We discuss the basic concepts of density functional theory (DFT) as applied to materials modeling in the microscopic, mesoscopic and macroscopic length scales. The picture that emerges is that of a single unified framework for the study of both quantum and classical systems. While for quantum DFT, the central equation is a one-particle Schrodinger-like Kohn-Sham equation, the classical DFT cons...

Modeling for wireless sensor networks is very challenging because the modeling needs to adapt network dynamics and find out multiple optimizing paths from the microscopic point of view. In this paper, we propose a cellular automata model that focuses on dynamic network topology, multipath data transmission mechanism and energy overhead. Each node in a network is represented by a cell, and any p...

Modeling the cardiac function is often considered using a phenomenological approach, where the cardiac contraction is described macroscopically (at the organ level). However, in this study we use a microscopic approach and describe the rabbit ventricular contraction at the cellular and subcellular levels. This leads to a better description of the ventricle contraction during flow-clamp protocol...

The ability to simulate at the microscopic level all terminal transport processes is of paramount importance to ports and terminals, to the industry, to a wide range of multidisciplinary researchers, and to many other stakeholders. In a microscopic simulation, every significant piece of equipment is modeled and tracked. Terminal operators report that such detailed modeling capabilities do not e...