期刊论文

Finite Element Calculation of Timber-Concrete Composite Beams

中文

湖南城市学院学报(自然科学版)

1672-7304

2019

28

1

6-11

10.3969/j.issn.1672-7304.2019.01.0002

51478485:国家自然科学基金 2014-4-51:引进国际先进林业科学技术项目项目)

本校为第一机构

为研究木-混凝土组合梁的受力性能,针对现有组合梁有限元分析计算效率低、收敛性差和精确度低等问题,提出一种木-混凝土组合梁用户单元.通过直接刚度法,得到木-混凝土组合梁的单元刚度矩阵,结合ABAQUS二次开发平台用户子程序接口,编制了木-混凝土组合梁用户子程序,建立用户单元.通过算例验证表明:该用户单元能够正确地反映木-混凝土组合梁的挠度和滑移,提高了木-混凝土组合梁有限元分析方法的效率和精确度.

In order to study the mechanical properties of the timber-concrete composite structure,a user element of timber-concrete composite structure is proposed to solve the problems of low efficiency,the poor convergence and low accuracy in the finite element analysis of existing composite structures.In this paper the stiffness matrix of timber-concrete composite structure is obtained by the direct stiffness method,and the user subroutine of wood concrete composite structure is established by using the user subroutine interface of the development platform of ABAQUS,the user element is established.The...