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  • Behavioral Sciences  (5)
  • Complexity  (3)
  • General Chemistry  (2)
  • Aircraft Design, Testing and Performance  (1)
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  • 1
    Unknown
    Non-Equilibrium Social Science and Policy : Introduction and Essays on New and Changing Paradigms in Socio-Economic Thinking (2017)
    Cham : Springer
    Details
    Keywords: Physics ; Complexity, Computational ; Economic theory ; Social sciences ; Physics ; Data-driven Science, Modeling and Theory Building ; Methodology of the Social Sciences ; Economic Theory/Quantitative Economics/Mathematical Methods ; Operations Research/Decision Theory ; Complexity ; Computational Social Sciences
    Description / Table of Contents: Non-Equilibrium Social Science & Policy --- Economics --- Social Psychology and Narrative Economy --- Sociology and Non-Equilibrium Social Science --- Geography far from Equilibrium --- Cities in Disequilibrium --- The Evolutionary Theory of Globalization --- Systems, Networks, and Policy --- Towards a Complexity-Friendly Policy: breaking the vicious circle of equilibrium thinking in economic and public policy --- The Information Economy --- Complexity Science & the Art of Policy Making --- The Complexity of Government --- The Room Around the Elephant: Tackling Context-Dependency in the Social Sciences --- Global Systems Science and Policy --- Index.
    Pages: Online-Ressource (VIII, 232 pages)
    ISBN: 9783319424248
    URL: https://link.springer.com/openurl?genre=book&isbn=978-3-319-42424-8
    Language: English
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    E-BOOK
  • 2
    Unknown
    Non-Equilibrium Social Science and Policy : Introduction and Essays on New and Changing Paradigms in Socio-Economic Thinking (2017)
    Cham : Springer
    Details
    Keywords: Physics ; Complexity, Computational ; Economic theory ; Social sciences ; Physics ; Data-driven Science, Modeling and Theory Building ; Methodology of the Social Sciences ; Economic Theory/Quantitative Economics/Mathematical Methods ; Operations Research/Decision Theory ; Complexity ; Computational Social Sciences
    Description / Table of Contents: Non-Equilibrium Social Science & Policy --- Economics --- Social Psychology and Narrative Economy --- Sociology and Non-Equilibrium Social Science --- Geography far from Equilibrium --- Cities in Disequilibrium --- The Evolutionary Theory of Globalization --- Systems, Networks, and Policy --- Towards a Complexity-Friendly Policy: breaking the vicious circle of equilibrium thinking in economic and public policy --- The Information Economy --- Complexity Science & the Art of Policy Making --- The Complexity of Government --- The Room Around the Elephant: Tackling Context-Dependency in the Social Sciences --- Global Systems Science and Policy --- Index.
    Pages: Online-Ressource (VIII, 232 pages)
    ISBN: 9783319424248
    URL: https://link.springer.com/openurl?genre=book&isbn=978-3-319-42424-8
    Language: English
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    E-BOOK
  • 3
    Electronic Resource
    Electronic Resource
    Robot football, artificial life, and complexity (1999)
    Springer
    Artificial life and robotics 3 (1999), S. 230-235 
    Details
    ISSN: 1614-7456
    Keywords: Complexity ; Robotics ; Robot football ; Simulation ; Can you trust it
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Notes: Abstract Autonomous football-playing robots provide a stimulating research challenge in the sciences of complexity and artificial life. Currently, the game is dominated by problems of making the robots move sufficiently accurately. Even so, the dynamics of robot football are clearly chaotic, requiring some higher level control strategy. A mathematics of therelations between the robots, the ball, and the pitch is introduced. This mathematics supports a theory of structural time necessary for higher level dynamics and cognitive functions. In comparison with computer chess, robot football is more complex and may supplant it as a bench-mark test. Many systems considered to be complex have behaviour which emerges from interacting autonomous agents.Simulation is a new paradigm on which a science of such systems is being built. However, simulation currently suffers from the “can you trust it” syndrome: for many systems it is impractical to do experiments to test the simulation. However, robot football is a system which can be both simulated and built. It is suggested that this makes it an important scientific laboratory subject for understanding the relationship between simulation and real complex system behaviour.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02481186
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    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    Neue Anwendung von N-Acylimiden als chirale Auxiliare für Aldol- und Diels-Alder-Reaktionen - enantioselektive Synthese von α-HimachalenDiese Arbeit wurde von der National Science Foundation und von den National Institutes of Health gefördert. (1997)
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 109 (1997), S. 2208-2210 
    Details
    ISSN: 0044-8249
    Keywords: Aldolreaktionen ; Chirale Auxiliare ; Decarboxylierungen ; Diels-Alder-Reaktionen ; Himachalen ; Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/ange.19971091925
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    A New Strategy for Extending N-Acyl Imides as Chiral Auxiliaries for Aldol and Diels-Alder Reactions: Application to an Enantioselective Synthesis of α-HimachaleneFinancial support was provided by the U. S. National Science Foundation and the National Institutes of Health. (1997)
    Weinheim : Wiley-Blackwell
    Angewandte Chemie International Edition in English 36 (1997), S. 2119-2121 
    Details
    ISSN: 0570-0833
    Keywords: aldol reactions ; chiral auxiliaries ; decarboxylations ; Diels-Alder reactions ; himachalene ; Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/anie.199721191
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    Paper (German National Licenses)
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  • 6
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    Full-Span Tiltrotor Aeroacoustic Model (TRAM) Overview and 40- by 80-Foot Wind Tunnel Test (2001)
    In:  Other Sources
    Details
    Publication Date: 2019-07-18
    Description: Most helicopter data trends cannot be extrapolated to tiltrotors because blade geometry and aerodynamic behavior, as well as rotor and fuselage interactions, are significantly different for tiltrotors. A tiltrotor model has been developed to investigate the aeromechanics of tiltrotors, to develop a comprehensive database for validating tiltrotor analyses, and to provide a research platform for supporting future tiltrotor designs. The Full-Span Tiltrotor Aeroacoustic Model (FS TRAM) is a dual-rotor, powered aircraft model with extensive instrumentation for measurement of structural and aerodynamic loads. This paper will present the Full-Span TRAM test capabilities and the first set of data obtained during a 40- by 80-Foot Wind Tunnel test conducted in late 2000 at NASA Ames Research Center. The Full-Span TRAM is a quarter-scale representation of the V-22 Osprey aircraft, and a heavily instrumented NASA and U.S. Army wind tunnel test stand. Rotor structural loads are monitored and recorded for safety-of-flight and for information on blade loads and dynamics. Left and right rotor balance and fuselage balance loads are monitored for safety-of-flight and for measurement of vehicle and rotor aerodynamic performance. Static pressure taps on the left wing are used to determine rotor/wing interactional effects and rotor blade dynamic pressures measure blade airloads. All of these measurement capabilities make the FS TRAM test stand a unique and valuable asset for validation of computational codes and to aid in future tiltrotor designs. The Full-Span TRAM was tested in the NASA Ames Research Center 40- by 80-Foot Wind Tunnel from October through December 2000. Rotor and vehicle performance measurements were acquired in addition to wing pressures, rotor acoustics, and Laser Light Sheet (LLS) flow visualization data. Hover, forward flight, and airframe (rotors off) aerodynamic runs were performed. Helicopter-mode data were acquired during angle of attack and thrust sweeps for a variety of tunnel speeds. Wake geometry images were acquired using LLS photographs and suggest dual tip vortex formation at low thrust conditions. The full paper will include comparisons to isolated-rotor TRAM data acquired at the Duits-Nederlandse Windtunnel (DNW) in 1998. The FS TRAM has been established as a valuable national asset for tiltrotor research. Data reduction and analysis of the 40- by 80-Foot Wind Tunnel test results are underway. Follow-on testing of the FS TRAM is currently being planned for the NASA Ames 80- by 120-Foot Wind Tunnel in late 2001.
    Keywords: Aircraft Design, Testing and Performance
    Type: American Helicopter Society Aerodynamics, Acoustics and Test and Evaluation Technical Specialists'' Meeting; Jan 23, 2002 - Jan 25, 2002; San Francisco, CA; United States
    Format: text
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    NASA TECHNICAL REPORTS
  • 7
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    Social roles and the evolution of networks in extreme and isolated environments (2003)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: This article reports on the evolution of network structure as it relates to formal and informal social roles in well-bounded, isolated groups. Research was conducted at the Amundsen-Scott South Pole Station. Data were collected on crewmembers' networks of social interaction over each of three winter-over periods, when the station is completely isolated. In addition, data were collected on the informal roles played by crewmembers (e.g., instrumental leadership, expressive leadership). The study found that globally coherent networks in winter-over groups were associated with group consensus on the presence of critically important informal social roles (e.g., expressive leadership) where global coherence is the extent to which a network forms a single group composed of a unitary core and periphery as opposed to being factionalized into two or more subgroups. Conversely, the evolution of multiple subgroups was associated with the absence of consensus on critical informal social roles, above all the critically important role of instrumental leader.
    Keywords: Behavioral Sciences
    Type: The Journal of mathematical sociology (ISSN 0022-250X); 27; 3-Feb; 89-121
    Format: text
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    NASA TECHNICAL REPORTS
  • 8
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    Antarctic Space Analog Program (1998)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: The primary aim of this project was to examine group dynamics and individual performance in extreme, isolated environments and identify human factors requirements for long-duration space missions using data collected in an analog environment. Specifically, we wished to determine: 1) the characteristics of social relations in small groups of individuals living and working together in extreme, isolated environments, and 2) the environmental, social and psychological determinants of performance effectiveness in such groups. These two issues were examined in six interrelated studies using data collected in small, isolated research stations in Antarctica from 1963 to the present. Results from these six studies indicated that behavior and performance on long-duration space flights is likely to be seasonal or cyclical, situational, social, and salutogenic in nature. The project responded to two NASA program emphases for FY 1997 as described in the NRA: 1) the primary emphasis of the Behavior and Performance Program on determining long-term individual and group performance responses to space, identifying critical factors affecting those responses and understanding underlying mechanisms involved in behavior and performance, and developing and using ground-based models and analogs for studying space-related behavior and performance; and 2) the emphasis of the Data Analysis Program on extended data analysis. Results from the study were used to develop recommendations for the design and development of pre-flight crew training and in-flight psychological countermeasures for long-duration manned space missions.
    Keywords: Behavioral Sciences
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    NASA TECHNICAL REPORTS
  • 9
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    Predictors of Behavior and Performance in Extreme Environments: The Antarctic Space Analogue Program (2000)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: To determine which, if any, characteristics should be incorporated into a select-in approach to screening personnel for long-duration spaceflight, we examined the influence of crewmember social/ demographic characteristics, personality traits, interpersonal needs, and characteristics of station physical environments on performance measures in 657 American men who spent an austral winter in Antarctica between 1963 and 1974. During screening, subjects completed a Personal History Questionnaire which obtained information on social and demographic characteristics, the Deep Freeze Opinion Survey which assessed 5 different personality traits, and the Fundamental Interpersonal Relations Orientation-Behavior (FIRO-B) Scale which measured 6 dimensions of interpersonal needs. Station environment included measures of crew size and severity of physical environment. Performance was assessed on the basis of combined peer-supervisor evaluations of overall performance, peer nominations of fellow crewmembers who made ideal winter-over candidates, and self-reported depressive symptoms. Social/demographic characteristics, personality traits, interpersonal needs, and characteristics of station environments collectively accounted for 9-17% of the variance in performance measures. The following characteristics were significant independent predictors of more than one performance measure: military service, low levels of neuroticism, extraversion and conscientiousness, and a low desire for affection from others. These results represent an important first step in the development of select-in criteria for personnel on long-duration missions in space and other extreme environments. These criteria must take into consideration the characteristics of the environment and the limitations they place on meeting needs for interpersonal relations and task performance, as well as the characteristics of the individuals and groups who live and work in these environments.
    Keywords: Behavioral Sciences
    Type: Aviation, Space, and Environmental Medicine; 71; 6; 619-625
    Format: text
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    NASA TECHNICAL REPORTS
  • 10
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    Behavior and Performance on Long-Duration Spaceflights: Evidence from Analogue Environments (1999)
    In:  CASI
    Details
    Publication Date: 2019-07-10
    Description: Analyses of data collected in Antarctica since 1963 were conducted to identify features of behavior and performance likely to occur during long-duration missions in space.The influence of mission duration and station latitude on POMS mood scores was examined in 450 American men and women who overwintered in Antarctica between 1991 and 1998. The influence of crewmember social characteristics, personality traits, interpersonal needs, and station environments on measures of behavior and performance at the end of the austral winter was examined in 657 American men who overwintered between 1963 and 1974. Both data sets were used to examine the influence of crew social structure on individual performance. Results: Seasonal variations in mood appear to be associated with the altered diurnal cycle and psychological segmentation of the mission. Concurrent measures of personality, interpersonal needs, and coping styles are better predictors of depressed mood and peer-supervisor performance evaluations than baseline measures because of the unique features of the station social and physical environments and the absence of resources typically used to cope with stress elsewhere. Individuals in crews with a clique structure report significantly more depression, anxiety, anger, fatigue and confusion than individuals in crews with a core-periphery structure. Depressed mood is inversely associated with severity of station physical environment, supporting the existence of a positive or "salutogenic" effect for individuals seeking challenging experiences in extreme environments.
    Keywords: Behavioral Sciences
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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