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  1. 1. Output Only Modal Analysis-Scaled mode shape by adding small masses on the structure

    Magister-uppsats, Blekinge Tekniska Högskola/Avdelningen för maskinteknik

    Författare :wei sun; [2008]
    Nyckelord :Output Only Modal Analysis Frequency Response Function Mode shape Scaling factor Impulse Response Function;

    Sammanfattning : In this paper an outline is given of output only modal analysis, some of the known technologies are briefly introduced. Due to the unknown input force of the output only modal analysis, the mode scaling factor can not be estimated, only the un-scaled mode shape can be obtained from Frequency Response Functions. LÄS MER