What is parametric modeling and computational design

Parametric design or computational design is a pattern or standard in design where the relationship between elements is used to manipulate and inform the design of complex geometries and structures. The term parametric originates from mathematics (parametric equation) and refers to the use of certain parameters or variables that can be edited to manipulate or alter the end result of an equation or system. 

Computational design is a broad term that encompasses many activities, ranging from design generation to task automation. By encoding design rules in a computational framework, it’s very easy to generate hundreds, if not thousands of options using those rules. What’s more, each option can be evaluated using specific criteria to determine the best solution.

Parametric modeling systems can be divided into two main types:

• Propagation-based systems where one computes from known to unknowns with a dataflow model.

• Constraint systems which solve sets of continuous and discrete constraints.

More details available on Wikipedia and Archdaily

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