brain modelled with initial tearing

J Subbaroyan, A finite-element model of the mechanical effects of implantable microelectrodes in the cerebral cortex, Journal of Neural Engineering 2 (2005) 103–113

Brain Young’s Modulus 6000 N/m^2, Poisson’s Ratio 0.45
Probe Young’s Modulus 200 × 10^9 N/m^2, Poisson’s Ratio 0.278

Contact regions: 6 faces of the probe and 4 faces of the tear in the brain.

Fixed support and displacement are same as the previous models.

We shall describe our results based on maximum principal strain, which combines the effect of all the axial strains and hence is representative of the events in the space surrounding the implant.

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Brain: Young's Modulus 10kPa, Poisson's Ratio: 0.1, Density 1050 kg/m^3
Probe: Young's Modulus 1000GPa, Poisson's Ratio: 0.3

Contact Region: Manual, 6 faces of probe and top surface of brain

Brain: 886 Nodes, 156 Elements
Probe: 423 Nodes, 60 Elements

Boundary Conditions:
Fixed Support: Bottom of Brain
Displacement: -0.01m, y direction of the 8 faces of the probe
Force: 10 N, 8 faces of the probe, in - y direction

Large Deflection: Off

Good papers:
Jeyakumar Subbaroyan, A finite-element model of the mechanical effects of implantable microelectrodes in the cerebral cortex, J. Neural Eng. 2 (2005) 103–113

Devang Gandhi, Functionality Evaluation of Photo-definable Polyimide, Flexible Interface for the Central Nervous System*, IEEE

Solid Works Brain Probe Model

But the thing is: I modelled the probe as a hole, instead of as another solid. To be added with Assembly.