Browse by Subject "modal analysis"

  • Tansirikongkol, V.; Pecknold, D.A. (University of Illinois Engineering Experiment Station. College of Engineering. University of Illinois at Urbana-Champaign., 1978-08)
    The study investigated two approximate methods of modal analysis for hysteretic multi-degree-of-freedom lumped mass structural models subjected to earthquakes. The methods were (1) approximate modal analysis using elastic ...

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  • Cevallos-Candau, P.J.; Hall, W.J. (University of Illinois Engineering Experiment Station. College of Engineering. University of Illinois at Urbana-Champaign., 1980-01)
    Earthquakes and wind loadings constitute dynamic effects that often must be considered in the design of buildings and structures. The primary purpose of this research study was to investigate the common features of general ...

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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., 1978-08)
    A small-scale, ten-story, reinforced concrete frame structure with relatively flexible lower stories was subjected successively to simulated earthquakes of increasing intensity on the University of Illinois Earthquake ...

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  • Lee, Shih-hao (2009-06-01)
    This dissertation comprises the following four components. (1) Development of a robust and efficient 3-D finite element electromagnetic field solver with high-order vector elements for high-frequency and high-speed circuit ...

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  • Healey, T.J.; Sozen, M.A. (University of Illinois Engineering Experiment Station. College of Engineering. University of Illinois at Urbana-Champaign., 1978-08)
    This report documents the experimental work and presents the response data obtained in three earthquake simulation tests of a ten-story reinforced concrete frame. Changes in the dynamic properties of the test structure, such ...

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  • Alcoe, D.J.; Hjelmstad, K.D. (University of Illinois Engineering Experiment Station. College of Engineering. University of Illinois at Urbana-Champaign., 1992-01)
    A general parametric form of a dynamic finite-element model of a linear elastic structure with small deformations is presented, with the model consisting of a set of scalar parameters multiplying element kernel matrices. ...

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