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ARUP’s Oasys brings advanced crowd analysis software to wider market with MassMotion Flow

3D analysis of pedestrian behavior for ingress/egress, emergency evacuation and general flow has never been quicker, easier to use or more accessible, using MassMotion Flow.


Earlier this summer Oasys Ltd, of the UK, announced the decision to bring its world-class unique pedestrian analysis software to the mass market with MassMotion Flow. The newer product and pricing configuration will bring the benefits of advanced crowd analysis to a much wider market, helping more architects, engineers, and planning professionals conduct emergency evacuation and circulation analysis and planning.

MassMotion Flow

MassMotion Flow has be created to meet the demand from many of the firms who have recognized and used its parent product—MassMotion, as the most advanced pedestrian simulation and analysis tool available in the market, but do not need the full feature set. MassMotion, the parent product, was recognized as a Runner-Up for Architosh’s AIA National BEST of SHOW in the Innovation category this past late spring.

MORE: Architosh awards 4th ‘BEST of SHOW’ honors for software and technology vendors at AIA Atlanta

“Exploring different scenarios is no longer an expensive or time-consuming luxury. MassMotion and MassMotion Flow bring crowd safety and behaviors to the forefront of the design process, right where they belong, for firms of any size.” says Erin Morrow, product director of and the driving force behind the development of MassMotion.


The new release matches the original MassMotion for analysis power, and on the number of agents it can simulate. It will therefore suit the needs of designers and engineers who want to be able to model environments quickly to get feedback on pedestrian interaction and behaviour for a large number of different scenarios, and for projects of any size. Simulations are typically based on standard, easily-imported CAD/3D models.


01 – ARUP’s Oasys Ltd.’s MassMotion Flow brings the power of leading-edge pedestrian simulation and analysis to a wider group of architects and engineers in a more affordable product. (image: Oasys Ltd.)

Capable of simulating hundreds of thousands of people within a matter of hours, MassMotion Flow holds all data in a single SQL database to turbo-charge data storage, retrieval and interrogation.  Designs are rapidly analysed using a variety of built-in graphing, mapping, and filtering tools.

Architects, engineers and designers have become aware of the quantum leap they can make by switching from 2D to 3D crowd analysis in communicating complex ideas to stakeholders, and to explain and win the case for changes in designs. MassMotion Flow also features the new bi-ped agents that have been developed by the Oasys teams for even more realistic visual presentation.

MassMotion Flow’s new object-based user interface makes it easy to develop pedestrian environments quickly using either imported CAD/BIM geometry or from scratch with MassMotion’s new polygon modelling tools.

Other new features include dynamic scene search, select anywhere behaviour, time tables, and dynamic properties, which now make it easier to work with your data. High-quality real time 3D graphics and direct image and video capture generate stunning proposals and presentations.

BIM integration is very much at the heart of the design of MassMotion Flow, which means the data it generates can be used to inform others in the project teams quickly, accelerating the production of optimal final designs.

Oasys Commercial Manager Nigel Rees said:  “We believe that MassMotion Flow is a tool that every architect, fire engineer and designer will need to meet their customer’s growing expectations for proof of concept with more analysis and easily-understandable visual output.

“Naturally, there is a clear upgrade path to MassMotion and those who find they need more functionality can move from one to the other, easily transferring data between the systems.”

Available to buy or rent on licenses as short as one month, MassMotion and MassMotion Flow quickly deliver return on investment. To learn more or evaluate the software for free for 30 days visit: A suite of training videos are available to view here.

MassMotion and MassMotion Flow are available for Windows operating systems.

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