Terms & Conditions

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Data Security

Website Terms and Conditions

Software Licensing Terms


Data Security

We are committed to ensuring that your information is secure. In order to prevent unauthorised access or disclosure we have put in place suitable physical, electronic and managerial procedures to safeguard and secure the information we collect.

All data is stored in secure electronic systems accessible only to Oasys staff with both valid network login credentials and specific authorisation to access the system.  Our systems further limit data access by role to ensure data is available only to those who have a specific need to see it.

If at any point you suspect or receive a suspicious communication from someone suggesting they work for Oasys or a website claiming to be affiliated with Oasys, please forward the communication to us or report the incident by email to oasys@arup.com or in writing to Oasys, 13 Fitzroy Street, London, UK, W1T 4BQ as soon as possible.

Data Security Notice Updated 27th February 2020

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Website Terms and Conditions

The contents of this web site are protected by copyright and other intellectual property rights under international conventions. No copying of any words, images, graphic representations or other information contained in this web site is permitted without the prior written permission of the webmaster for this site.

Oasys accepts no responsibility for the content of any external site that links to or from this site.

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Software Licensing Terms

Terms and Conditions of Purchase

The full conditions of purchase and maintenance for all Oasys software are set out in the Oasys Software Licence and Support Agreement. All prices are subject to TAX at the current rate.

Prices and specifications are subject to change without notice – please ask for a written quotation.

Although every care has been taken to ensure the accuracy of all information contained herein, the contents do not form or constitute a representation, warranty, or part of any contract.

Superseded Versions of Terms and Conditions

Oasys keeps copies of all superseded versions of its terms and conditions.

Maintenance & Support Services

Support and maintenance is included with all subscription licences for their full duration.

Annual maintenance contracts are available for software under a perpetual licence, prices are based on a percentage of the most recent list price.

This service includes:

  • telephone/email/web based support
  • free software updates available via internet download
  • personalised output header for many products

MassMotion wins stamp of approval

MassMotion and Flowthe BIM-compatible 3D pedestrian modelling software tools developed by Oasys have been validated and verified by Arup engineers, demonstrating that their simulations not only fulfil Oasys’ performance claims, but that they really do offer a true representation of the key aspects of human behaviour during an evacuation.

MassMotion and Flow are desktop pedestrian dynamics and evacuation simulation software tools that replicate the built environment as a series of geometrical components (e.g. floors, ramps, stairs, escalators, doors, barriers, and portals). Agents (or occupants of the 3-dimensional space) are introduced into the geometry of the built environment where they interact with the geometry components, in accordance with user-specified evacuation scenarios.

The route selection of an evacuating agent can be specified in two ways:

  • Least Cost – Agents travel via the ‘easiest’ route.
  • Specified Destination – An exit portal is specified for each agent. The agent will take the ‘Least Cost’ route to the specific exit portal.

Once the route selection has been established, the agents are effectively independent. Their movement through the 3D model is a reflexive process implemented via a ‘Social Forces’ algorithm that has been calibrated in accordance with Fruin’s Level of Service for pedestrian planning. They act as real pedestrians would.

Verification and validation (V&V) was conducted in accordance with the International Maritime Organisation (IMO) 1238 and the National Institute of Standards and Technology (NIST) Technical Note 1822. The V&V process included comparing predictions with ‘real world’ evacuation events, evacuation drills and circulation events.

“Verification and validation is a key factor for engineers when assessing the reliability of software modelling tools, and defining where their use is appropriate. Clearly this is especially important for evacuation modelling,” said Oasys Product Director Erin Morrow. “Put simply, this successful V&V demonstrates not only that our software does everything we intend it to, but also that it addresses the real world challenges that fire engineers face.

”We are immensely proud of this truly-remarkable software, which has unrivalled 3D capabilities and visual output in its field.”

You can download a copy of the Verification and Validation document the MassMotion documentation page within Support.

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