NAMD, recipient of a 2002 Gordon Bell Award, a 2012 Sidney Fernbach Award, and a 2020 Gordon Bell Prize, is a parallel molecular dynamics code designed for high-performance simulation of large biomolecular systems. Based on Charm++ parallel objects, NAMD scales to hundreds of cores for typical simulations and beyond 500,000 cores for the largest simulations. NAMD uses the popular molecular graphics program VMD for simulation setup and trajectory analysis, but is also file-compatible with AMBER, CHARMM, and X-PLOR. NAMD is distributed free of charge with source code. You can build NAMD yourself or download binaries for a wide variety of platforms. Our tutorials show you how to use NAMD and VMD for biomolecular modeling.
Breaking News
| NAMD and VMD are part of the team winning the 2020 ACM Gordon Bell Special Prize for high performance computing-based COVID-19 research, for the paper AI-Driven Multiscale Simulations Illuminate Mechanisms of SARS-CoV-2 Spike Dynamics, presented at Supercomputing 2020, Nov 18, 2020. |
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| University of Illinois has established a oneAPI academic Center of Excellence, using oneAPI to bring its cross-architecture single programming model to NAMD in order to address exascale computing challenges of COVID-19. |
| NAMD is able to achieve 9x throughput with version 3.0alpha running on NVIDIA A100 GPUs. Details available on the NVIDIA developer blog. |
| The new NAMD reference paper has been published online. The paper provides an overview of the many features available in NAMD, its scalability on CPU and GPU platforms on system sizes of up to a billion atoms, and the recent performance enhancements for GPU accelerators. |
Spotlight: Bacteria Swim and Tumble (Jan 2007)
image size:
299.9KB
made with VMD
The bacterial flagellum is a large biomolecular assembly used by many types of bacteria as a helical propeller for forward swimming and turning. The flagellum is remarkable in that its properties differ greatly depending on the direction in which it is rotated, allowing the bacterium to switch between swimming straight ("running") and turning ("tumbling"). The mechanics of the flagellum are of interest both to biologists and mechanical engineers. The molecular mechanisms of the transition in the flagellum between running and tumbling modes is unknown. Because of the flagellum's size (several micrometers in length) and composition (made up of 30,000 protein subunits) it presents a challenge to computational modeling. Researchers have now achieved an advance describing the flagellum in both its running and tumbling state. For this purpose, the researchers developed a computational model of the system that glosses over atomic level detail, but resolves the shapes of all proteins making up a bacterial flagellum, simulating a simplified version of the system using the program NAMD. The results, reported recently, showed that the flagellum's transition between swimming straight and tumbling is triggered by friction due to the water around the bacterium. More information on the flagellum project can be found here.
Overview
Why NAMD? (in pictures)
How to Cite NAMD
Features and Capabilities
Performance Benchmarks
Publications and
Citations
Credits and Development Team
Availability
Read the License
Download NAMD Binaries
(also VMD)
Build from Source Code
- Git access now available
Run at NCSA, SDSC, NICS, or Texas
Training
NAMD Developer Workshop in Urbana (August 19-20, 2019)
PRACE School on HPC for Life Sciences (June 10-13, 2019)
"Hands-On" Workshop in Pittsburgh (May 13-17, 2019)
Charm++ Workshop in Urbana (May 1-2, 2019)
Enhanced Sampling and Free-Energy Workshop (Sept 10-14, 2018)
NAMD Developer Workshop in Urbana (June 11-12, 2018)
"Hands-On" Workshop in Pittsburgh (May 21-25, 2018)
"Hands-On" QM/MM Simulation Workshop (April 5-7, 2018)
Older "Hands-On" Workshops
Support
Mailing List Issues for Yahoo.com Addresses
Announcements
NAMD 2.14 Bug Fixes (Apr 2022)
NAMD 2.14 Release (Aug 2020)
NAMD 2.14 New Features
NAMD 2.13 Release (Nov 2018)
NAMD 2.13 New Features
One-click NAMD/VMD in the cloud
QM/MM Interface to MOPAC and ORCA
QwikMD GUI Released in VMD 1.9.3
Previous Announcements
Documentation
Related Codes, Scripts, and Examples
NAMD Wiki (Recent Changes)
Older Documentation
News
NAMD and VMD share in COVID-19 Gordon Bell Special Prize
NAMD reference paper published online
Coronavirus Simulations by U. Delaware Team
Coronavirus Simulations on Frontera Supercomputer
Breakthrough Flu Simulations
Oak Ridge Exascale Readiness Program
Prepping for Next-Generation Cray at NERSC
Supercomputing HIV-1 Replication
How GPUs help in the fight against staph infections
Computational Microscope Gets Subatomic Resolution
Opening New Frontiers in the Battle Against HIV/AIDS
HIV Capsid Interacting with Environment
Assembling Life's Molecular Motor
Older News Items
