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Terms & Conditions

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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

Klingenthal Ski-jump, Germany

Software Used on this Project

Project Overview

The town of Klingenthal in Saxony’s Vogtland region, near the border with the Czech Republic, is a well-known winter resort destination.

To increase it’s existing facilities Vogtland District Council decided to build a modern ski jump facility in Klingenthal to meet the requirements of the International Ski Association (FIS). Designed by architects m2r with Arup as structural engineer, the client’s desire for a modern, safe, architecturally ambitious, but low-cost facility was met by the construction of this very light, almost filigree steel structure.

How Oasys proved invaluable

Design and structural framework

The principal parts of the project are:

  • The tower
    The 35m high tower provides vertical access to the ski-jump and has a lift installed at its side, as well as a cantilevered projecting staircase.
  • The capsule (warm-up room)
    The capsule at the top of the tower is used as a warm-up and rest space during competition and training. It was built as an elliptical barrel, projecting approximately 10m towards the valley side.
  • Connecting bridge
    The bridge links the in-run below to the top of the tower.
  • In-run
    The in-run is in two parts. Uppermost is a 55m long trussed girder, whilst the lower part is formed of 10m long, simply-supported, welded hollow beams linked by transverse hollow square sections and laid directly on the slope. A flexible joint connects the bridge to upper end of the trussed girder, supported by an inverted V-shaped trestle, and the girder’s lower end bears onto a concrete abutment. The truss is triangular, with two upper booms in welded box sections and tensile rods as lower tension booms, and has a maximum camber of about 3.5m. At the upper side of the girder, protruding 4.45m from the central axis, are stairs made of three longitudinal beams supported by cantilevers. Spanning between the longitudinal beams are grilles that form steps for the skiers as they prepare to jump.

Static calculation and design

Because of its spatial complexity and expected large deformations, the ski-jump was analysed as a 3D framework model. Members subject to bending are represented as beams. Bracing elements in the tower, the in-run, and the capsule are represented as tensile bars. GSA was used to assess the stresses in the various elements and to calculate the buckling eigenvalue, associated buckling shape, and second order effects. The dynamic response was also checked to ensure acceptable vibration levels for those using the jump.

For the edge members of the trussed girder, GSA buckling analyses were performed to determine the most adverse combination of loads for stability. The critical combination comprised dead, imposed, snow, and ice loads, wind longitudinal to the in-run, and temperature. The modal displacements from the lowest mode are scaled so that the value w0 of the imperfect shape accords with DIN18800-2. This imperfect shape is used for a subsequent second-order analysis.

The forces and stresses in the elements were calculated for the specified load combinations using a second-order analysis, as described above. For all other load combinations which do not cause a risk of buckling, linear calculations were carried out. The forces and stresses from all these load combinations were then enveloped to give the critical stresses in individual elements in the tower, emergency stairs, capsule, bridge, trussed in-run girder, and in-run in the slope.

Modal analysis

To determine the effects of vertical and horizontal vibrations, the modal shapes, frequencies, and masses were taken from the GSA modal dynamic analyses; the mass for these analyses comprised the dead load of the steel construction and finishes. To estimate the vibration, four 3-D numerical models were generated: (1) the entire jump construction; (2) the trussed in-run girder; (3) the tower stairs; (4) the projecting capsule.

The lowest vertical vibration frequencies for the trussed in-run girder and for the projecting capsule are below 3.5Hz. For these elements, the expected accelerations were calculated to estimate the effects on people on the jump. Similarly the lowest natural frequency of the horizontal vibrations amounted to about 1.4 Hz for the entire structure, which meant that these expected accelerations had to be calculated too.

Conclusion

This delicate plush steel structure, with its minimal intrusion on the landscape, constitutes a new development in the construction of ski jumps. It’s detailed design was achieved using the advanced analysis capabilities of GSA.

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