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Comparative analysis of seismic reference wave field selection methods based on viscoelastic artificial boundary
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Zhenxia SONG, Yongpan JIANG, Haiping DING
Earthquake Engineering and Engineering Dynamics | 2024, 44(2) : 183 - 193
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Earthquake Engineering and Engineering Dynamics | 2024, 44(2): 183-193
Comparative analysis of seismic reference wave field selection methods based on viscoelastic artificial boundary
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Zhenxia SONG, Yongpan JIANG, Haiping DING
Affiliations
  • Key Laboratory of Structural Engineering of Jiangsu Province, Suzhou University of Science and Technology, Suzhou 215011, China
doi: 10.13197/j.eeed.2024.0219
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Artificial boundaries are introduced to simulate the infinite domain in the analysis of soil-structure dynamic interaction, and the viscoelastic artificial boundary is one of the commonly used artificial boundaries. When the artificial boundary is used, the selection of the reference wave field as the input of seismic wave is very important, different reference wave field selection methods will lead to great differences in calculation accuracy. In this paper, four kinds of two-dimensional site models, including homogeneous half space, layered site, depressed terrain and underground structure are assumed. Then ANSYS finite element software and viscoelastic artificial boundary are used to simulate the above four site models considering SV wave vertical incidence and 30° oblique incidence. The calculation accuracy of three different reference wave fields is compared in detail. The results show that when the free wave field is selected as the reference wave field for all artificial boundaries of the soil-structure dynamic interaction calculation model, the accuracy of the calculation results is the highest.

soil-structure dynamic interaction  /  viscoelastic artificial boundary  /  reference wave field  /  two dimensional field  /  ANSYS
Zhenxia SONG, Yongpan JIANG, Haiping DING. Comparative analysis of seismic reference wave field selection methods based on viscoelastic artificial boundary[J]. Earthquake Engineering and Engineering Dynamics, 2024 , 44 (2) : 183 -193 . DOI: 10.13197/j.eeed.2024.0219
Year 2024 volume 44 Issue 2
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doi: 10.13197/j.eeed.2024.0219
  • Receive Date:2022-12-13
  • Online Date:2026-03-30
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  • Received:2022-12-13
  • Revised:2023-05-17
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    Key Laboratory of Structural Engineering of Jiangsu Province, Suzhou University of Science and Technology, Suzhou 215011, China
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表12种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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