This article is part of BD+C's special five-part Technology Report 2014: Top tech tools and trends for AEC professionals.
For more than a decade, the U.S. Department of Energy has made its EnergyPlus energy analysis and thermal load simulation program available for free to Building Teams.
Using EnergyPlus, AEC professionals can model heating, cooling, lighting, ventilation, and other energy flows, as well as water consumption, within a building design.
But without a major rewrite of the program since its creation, using EnergyPlus could exhibit slow performance and occasionally inaccurate analysis results.
The programming language it was originally written in, Fortran, simply could not keep up with advances in the hardware and software computing environment. FORTRAN is a language aimed at scientific programs to be run by scientists for days and weeks on supercomputers, not by building designers running multiple iterations of a design idea in a matter of a few hours.
Because it wasn't well integrated with common architectural design software, EnergyPlus never gained widespread adoption by architects working in the conceptual stage of a project.
At Greenbuild 2013, Autodesk (working pro bono) turned over brand new engine source code to the DOE to create a completely rewritten EnergyPlus for a forthcoming version. The new code will be made available under the DOE’s open source license.
Autodesk’s software engineers translated EnergyPlus—more than 600,000 lines of code—to C++, a modern, object-oriented language that is better supported on mass-market hardware and software platforms.
As a result, a larger ecosystem of developers and vendors will be able to contribute updates to the code in order to improve performance and decrease the time required to run energy model simulations.
The forthcoming version will also work better with BIM applications, auditing tools, and energy dashboards after it is released and developers are able to work on improved integrations.
For more, visit: http://apps1.eere.energy.gov/buildings/energyplus.
Related Stories
| Aug 11, 2010
AGC unveils comprehensive plan to revive the construction industry
The Associated General Contractors of America unveiled a new plan today designed to revive the nation’s construction industry. The plan, “Build Now for the Future: A Blueprint for Economic Growth,” is designed to reverse predictions that construction activity will continue to shrink through 2010, crippling broader economic growth.
| Aug 11, 2010
New AIA report on embassies: integrate security and design excellence
The American Institute of Architects (AIA) released a new report to help the State Department design and build 21st Century embassies.
| Aug 11, 2010
Section Eight Design wins 2009 Open Architecture Challenge for classroom design
Victor, Idaho-based Section Eight Design beat out seven other finalists to win the 2009 Open Architecture Challenge: Classroom, spearheaded by the Open Architecture Network. Section Eight partnered with Teton Valley Community School (TVCS) in Victor to design the classroom of the future. Currently based out of a remodeled house, students at Teton Valley Community School are now one step closer to getting a real classroom.
| Aug 11, 2010
High-profit design firms invest in in-house training
Forty-three percent of high-profit architecture, engineering, and environmental consulting firms have in-house training staff, according to a study by ZweigWhite. The 2008-2009 Successful Firm Survey reports that only 36% of firms overall have in-house training staff. In addition, 52% of high-profit firms use an online training system or service.
| Aug 11, 2010
Help Wanted: Architect for $100 million 'Discovery Park' in Union City, Tennessee
The Robert E. and Jenny D. Kirkland Foundation is identifying architects interested in designing a 50-acre, multi-million dollar complex in Union City, TN. Discovery Park of America will be a world-class, multi-faceted venue presenting exhibits and interactive experiences about history, nature, art, and science.
| Aug 11, 2010
Report: Fraud levels fall for construction industry, but companies still losing $6.4 million on average
The global construction, engineering and infrastructure industry saw a significant decline in fraud activity with companies losing an average of $6.4 million over the last three years, according to the latest edition of the Kroll Annual Global Fraud Report, released today at the Association of Corporate Counsel’s 2009 Annual Meeting in Boston. This new figure represents less than half of last year’s amount of $14.2 million.