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Superseded Versions of Terms and Conditions

Oasys keeps copies of all superseded versions of its terms and conditions.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/fax/email/web based support
  • free software updates available via internet download
  • personalised output header for many products

Melbourne Olympic Park Stadium

Software Used on this Project

Project Overview

The new soccer stadium will allow soccer and rugby fans to get close to the action like never before, rather than conforming to the geometric restrictions of Melbourne’s much-beloved oval pitch stadiums, where ‘Aussie Rules’ football and cricket reign supreme.

COX Architecture, working with Arup structural engineers designed a ‘bioframe’ roof, comprising a single structural layer of steel tubes that use a combination of arch, cantilever and shell actions for stability. With the structural mass of the roof weighing in at only 45 kg/m2, the stadium is one of the leanest of its kind.

How Oasys proved invaluable

GSA, with its user-friendly interface and wide range of analysis functions, played an integral role in realising this lightweight roof. In the initial stages of the project the wireframe of the complex geometry was imported directly into GSA using .DXF file format, ensuring consistency between architectural and analysis models.

Once the geometry was established, GSA’s grid loading capabilities allowed roof member loads to be input (and amended) more quickly than if line loads were individually applied to each element.

To inform calibration of wind tunnel tests, modal analysis was used to estimate the natural frequency of the roof structure, the results of which were fed back into the analysis model for checking strength and serviceability criteria.

To assess whether each of the CHS members (over 4000 in total) had adequate strength, and to account for the buckling behaviour of the bioframe, the ‘Dallard Method’ was adopted. The ‘Dallard Method’ is ideally suited to analysis using GSA, as it makes use of GSA’s P-Delta and buckling solvers. It was necessary to have an analysis package that was capable of re-calculating the stiffness of the structure in its displaced conditions, and GSA was again able to deliver.

Conveniently, the buckled mode shapes and associated displacements are already normalised, ready for direct application to Dallard’s method of buckling assessment. Also beneficial was GSA’s graphic output, such as deflected shape and displacement contours, as it allowed clear identification of the effective length of each mode shape. Furthermore, the ease with which load cases and design actions were able to be enveloped within GSA was a factor in reducing the time required for analysis.

When checking the final load combinations, the ability to plot combined stress contours meant we could quickly ascertain structural adequacy.

Throughout all stages of analysis, GSA’s ability to easily import and output data in spreadsheet format was crucial. Its user-friendly graphic representations allowed the model to be quickly manipulated and understood.

Award for Sports or Leisure Structures Winner
IStructE Structural Awards 2010

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