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Simuleon FEA Blog

Simulating spring back after metal forming in Abaqus

Posted by Christine Obbink-Huizer on Jun 22, 2020 9:29:20 AM

When producing a part, you want it to match the design, the geometry. How to achieve this is not always evident.

For example, when the part is created from sheet metal by pressing it between an upper and lower die, the final part may not fully match the space in between the dies due to the spring back effect. If the deformation would be fully plastic, then the deformed shape will not change during unloading. If it is partially elastic, then the elastic deformation is recovered upon unloading and hence the final shape differs from the shape between the dies. In this blog I’ll give an example of this effect, showing that we can model it with Abaqus.

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Topics: springback, metal forming, Tips, Tricks & Approaches, sheetmetal

Join our online webinar: Residual Stress and Springback using Abaqus

Posted by Dolf Broekaart on Jun 25, 2019 8:45:10 AM

In this month’s webinar we will be covering residual stress and springback. We will look at their definition and implications on FEA, how to deal with springback efficiently in Abaqus and the transfer of residual stresses and deformed parts between Abaqus steps and solvers.

Often the forming of metallic parts involves large quasi-static deformations and multiple sources of non-linearity. Processes such as these are regularly analysed using Abaqus/Explicit. This has implications when the aim is to model the forming process and determine the final deformed shape of a component.

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Topics: Abaqus, ringing, residual stress, springback, metal forming

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