Davidenkov模型在FLAC^(3D)中的开发及验证

Implementation and Verification of Davidenkov Model in FLAC^(3D)

基于FLAC3D提供的二次开发平台,实现了Davidenkov模型的二次开发。给出了在FLAC3D中开发本构模型的基本步骤和编程要点,可为其他用户进行本构模型的修改提供借鉴与参考。将模型土加速度放大系数及动剪切模量与动剪应变关系曲线的计算结果与上海典型软土地铁车站结构振动台模型试验实测结果进行对比,检验了模型的正确性。同时模型的成功开发可为软土地区建筑结构的抗震设计提供一种适用的本构模型。

The Davidenkov modal was devdoped based on the further development platform provided by the software, The correction was verified through comparisoning the calculation results of the amplificatory factor and the curve between dynamic shear modulus and dynamic strain of modd soil to the test data of typical subway station structures shaking table model test in Shanghai. The basic procedures and programming essentials are presented in the paper, which provides reference to other devel- opers. And at the same time, the implementation of Davidenkov model in FLAC3D can provide an optional constitutive model for seismic design of structures in soft soil area.