کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
307978 513509 2016 14 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Identification of mass–spring–damper model of walking humans
ترجمه فارسی عنوان
شناسایی مدل دمپایی مردانه از راه رفتن انسان
کلمات کلیدی
تعامل عمودی انسان و ساختار، ترافیک چند عابر پیاده، قابلیت ارتعاش، پل ها، طبقه، تغییر پارامترهای بدن
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی عمران و سازه
چکیده انگلیسی

Interaction of walking people with vibrating structures is known to be an important yet challenging phenomenon to simulate. Despite of its considerable effects on the structural response, no properly formulated and experimentally verified model currently exists to simulate this interaction in the vertical direction.This work uses a single-degree-of-freedom mass–spring–damper model of a walking human to simulate its interaction with a vibrating structure. Extensive frequency response function measurements were performed on a test structure that was occupied by more than a hundred test subjects walking in various group sizes and at different times in 23 tests. The identified modal properties of the occupied structure were used in three different identification procedures to estimate the parameters of the walking human model.A discrete model of human–structure system was used to simulate interaction of each walking person with the structure. The analysis identified the range of 2.75–3.00 Hz for the natural frequency and 27.5%–30% for the damping ratio of the model of a walking human, having constant mass of 70 kg. The extent of the experimental data and the measurement details, diversity of loading scenarios and consistency of the results of the different identification procedures, provided high level of confidence on the suggested parameters for the single-degree-of-freedom walking human model.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Structures - Volume 5, February 2016, Pages 233–246
نویسندگان
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