Modeling & simulation research

News and Updates

NIST Publishes a Beginner’s Guide to DNA Origami

January 8, 2021

In a technique known as DNA origami, researchers fold long strands of DNA over and over again to construct a variety of tiny 3D structures, including miniature

A Billion Tiny Pendulums Could Detect the Universe’s Missing Mass

October 13, 2020

Researchers at the National Institute of Standards and Technology (NIST) and their colleagues have proposed a novel method for finding dark matter, the cosmos’s

Man with dark hair writing mathematical formulas on a whiteboard on a wall.

NIST Formula May Help 5G Wireless Networks Efficiently Share Communications Frequencies

May 26, 2020

Researchers at the National Institute of Standards and Technology (NIST) have developed a mathematical formula that, computer simulations suggest, could help 5G

Projects and Programs

Optical and Optoelectronic Materials Characterization

This project aims to develop rigorous measurements and methodology needed for determining optical and electrical properties of advanced materials that might be

Material Qualification

The lack of repeatable process outcomes from additive manufacturing (AM) has been broadly acknowledged as an impediment to widespread implementation. While most

Data Driven Decision Support for Additive Manufacturing

“Digital disruption is a change in industry triggered by advances in information and communications technology. During the next few years, the technologies

Accurate Calibration of Atomic Force Microscope Cantilever Spring Constants using Laser Doppler Vibrometry

The application of atomic force microscopy to go beyond topographic imaging and accurately measure nanomechanical properties of materials often depends on being

Publications

Simulations of Flow Over an Axisymmetric Hill

February 26, 2021

Author(s)

Rikhi Bose, DongHun Yeo

In this report, high-Reynolds number turbulent flow around an axisymmetric hill is studied using large eddy and unsteady Reynolds averaged Navier-Stokes

Quasi-Deterministic Channel Model for mmWave: Mathematical Formalization and Validation

January 25, 2021

Author(s)

Chiehping Lai, Jian Wang, Camillo Gentile, Nada Golmie

5G and beyond networks will use, for the first time, the millimeter wave (mmWave) spectrum for mobile communications. An accurate performance evaluation is

Tuning the characteristics of photoacoustic pressure in a laser-induced photoacoustic generator: a numerical study

January 19, 2021

Author(s)

Sangmo Kang, Jeeseong Hwang

We present a new numerical computation platform to simulate a laser-induced photoacoustic generator (LIPAG) model by integrating thermal, elastic, and acoustic

Developing Cost Functions for Estimating Solar Photovoltaic System Installed Using Historical Data and OLS Regression

November 20, 2020

Author(s)

David H. Webb, Joshua D. Kneifel

Solar photovoltaics (PV) continues to increase in market share. Policy decisions and the nature of solar markets continue to shift; however, it is likely that

Software

HVAC SIMulation PLUS other systems (HVACSIM+)

August 24, 2020

The first version of HVACSIM+, which stands for “HVAC SIMulation PLUS other systems”, was introduced by National Institute of Standards and Technology (NIST) in

Smart Investment Tool

June 15, 2020

This tool calculates metrics for investment analysis documented in NIST Advanced manufacturing Series 200-5. It calculates net present value, internal rate of

VCCTL Software

(Return to Cement Hydration and Degradation Modeling Software) The Virtual Cement and Concrete Testing Laboratory (VCCTL) software provides a virtual

Network Modeling Software

This software is a set of NetworkX additions for the creation of graphs to model networks.Graphicality Testing -- This is a set of routines for testing if a

Tools and Instruments

Large Aperture Scanner

The Large Aperture Scanner (LAS) scans a radar transceiver over a 5 meter by 20 meter aperture. Image reconstruction techniques enable a three-dimensional

Awards

Xiao Tang - 2016 Fellow of the American Physical Society

The criterion for election is exceptional contributions to the physics enterprise; e.g., outstanding physics research, important...