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Data Security

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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.

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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 desktop software are set out in the Oasys Software Licence and Support Agreement.

The full conditions of purchase and maintenance for Oasys Gofer and Oasys Giraphe are set out in the Gofer SaaS Agreement  and the Giraphe SaaS 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Superseded Versions of Terms and Conditions

Oasys keeps copies of all superseded versions of its terms and conditions.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

 

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Cookies Policies

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GSA Masterclass: Model stability analysis & the use of Assemblies

05/03/15

In this webinar, we look at two key areas: Debugging modelling errors using model stability analysis and the question Why use assemblies in GSA?

Webinar host

Peter Debney is a Chartered Engineer and a Fellow of the Institution of Structural Engineers (IStructE), as well as a member of the International Association for Bridge and Structural Engineering (IABSE). He is the senior consultant, structural application specialist, support manager, and quality manager for Arup in the Oasys software group. He has been a Visiting Professor at the University of Bradford, and is a visiting lecturer at a number of universities. He is a regular public speaker and has published a book on Computational Engineering.

About this webinar

Model instability analysis

Due to the uses of powerful computers, finite element models tend to be large and complex nowadays, this makes it difficult to find modelling problems in a computer model. In this webinar, an analysis tool that can help to detect modelling problem in a structural model is introduced. How it works in GSA is explained and a worked example is demonstrated.

Presenter: Ramaseshan Kannan (PhD, MEng, BEng)

Ramaseshan has been a GSA developer since 2005. His work includes matrix solvers and numerical analysis. Along with co-presenter Stephen Hendry and research collaborators, he developed the numerical basis for the model stability analysis method.

 

GSA Assembly

Finite element analysis requires structures to be defined as many small elements. However for design the engineer is often thinking in terms of large entities, such as cores or trusses, and would like to be able to aggregate results from the elements to give results for these entities. Assemblies are a way to define these higher level entities and allow results, such as bending moments, to be displayed on them. In this webinar the concept of a GSA assembly is introduced, and the uses of assembly are discussed.

Presenter: Stephen Hendry (PhD, MBCS, CITP)

Stephen is one of the main developers of GSA with particular responsibility for solver development. This has included development of solvers for P-delta analysis, modal dynamic and buckling analysis, and response spectrum analysis for seismic problems. He is interested in how the analysis results can be made more accessible to the engineer and assemblies are one way to address this problem.

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