Terms & Conditions

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Superseded Versions of Terms and Conditions

Oasys keeps copies of all superseded versions of its terms and conditions.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

Back to FAQs

GSA – Cases and Combinations

Load Cases

In the model, loads are assigned to Load Cases. These are numbered and can have the prefix L applied, giving them the reference L1, L2, etc.

They can also be given names in the Load Case Titles table. If Load Case names have been set then they can be selected in the loading table views.

Analysis Cases

If a default linear elastic analysis is run, then each load case will be analysed in a separate Analysis Case with the same name and number, but with an A prefix. Hence L1 -> A1, L2 -> A2, etc.

If an analysis tasks are explicitly setup by the user then the Analysis Cases may take the loads from one or more Load Case, which can also be factored at that time. For example, A1 can be derived from “1.35L1 + 1.5L2”.

Combination Cases

Combination Cases add or subtract multiples of one or more Analysis Cases (note that this is only appropriate for linear analyses) and/or calculate the envelope values of a number of Analysis Cases. These are numbered and have a C prefix, they can also be named. For example, C1, with the name “ULS” might have the description “1.35A1 + 1.5A2”.

Envelopes take the results from one or more Analysis and Combination Cases can take the simple form (A1 to A3) or can include multipliers and other modifiers such as min, max, abs, and signabs. A combination case including syntax such as “(1.4 or 1.0)A1 will envelope 1.4A1 and 1.0A1. An envelope case (C1 to C3) will take the extreme values of combination cases C1, C2 and C3.

For a full list of the advanced options for combination cases refer to the GSA help file: Program Fundamentals > Cases and Tasks > Syntax of combination case descriptions.

For a quick reminder of the options type something incorrect into the combination case description to launch the reminder dialogue. The Combination Case wizard is also very useful.

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