显式算法中三维黏弹性人工边界应用及输水隧洞动力响应分析OACSTPCD
Application of 3D Viscoelastic Artificial Boundary and Dynamic Response Analysis of Water Conveyance Tunnel in Explicit Algorithm
为确保大型复杂三维有限元模型动力响应分析的稳定性及高效性,结合二维黏弹性边界理论及其在动力显式分析中稳定性的改善方法,提出了一种适用于 ABAQUS/EXPlicit模块的三维黏弹性人工边界方法,并依托某输水隧洞与临近高铁隧道的立交工程,在设有三维黏弹性边界的基础上研究高速列车振动荷载对既有水工隧洞的振动影响特性.结果表明,采用动力显式分析时,稳定性改善后的黏弹性人工边界具有良好的吸能效果,满足远域地基的回弹性能;振动荷载对输水隧洞的动力影响随着…查看全部>>
In order to ensure the stability and efficiency of dynamic response analysis of large and complex three-dimensional finite element models combined with two-dimensional viscoelastic boundary theory and its stability improvement method in the explicit analysis of dynamics a three-dimensional viscoelastic artificial boundary method suitable for ABAQUS/Explicit module is proposed and the vibration characteristics of high-speed train vibration load on existing hy…查看全部>>
陈旻铭;任旭华;张继勋
河海大学水利水电学院, 江苏 南京 210024河海大学水利水电学院, 江苏 南京 210024河海大学水利水电学院, 江苏 南京 210024
水利科学
输水隧洞动力响应黏弹性人工边界三维有限元显式算法
water conveyance tunneldynamic responseviscoelastic artificial boundary3D finite elementexplicit algorithm
《水力发电》 2024 (1)
20-25,70,7
中央高校基本科研业务费专项资金资助项目(B220-204001)云南省重大科技专项计划项目(202102AF080001)
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