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In Silico Evaluation of an Elastomeric Membrane for Prolapse Repairs. [PDF]

Urogynecology (Phila)
Lewis S, Knight K, Schneider T, Ferguson Z, Panozzo D, Zorin D, Moalli P, Abramowitch S.   +7 more
europepmc   +1 more source

Parametric analysis of setup costs in the economic lot-sizing problem without speculative motives.

Wagelmans, A.P.M., Hoesel, C.P.M. van
core  

On the discrete lot-sizing and scheduling problem with Wagner-Whitin costs.

Eijl, C.A. van, Hoesel, C.P.M. van
core  

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The Capacitated Lot-Sizing Problem with Linked Lot Sizes

Management Science, 2003
In this paper a new mixed integer programming (MIP) model formulation and its incorporation into a time-oriented decomposition heuristic for the capacitated lot-sizing problem with linked lot sizes (CLSPL) is proposed. The solution approach is based on an extended model formulation and valid inequalities to yield a tight formulation.
Hartmut Stadtler
exaly   +2 more sources

Lot sizing with carbon emission constraints

European Journal of Operational Research, 2013
Abstract This paper introduces new environmental constraints, namely carbon emission constraints, in multi-sourcing lot-sizing problems. These constraints aim at limiting the carbon emission per unit of product supplied with different modes. A mode corresponds to the combination of a production facility and a transportation mode and is characterized ...
Nabil Absi, Stéphane Dauzère–Pérès, Safia Kedad-Sidhoum   +2 more
exaly   +5 more sources

Lot sizing in the forging industry considering lot size dependent tool wear

Production Engineering, 2017
Lot sizing is an important task of production planning and control: basis of lot sizes are order change costs and costs for storage. Models for lot sizing do not consider lot size dependent maintenance costs. However, for a forging company the tool wear is very important, because the tooling costs represent a major part in the production cost.
Henrik Prinzhorn, Johannes Richter, Jan Langner, Malte Stonis, Peter Nyhuis   +4 more
openaire   +1 more source

Algorithms and reformulations for lot sizing problems [PDF]

, 1995
In this paper we give a "personal" survey of the research on the polyhedral approach to lot-sizing problems developed over the last ten years. Most results concern the formulation and reformulations of single-item problems which can be used to tighten the formulation of practical multi-item and multi-stage problems.
POCHET, Yves, WOLSEY , Laurence
openaire   +1 more source

Green Lot-Sizing [PDF]

, 2013
The lot-sizing problem concerns a manufacturer that needs to solve a production planning problem. The producer must decide at which points in time to set up a production process, and when he/she does, how much to produce. There is a trade-off between inventory costs and costs associated with setting up the production process at some point in time ...
Retel Helmrich, M. (Mathijn Jan), Retel Helmrich, MJ (Mathijn Retel)   +1 more
core   +3 more sources

Lot Sizing with Randomly Graded Yields

Operations Research, 1997
We consider a single inventory item that is graded into one of two quality levels after production. The proportion of grade one units produced in a lot is a random variable assumed to follow the lognormal distribution. Demands for grade 2 may be filled with grade 1 product, but not vice versa.
Steven Nahmias, Kamran Moinzadeh
openaire   +1 more source