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Terms & Conditions

Contents

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Privacy and Cookies

Data Security

Website Terms and Conditions

Software Licensing Terms


Privacy and Cookies

We may change this privacy notice from time to time by updating this page.

What information do we collect?

When you use this website, we may collect the following information:

  • the areas of the website that you visit
  • information about your computer, such as which browser you are using, your network location, the type of connection you are using (e.g. broadband, ADSL etc) and your IP address

We do this by using cookies, which are small files that help us track how our visitors use the website and enable us to understand where we can improve your experience. If you would like to find out which cookies we use and the information they track see our Cookies Policy.

Once you submit or register information through our website we will know who you are and your activities on this website and information about you and/or your company may be recorded on our systems. For example, we may ask for personal information when you download our software including:

  • your name
  • company name
  • email address
  • postal address
  • telephone number
  • country where you are based
  • Social media ID
  • your comments/questions
  • services/markets you are interested in

We may also collect personal information from telephone calls and/or other correspondence with you.

What do we do with the information we collect?

The information we capture is used for various purposes. The main purpose is to provide you with our services (whether available via the website or offline). We also use the information for:

  • website development
  • understanding how our visitors interact on the website
  • understanding what our clients are interested in
  • understanding what potential clients are interested in
  • dealing with enquiries/concerns
  • marketing our services and people to you
  • market research
  • service development
  • internal record keeping

Marketing

We would like to provide you with information about our services and other information which we think you may find interesting. We may send you such information by post, email and/or telephone, unless you have asked us not to do so.

We will not provide your personal information to other organisations for marketing purposes without your explicit consent.

If at any time you do not want your information used for direct marketing purposes, please contact us or follow the unsubscribe link in our marketing email messages.

Who do we share this information with?

We may share your personal information with companies acting on our behalf who will only use the information to provide that service. However, we will retain control of your data and any third party service provider that we use must act in accordance with our instructions. We may also share your personal information with a purchaser or potential purchaser of our business.

In some circumstances, we may have to disclose your personal information by law, because a court or the police or other law enforcement agency has asked us for it.

How to get copies of or amend the information we have collected

You may request details of the personal information that we hold about you under data protection laws. If you would like a copy of the information held about you please write to us at oasys@arup.com or at: Data Protection Officer, 13 Fitzroy Street, London, UK, W1T 4BQ. Please note that we may charge a small £10 administration fee for information requests.

If you think any information we have about you is incorrect or incomplete, please email us as soon as possible. We will correct or update any information as soon as we can.

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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, including locked cabinets, electronic password protection and pass card access to buildings.

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.

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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

Twelve months support and maintenance is included with most products. Thereafter maintenance is typically 20% of the current sales price.

An annual maintenance service is available for most programs after the first year.

This service includes:

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

Serpentine Gallery Pavilion, London

Software Used on this Project

Project Overview

The Serpentine Gallery Pavilion was designed by Frank Gehry and Arup. It was erected in Hyde Park and was open to the public for one summer.

The Serpentine Gallery annually commissions a foreign architect to design a temporary pavilion for the gallery’s lawn in Hyde Park. The architects who are invited to take part in the project have never completed a building in England before. The Pavilion therefore provides a unique opportunity to display contemporary architectural practice from around the world.

How Oasys proved invaluable

Structural Form

The table-like structure of the pavilion is comprised of four massive timber columns supporting four sloping timber beams. From this frame are hung nine glass canopies which are all orientated differently but arranged so rainwater is channelled into strategically placed soakaways around the perimeter.

The primary frame within the timber cladding comprises steel fabricated box sections of varying size. The columns and beams are connected together with moment joints to form portal frames on all four sides.

The steel frame was clad in Douglas Fir to resemble solid baulks of timber. The connections were designed so the structure could be easily taken down and re-assembled at a different site.

Each primary column was supported on four helical (screw) pile foundations designed and installed by GTL Partnership, with settlement predictions using Pdisp. These piles were extracted once the structure had been taken down, which removed the need for casting sacrificial concrete pads and thus the large excavations and disruption to the park environment.

The Glass Canopies

The biggest structural challenge was engineering the hanging system for the canopies that formed the roof of the pavilion, to ensure each canopy was stabilised without compromising the original architectural concept. There were nine canopies set at different heights and angles. Each canopy consisted of laminated glass panels supported on timber joists.Each canopy sub-frame was suspended from the sloping primary beams via steel rolled section hangers.

The timber joists were supported from above by a steel sub-frame which was clad in Douglas Fir to match the primary frame and joists. This timber cladding was used to enhance the buckling capacity of the sub-frame members.

Structural Analysis

The primary frame, hangers and canopy sub-frames were analysed in a single model using Oasys GSA, with the initial geometry determined from the Frank Gehry Partnership’s 3D model. GSA was used to carry out linear, buckling and dynamic analysis of the structure.

The columns were modelled with pinned bases forming a pair of portal frames in the east-west and north-south directions. The principle model assumed full fixity at the connections between the columns and short-span primary beams and likewise between the long-span and short-span primary beams. Separate models of the connectors were made to check the inherent stresses.

The canopy frame steelwork was modelledto resist bi-axial bending and axial loads, typically with simple connections between adjoining members. The hanger members connecting the canopy frame steelwork to the primary frame and to each other were modelled as bar members only capable of taking axial loads. The flitch-beams forming the brace members act similarly. The eccentricities of the hanger connections to the primary beams were modelled and are an important part of the overall stability of the structure. These were modelled using rigid constraints between a node at the centreline of the primary beam and a node at the eccentric hanger connection.

Modal Buckling Analysis

Despite the ‘suspended’ nature of the roof canopies, under wind loading some of the hangers experience compressive forces and are therefore liable to buckle.

Modal buckling analysis calculates the effective reduction in lateral stiffness that is caused by the compression forces within the structure and uses an eigenvector analysis to predict the most critical possible buckling modes. The mode shape data was processed to give sets of design forces. This ensured a consistent reserve of strength against buckling, without providing extra strength where it is not needed.

Modal Dynamic Analysis

A modal dynamic analysis was run to determine the dynamic characteristics of the structure.

The natural frequencies and associated mode shapes were evaluated. A target natural frequency of greater than 1.00 Hz for the structure in any given mode was deemed to be a suitable response. It was also felt reasonable to assume some degree of fixity at the column bases when considering the structures response to dynamic loading and this was modelled accordingly for this analysis.

Modelling, Fabrication and Erection

With the architect based in Los Angeles, and having never visited the site, the entire design process for the project was carried out in 3D software, with geometrically accurate models being passed backwards and forwards between the Gehry and Arup teams as the design progressed.

When the design was finalised, Arup produced an exact model of the structure that was sent to the steel and timber fabricators. Throughout the project no drawings were produced.

Despite the technical complexity of the design, the pavilion opened on time and behaved structurally exactly as intended.

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