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Combat survivability of helicopter/Analiza żywotności bojowej śmigłowca

References [1] Ball R. E.: The Fundamentals of Aircraft Combat Survivability Analysis and Design . American I nstitute o f Aeronautics and Astronautics, Inc. Virginia, 2003. [2] Śmigłowiec Mi-17. Instrukcja eksploatacji i obsługi technicznej. Ogólne widomości o śmigłowcu . Poznań, 1991. [3] Bedford T., Cooke R.: Probabilistic Risc Analysis: Foundations and Methods. Cambridge University Press, 2001. [4] Butowski P., Lotnictwo Wojskowe Rosji Tom II , Wydawnictwo Lampart & Piotr Butowski

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Transient effects of tendon disconnection on the survivability of a TLP in moderate-strength hurricane condition

Abstract

The primary objective of this paper is to investigate the dynamic stability and survivability of a four-column classic TLP(tension-leg platform) under less-than-extreme storm conditions where one or more tendons have been lost due to damage or disconnect. The transient responses of the platform and tendon tensions at the moment of disconnection are in time domain. Compared to the common industry practice of checking the system without a failed tendon on the beginning, the maximum tension on the neighboring tendon can be significantly increased at the moment of disconnection due to the snap-like transient effects, which can lead to unexpected failure of the total system. It is also found that the transient effects can be reduced with the presence of TTRs (top-tensioned risers) with pneumatic tensioners. It is also seen that TLP cannot survive in the 100-yr hurricane condition after losing one tendon

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Study of damage safety assessment for a ship carrying radioactive waste

: Proceedings of 2nd International Conference on Collision and Grounding of Ships. pp.93-100. Lee, D., Lee, S-S. and Park, B-J., 2004. 3-D Geometric modeler for rapid ship safety assessment. Ocean Engineering, 31(10), pp.1219-1230. Lee, D., Lee, S-S., Park, B-J. and Kim, S-S., 2005. A study on the framework for survivability assessment system of damaged ships. Ocean Engineering, 32(8-9), pp.1122-1132. Lee, D., Hong, S-Y. and Lee, G-J., 2007. Theoretical and experimental study on dynamic behavior of a damaged ship in waves. Ocean

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The Influence of Biomechanical Property of Pilot (Crew) on Probability of Air-Crash

References Augustyn S.: Decision process support for Leeds of aircraft fleet user. International Symposium Prof. Konatojskiego. Politechnika Warszawska, Płock, 2006. Augustyn S.: Decision Model for needs increase of Comat helicopter survivability. Praca naukowo-badawcza. Wyd. AON Warszawa, 2009. Babniewa M. L.: Technicieskja psichołogija. Nauka. Moskwa, 1966. Borkowska A, Augustyn S, Falkowska N, Szczupacki Ł, Jaracz M: Temperament afektywny, funkcje

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The Power of Micro Urban Structures, Theory of EEPGC - the Micro Urban Energy Distribution Model as a Planning Tool for Sustainable City Development

Abstract

To achieve the smart growth and equitable development in the region, urban planners should consider also lateral energies represented by the energy urban models like further proposed EEPGC focused on energy distribution via connections among micro-urban structures, their onsite renewable resources and the perception of micro-urban structures as decentralized energy carriers based on pre industrialized era. These structures are still variously bound when part of greater patterns. After the industrial revolution the main traded goods became energy in its various forms. The EEPGC is focused on sustainable energy transportation distances between the villages and the city, described by the virtual “energy circles”. This more human scale urbanization, boost the economy in micro-urban areas, rising along with clean energy available in situ that surely gives a different perspective to human quality of life in contrast to overcrowded multicultural mega-urban structures facing generations of problems and struggling to survive as a whole.

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Managing Information Flow in Self-Organising Networks of Communication Between Construction Project Participants

integrating multiple theoretical perspectives and influencing factors.” Project Management Journal 42.3 (2011): 4-22. [5] Moreno, Jacob Levy. “Who shall survive?: A new approach to the problem of human interrelations.” (1934). [6] Loosemore, Martin. “Construction crises as periods of social adjustment.” Journal of management in engineering 13.4 (1997): 30-37. [7] Loosemore, Martin. “Social network analysis: using a quantitative tool within an interpretative context to explore the management of construction crises.” Engineering, construction and

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The Influence of Attack Helicopter Modernization on Pilot Decision Process

The Influence of Attack Helicopter Modernization on Pilot Decision Process

The proper maintenance of attack helicopters is the basis of the Army Aviation operational effectiveness.

In order to improve the effectiveness of the air support to the Army, this modernization of attack helicopters should be done. It is essential for increasing performance indicators of the Army Aviation. The project of modernization should consider improvement of attack helicopter survivability by increasing resistance to destruction. This aspect has a crucial impact on a pilot decision process during a flight. That is why the modernization should be considered in technical, economic and flying aspects.

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Development of data analysis tool for combat system integration

ABSTRACT

System integration is an important element for the construction of naval combat ships. In particular, because impeccable combat system integration together with the sensors and weapons can ensure the combat capability and survivability of the ship, the integrated performance of the combat system should be verified and validated whether or not it fulfills the requirements of the end user. In order to conduct systematic verification and validation, a data analysis tool is requisite. This paper suggests the Data Extraction, Recording and Analysis Tool (DERAT) for the data analysis of the integrated performance of the combat system, including the functional definition, architecture and effectiveness of the DERAT by presenting the test results.

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Performance-Based Analysis of Older-Type Large-Space Hall in Fire

Abstract

The paper presents the example of performance-based analysis for the existing large-space steel structure raised in 1980s. Hall is used as a paper products warehouse. Advanced mechanical simulations are performed using Safir software. Factors that impact the final fire resistance of the structure are discussed. Local and global imperfections and possible ways of structure modelling are taken into account. For selected cases advanced fire scenario that considers both localised fire and possibility of further ignition of stored goods is prepared using Fire Dynamics Simulation software. The results obtained indicate that added imperfections have little impact on the fire resistance of the structure and older-type steel hall roof without any fire protection could survive 30 minutes of fire. Main failure modes and values of structure’s deflections are also presented. Finally, performed simulations show that even for large-space structure the flashover is possible in some special cases.

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Evolutionary Stable Strategies In Networked Games: The Influence Of Topology

Abstract

Evolutionary game theory is used to model the evolution of competing strategies in a population of players. Evolutionary stability of a strategy is a dynamic equilibrium, in which any competing mutated strategy would be wiped out from a population. If a strategy is weak evolutionarily stable, the competing strategy may manage to survive within the network. Understanding the network-related factors that affect the evolutionary stability of a strategy would be critical in making accurate predictions about the behaviour of a strategy in a real-world strategic decision making environment. In this work, we evaluate the effect of network topology on the evolutionary stability of a strategy. We focus on two well-known strategies known as the Zero-determinant strategy and the Pavlov strategy. Zero-determinant strategies have been shown to be evolutionarily unstable in a well-mixed population of players. We identify that the Zero-determinant strategy may survive, and may even dominate in a population of players connected through a non-homogeneous network. We introduce the concept of ‘topological stability’ to denote this phenomenon. We argue that not only the network topology, but also the evolutionary process applied and the initial distribution of strategies are critical in determining the evolutionary stability of strategies. Further, we observe that topological stability could affect other well-known strategies as well, such as the general cooperator strategy and the cooperator strategy. Our observations suggest that the variation of evolutionary stability due to topological stability of strategies may be more prevalent in the social context of strategic evolution, in comparison to the biological context.

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