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Superseded Versions of Terms and Conditions

Oasys keeps copies of all superseded versions of its terms and conditions.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

The Travellers

Software Used on this Project

Project Overview

The Travellers is a stunning outdoor work of art in Melbourne that sits atop of the former Sandridge Bridge crossing the Yarra River, paying homage to the waves of immigrants that have come to Australia

Arup was engaged to work closely with the renowned international artist Nadim Karam of Atelier Hapsitus, Melbourne City Council, and the fabricators Silverstone Engineering and Danfab to harmonize the artistic vision with the practical realities of the creative structure. Often the line between art and engineering is a blurred one and in the case of the Travellers installation, the line vanished, leaving only the synthesis of the vision and its realisation.

Travelling through time to create a unique design

Due to the complexity of the sculptures, traditional design techniques would have take years and extensive resources, which meant that the design team needed to approach the problem in a very different way. The first part of the concept stage was thus to develop the artist’s complex designs into 3D computer analysis models.

The artist’s vision also included nine of the 10 figures moving from the south end of the bridge to their individual locations along the bridge, turning and spinning as they travelled, returning to the south end, coming together to symbolise multiculturalism.

Designing a movement system for the figures, which are each more than seven metres tall and weighing more than seven tonnes, was a challenge for the team. Arup’s design for the bogie system and rail support system needed to fit into the very tight spatial constraints of the existing Sandridge Bridge.

How Oasys proved invaluable

Creating, testing, refining

Natural frequency model in GSA

The design team realised that in order to make the sculptures constructible and practical, they would need to limit the number of curves and connections within each sculpture while keeping with the artist’s vision. To simplify the fabrication process, they decided that each figure would have no more that 47 different types of curve radii, ranging from 12cm up to 2 metres, and only four different structural sections.

Using Oasys GSA software, the Arup team tested each sculpture against a set of performance and strength based structural criteria, including directional wind and self-weight. This determined which areas in the structure were highly stressed under load, and if the overall sculpture was subject to excess sway in bad weather.

The GSA analysis quickly revealed that some areas needed additional strengthening to prevent overstress. The team then optimized the structural design to find the most efficient design, while keeping in with the limited selection of sections.

For fabrication, realising that the designs could be conveyed more effectively, the Arup team dispensed with traditional construction drawings and issued all the geometry electronically.

GSA stress plot

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