SIMULATION: Transactions of The Society for Modeling and Simulation International

doi: 10.1177/003754979105600603pmid: N/A

Kotva, Milan; Hauser, Frantisek

doi: 10.1177/003754979105600604pmid: N/A

Fishwick, Paul

doi: 10.1177/003754979105600605pmid: N/A

This column focuses on a single topic within the field of computer simulation. All the material comes directly from the electronic news group (bulletin board) called Simulation Digest. The Digest can be obtained over INTERNET by accessing the news group 'comp.simulation' or by sending e-mail to: '[email protected]'

Teeters, Jeffrey Lee

doi: 10.1177/003754979105600606pmid: N/A

The Model Development Language (or MDL) is a simulation language and system which uses an assignment statement notation tailored for 2-dimensional layered neural networks. The key features are: (1) Operations occur on 2-dimensional arrays which correspond to the layout of many brain structures. (2) A spatial convolution operation models spatial summation occurring in dendritic trees. (3) Arbitrary time invariant expressions and differential equations may be specified by simple assignment statements. (4) Numerical methods are automatically taken care of in the MDL environment rather than in the user's specification of the model. These features allow high level modeling using leaky integrator model neurons and modeling of detailed biophysical properties, such as the Hodgkin-Huxley equations and voltage clamp experiments. Conciseness of the language allows specification of a moderately complex retina model in only one or two pages of code. The parallel structure of the language allows highly optimized implementation on parallel or vector processing computers. Use of the language is illustrated through two ex amples.

Kornecki, A.; Cieplak, J.; Schneider, A.

doi: 10.1177/003754979105600607pmid: N/A

The Airway Science Simulation Labora tory (ASSL) was established in 1987 at. Embry Riddle Aeronautical University. The objective of this laboratory is to further develop and promote aviation education. One project that has emerged from this laboratory is the described below Air Traffic Control Simulation System (ATCSS). The ATCSS is designed to facilitate an environ ment in which students participate and interact as both pilots and air traffic controllers. This interaction simulates the real-time teamwork between pilots and air traffic controllers.The purpose of this paper is to describe the simulation design concept, its components, and its potential for a variety of aviation uses. This description will include: the methods of interfacing, software and hardware requirements, feasibility of operating in multitasking environment, parallel processing, and ATC requirements with respect to oriented-towards-human- factors aviation training.

Fabic, Stanislav

doi: 10.1177/003754979105600608pmid: N/A

Rogers, Commissioner Kenneth C.

doi: 10.1177/003754979105600609pmid: N/A

Bradley, James H.

doi: 10.1177/003754979105600610pmid: N/A