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
| Nov 11, 2014
Must see: Artist pairs up Hollywood icons with famous modern architecture
In his latest series, Federico Babina illustrated 17 iconic Hollywood personalities, from Marilyn Monroe to Michael Caine, interacting with famous 20th century homes.
| Nov 11, 2014
Renzo Piano's third building at London Bridge Quarter approved, will be built adjacent to the Shard
Renzo Piano Building Workshop has been granted planning approval for its residential building at London Bridge Quarter—a 26-story apartment tower dubbed Feilden House.
| Nov 10, 2014
5 guiding principles for solving airflow issues in open-plenum office spaces
Although architecturally appealing, exposed ceilings can create unwanted drafts and airflow problems if not engineered correctly. McGuire Engineers' Bill Stangeland offers tips for avoiding airflow issues on these projects.
| Nov 10, 2014
Clemson, Parsons architecture education programs honored for innovation, long-term impact
The architecture programs at Parsons The New School for Design and Clemson University have been selected as 2014 NCARB Award recipients for developing innovative curricula that merge practice and education.
| Nov 10, 2014
Herzog & De Meuron unveils plan for National Library of Israel
The library’s new home will be a completely new building in Jerusalem, and will combine the functions of a central research center, a venue for indoor and outdoor cultural and educational activities, and a place for digital experience.
| Nov 10, 2014
Hotel construction pipeline hits five-year high
The hotel construction pipeline hit a five-year high in the third quarter, clocking in at 3,516 projects and 443,936 rooms, Lodging Econometrics reports.
| Nov 7, 2014
Arts college uses creative financing to build 493-bed student housing
Many states have cut back funding for higher education in recent years, and securing money for new housing has been tougher than ever for many colleges and universities. A recent residence hall project in Boston involving three colleges provides an inspiring example of how necessity can spawn invention in financing strategies.
| Nov 7, 2014
Prefab helps Valparaiso student residence project meet an ambitious deadline
Few colleges or universities have embraced prefabrication more wholeheartedly than Valparaiso (Ind.) University. The Lutheran-based institution completed a $27 million residence hall this past summer in which the structural elements were all precast.
| Nov 7, 2014
World's best new skyscraper: Sydney's vegetated One Central Park honored by CTBUH
The Jean Nouvel-designed tower tops the list of 88 entries in the 13th annual Council on Tall Buildings and Urban Habitat Awards.
| Nov 7, 2014
NORD Architects releases renderings for Marine Education Center in Sweden
The education center will be set in a landscape that includes small ponds and plantings intended to mimic an assortment of marine ecologies and create “an engaging learning landscape” for visitors to experience nature hands-on.