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Johannes T.B. Overvelde's blog

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Postdoc @AMOLF in Amsterdam: Smart Fluidic Circuits for Autonomous soft robots

In this PostDoc, you will study ways to replace the electronics currently needed to control soft robots by dedicated soft fluidic circuits that will control and power the soft robot. You will e.g. work on embedding smart fluidic circuits that contain soft fluidic sensors, and that harness nonlinear mechanics to allow for direct feedback with the environment. The ultimate aim of this research is to ‘cut the tethers’, and to use such fluidic circuits to have soft robots perform tasks autonomously.

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PhD position @AMOLF, Amsterdam, the Netherlands: Development of a soft robotic heart

A PhD position is available in the Soft Robotic Matter group @AMOLF, Amsterdam, the Netherlands. The PhD focusses on the development of a complete soft artificial biocompatible heart. For more information and to apply, please visit the AMOLF website.

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Rational design of reconfigurable prismatic architected materials

Advances in fabrication technologies are enabling the production of architected materials with unprecedented properties. Most such materials are characterized by a fixed geometry, but in the design of some materials it is possible to incorporate internal mechanisms capable of reconfiguring their spatial architecture, and in this way to enable tunable functionality.

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Tensile instability in a thick elastic body

A range of instabilities can occur in soft bodies that undergo large deformation. While most of them arise under compressive forces, it has previously been shown analytically that a tensile instability can occur in an elastic block subjected to equitriaxial tension. Guided by this result, we conducted centimeter-scale experiments on thick elastomeric samples under generalized plane strain conditions and observed for the first time this elastic tensile instability.

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Amplifying the response of soft actuators by harnessing snap-through instabilities

Engineering actuators with capabilities that match and even exceed those found in nature, is a long-standing challenge. While traditional actuators are built with hard materials, it has been recently shown that elastomeric materials enable the design of fluidic actuators that are lightweight, inexpensive, easy to fabricate, and able to undergo large deformation and complex motions. However, these actuators typically rely on large volumes for their actuation.

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Abaqus Script Manual/Tutorial

I have written a introduction manual/tutorial on Abaqus Scripting. I got some good feedback from my colleagues. Therefore, I would like to share the manual.The manual should give a short introduction (it will not take more than one hour) to Abaqus script in Python.

You can find the manual here:

Abaqus Script Manual

Via the same link you can also find more information on the connection between Matlab and Abaqus

Good luck!

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