Make data-driven decisions based on real wind tunnel results.

Simplify the complex task of accurately simulating real-world wind behavior with AI

Convenient and cost-effective access to powerful outdoor microclimate, cladding and wind analysis for engineers that provides accurate and reliable data for optimizing designs without the need for extensive computational resources.

An easy to use, web-based environmental analysis tool

Outdoor Comfort

Orbital Stack provides typical wind comfort conditions and scales to guide appropriate use of each space. Combining wind and solar simulations with climate data also allow you to visualize how outdoor spaces meet usage profiles and indicate patrons’ thermal comfort.

Learn More

Airflow Analysis

Airflow Analysis examines wind speeds and reveals potential issues with usability, comfort, and safety. Climate-scaled wind flow plots and streamlines map winds on a virtual model, providing insights into local directionality and guiding mitigation choices.

Learn More


Analyze shadows by predicting their general placement according to the season and time of day. Plots are created for each season and time range to show the solar potential as a % for the given period.

Learn More


Run pressure coefficients on the entire façade of your building and assess mean values along with more meaningful minimum and maximum pressures. Predict pressures in real-time while instantly iterating to find your ideal configuration at the conception stage.

Learn More

Why firms rely on Orbital Stack?

Get started on day one

A straightforward UI, integrated climate data, and other user-oriented features make it easy to get up and running

Win more projects

Vibrant visuals showcase your climate-savvy designs, so you can deliver winning pitches that stand out in a crowded market

Reduce risk and lower costs

Comprehensive simulation and analysis, plus access to RWDI’s experts, helps you avoid design pitfalls and expensive rework

Maximize property value

Inviting, functional outdoor spaces raise property values by increasing comfort for tenants and driving foot traffic to businesses

Increase project efficiency

Spend your valuable time designing outstanding buildings, not researching climate data and fighting with cumbersome tools

Make data-driven decisions

Replace opinions and guesswork with timely, understandable—and actionable—insights that stand up to scrutiny

Ready to see Orbital Stack in action?

Architects, developers, engineers, and urban planners around the world are already using Orbital Stack to maximize outdoor comfort, property value, and building performance.

We’d love to show you what our solution can do!

Learn More

Ready to power your designs with Orbital Stack?