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Earthquake

  • Fund Raising for the Earthquake affecties

    Fund Raising for the Earthquake affecties

    標(biāo)簽: Earthquake affecties Raising Fund

    上傳時(shí)間: 2014-01-03

    上傳用戶:xwd2010

  • Earthquake magnitudo registered in San Francisco, during last 2 years plus white noise data

    Earthquake magnitudo registered in San Francisco, during last 2 years plus white noise data

    標(biāo)簽: Earthquake registered magnitudo Francisco

    上傳時(shí)間: 2014-01-26

    上傳用戶:lhc9102

  • 這是一個(gè)模擬第3類模式地震波的matlab腳本。 This a collection of Matlab scripts that solve the antiplane (mode III)

    這是一個(gè)模擬第3類模式地震波的matlab腳本。 This a collection of Matlab scripts that solve the antiplane (mode III) Earthquake dynamic problem with slip-weakening friction, on a 1D fault embedded in a 2D homogeneous elastic unbounded medium. The problem is formulated as a boundary integral equation and the elastodynamic kernels are analytically derived in the spectral domain (spatial wavenumber). The method is explained e.g. by Morrysey and Geubelle (1997), and has been improved and extensively used by Nadia Lapusta, Alain Cochard, etc.

    標(biāo)簽: collection antiplane scripts matlab

    上傳時(shí)間: 2013-12-26

    上傳用戶:遠(yuǎn)遠(yuǎn)ssad

  • 1 Seismic response control using electromagnetic

    This paper presents a new type of electromagnetic damper with rotating inertial mass that has been devel oped to control the vibrations of structures subjected to Earthquakes. The electromagnetic inertial mass damper (EIMD) consists of a ball screw that converts axial oscillation of the rod end into rotational motion of the internal flflywheel and an electric generator that is turned by the rotation of the inner rod. The EIMD is able to generate a large inertial force created by the rotating flflywheel and a variable damping force devel oped by the electric generator. Device performance tests of reduced-scale and full-scale EIMDs were under taken to verify the basic characteristics of the damper and the validity of the derived theoretical formulae. Shaking table tests of a three-story structure with EIMDs and Earthquake response analyses of a building with EIMDs were conducted to demonstrate the seismic response control performance of the EIMD. The EIMD is able to reduce story drifts as well as accelerations and surpasses conventional types of dampers in reducing acceleration responses.

    標(biāo)簽: electromagnetic response Seismic control using

    上傳時(shí)間: 2021-11-04

    上傳用戶:a1293065

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