Openstudio 2.9.1 [ULTIMATE - 2024]

An in-depth write-up on OpenStudio 2.9.1 must be framed within its specific place in the software's history. Released in December 2019

• Summary of findings, reproducibility via OSW file.

The OpenStudio 2.9.1 environment is characterized by its modularity, utilizing "Measures"—small scripts that automate changes to a model—to perform complex parametric studies. openstudio 2.9.1

Problem

: When a model contains an invalid Schedule:Compact (e.g., a typo in the "Until" command), the OpenStudio to EnergyPlus forward translator crashes without a clear error. Workaround : Use the OpenStudio::Model::Model Ruby method model.validate to check for schedule integrity before running the simulation. An in-depth write-up on OpenStudio 2

Abstract

Brief background, objective, methods (model geometry, schedules, HVAC), key results (EUI, savings %), conclusion. Summary of findings, reproducibility via OSW file

Problem

: On macOS 10.15, OpenStudio 2.9.1 may prompt "EnergyPlus cannot be opened because the developer cannot be verified." Workaround : Go to System Preferences → Security & Privacy → General → Click "Open Anyway" for energyplus and openstudio executables.

OpenStudio 2.9.1 was a significant stable release in the OpenStudio 2.x series, widely used in energy modeling workflows before the transition to OpenStudio 3.x. It represents the final architecture based on Ruby 2.2 and C++11/14 before the major migration to Ruby 2.5 and C++17 in the 3.0 release.

EnergyPlus

OpenStudio 2.9.1 is a specific version of the open-source software development kit (SDK) and collection of tools used for building energy modeling (BEM). It acts as a comprehensive platform that simplifies the use of the simulation engine for whole-building energy analysis and Radiance for advanced daylighting studies. Core Role in Energy Modeling