A workflow towards designing surfaces with distinct kinematic properties
back or research process
Mechanically rigid elements are bonded to pre-stretched textiles using 3D printing. The textile therein simulates the soft interfacing membrane between the hard plates as observed in natural systems. The textile absorbs the applied tension that arises due to the pre-stretching and transfers it to the entire system. The generated model and workflow can be used to explore the complexity of properties of natural tessellation systems while opening up new areas of application for Design and Architecture.
supervised by
Prof. Carola Zwick
Prof. Jörg Petruschat
back or research process
Mechanically rigid elements are bonded to pre-stretched textiles using 3D printing. The textile therein simulates the soft interfacing membrane between the hard plates as observed in natural systems. The textile absorbs the applied tension that arises due to the pre-stretching and transfers it to the entire system. The generated model and workflow can be used to explore the complexity of properties of natural tessellation systems while opening up new areas of application for Design and Architecture.
supervised by
Prof. Carola Zwick
Prof. Jörg Petruschat
Iterations
Granularity
Tile Shape
Tessllatiopn pattern
Gradual shift in tile size
Radial shift in tile size
.
Functional Script to interactively manipulate Audio Data
When tessellation defines the overall form of the surface it is concert dominant (formative) such a tessllation can be concidered to perprogram a material. This means the geometry of the tessellation allows and guides certain movement patterns, prescribing movement in one or more directions
When tessellation defines the overall form of the surface it is concert dominant (formative) such a tessllation can be concidered to perprogram a material. This means the geometry of the tessellation allows and guides certain movement patterns, prescribing movement in one or more directions
MPI for intelligent Systems (Metta Sitti)
MPI Colloids and Interfaces (Peter Frazel)
- Small scale soft robotics
- Pressure driven systems
- Liquid Christa elastomere
- Stiffness gradients (biobased 3D printing)
- Wireless Magnetic miniture Robots
- External magnetic Actuator + compatible with human body
- Application is drug delivery (on site)
- The magnetic field controls shape deformation
MPI Colloids and Interfaces (Peter Frazel)
- Structure (Geometrie) to generate Properties
- Humidity as actuator
- Take energy from the environment such as heat to actuate movement
- Bone as mechanical sensor (Geometric amplification)
- Inhärent information in hardwaere instead of software
EML Webinar (David Bigoni) (Katia Bertoldi) MIT 03/2020
How to predict the textile stretch / or the angles of the tile shape)
Computational tools for modeling material behaviour (Curve-ups - Russian Gisenov)
Bertoldi’s group investigates the potential of mechanical structures regarding Multi-stability and bi-stability, energy trapping, and linked structural networks to morph energy (control energy flow). The group is interested in generating structures with two or more energy minimal. Which means structures that can fall/rest in two states. The main challenge here is to make a structure jump from one energy minimum to the other, the energy invest to change shape always needs to be high enough to trigger the deformation/shape change itself. The group uses finite element simulation to numerically develop models that predict certain structural behaviors. The goal of the simulations is to reduce the amount of energy that has to be put into the system (trigger) and at the same time maximize the tension that is being released through shape change (after the trigger). When exploring those structures the energy curve that represents the included forces won’t be symmetric but a symmetric. It means the amount of energy used to trigger to go from state A to B is not the same as the energy that is needed to go back from B to A. The example Bertoldi s group shared was a bi stable structure trapping two air chambers, once the first chamber is inflated the second chamber pops out explosively resulting in a jump. After the jump is performed the structure has to be ‚reset’ manually as the first chamber can not morph enough energy to make the second chamber pop back. What is being called energy trapping is a way of loading a structure with tension that can at a later point be released to perform a structural change.
- Multistabile structures from energy trapping to morphing
- Bistable structures (two energy minimal states)
- Kirigami shell
- Bistable joint - linked network
How to predict the textile stretch / or the angles of the tile shape)
Computational tools for modeling material behaviour (Curve-ups - Russian Gisenov)
Bertoldi’s group investigates the potential of mechanical structures regarding Multi-stability and bi-stability, energy trapping, and linked structural networks to morph energy (control energy flow). The group is interested in generating structures with two or more energy minimal. Which means structures that can fall/rest in two states. The main challenge here is to make a structure jump from one energy minimum to the other, the energy invest to change shape always needs to be high enough to trigger the deformation/shape change itself. The group uses finite element simulation to numerically develop models that predict certain structural behaviors. The goal of the simulations is to reduce the amount of energy that has to be put into the system (trigger) and at the same time maximize the tension that is being released through shape change (after the trigger). When exploring those structures the energy curve that represents the included forces won’t be symmetric but a symmetric. It means the amount of energy used to trigger to go from state A to B is not the same as the energy that is needed to go back from B to A. The example Bertoldi s group shared was a bi stable structure trapping two air chambers, once the first chamber is inflated the second chamber pops out explosively resulting in a jump. After the jump is performed the structure has to be ‚reset’ manually as the first chamber can not morph enough energy to make the second chamber pop back. What is being called energy trapping is a way of loading a structure with tension that can at a later point be released to perform a structural change.
Gespräch mit Jörg Petruschat 03/2020
- Überleben ist Resultat nicht ziel -> Möglichkeitsraum 1. Optimierung 2. Großzügigkeit Prinzip der Natur (Überreichtum)
- Selfish Gene (Dawkins)
- A Genotyp B Phänotyp
- Potentiale der Formen werden durch Materialität repräsentiert
- Was ist Leben (Schrödinger)
- Entropie -> Zeit Leben
- Negative Entropie -> Leben
- Hierarchische molekularbewegung
- Ausweichbewegungen generierten Leben (Negative Entropie)
- Tessellierung vom rand her
- Aus der Symmetrie heraus potenziale der Unregelmäßigkeit entdecken
- Frei Otto (Methode)
