Branch‐and‐cut Algorithms For The Vehicle Routing Problem With Trailers And Transshipments

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Branch-and-Price for Vehicle Routing Problems with Multiple

More than one (type of) vehicle may or must be used to ful l tasks Possibility or requirement of transshipments Collection and/or transshipment quantities not xed Common scarce resources Important problem classes: Simultaneous vehicle and crew routing and scheduling Pickup-and-delivery with transshipments Single- and multi-echelon location

The Line-haul Feeder Vehicle Routing Problem: Mathematical

A small vehicle has only limited capacity and therefore it is necessary to reload more often. Thus, new research elds regarding the VRP arise and one of them is the Line-haul Feeder Vehicle Routing Problem (LFVRP). The LFVRP has been originated from Taiwan and was rst introduced in [6]. The problem occurred at the delivery of lunch boxes.

CIRRELT-2021-18

Several exact algorithms have also been proposed for the PDPTW including the branch-and-cut [Ropke et al., 2007], branch-cut-and-price of [Ropke and Cordeau, 2009, Cherkesly et al., 2014, Veenstra et al., 2017], and a set partitioning-based algorithm [Baldacci et al., 2011]. The DVRP is a routing problem with many real-life applications in

On Some Generalized Routing Problems

TTRP truck-and-trailer routing problem UB upper bound UCPP undirected Chinese postman problem URPP undirected rural postman problem VRP vehicle routing problem VRPTT vehicle routing problem with trailers and transshipments VRPTW vehicle routing problem with time windows WCPP windy Chinese postman problem WGRP windy general routing problem

A Time-Indexed Generalized Vehicle Routing Model and

discuss some applications for the GVRP, whereas formulations and branch-and-cut algorithms are given in the recent paper of Bektas¸ et al. [5]. H`a et al. [18] solve the GVRP with the number of vehicles as a decision variable, both heuristically and exact using a branch-and-cut approach. For the same problem, Afsar et al. [2]

Branch-and-Price for the Truck and Trailer Routing Problem

In Drexl [14] a modeling framework is introduced for the vehicle routing problem with trailers and transshipments (VRPTT). No xed assignment of trailers to trucks is considered and load transfers between vehicles are allowed. The author explains how, for example, the 2E-VRP can be modeled as a VRPTT. Drexl [15] proposes branch-and-cut

Branch-and-Price for the Active-Passive Vehicle-Routing Problem

Drexl (2007, 2014) studies the VRP with trailers and transshipments (VRPTT), a problem which also requires the synchronization of operations and movements of active and passive vehi-cles. Two branch-and-cut algorithms are presented, but only very small instances can be solved. For

Branch-and-Cut Algorithms for the Vehicle Routing Problem

The vehicle routing problem with trailers and transshipments (VRPTT) was introduced by Drexl [11] in the context of raw milk collection at farmyards. It is a generalization of the classical vehicle routing problem (VRP, Dantzig and Ramser [9], Toth and Vigo [23], Golden et al. [14]).