Fenella Johns Administrator Posts: 6 11/14/2016

Fenella Johns Administrator Posts: 6 If you have Failure Criteria that you need to use in design calculations but are not available in the Rubicon Online Tools, you can email us the details and we will add the criteria for you. For us to do this, your criteria need to be in a form that allows their use in multi-layer linear elastic calculations. If you would like us to add an equation form, please provide us with the following details: Name for Criteria – be as specific as possible (imagine in time we’ll have a list of 1000!) Exact equation form. Preferably in the Nf = or log Nf = format, and shown as an equation picture Definition of all constants Definition of all other inputs (if applicable), with units Stress or strain parameter used in the equation Where stress/strain calculated (top/bottom/middle of layer; under & between the wheel) Unit for stress/strain parameter (e.g. strain is in microstrain or no unit, stress in kPa, etc) Is a shift factor used? If so, please define Two sample calculations (can be provided in a spreadsheet) showing all the details of the calculation, to use as a check. The Stress-Strain Tool will help you put the examples together A reference for the Transfer Function - preferably the full reference document Note that Failure Criteria added to Rubicon Toolbox online tools will currently be available to all clients and users. We will display the name of company who provided the information regarding the criterion as part of the criterion report. Please email these details to support@rubicontoolbox.com. edited on 12/14/2016 edited by on 10/17/2023

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