Browse by Subject "hysteresis"

  • Emori, Katsuhiko; Schnobrich, William C. (University of Illinois Engineering Experiment Station. College of Engineering. University of Illinois at Urbana-Champaign., 1978-12)
    The nonlinear response and failure mechanism of reinforced concrete frame-wall systems are investigated through mechanical models for both dynamic loads and static loads. Three mechanical models: a concentrated spring ...

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  • Gilbertsen, N.D.; Moehle, J.P. (University of Illinois Engineering Experiment Station. College of Engineering. University of Illinois at Urbana-Champaign., 1980-07)
    Small-scale reinforced concrete columns were subjected to a series of shear force or simultaneous shear and axial force reversals. The specimens were similar to the first story columns of the nine-story, three-bay frames ...

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  • Moehle, J.P.; Sozen, M.A. (University of Illinois Engineering Experiment Station. College of Engineering. University of Illinois at Urbana-Champaign., 1980-08)
    An experimental study was undertaken to investigate the response to strong earthquakes of R/C structures having abrupt interruptions in adjacent story stiffness. Four structures (total weight of 2.29 meters) comprising ...

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  • Carpenter, John Halsey (2004-10)
    The behavior of non-equilibrium systems in the presence of quenched random disorder is studied. In noisy, hysteretic systems, the role of driving force history is studied in the context of the non-equilibrium, zero-temperature ...

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  • Poisson, Phillip J. (2011-05-25)
    Positive feedback is a common mechanism in genetic circuits and can be used to achieve amplification, bistability, and hysteresis. Positive feedback mechanisms have been employed in numerous synthetic biology applications, ...

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  • Sander, Jonathan J. (2009-06-01)
    The ability to predict the properties of magnetic materials in a device is essential to ensuring the correct operation and optimization of the design as well as the device behavior over a wide range of input frequencies. ...

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  • Kreger, M.E.; Abrams, Daniel P. (University of Illinois Engineering Experiment Station. College of Engineering. University of Illinois at Urbana-Champaign., 1978-08)
    Interior and exterior-joint specimens were tested under cyclic loads to obtain hysteresis relationships. The specimens were similar to interior and exterior beam-column assemblies in ten-story three-bay frames tested ...

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  • Abrams, Daniel P. (University of Illinois Engineering Experiment Station. College of Engineering. University of Illinois at Urbana-Champaign., 1976-11)
    Experimental results are presented of cyclic load tests performed on small scale beams. The specimens are replicas of coupling beams used in a ten story coupled wall model structure tested on the University of Illinois ...

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  • Mohan, Ritika (2012-02-01)
    The ease of fabrication and integration of pneumatic microvalves has enabled extensive miniaturization of microfluidic devices that are capable of performing massively parallel operations. These valves in their typical ...

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  • Chu, C-T.; Wen, Y.K.; Ang, A.H-S. (University of Illinois Engineering Experiment Station. College of Engineering. University of Illinois at Urbana-Champaign., 1985-02)
    A method is presented for evaluating the effect of soil-structure interaction on the dynamic response of nonlinear building-foundation syste~s subjected to random seismic excitations. Uncertainties in the building-foundation ...

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  • Morrison, D.G.; Sozen, M.A. (University of Illinois Engineering Experiment Station. College of Engineering. University of Illinois at Urbana-Champaign., 1981-04)
    The object of the investigation was to study the response of interior reinforced concrete plate-column connections. Eight specimens were tested, 5 "statically" and 3 "dynamically" (rate of loading significant). Other ...

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  • Saiidi, M.; Sozen, M.A. (University of Illinois Engineering Experiment Station. College of Engineering. University of Illinois at Urbana-Champaign., 1979-08)
    The object of the study was to attempt to simplify the nonlinear seismic analysis of reinforced concrete structures. The work consisted of two independent parts. One was to study the influence of calculated responses ...

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  • Pires, J.E.A.; Wen, Y.K.; Ang, A.H-S. (University of Illinois Engineering Experiment Station. College of Engineering. University of Illinois at Urbana-Champaign., 1983-04)
    Liquefaction of sand deposits during earthquakes is studied as a problem of random vibration of nonlinear-hysteretic systems. The random vibration results lead to the determination of the mean and standard deviation of ...

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  • Baber, T.T.; Wen, Y.K. (University of Illinois Engineering Experiment Station. College of Engineering. University of Illinois at Urbana-Champaign., 1980-04)
    A mathematical model for the response of multi-degree of freedom, hysteretic, and degrading systems under random base excitation is presented. A typical hysteretic element is described by a first order nonlinear differential ...

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  • Sues, R.H.; Wen, Y.K.; Ang, A.H-S. (University of Illinois Engineering Experiment Station. College of Engineering. University of Illinois at Urbana-Champaign., 1983-05)

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  • Saiidi, M. (University of Illinois Engineering Experiment Station. College of Engineering. University of Illinois at Urbana-Champaign., 1979-11)
    This manual describes the procedure to prepare data for three analytical programs (LARZ, LARZ2, and LARZAK) as well as two plotting programs (PLARZ and PLARZK). Programs LARZ and PLARZ are for the analysis of reinforced ...

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