Balanced Loading

Amiouny, Samir V.; Bartholdi, John J.; Vate, John H. Vande; Zhang, Jixian

doi:10.1287/opre.40.2.238

Cited by 52 publications

(47 citation statements)

References 7 publications

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“…Several authors propose achieving an even weight distribution by ensuring that the center of gravity (CG) of the load be close to the midpoint of the container (e.g. Amiouny et al 1992;Gehring and Bortfeldt 1997;Davies and Bischoff 1999;Bortfeldt and Wäscher 2013;Paquay et al 2013). Limbourg et al (2012) propose an approach for loading ULDs (unit loading devices) into an aircraft.…”

Section: Weight Distribution Constraintsmentioning

confidence: 99%

Vehicle routing problems with loading constraints: state-of-the-art and future directions

et al. 2014

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Distributors are faced with loading constraints in their route planning, e.g.,multi-dimensional packing constraints, unloading sequence constraints, stability constraints and axle weight limits. Ignoring these constraints impairs planning and induces last-minute changes resulting in additional costs. Developing vehicle routing models incorporating loading constraints is critical to more efficient route planning. The last couple of years has seen a huge increase of contributions to this field of research with almost 60 % of these being published after 2009. Our contribution is twofold. First, we overview the recent developments in the literature on all vehicle types in which loading constraints play a key role (trucks, airplanes, ships, and automated guided vehicles), using a state-of-the-art classification scheme to identify the loading constraints considered in each article. Second, we identify research gaps and opportunities for future research.

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Section: Weight Distribution Constraintsmentioning

confidence: 99%

Vehicle routing problems with loading constraints: state-of-the-art and future directions

et al. 2014

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“…It apparently dates back to the 1960s, when the loading problem was formulated. 21 Within our context, a current example of methods to obtain a prescribed cg location has been given by Amiouny, et al 22 A related example involving the loading of cargo on a large military transport has been discussed by MartinVega. 23 …”

Section: Center Of Gravity Locationmentioning

confidence: 99%

Landing gear integration in aircraft conceptual design

Chai

Mason²

1996

6th Symposium on Multidisciplinary Analysis and Optimization

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* †Landing gear integration is one of the more fundamental aspects of aircraft design. The design and integration process encompasses numerous engineering disciplines, e.g., structures, weights, runway design, and economics. Although the design process is well-documented, it appears not to have been automated for uses in multidisciplinary design optimization (MDO) procedures. The process remains a key responsibility of the configuration designer. This paper describes the development of an MDO-capable design methodology focused on providing the conceptual designer with tools to help automate the disciplinary analyses, e.g., geometry, kinematics, flotation, and weight. The procedures are described and illustrated by application to a notional large subsonic transport aircraft, illustrating the methods and design issues.

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“…Elsewhere we have suggested the name "combinatorial mechanics" for this apparently new class of problems [1].…”

Section: Discussionmentioning

confidence: 99%

Minimizing Deflection and Bending Moment in a Beam with End Supports*

Amiouny

Bartholdi

Vate

1993

Mechanics of Structures and Machines

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We give heuristics to sequence blocks on a beam, like books on a bookshelf, to minimize simultaneously the maximum deflection and the maximum bending moment of the beam. For a beam with simple supports at the ends, one heuristic places the blocks so that the maximum deflection is no more than 16/9 √ 3 ≈ 1.027 times the theoretical minimum and the maximum bending moment is within 4 times the minimum. Another heuristic allows maximum deflection up to 2.054 times the theoretical minimum but restricts the maximum bending moment to within 2 times the minimum. Similar results hold for beams with fixed supports at the ends.

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Balanced Loading

Cited by 52 publications

References 7 publications

Vehicle routing problems with loading constraints: state-of-the-art and future directions

Vehicle routing problems with loading constraints: state-of-the-art and future directions

Landing gear integration in aircraft conceptual design

Minimizing Deflection and Bending Moment in a Beam with End Supports*

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