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
Office Buildings | Nov 3, 2015
Emotional intelligence and design
In a world in which technology and its skills are constantly changing, good people skills are becoming more important, writes VOA's Angie Lee.
Architects | Nov 2, 2015
NCARB: Interactive tool helps architects prep for exam
The Transition Calculator for the Architect Registration Examination (ARE) will help licensure candidates transition from ARE 4.0 to ARE 5.0.
Architects | Nov 2, 2015
China Accord: Design firms sign pledge to tackle climate change
52 companies will collaborate to reduce carbon emissions.
BIM and Information Technology | Oct 29, 2015
MIT develops ‘river of 3D pixels’ to assemble objects
The Kinetic Blocks can manipulate objects into shapes without human interference.
Architects | Oct 27, 2015
Top 10 tile trends for 2016
Supersized tile and 3D walls are among the trending tile design themes seen at Cersaie, an exhibition of ceramic tile and bathroom furnishings held in Bologna, Italy in October.
Architects | Oct 27, 2015
Architecture at Zero 2015 design competition names award winners
Entrants created family-style student residential plans for the University of California, San Francisco Mission Bay campus. All projects needed to be as close to net-zero as possible.
Architects | Oct 22, 2015
AIA: Architecture firms reporting progress on achieving carbon reduction targets as part of the 2030 Commitment
The AIA 2030 2014 Progress Report highlights an increase in design projects, gross square footage, and net-zero energy projects.
Architects | Oct 21, 2015
Strong rebound for Architecture Billings Index
Business conditions continue to be weak in the Northeast, but the other regions are in good shape.
Museums | Oct 20, 2015
Frank Lloyd Wright’s Bachman Wilson House finds new home at Arkansas museum
Crystal Bridges Museum reconstructed the 61-year-old Usonian house and will open it to the public in November.
Architects | Oct 20, 2015
Four building material innovations from the Chicago Architecture Biennial
From lightweight wooden pallets to the largest lengths of CLT-slabs that can be shipped across North America
