Face2PPG: An unsupervised pipeline for blood volume pulse extraction from faces

CA Casado, MB López - IEEE Journal of Biomedical and …, 2023 - ieeexplore.ieee.org
Photoplethysmography (PPG) signals have become a key technology in many fields, such
as medicine, well-being, or sports. Our work proposes a set of pipelines to extract remote …

Darcy-Weisbach friction factor at the nanoscale: From atomistic calculations to continuum models

A Liakopoulos, F Sofos, TE Karakasidis - Physics of Fluids, 2017 - pubs.aip.org
A modification of the Darcy-Weisbach friction factor applicable to nanoscale liquid transport
processes is proposed. Non-equilibrium molecular dynamics simulations allow us to access …

Online machine learning for accelerating molecular dynamics modeling of cells

Z Zhang, P Zhang, C Han, G Cong… - Frontiers in Molecular …, 2022 - frontiersin.org
We developed a biomechanics-informed online learning framework to learn the dynamics
with ground truth generated with multiscale modeling simulation. It was built on Summit-like …

[HTML][HTML] MaMiCo 2.0: An enhanced open-source framework for high-performance molecular-continuum flow simulation

P Jarmatz, H Wittenberg, V Jafari, AD Sharma… - SoftwareX, 2022 - Elsevier
The macro–micro-coupling tool (MaMiCo) is an open source C++ research software
framework, designed to create molecular-continuum flow simulations in a modular way, ie …

MaMiCo: Non-local means and POD filtering with flexible data-flow for two-way coupled molecular-continuum HPC flow simulation

P Jarmatz, F Maurer, H Wittenberg… - Journal of Computational …, 2022 - Elsevier
Noise filtering in fluid dynamics enables stable, strongly-coupled molecular-continuum
coupling despite potentially high thermal fluctuations. In this extended version of our …

SPIN: A data-driven model to reduce large chemical reaction networks

M Baranwal, JC Saldinger, D Kim, P Elvati, AO Hero… - Fuel, 2024 - Elsevier
The behavior and chemical reactivity of a group of molecules are typically illustrated using
intricate and extensive chemical reaction networks. These networks consist of a group of …

Proposed empirical entropy and Gibbs energy based on observations of scale invariance in open nonequilibrium systems

AF Tuck - The Journal of Physical Chemistry A, 2017 - ACS Publications
There is no widely agreed definition of entropy, and consequently Gibbs energy, in open
systems far from equilibrium. One recent approach has sought to formulate an entropy and …

Transient two-way molecular-continuum coupling with OpenFOAM and MaMiCo: A sensitivity study

H Wittenberg, P Neumann - Computation, 2021 - mdpi.com
Molecular-continuum methods, as considered in this work, decompose the computational
domain into continuum and molecular dynamics (MD) sub-domains. Compared to plain MD …

MaMiCo: parallel noise reduction for multi-instance molecular-continuum flow simulation

P Jarmatz, P Neumann - … –ICCS 2019: 19th International Conference, Faro …, 2019 - Springer
Transient molecular-continuum coupled flow simulations often suffer from high thermal
noise, created by fluctuating hydrodynamics within the molecular dynamics (MD) simulation …

Synchronized molecular-dynamics simulation of the thermal lubrication of an entangled polymeric liquid

S Yasuda - Polymers, 2019 - mdpi.com
The thermal lubrication of an entangled polymeric liquid in wall-driven shear flows between
parallel plates is investigated by using a multiscale hybrid method, coupling molecular …