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Approaches of Digital design Part 1

Approaches of Digital design Part 1. Digital Architecture AE 461 course -2013-.

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Approaches of Digital design Part 1

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  1. Approaches of Digital design Part 1 Digital Architecture AE 461 course -2013-

  2. Architects are increasingly using computers to generate 2D and 3D drawings in the design process. They use a computer not only to represent the final product but also to explore architectural form during the schematic phase of design. We will surveys some different approaches in which architects use the computer to find a building form in contemporary architectural design. Digital Architecture AE 461 course -2013-

  3. 1- Topological design • A new approaches to design that move away from deconstructivism‘s ―logic of conflict and contradiction‖ to develop a ―more fluid logic of connectivity.‖ This is manifested through folding that departs from Euclidean geometry of discrete volumes, and employs topological, ―rubber-sheet‖ geometry of continuous curves and surfaces. Digital Architecture AE 461 course -2013-

  4. 1- Topological design • In topological space, geometry is represented by parametric functions, which describe a range of possibilities. The continuous, highly curvilinear surfaces are mathematically described as NURBS – Non-Uniform Rational B-Splines. Digital Architecture AE 461 course -2013-

  5. 1- Topological design • What makes NURBS curves and surfaces particularly appealing is the ability to easily control their shape by manipulating the control points, weights, and knots. NURBS make the heterogeneous and coherent forms of the topological space computationally possible. Digital Architecture AE 461 course -2013-

  6. Walt Disney concert hall, los Angeles California Digital Architecture AE 461 course -2013-

  7. 2- Isomorphic design • Blobs or metaballs, or isomorphic surfaces, are rough objects constructed as composite assemblages of mutually inflecting parametric objects with internal forces of mass and attraction. They exercise fields or regions of influence, which could be additive or subtractive. Digital Architecture AE 461 course -2013-

  8. 2- Isomorphic design • Objects interact with each other instead of just occupying space adding new relations and creating new possibilities. The surface boundary of the whole (the isomorphic surface) shifts or moves as fields of influence vary in their location and intensity. In that way, objects begin to operate in a dynamic rather than a static geography. Digital Architecture AE 461 course -2013-

  9. BMW group , Frankfurt, Germany Digital Architecture AE 461 course -2013-

  10. 2- Isomorphic design • Water drop was selected as the concept for the pavilion. It is the intention of Franken to express the fragile balance between internal pressure and surface tension of a drop of water. • A computer simulation based on physical forces of two drops merging under the influence of gravity was used in order to generate the bubble‘s dynamic form. The facets of the object which is generated from the simulation is used derive the structural ribs of the pavilion as shown in Figure in the left above. Digital Architecture AE 461 course -2013-

  11. 3- Animate design • Animation software is utilized as medium of form-generation. Animate design is defined by the co-presence of motion and force at the moment of formal conception. Force, as an initial condition, becomes the cause of both motion and particular inflections of a form. While motion implies movement and action, animation implies evolution of a form and it‘s shaping forces. Digital Architecture AE 461 course -2013-

  12. 3- Animate design • The repertoire of motion-based modeling techniques are keyframe animation, forward and inverse kinematics, dynamics (force fields) and particle emission. Digital Architecture AE 461 course -2013-

  13. 3- Animate design • Kinematics are used in their true mechanical meaning to study the motion of an object without consideration given to its mass or the forces acting on it. As motion is applied, transformations are propagated downward through hierarchy in forward kinematics, and upward through hierarchy in inverse kinematics. Digital Architecture AE 461 course -2013-

  14. 3- Animate design • Hierarchical constructs such as skeletons made of bones and joints as shown in Figure ‎, which can have various associated constraints, allow designers to create an infrastructure of relations that determine the complex behaviour of the model under transformations, which, for example, can result from the influence of external forces. • A global skin assigned to such skeletal hierarchical organizations makes the deformations formally manifested. As motion or external influences are applied, transformations are propagated down the hierarchy in forward kinematics, and upwards in inverse kinematics Digital Architecture AE 461 course -2013-

  15. Digital Architecture AE 461 course -2013-

  16. 3- Animate design • Gradient field influences are applied as direct abstract analogies for environmental influences, such as wind, and contextual phenomena such as pedestrian, vehicular movements, intensities of use, etc. Lynn offers an example of using particle systems to visualize the gradient fields of attraction present on the site as shown in Figure , created by the forces associated with the movement and flow of pedestrians, cars across the site in the protective roof and lighting scheme for the project. Digital Architecture AE 461 course -2013-

  17. Digital Architecture AE 461 course -2013-

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