Monday, October 22, 2018

Project I: The Munich Olympic Stadium using Grasshopper

The Olympiastadion in Munich is a stadium built for the 1972 Summer Olympics for soccer matches. The stadium was designed for 80,00 people though currently it has a capacity of 69,250. The roof is a tensile fabric structure designed by architect Günther Behnisch and engineer Frei Otto. The objective of this project is to create a parametric model of the stadium using Grasshopper.



For this project, we shall be attempting a portion of the stadium as follows:

The points are generated in Grasshopper without being referenced in Rhino through which a mesh is created. For this the a set of points are created and then a curve is interpolated through them as follows.




The next step is to create a linear array of points which would be used to generate a mesh. For this a plugin called 'Mesh Edit' has been used.



After this, we can bake the points and reference the anchor points to be used for the Kangaroo plugin but if we raise the anchor points and reset simulation, the anchor points are lost. This is why the anchor points are referenced as follows.


After this the Kangaroo Physics simulation is done using Kangaroo and Weaverbird plugin. The final mesh is baked and the details like the columns are added.






Another plugin was used called 'Mesh curvature' which analyses the curvature of the mesh. The pink marks the less strained parts of the mesh and red marks the most strained parts.


The zebra surface analysis in Rhino.

Project movie:


References:

  1. https://www.youtube.com/watch?v=eE_c40GvRMI&t=1931s
  2. Images from Wikipedia Commons. 
  3. Olympic Stadium by Martin Heide and Neils Wouters.


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