Project 1 - Parametric Mass Modeling

Project 1 - Parametric Mass Modeling - Allianz Arena

Project Information

Case Study Specifications

Allianz Arena

Location: Munich, Germany

Architect: Herzog & de Meuron ArupSport

Construction Date: 2002-2005

Size: 105 x 68 meters

Seating Capacity: 75,000

Case Study Information

Allianz Arena is home to the FC Bayern Football Club and the German National Football Team. The stadium's luminous facade is constructed with 2,874 ETFE-foil air panels that allow the building to be fully color changing.

Project Intent

The goal of this project is to create a parametric stadium family that allows the user to customize the size of the stadium to accommodate for the function of the events. The design of the stadium family is based on that of Allianz Arena. The exterior facade of the stadium is created with material parameters, allowing the building to be fully color changing as seen in the case study.

Modeling Process

Form Creation

The shape of the building in plan is essentially a rectangle with radiused corners. I built the parameter formulas so that the length, width and radius of the corners would all be connected and would be proportioned similar to Allianz Arena.

Based on the design of the building, I used a sweep as the basis of the form. I traced a section of the building and pinned this section to my parametric rectangle created in the previous step. Selecting the parametric rectangle and the drawn section, I was able to complete the sweep. I flexed the model at different sizes to assure that the new swept form would work parametrically as well.

Facade Creation

By dividing the surfaces of the outer shell of the building, I was able to apply a patterned curtain grid. In editing the size and rotation of this triangular pattern curtain panel grid, I was able to generate a pattern similar to that of the exterior panels of Allianz Arena.

Curtain Panels

In order to create an exterior surface similar to Allianz Arena where each panel has a bump depth and flexibility of color options, I had to create a new triangular pattern curtain panel. I made the curtain panel family parametric through a series of adaptive points. The center point is offset vertically from the base work plane, creating the bump depth height parameter. This allows the user to edit the bump depth of the panels, each having a material parameter assigned to it.

Final Model

I loaded the family into the main project file and repeated the process of flexing the parameters. In this main model I was able to create supplemental modeling details and move on to visualization.

Process Video

Project 2 - Visual Programming in Parametric Design

Project Intent The goal of Project 2 is to expand upon the 3D model produced in the Project 1 case study of Allianz Arena in Munich, Germany. Project 1 focused on creating a fully parametric stadium model, with the ability to edit the size, as well as material and physical parameters of the exterior panels. The exterior panels were given the ability to be color changing and have parametrically driven bump heights. Project 2 utilizes Dynamo Visual Programming in order to further develop these capabilities. Dynamo scripts were to created to edit the bump depth of panels with the use of an integer slider and change the colors of the panels based on their types, as well as more advanced scripts compounding on these actions. Project Set-up Before getting into Dynamo Programming, I needed to edit and expand on some of the families created for Project 1. In order to later be able to edit the color and bump heights of different areas of the stadium, I had to create new types within the curta

ARCH 653 Building Information Modeling in Architecture

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