Tectonic Behaviour - Arda Ertan Yildiz, David Nan Yang

Arda Ertan Yildiz

Roland Snooks Charlie Boman

Tectonic Behaviour

Advances in robotic fabrication and building-scale 3D printing is about to radically change the relationship between cost and form. This studio explores the design of intricate forms and their strange qualities through innovative tectonic logics.

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First part of studio focused on structural properties of clay printing with UR-10 industrial robots. In the forthcoming chapter clay-concrete-carbonfiber materials, explored. All images and diagrams are mutual work of Arda Yildiz, Stella QingQing, Brad Shakespeare and Zecong Tan.

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Ceramic Characteristics 1. High temperature stability.

2. High hardness-brittleness.

3. High mechanical strength.

4. Low elongation under application of stress.

5. Low thermal and electrical conductivities.

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Ceramic materials are generally hard and corrosion-resistant, while remaining brittle. Most ceramics are also good insulators and can withstand high temperatures. Due to its hard surface, ceramic is easily decorated and therefore often used in the manufacture of crockery such as plates, dishes cups and vases.

Ceramic strength measurement It is difficult to measure the yield strength of ceramics as they tend to fracture before they enter the plastic deformation region, i.e., they are brittle.Tensile tests of brittle ceramics are usually not performed.

It is difficult to shape these materials into the proper test structure, difficult to grab the brittle material without breaking it, and it is difficult to align the test samples to avoid bending stresses which can destroy the sample. For brittle ceramics, a three-point bending apparatus (shown in the figure below) is used determine the stressstrain behavior, and the measurement results are used to calculate an equivalent modulus of elasticity.

Firing Clay

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Weird Things / Haecceity

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Washable Mold for Concrete

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The procedure behind this work involves algorithms that allows plane agents to interact with a mesh surface. A mesh is then created as a response to the interaction of agents.The agents have an assigned attraction to the mesh object but they also have a flocking behavior of between themselves. Amongst themselves, they align, cohere and separate. Finally, the agents have a mesh body of their own.

1 Study 01

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Iteration Count = 127 BodyAgentParameters

maxAgentCount = 600

maxVel = 0.080

maxForce = 0.045

maxPLaneForce = 0.050

rangeOfVision = 2.0

alignPlaneDirection = 0.05 alignPlaneNormals = 0.75 planeSeperation = 0.45 planeCohesion = 0.85 seekMesh = 0.15 seekCurve = 0.10 SegmentAgentParameters

straightenTo = 50

2 Study 02

Iteration Count = 242

maxAgentCount = 1000

maxVel = 0.050

maxForce = 0.085

maxPLaneForce = 0.030

rangeOfVision = 2.0

alignPlaneDirection = 0.05 alignPlaneNormals = 0.75 planeSeperation = 0.45 planeCohesion = 0.85 seekMesh = 0.20 seekCurve = 0.00 SegmentAgentParameters

straightenTo = 15

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BodyAgentParameters

3 Study 03

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Iteration Count = 151 BodyAgentParameters

maxAgentCount = 800

maxVel = 0.040

maxForce = 0.045

maxPLaneForce = 0.050

rangeOfVision = 2.0

alignPlaneDirection = 0.05 alignPlaneNormals = 0.55 planeSeperation = 0.45 planeCohesion = 0.85 seekMesh = 0.50 seekCurve = 0.30 SegmentAgentParameters

straightenTo = 40

4 Study 04

Iteration Count = 222

maxAgentCount = 500

maxVel = 0.080

maxForce = 0.045

maxPLaneForce = 0.050

rangeOfVision = 2.0

alignPlaneDirection = 0.05 alignPlaneNormals = 0.75 planeSeperation = 0.45 planeCohesion = 0.85 seekMesh = 0.15 seekCurve = 0.10 SegmentAgentParameters

straightenTo = 50

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BodyAgentParameters

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As a research outcome longspan roof designed and printed with unique elements. Design protoypes printed in 1:3 components and post tensioned with steel cables.

Forthcoming chapter includes research works and final work in order. All images and diagrams are mutual work of Arda Yildiz and David Nan Yang.

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Chunk 01 42.2 Hours

Chunk 02 22.5 Hours

Chunk 03 35.6 Hours Chunk 04 36.0 Hours Chunk 05 26.8 Hours

Chunk 06 52.2 Hours Chunk 07 39.9 Hours

7 Chunks 255.3 Hours 10.6 Days 50 mm/s Print Speed 8 mm Layer Height

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S1

S2

S3

S4

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D1

D2

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Final model printed in earthenware clay, fired twice [bique fire and glaz ing fire], pieces joined with expanded foam and post tensioned with steel wires.

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