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Frequently Asked Questions

Getting Started & General Information

39

How do I get Started?
Do I need to be an expert in CFD Software to use Orbital Stack?
What’s included on the Getting Started Onboarding Roadmap?
How does Orbital Stack differ from other CFD Tools?
Where does Orbital Stack get its weather data?
Can I use Orbital Stack offline? Do I have to download Orbital Stack onto my computer?
What to do if I’m having trouble logging in or have other technical software issues?
How do I connect to Orbital Stack?
Can I see who at RWDI have accessed my project?
Does RWDI need to accept an invitation to access the shared project?
How do I stop sharing a project with RWDI?
What permissions do RWDI have when I share my project with them?
Can I share my project with specific RWDI team members rather than the entire team?
How can I share my project with RWDI team I’m collaborating with?
What should I do if I need more information or assistance with Share Groups?
Is it possible to edit or delete an existing Share Group?
How can I share a project with a Share Group?
How do I add or remove users from a Share Group?
How do I create a new Share Group?
Can I set a Share Group as the default?
What are Share Groups?
How often is the Usage History updated?
Can I view the usage history for specific users or projects?
How can I use the information in the Usage History?
What information is displayed in the Usage History table?
What is the Usage History feature?
What happens if I run out of credits before the month ends?
How can I purchase or modify Bundles or Subscription plans?
Where can I find pricing information for Bundles, Subscriptions, and Pay-Per-Use?
What is Pay-Per-Use, and when should I consider it?
How can I track my credit usage and know when my subscription credits will reset?
What are Bundles, and when should I use them?
How does Orbital Stack manage usage?
How can I manage the permissions and roles of users in my organization?
Are there any restrictions on assigning monthly subscription plans?
How do I remove a user from my organization?
Can I change a users role or subscription?
What roles are available in User Management and what permissions does each have?
How do I add a new user to my organization?

Projects & Simulations

19

What type of projects can I upload?
How do I understand/ interpret my results?
What is Pedestrian Level Wind Comfort?
What is Thermal Comfort?
What Study/Analysis types can I run for each Simulation?
Do directional arrows identify wind speeds?
What is SPMV?
What is Predicted Mean Vote (PMV)?
How long does it take to run a Simulation and get the actual results once I’ve submitted my project?
Where can I select and access Future Climate Data in Orbital Stack?
Is Future Climate Data supported in both AI and CFD simulations?
What kind of results does Future Climate Data produce?
What makes an International Airport Weather Station the preferred choice?
Can we add notes once the scenario has been submitted?
How can I accept a Project Share?
What if I get stuck trying to interpret my results?
How do I review my results?
Does Orbital Stack plugin to my AutoCAD program, so I can directly upload my project?
What are directional arrows?

Technical Guidance

49

What are the geometry requirements?
What should I do if my “City is Too Big”?
What should I do if my files are too large?
How does Orbital Stack integrate Future Climate Data into simulations?
What is the smallest size (thickness) object that Orbital Stack can handle when it goes to meshing?
Some of the buildings have offsets, what are the smallest dimensions that we should use so the model meshes correctly?
What is Orbital Stack’s Future Climate Data feature?
What distance should I consider when choosing my upwind terrain for each wind direction?
Why do I need to select an upwind terrain option for all directions?
Why use Future Climate Data for microclimate simulations?
How should I model the terrain around my project?
What are the Shared Socioeconomic Pathways (SSPs)?
What types of landscaping can we include?
How do I specify the porosity of my landscaping and mitigation objects?
Does AI support landscaping and porous elements?
Can we customize the porosity of fences with any %?
How should I model palm trees?
What % porosity does Orbital Stack Support?
What is the difference between inbounds [-1, 1] results with the inbounds [-2. 2] results?
My results are distorted/ only showing as blue and green. Why is this happening?
I have some deep 7-8 feet continuous balconies, how should we model these?
Is it possible to use weather data from multiple locations in one simulation?
How is the height of the data specified and why is it important?
Can I edit or replace my custom weather file after uploading it?
What should I do if I encounter errors while uploading my custom weather file?
Where can I find sample data to help me format my TC360 weather file correctly?
What should I do if my weather data source is not in TC360 format?
How do I label my custom weather file after uploading it?
Can I upload multiple custom weather files for a single project?
What is the proper format for the wind direction column?
What units should I use for wind speed in my TC360 weather file?
How do I measure wind speed and at what height should it be measured?
What if I only have wind data and no other meteorological information?
How do I format the date and time in my TC360 weather file?
What is TC360 weather data and why is it required?
How do I aggregate and compare multiple result layers?
Can I download multiple result layers at once?
Is there a limit to the number of times I can download the data?
Do I need any special software to view glTF files?
Which software do I need to access and view VTP files?
What is the difference between VTP and glTF file formats?
Where can I access and download the data files?
How can I utilize the downloaded data?
What types of data can I download from my project scenario?
Why is the simulation engine version important?
Is it possible to change the simulation engine after the project is completed?
My project doesn’t indicate which simulation engine was used. How can I find out?
What are the different versions of simulation engines available?
How can I determine which simulation engine was used for my project?

Pricing & Credits

12

Is it possible to cancel my monthly subscription?
Is there a minimum time commitment for the monthly subscription packages?
How do I purchase a Future Climate Simulations?
Do my credits roll over each month when I subscribe to a monthly subscription package?
What is included in the 1 hr of free onboarding training?
How do I manage multiple users and colleagues under one account?
Do you offer discounts for purchasing simulations at a higher volume?
Is there consulting included with my subscription or pricing bundle?
Can I share my login credentials with other users in my company?
How do I choose what pricing bundle or subscription level is best for me?
What happens if I run out of AI or CFD simulations before the end of my subscription?
How many credits do I need to use for each type of simulation?

Preparing Geometry

7

Can I update the overlay file after uploading it?
What if my overlay layer is not visible in the simulation results?
Can I use multiple overlay files?
Why do I need to raise the overlay layer by 1.7 meters?
What types of objects should be included in the overlay layer?
How should I prepare my overlay files?
What is the purpose of the overlay layer?

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FAQs
Preparing Geometry

Preparing Geometry

Can I update the overlay file after uploading it?
What if my overlay layer is not visible in the simulation results?
Can I use multiple overlay files?
Why do I need to raise the overlay layer by 1.7 meters?
What types of objects should be included in the overlay layer?
How should I prepare my overlay files?
What is the purpose of the overlay layer?

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