Temat: impact model - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: The Single Degree of Freedom Simulation Model of Underwater Explosion Impact
Autorzy:: Grządziela, Andrzej
Załęska-Fornal, Agata
Kluczyk, Marcin
Powiązania:: https://bibliotekanauki.pl/articles/176933.pdf
Data publikacji:: 2020
Wydawca:: Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:: UNDEX
simulation
impact model
bubble
Opis:: The hulls of naval ships are exposed to forces and moments coming from internal and external sources. Usually, these are interactions that can be described mathematically by harmonic and polyharmonic functions. The shock of UNDEX type (underwater explosion) works completely differently and its time waveform is difficult to describe with mathematical functions as pressure vs. time. The paper presents a simplification of physical and mathematical models of 1-D kickoff pressure whose aim is performance the simulation of the external force of the detonation wave. The proposed models were verified and tuned on naval, sea trials. The main goals of the proposed models are to perform simulation calculations of the detonation pressure for different explosion charge weights from different distances of the UNDEX epicentre for the design process of machine foundation. The effects of pressure are transformed as impulses exposed on shock absorber mounted at light shock machine.
Źródło:: Archives of Acoustics; 2020, 45, 2; 341-348
0137-5075
Pojawia się w:: Archives of Acoustics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Integrated Impact Model on Interconnected Critical Infrastructure Network Cascading Related to Its Operation Process
Autorzy:: Blokus-Roszkowska, A.
Kołowrocki, K.
Powiązania:: https://bibliotekanauki.pl/articles/2068793.pdf
Data publikacji:: 2017
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: impact model
operation process
cascading
critical infrastructure
Opis:: In this paper we consider dependent Critical Infrastructures (CI) at variable operation conditions and present multistate approach to their safety analysis. The safety of dependent Critical Infrastructures at variable operation conditions is described. The local, equal and mixed load sharing models of dependency subjected to the operation process are introduced. The conditional safety functions at the particular operation states and the unconditional safety functions of a multistate series network with dependent assets, with dependent subnetworks and with dependent assets of its subnetworks according to LLS, ELS and MLS rules are determined. Furthermore, the all models of dependency are applied to safety analysis of a multistate parallel and “m out of n” network with dependent assets, parallel-series and “m out of l”-series network with dependent assets of their subnetworks at variable operation conditions.
Źródło:: Journal of Polish Safety and Reliability Association; 2017, 8, 4; 113--124
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: The model of vertical acceleration impact on backbone of member of the crew
Autorzy:: Michalczyk, M.
Szcześniak, K.
Powiązania:: https://bibliotekanauki.pl/articles/244530.pdf
Data publikacji:: 2011
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: blast tests
vertical acceleration impact model
anthropomorphic test dummy
Opis:: This paper presents procedure methodology allowing to evaluate the impact of vertical acceleration (mine detonation under the vehicle) for damages of backbone of the crew member This problem is presented globally with stress on model being the estimator of the backbone damages. Then this study includes standard requirements in this field and discusses the necessary instrumentation and then method for development of model input data is indicated. the vertical impact model is presented on example. The mechanisms allowing to evaluate the level of potential injuries are presented in the final part in this paper. The range of problems concerning metrology of physical values associating explosion and evaluation of its impact on the human body is very wide. Problems discussed in this paper do not exhaust this field. The research are under way on several topics for their more full recognition. Development of this field will be correctly used, having in mind the aspect and usefulness of such research. The main criterion for evaluation of explosion impact on people protected by armour of the vehicle is the measurement of physical and mechanical values occurring during explosion. The high accelerations and pressures constitute serious danger for health and life of people. Tests are necessary to determine effectiveness of the crew's protection both in vehicles and in other objects.
Źródło:: Journal of KONES; 2011, 18, 1; 351-358
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Integrated Impact Model on Critical Infrastructure Safety Related to Its Operation Process and Climate-Weather Change Process
Autorzy:: Kołowrocki, K.
Soszyńska-Budny, J.
Torbicki, M.
Powiązania:: https://bibliotekanauki.pl/articles/2068789.pdf
Data publikacji:: 2017
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: impact model
climate-weather process
operation process
safety
model
critical infrastructure
Opis:: The main aim of the paper is to define the operation and climate change influence on the safety of a critical infrastructure considered as a complex system in its operating environment. As the result, a general safety analytical model of a complex technical system under the influence of the operation process related to climateweather change process is proposed. Further, the conditional safety functions at the operation process related to climate-weather change process, the unconditional safety function and the risk function of the complex system at changing in time operation and climate-weather conditions are defined. Moreover, the mean lifetime up to the exceeding a critical safety state, the moment when the risk function value exceeds the acceptable safety level, the intensities of ageing of the critical infrastructure and its components and the coefficients of the operation and climate-weather impact on the critical infrastructure and its components intensities of ageing are proposed as the other significant safety indices for any critical infrastructure.
Źródło:: Journal of Polish Safety and Reliability Association; 2017, 8, 4; 33--48
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Integrated Impact Model on Baltic Port and Shipping Critical Infrastructure Network Safety Related to Its Operation Process…
Autorzy:: Guze, S.
Kołowrocki, K.
Powiązania:: https://bibliotekanauki.pl/articles/2068799.pdf
Data publikacji:: 2017
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: port
shipping
critical infrastructure
safety
operation process
impact model
network
Opis:: The main aim of the paper is the adaptation of the known methods for safety modelling related to the operation process for Baltic Port and Shipping Critical Infrastructure Network. To realize this goal, the description of the four critical infrastructure networks, i.e. Baltic Port, Shipping, Ship traffic and port operation, and finally Baltic Port and Shipping are provided. The basic notations for operation process and multi-state CIN safety analysis for them are introduced. Furthermore, the Baltic Port and Shipping Critical Infrastructure Network safety function and its risk function are proposed. The practically significant critical infrastructure network safety indices like mean lifetime up to the exceeding a critical safety state, the moment when the risk function value exceeds the acceptable safety level, the component and critical infrastructure network intensities of ageing/degradation and the coefficients of operation impact on component and critical infrastructure network intensities of ageing are presented for four CIs considered in the paper.
Źródło:: Journal of Polish Safety and Reliability Association; 2017, 8, 4; 77--102
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: GMU Safety Interactive Platform Organization and Possibility of its Applications
Autorzy:: Kuligowska, E.
Torbicki, M.
Powiązania:: https://bibliotekanauki.pl/articles/2068776.pdf
Data publikacji:: 2018
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: data processing
database
critical infrastructure
impact model
prediction
risk
safety
software
Opis:: The organization and a possibility of the Gdynia Maritime University (GMU) Safety Interactive Platform applications are described. The GMU Platform structure and main functions of its particular parts are presented. Moreover, the future plans about the usage and extension of the GMU Platform are shown.
Źródło:: Journal of Polish Safety and Reliability Association; 2018, 9, 2; 99--114
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 7.

Tytuł:: Conditions for unmanned aircraft reliability determination
Przesłanki determinujące niezawodność samolotów bezpilotowych
Autorzy:: Krawczyk, M.
Powiązania:: https://bibliotekanauki.pl/articles/1366251.pdf
Data publikacji:: 2013
Wydawca:: Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
Tematy:: samolot bezpilotowy
model zderzenia z ziemią
model kolizji powietrznej
analiza zagrożenia
unmanned aerial vehicle
ground impact model
mid-air collisions model
hazard analysis
Opis:: In the paper the required level of reliability is determined for several Unmanned Aerial Vehicles developed in Poland in order to get an achievement enabling these vehicles to operate within the Single European Sky. Calculations were made on the basis of an air crash model as well as the model capable to estimate the number of casualties resulting from an aircraft catastrophe. The provided examples allow us to specify Tactical and Technical Conditions pertaining in particular to the area of the operation of the aforementioned aircraft.
W pracy wyznaczono niezbędną niezawodności kilku opracowanych w Polsce samolotów bezpilotowych, której osiągnięcie umożliwia ich eksploatacje w połączonej przestrzeni powietrznej. Obliczenia prowadzone były wg modelu katastrofy powietrznej oraz modelu pozwalającego na oszacowanie liczby ofiar na skutek rozbicia się samolotu. Podane przykłady pozwalają na sprecyzowanie Warunków Taktyczno - Technicznych, w szczególności dotyczących obszaru eksploatacji tychże samolotów.
Źródło:: Eksploatacja i Niezawodność; 2013, 15, 1; 31-36
1507-2711
Pojawia się w:: Eksploatacja i Niezawodność
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 8.

Tytuł:: Symulacyjne modele formowania opinii w sieciach społecznych
Simulation of opinion model in social network
Autorzy:: Dzida, D.
Powiązania:: https://bibliotekanauki.pl/articles/404113.pdf
Data publikacji:: 2011
Wydawca:: Polskie Towarzystwo Symulacji Komputerowej
Tematy:: model dynamiczny
model wpływów społecznych
sieć społeczna
symulacja
mikrosymulacja
dynamic model
model of social impact
social network
simulation
microsimulation
Opis:: W pracy przedstawiono dynamiczny model wpływów społecznych oraz wyniki symulacji z zastosowaniem sieci społecznych. Omówiono sposób modelowania zjawisk społecznych oraz zastosowanie mikrosymulacji do badania modelu. Dla rozważanego modelu opisano istotne cechy agentów oraz regułę zmiany stanu agenta. Przedstawiono wybrane wyniki badań nad modelem oraz ich interpretacje.
In this paper dynamic model of social impact is presented. The modeling of social phenomena and the use of micro simulation are discussed. The agent based modeling is applied to construct model and perform simulation. The agent's features and rule of changed her state are described. The results of simulation of model using social network are shown and interpreted.
Źródło:: Symulacja w Badaniach i Rozwoju; 2011, 2, 3; 137-147
2081-6154
Pojawia się w:: Symulacja w Badaniach i Rozwoju
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 9.

Tytuł:: Integrated Impact Model on Critical Infrastructure Safety Related to Its Operation Process Including Operating Environment Threats
Autorzy:: Kołowrocki, K.
Kuligowska, E.
Soszyńska-Budny, J.
Powiązania:: https://bibliotekanauki.pl/articles/2068794.pdf
Data publikacji:: 2017
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: environment threats
safety
impact
model
operation process
Opis:: The main aim of this paper is to present the general safety analytical models of complex multistate technical systems related to their operation processes including operating environment threats. In the case of critical infrastructure, the determination of its safety function and its risk function, which graph corresponds to the fragility curve are defined. Moreover, its mean lifetime up to the exceeding a critical safety state and the moment when its risk function value exceeds the acceptable safety level and the critical infrastructure and its components intensities of degradation and the coefficients of operation process including operating environment threats influence on the critical infrastructure and its components intensities of degradation are introduced as the other significant safety indicators. The proposed models are given for multistate series, parallel, “m out of n”, consecutive “m out of n: F”, series-parallel, parallel-series, series-“m out of k”, “mi out of li”-series, seriesconsecutive “m out of k: F” and consecutive “mi out of li”: F”-series systems.
Źródło:: Journal of Polish Safety and Reliability Association; 2017, 8, 4; 11--20
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 10.

Tytuł:: Integrated Impact Model on Critical Infrastructure Safety Related to Its Operation Process
Autorzy:: Kołowrocki, K.
Soszyńska-Budny, J.
Powiązania:: https://bibliotekanauki.pl/articles/2068800.pdf
Data publikacji:: 2017
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: critical infrastructure
impact
model
safety
operation process
Opis:: The main objective of this paper is to present recently developed, the general safety analytical models of complex multistate technical systems related to their operation processes and to apply them practically to critical infrastructures. To realize this goal, the integrated model of critical infrastructure safety related to its operation process is proposed. The basic safety characteristics of this model are presented as the very practically significant. Furthermore, the unconditional safety functions of systems with different safety structures are determined under assumption that their safety functions are exponential. In case of the critical infrastructure safety analysis, its safety function and risk function which graph corresponds to the fragility curve, its mean lifetime up to the exceeding a critical safety state, the moment when its risk function value exceeds the acceptable safety level, the component and critical infrastructure intensities of ageing/degradation and the coefficients of operation impact on component and critical infrastructure intensities of ageing are defined.
Źródło:: Journal of Polish Safety and Reliability Association; 2017, 8, 4; 1--10
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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