原文传递
Enriched Force-Based Frame Element with Evolutionary Plastic Hinge
| 题名： | Enriched Force-Based Frame Element with Evolutionary Plastic Hinge |
| 其他题名： | ABAQUS[Computer software].Dassault Systèmes,Waltham,MA. |
| 正文语种： | 英文 |
| 作者： | De-Cheng Feng |
| 关键词： | Force-based element;Hardening;Softening;Plastic hinge;Enriched formulation;Analysis and computation |
| 摘要： | This paper presents a novel enriched force-based formulation for beam-column elements. The enrichment was developed on the basis of the concept of evolutionary plastic hinges and incorporated with conventional force-based element formulation. The evolutionary plastic hinge was activated on the basis of the crushing of concrete and/or yielding of reinforcement, whereas its length was calculated adaptively according to real-time sectional forces. Several representative numerical examples are demonstrated, verifying that the proposed model can achieve accurate and objective responses regardless of the number of integration points. The spreading of plasticity in strain-hardening problems and the localization of deformation in strain-softening problems can be captured well by the proposed element. |
| 出版年： | 2017 |
| 论文唯一标识： | P-26Y2017V143N10017 |
| 英文栏目名称： | TECHNICAL NOTES |
| doi： | 10.1061/(ASCE)ST.1943-541X.0001871 |
| 期刊名称： | Journal of Structural Engineering |
| 拼音刊名(出版物代码)： | P-26 |
| 卷： | 143 |
| 期： | 10 |
| 页码： | 199-205 |
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