SIMULATION: Transactions of The Society for Modeling and Simulation International

Fairchild, Bruce

doi: 10.1177/003754978905200602pmid: N/A

Belpedio, Ron

doi: 10.1177/003754978905200601pmid: N/A

McCall, Edward H.

doi: 10.1177/003754978905200603pmid: N/A

Nagel, Stuart S.

doi: 10.1177/003754978905200604pmid: N/A

Wildberger, A. Martin

doi: 10.1177/003754978905200605pmid: N/A

Kern, Gary M.

doi: 10.1177/003754978905200606pmid: N/A

Simulation models have been suggested as a means of assist ing patrol administrators making deployment decisions. The simulation model reported here allows the administrator to study the performance of several complex dispatching tactics including multiple unit dis patching, preemption, and in tersector dispatching.Environmental variables, such as interarrival and service times, can be set to reflect any number of possible probability distributions. Sample reports generated by the model are presented, as is information regarding the model's verification.

Shaikh, Muzaffar A.; Althouse, Edwin L.

doi: 10.1177/003754978905200607pmid: N/A

In this paper, we propose efficient statistical designs of simulation experiments and statistical methods for systematically comparing communica tion network routing algorithms via simulation. The design of experiments technique establishes the minimum number of observations or simulation runs without losing much information needed to gain insight into the real world system. Statistical models use this efficient set of observations in providing (1) insight into the intrinsic behavior of the algorithm (i.e., sensitivity of the algorithm to changes in factors), (2) a statistical basis for com paring alternate algorithms that perform common functions, and (3) predictor equations that can be used to predict algorithm performance for the user- specified values of influencing factors. The empha sis in the paper is on the use of statistical testing and comparison methods in a simulation setting and not on the nature of algorithms themselves. These methods should pave the way for perform ance analysis of other algorithms as well.The testing environment includes a parameter- driven simulator which has the capability to modularly include alternate routing algorithms one at a time. The model generates a threat scenario which transforms into the generation of appropriate messages. The impact analysis of five influencing factors on three measures of perform ance is proposed.

Eich, Margaret H.; Fan, Chin-Feng; Sun, Wei-Li; Rafiqi, Sohail

doi: 10.1177/003754978905200608pmid: N/A

This paper presents a methodol ogy for performing database system simulations which is based on the Wisconsin Bench- marks. Use of this approach provides very realistic represen tations for transactions, hard ware, and software aspects of a target database environment. The flexibility built into the approach also facilitates exami nation of many different database environments with few changes to the basic model. The method described equips researchers with the first standard simulation approach which can be used on any database system. We describe the approach, its implementation using SLAM II, and then provide an overview of its use.

McLeod, John; McLeod, Suzette

doi: 10.1177/003754978905200609pmid: N/A