ITEM METADATA RECORD
Title: Local search methods for the discrete time/resource trade-off problem in project networks
Authors: De Reyck, B ×
Demeulemeester, Erik
Herroelen, Willy #
Issue Date: Sep-1998
Publisher: John wiley & sons inc
Series Title: Naval research logistics vol:45 issue:6 pages:553-578
Abstract: In this paper we consider the discrete time/resource trade-off problem in project networks. Given a project network consisting of nodes (activities) and arcs (technological precedence relations), in which the duration of the activities is a discrete, nonincreasing function of the amount of a single renewable resource committed to it, the discrete time/resource trade-off problem minimizes the project makespan subject to precedence constraints and a single renewable resource constraint. For each activity, a work content is specified such that all execution modes (duration/resource requirement pairs) for performing the activity are allowed as long as the product of the duration and the resource requirement is at least as large as the specified work content. We present a tabu search procedure which is based on a decomposition of the problem into a mode assignment phase and a resource-constrained project scheduling phase with fixed mode assignments. Extensive computational experience, including a comparison with other local search methods, is reported. (C) 1998 John Wiley & Sons, Inc.
URI: 
ISSN: 0894-069X
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Research Center for Operations Management, Leuven
× corresponding author
# (joint) last author

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