Network Applications of the USGS Branch Model

Applications of a numerical model for simulating unsteady flow in dendritic or interconnected open-channel networks are presented to demonstrate the model\u27s potential for addressing environmental problems and formulating engineering decisions in water-resources investigations. The model is computationally robust and readily adaptable to a broad spectrum of hydraulic conditions and open-channel configurations. The four-point, implicit, finite difference model has been implemented on numerous open-channel reaches and networks in support of various water-resources investigations conducted within the U.S. Geological Survey. In this paper, network applications of the model to a residential canal system in Cape Coral, Florida; to a distributary system of channels in the Knik-Matanuska Rivers near Cook Inlet, Alaska; and to the tidal Potomac River and its tributaries near Washington, D.C., are described

Inventing Circulation Patterns using Available Metaheuristic Solvers

The way people navigate through spaces has been studied for quite a while. Different models have been described and validated through empirical studies.This paper explores the use of such models in an ‘inverse design’ (Faucher and Nivet, 2000) process, applying available metaheuristic-solvers. More detailed, it showcases the description of an ambiguous fitness function as base to invent a new circulation pattern. As such technics are time consuming compared to the use of readily available patterns, an attempt is made to analyse and understand the invented circulation patterns, in order to come up with a procedural algorithm that would generate circulation pattern with the same characteristics

Inventing Circulation Patterns using Available Metaheuristic Solvers: From ambiguous fitness functions to procedural patterns

The way people navigate through spaces has been studied for quite a while. Different models have been described and validated through empirical studies.This paper explores the use of such models in an \u91inverse design\u92 (Faucher and Nivet, 2000) process, applying available metaheuristic-solvers. More detailed, it showcases the description of an ambiguous fitness function as base to invent a new circulation pattern. As such technics are time consuming compared to the use of readily available patterns, an attempt is made to analyse and understand the invented circulation patterns, in order to come up with a procedural algorithm that would generate circulation pattern with the same characteristics

Correspondence : Schaffranek (Anton) and Engelmann (George), 1878.

Schaffranek to Engelmann, 187

Generative syntax in architecture and urban design

There are a few theories that describe and explain the role of spatial arrangement on the social interactions of people in built environments, best known of which is called Space Syntax. The term syntax, taken from linguistics, here refers to the [spatial] structure of the whole, as opposed to morphology, which looks at the qualities of individual items. Using these theories, we can analyze existing spatial configurations and in a way measure their socio-spatial performance. However, theories and methods for systematically generating spatial arrangements of certain properties are rare or not put into practice. Combining analytic theories (mostly based on graph theory) with the generation of geometry is at the core of the workshop. In this workshop, we will introduce computational methodologies that can help in generating spaces with known syntactic properties. Three toolkits and methodologies will be introduced: SpiderWeb, Syntactic and Configurbanist.OTBArchitecture and The Built Environmen