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11.
Edward J. Erickson 《战略研究杂志》2013,36(3):158-176
The historiography of the Gallipoli campaign suggests that the Turks were critically short of ammunition for the Dardanelles coastal defences in March 1915. This theme, established by Winston Churchill, became the basis for a widespread belief that the Royal Navy, after its failure to carry the Dardanelles on 18 March 1915, simply needed one more determined naval push to breakthrough the narrows. The presumed consequence was that the Ottoman Empire, with Constantinople under the guns of the Royal Navy, would have withdrawn from the war. Using modern Turkish sources, the author examines the available quantities, placement, and expenditure of ammunition, and challenges the premise that the Turks were desperately short of heavy shells. The author concludes that the Turks had sufficient remaining ammunition to fiercely contest control of the straits. 相似文献
12.
Edward C. O’Dowd 《战略研究杂志》2013,36(6-7):1027-1049
This article explores the nature of the American war in Vietnam in an effort to determine whether it was a response to an indigenous uprising or an external effort by the Communist Party of Vietnam (CPV) to use a wide array of policies and programs to unite North Vietnam and South Vietnam under the party’s leadership. It argues that, although there initially were elements of the South Vietnamese population that rose against the southern leadership, the CPV gained control of their resistance and relegated it to a secondary role in the CPV war effort. 相似文献
13.
This article examines the Ottoman military's escalatory response to violence and frames the Armenian insurrection of 1915 in the historical context of contemporary early twentieth-century counterinsurgency campaigns. A case study is presented, from a military historian's perspective, of counterinsurgency operations conducted by the Ottoman Army's 41st Infantry Division against Armenian insurgents on Musa Da? (Musa Dagh) in an operational area south of Iskenderun (Alexandretta). In this particular operational area, it appears that the modern label which most closely approximates what happened there is ethnic cleansing. Finally, the article concludes with an objective assessment of the effectiveness of the Ottoman Army's counterinsurgency operations. 相似文献
14.
In this paper, we examine the current state of knowledge in the economics literature on the conduct of reconstruction activities in Iraq and Afghanistan. As stabilisation and reconstruction missions grow in importance for units deployed to these regions, it becomes more important to understand what activities can promote economic growth at the local level. While military operations focus on interdicting the insurgency, successful counter-insurgency campaigns have typically addressed the conditions conducive to the insurgency. Mitigating the incentives for individuals to participate in an insurgency is imperative. Well-crafted and timed reconstruction activities can, we argue, attenuate these incentives. 相似文献
15.
Edward G. Keating Irv Blickstein Michael Boito Jess Chandler Deborah Peetz 《Defence and Peace Economics》2014,25(3):271-280
Building on prior work on optimal replacement of aging aircraft, this paper presents three methodologies to evaluate prospective aviation Service Life Extension Programs (SLEPs) and applies these methodologies to US Navy F/A-18E/F data. While considerable uncertainty remains as to the values of key parameters (e.g. the cost of F/A-18E/F SLEPs), the preponderance of the evidence available at this juncture favors undertaking SLEPs on F/A-18E/Fs rather than replacing them with new Joint Strike Fighters. 相似文献
16.
Edward A. Silver 《海军后勤学研究》1972,19(2):261-280
In this paper we consider a major assembly composed of two or more subassemblies. The failure of any subassembly causes the major assembly to not function. Every failed subassembly is repaired or replaced. A total investment in stocks of spare components is to be distributed among the various subassemblies and the major assembly so as to provide the best possible customer service. This is a complicated problem: relevant factors are the failure rates, unit costs, and repair times of the various components. For the case of Poisson failures, a heuristic solution is developed which is a compromise between theoretical optimality and practical usefulness. 相似文献
17.
The paper presents the formulation and several solutions of a model for allocating a fixed number of aircraft to carriers and to missions. The amount of damage that can be inflicted is maximized. A nonseparable concave nonlinear objective function expresses diminishing marginal damage. Linear constraints on aireraft, carrier space, and aircraft availability for missions are included. The model is solved using the sequential unconstrained minimization technique (SUMT). The model is presented in terms of a scenario. Several different exponential damage functions are treated, and S-shaped damage functions are discussed. 相似文献
18.
A heuristic for 0–1 integer programming is proposed that features a specific rule for breaking ties that occur when attempting to determine a variable to set to 1 during a given iteration. It is tested on a large number of small- to moderate-sized randomly generated generalized set-packing models. Solutions are compared to those obtained using an existing well-regarded heuristic and to solutions to the linear programming relaxations. Results indicate that the proposed heuristic outperforms the existing heuristic except for models in which the number of constraints is large relative to the number of variables. In this case, it performs on par with the existing heuristic. Results also indicate that use of a specific rule for tie breaking can be very effective, especially for low-density models in which the number of variables is large relative to the number of constraints. 相似文献
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20.
Practitioners of maintenance scheduling sometimes use a simple analytic formula, derived based on inspection scheduling, as a heuristic to determine the length of the preventive maintenance period. The sensitivity of this heuristic solution is analyzed and the cost penalties are calculated compared to the exact solution that utilizes the lifetime distribution in the derivation of the optimal preventive maintenance period. A simple extension of the heuristic is suggested to improve the approximation with a slightly increased computational effort. The sensitivity and cost analysis of the improved heuristic are discussed as well. © 1994 John Wiley & Sons, Inc. 相似文献