Thunderhead Engineering develops software, with particular expertise in developing intuitive GUI for engineering applications, PyroSim, Pathfinder and PetraSim.

Joined December 2010
587 Photos and videos
Thunderhead provides example videos in the Pathfinder YouTube playlist to help users explore specific workflows and features. Watch here: 🔗 youtu.be/So_K1UiTjoY?si=KBfE… #pathfinder #pedestrianmodeling #evacuationmodeling #firesafety
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The PyroSim Fundamentals Example Series continues to evolve through user feedback. Recent updates include clearer workflow guidance, refreshed UI screenshots, and improved examples. 📧 support@thunderheadeng.com 🔗 help.thunderheadeng.com/supp… #pyrosim #fds #firemodeling
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Track H₂O vapor and contaminant concentrations using Species and default concentration settings. Run transient simulations for Indoor Air Quality workflows. 🔗 thunderheadeng.com/docs/2026… #indoorairquality #ventus #airflowmodeling
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International reseller partners help provide localized support, translations, and training across global markets. Learn more about our partner network: thunderheadeng.com/partners/ #fireengineering #firesafety #simulationsoftware
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Preview Model in Results allows you to quickly examine CFD-meshed geometry before running a full simulation. This workflow helps review generated surfaces and model conversion directly in PyroSim Results. Learn more: thunderheadeng.com/docs/2026… #pyrosim #firemodeling #cfdmodeling
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Generate rooms, doors, and stairs directly from imported BIM and CAD geometry in Pathfinder. 🔗 thunderheadeng.com/docs/2026… #pathfinder #bim #evacuationmodeling
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Research into contaminant transport, particle modeling, and Indoor Air Quality analysis continues to expand through Ventus workflows. Featured at IAQVEC 2026. Learn more: thunderheadeng.com/ventus/ai… #indoorairquality #airflowmodeling #ventus
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Non-commercial licenses are available for academic and review workflows. Academic licenses support students, instructors, and institutions. AHJ and Reviewer licenses support project review processes. 🔗 thunderheadeng.com/docs/late… #firesimulation #egressmodeling
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Pathfinder supports detailed evacuation analysis with agent-based models. Used for scenario testing, validation, and research. High-level users share real-world applications and insights. Watch here: youtu.be/DeqeLZeTBVQ #pathfinder #egressmodeling #firesafety
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Quickly define floors by selecting geometry and using “Add Floor to Fit Objects.” PyroSim calculates elevation and wall height based on the selected objects, helping you organize multi-level models and apply clipping more efficiently. #pyrosim #bimworkflow #engineering
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Ventus includes built-in error and warning checks. Issues are identified directly in the model, helping you locate and resolve problems during setup. Learn more: thunderheadeng.com/docs/2026… #ventus #fireengineering #simulation
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Advanced Pathfinder features continue to evolve. Assisted Evacuation is supported by updated documentation to help you build and refine your models. thunderheadeng.com/docs/2026… #pathfinder #egressmodeling #firesafety
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Mesh Refinement Zones increase resolution in targeted areas of your model. This allows for more detailed results where needed, without increasing overall cell count. thunderheadeng.com/docs/2026… #pyrosim #firesimulation #bimworkflow
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Select and filter flow paths in Ventus. Group by connections like shafts or stairwells, or filter by values to focus on relevant data. Learn more: thunderheadeng.com/docs/2026… #ventus #fireengineering #simulation
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Pathfinding verified with IMO 10. Green shows current seek curves. Red shows future paths and waypoints. Learn more: thunderheadeng.com/docs/2026… #pathfinder #engineering
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Ventus keeps a full history of your edits, so you can quickly undo, redo, and refine your workflow. Helpful for collaboration and iteration, especially when testing changes in complex models. #ventus #hvacdesign #engineering
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Most fire models require multiple scenarios. PyroSim lets you manage them in a single file by enabling or disabling objects as needed. Less duplication. Easier updates. More efficient simulations. thunderheadeng.com/docs/2026… #pyrosim #firesimulation #engineeringworkflow #bim
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Use queues to move occupants through unassigned seating or event layouts. This makes it easier to model realistic movement patterns over time, especially in large or dynamic spaces. #pathfinder #crowdsimulation #engineering
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Use Filter View to isolate parts of your model and troubleshoot more efficiently. thunderheadeng.com/docs/2026… #pyrosim #firesimulation #bimworkflow
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The updated ordering page makes it easier to view pricing and generate quotes. store2.thunderheadeng.com/ca… #pyrosim #pathfinder #ventus
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