Orbital Stack

Guided by experts, powered by Orbital Stack 

Gain critical design feedback faster and earlier in your building design process

two people looking at Orbital Stack simulation on computer screen.

Orbital Stack is an engineering software solution that delivers Computational Fluid Dynamics (CFD) and thermal simulations. Developed and used by RWDI’s own engineers and climate specialists, Orbital Stack leverages the knowledge and best practices that our engineers have developed over decades of climate analysis. Solve your greatest design challenges earlier and capture the expertise of our experienced team of engineers.

Orbital stack rotating simulation

Orbital Stack offers:  

Faster results 

Identify and solve the complex challenges of your designs sooner to save time now and avoid costly mistakes later. 

Full-picture analysis 

Understand how your project will interact with its surroundings with insight into multiple climate factors, including pedestrian wind comfort, thermal comfort, and solar conditions. 

Expert insights 

Benefit from simulation results and the consultative expertise gained from the world’s largest collection of wind tunnel projects. 

Evaluate projects from every angle 

Access RWDI’s world-renowned engineering and climate services, including Orbital Stack, for a complete understanding of your projects. 

Orbital stack wheel diagram showing building comfort factors

From concept to completion,  RWDI can guide your project across the full lifecycle

4 stages of a project life cycle

Not your ordinary CFD

Decades of experience in wind tunnel testing and climate analysis have uniquely positioned RWDI to create and deliver a tool that goes beyond traditional CFD, representing the natural environment and delivering accurate results that other simulation software simply cannot provide.  

Orbital Stack incorporates the advantages of CFD with RWDI’s unmatched expertise. When applied to your vision, you gain better insight into your design, without compromising quality or safety. 

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