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Hyperelastic material models in Abaqus. When to choose what?

Posted by Christine Obbink-Huizer on Apr 21, 2020 2:58:47 PM

To model the behaviour of rubbers and rubber-like materials, typically hyperelastic material models are used. A hyperelastic material is elastic: after unloading, the material returns to its original shape. The material state therefore does not depend on the history or the rate of deformation, but only on the current loading. The model is based on a strain energy potential, which is a function of the (invariants of the) current strain.

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Topics: Rubber, hyperelastics, Tips, Tricks & Approaches, marlow

Modelling hyperelastic behavior using test data in Abaqus

Posted by Nikolaos Mavrodontis on Dec 11, 2017 5:51:49 PM

In this blog, the hyperelastic behaviour modelling in Abaqus will be discussed.  This will be implemented by fitting relevant experimental data with appropriate strain potential energy functions that are built-in in Abaqus and deciding on the function that best models the rubber materials behaviour. Additionally a finite element model will be demonstrated, wherein the designated material behaviour will be show cased.

Last but not least, in the process of explaining relevant aspects  of hyperelastic material modelling with Abaqus, various suggestions and good practices will be shared.

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Topics: Rubber, hyperelastics, test data

Modelling rubber materials with Abaqus

Posted by Juan Parraga on Apr 21, 2016 9:40:13 AM

In this blog we will focus on the capabilities of Simulia Abaqus to assist in modelling rubber like materials.
Rubber materials such as thermoplastics are largely used in the industry; to list some of the areas where these materials can be found we can mention tyre industry, consumer pack goods, medical or sealing solutions but rubbers are also present in many others engineering fields. Today I will dedicate the next lines to the sealing market due to its beneficial ratio between ease to explain-build up a model and the high end capabilities that Abaqus can provide.

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Topics: Rubber, Abaqus, Tips, Tricks & Approaches, seal, viscoelasticity, creep, pressure penetration

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