth-century science. Chaotic behavior appears apart of mathematical equations also in wide range…Radim Pánis, Martin Kološ, Zdeněk Stuchlík·Dec 11, 2020SaveLearn
Comparison of Update and Genetic Training Algorithms in a Memristor Crossbar PerceptronMemristor-based computer architectures are becoming more attractive as a possible choice of hardware for the implementation of neural networks. However, at present, memristor technologies are…Kyle N. Edwards, Xiao Shen·Dec 10, 2020SaveLearn
High-order semi-Lagrangian kinetic scheme for compressible turbulenceTurbulent compressible flows are traditionally simulated using explicit time integrators applied to discretized versions of the Navier-Stokes equations. However, the associated…Dominik Wilde, Andreas Krämer, Dirk Reith et al.·Dec 10, 2020SaveLearn
Correlation: An Analyzing Tool for Liquids and for Amorphous SolidsFor almost a century, since Bernal\'s attempts at a molecular theory of liquid structure(Bernal [1]), correlation functions have been the bridge to compare theoretical calculations with experimental…Isaías Rodríguez, Renela M. Valladares, Alexander Valladares et al.·Dec 10, 2020SaveLearn
Non-planar sensing skins for structural health monitoring based on electrical resistance tomographyElectrical resistance tomography (ERT) -based distributed surface sensing systems, or sensing skins, offer alternative sensing techniques for structural health monitoring, providing capabilities for…Jyrki Jauhiainen, Mohammad Pour-Ghaz, Tuomo Valkonen et al.·Dec 8, 2020SaveLearn
A modular massively parallel computing environment for three-dimensional multiresolution simulations of compressible flowsNumerical investigation of compressible flows faces two main challenges. In order to accurately describe the flow characteristics, high-resolution nonlinear numerical schemes are needed to capture…Nils Hoppe, Stefan Adami, Nikolaus A. Adams·Dec 8, 2020SaveLearn
Method of Moments and T-matrix HybridHybrid computational schemes combining the advantages of a method of moments formulation of a field integral equation and T-matrix method are developed in this paper. The hybrid methods are…Vit Losenicky, Lukas Jelinek, Miloslav Capek et al.·Dec 8, 2020SaveLearn
Elastic neutron scattering models for NCrystalThe NCrystal library provides a range of models for simulation of both elastic and inelastic scattering of thermal neutrons in a range of material structures. This article presents the available…Thomas Kittelmann, Xiao-Xiao Cai·Dec 8, 2020SaveLearn
Poroelasticity as a Model of Soft Tissue Structure: Hydraulic Permeability Inference for Magnetic Resonance Elastography in SilicoMagnetic Resonance Elastography allows noninvasive visualization of tissue mechanical properties by measuring the displacements resulting from applied stresses, and fitting a mechanical model.…Damian R Sowinski, Matthew DJ McGarry, Elijah Van Houten et al.·Dec 7, 2020SaveLearn
Multitask machine learning of collective variables for enhanced sampling of rare eventsComputing accurate reaction rates is a central challenge in computational chemistry and biology because of the high cost of free energy estimation with unbiased molecular dynamics. In this work, a…Lixin Sun, Jonathan Vandermause, Simon Batzner et al.·Dec 7, 2020SaveLearn
Integration of Few Body Celestial Systems Implementing Explicit Numerical MethodsThe N-body problem is of historical significance because it was the first implementation of the Newtonian dynamical laws for the description of our Solar System. Motivated by this, the project's…Achilleas Mavrakis, Konstantinos Kritos·Dec 7, 2020SaveLearn
Quantifying the errors of the particle-source-in-cell Euler-Lagrange methodThe particle-source-in-cell Euler-Lagrange (PSIC-EL) method is widely used to simulate flows laden with particles. Its accuracy, however, is known to deteriorate as the ratio between the particle…Fabien Evrard, Fabian Denner, Berend van Wachem·Dec 5, 2020SaveLearn
DAFI: An Open-Source Framework for Ensemble-Based Data Assimilation and Field InversionIn many areas of science and engineering, it is a common task to infer physical fields from sparse observations. This paper presents the DAFI code intended as a flexible framework for two broad…Carlos A. Michelén Ströfer, Xin-Lei Zhang, Heng Xiao·Dec 4, 2020SaveLearn
Iterative Volume-of-Fluid interface positioning in general polyhedrons with Consecutive Cubic Spline interpolationA straightforward and computationally efficient Consecutive Cubic Spline (CCS) iterative algorithm is proposed for positioning the planar interface of the unstructured geometrical Volume-of-Fluid…Tomislav Maric·Dec 3, 2020SaveLearn