A SIMULATION MODEL FOR STOCK OF BUILDING MATERIALS DEVELOPED WITH CRYSTAL BALL SOFTWARE USE

Michał Krzemiński , Nabi Ibadov

Abstract

The article presents a simulation model of the inventory with two variables developed using the Crystal Ball software. This model is designed for the purpose of optimization of logistics processes related to the organization of supply and storage of construction materials used in the production process. The result of the model, we get information about what provision should be basic to the whole process took place without interference. Not always, however, it is possible to create initial stock of this size. Using the program Crystal Ball we can also obtain information, what is the probability to avoid downtime for different levels of initial reserves. The model is based on the classical model developed by Jaworski Professor of the Warsaw University of Technology. In the model two variables will be considered. The first variable is the amount of depreciation; in the classical model it is described discreetly. Based on historical data, determines the probability with which will be observed the consumption plan and the probability of default and excess of norm of consumption of this material. The second variable take into account the amount of planned delivery. In the same way as in the case of the size of the depreciation in the classical model this variable was described discreetly. As before, the author recommends a definition based on historical data probability of compliance with the required value of delivery probability and delivery more or less than planned. In the presented model we also consider the possibility of describing random variables using other than the discrete graphics and the empirical probabilities. This procedure allows for the approximation of modeling methods for people who do not have the appropriate set of historical data and would like to use it to minimize the risk of organizational problems. The article shows what results are achieved through the use of the software Crystal Ball, and how they can be used in the organization of the construction investment process
Author Michał Krzemiński (FCE / ICE)
Michał Krzemiński,,
- The Institute of Civil Engineering
, Nabi Ibadov (FCE / ICE)
Nabi Ibadov,,
- The Institute of Civil Engineering
Journal seriesIOP Conference Series: Materials Science and Engineering, ISSN 1757-8981, e-ISSN 1757-899X, (0 pkt)
Issue year2018
Pages1-8
Publication size in sheets0.5
ConferenceWorld Multidisciplinary Civil Engineering-Architecture-Urban Planning Symposium (WMCAUS), 18-06-2018 - 22-06-2018, Prague, Czechy
Keywords in Englishprogram Crystal Ball
Languageen angielski
Score (nominal)5
ScoreMinisterial score = 0.0, 04-07-2018, ArticleFromJournal
Ministerial score (2013-2016) = 5.0, 04-07-2018, ArticleFromJournal - czasopismo zagraniczne spoza list
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