页面正在加载中
请稍候...
免费版本2018-01-05
ETABS TO PERFORM-3D
Author: dinochen1983
Time: 2023-12-31
[小记]ETE2018是由陈学伟(DINO)与李明(LI MING)开发的集成程序,它可以完成结构概念设计
优化设计、模型转换、快速建模,快速验算与结构总信息统计的小程序,在设计的基础上开发,不是纯学术研究
满足工程人员对设计的极致要求。由于程序太巨大量,学习操作的教程会慢慢在DINOCHEN.COM上发布
有兴趣的工程师可以下载试用,我们定期会在微信公众号平台公布程序的最新进展
我们的微信公众号是 DINOSTRU , 或扫码关注, 微信的更新是永远最快的。
ETE2018
Author: dinochen1983
Time: 2023-12-27
ETABS to ABAQUS 内置于 ETE2018
ETABS to ABAQUS
Author: dinochen1983
Time: 2023-12-09

MESAP阶段成果:应用于剪力墙的分析

MESAP阶段成果:应用于剪力墙的分析

MESAP是我今年重点研究的项目,带有图形化界面,可持续开发的基于宏观单元理论的结构及构件非线性分析程序,带类似SAP2000的界面,类似ANSYS的命令流操作,类似OpenSEES的从纤维应力应变关系至单元至结构的,多层类集的面向对象分析程序构架。持续开发中,最后更新是 2010年5月4日。
MESAP is the main and important research project this year. It 's a macro element theroy based structure and component nonlinear analysis tool with simple graphic interface. Interface like SAP2000, input file format like ANSYS, the program Structure such as from fiber to section to element to structure, like OpenSEES. I will try my best to develop this program. Latest version is May 4th 2010.

最近少上博客的原因主要是因为要写博士论文及做相关的研究。研究我的课题“剪力墙的变形性能”的同时,逐步完善MESAP的分析功能,单元模型,材料本构及后处理功能,MESAP是一个面向对象的程序,只要架构做得好,增加与删除东西都很方便,之所以用DELPHI,是因为在界面与后处理的更新也很方便。最近也确立了MESAP的图标,如图所示。

The main reason why I renew my blog is the Doctoral Dissertation. In order to finish the research of Shear wall deformation capacity, I am increasing the function of MESAP. Not only the element and material model, but also the Post Plot System. MESAP has got the program structure similar to OpenSEES, it's very easy to add the new uniaxial material and macro element. Why I use Delphi as prgram language, becasue it's very easy to write the Prep and Post system for my analysis program. By the way, the icon of MESAP was made.


MESAP增加了Wallance论文中的剪力墙单元MVLEM,增加了Fischinger的本构,OpenSEES的Concrete01,Steel01,Concrete02,Steel02都增加进去了。相对于OpenSEES而言,大大降低了增加新型本构的难度。界面图如下,图为剪力墙构件的分析,材料Concrete01的材料定义。
The new uniaxial material developed into MESAP is Axial Spring Model from M.Fischinger. New element is MVLEM. Theory from PEER Report of John Wallance. and OpenSEES Base material for fiber model such as concrete01, steel01, Concrete02, Steel02 were added to MESAP material database too. Adding material is much more easier than adding into OpenSEES, I think. The interface is shown:



MESAP除了普通的构件内力,结点位移等数据的显示,最近还增加了一些很特别的后处理。比如说整个加载过程,截面上应力应变的分布变化,可以看出受压区的变化。如下图所示。
Let talk about the new function of the Post System. In common program, node displacement and element/frame force and moment, these output data is also provided in MESAP. further more, MESAP can show the distribution of the strain and stress along the section in animation. (You will see the animation in the flash file in the bottom.)



还有应力应变时程曲线输出,应变沿构件高度的分布(用来看塑性区的开展的),还有可以看实际轴压比的变化,可以看出轴向承载力的损伤,这对研究倒塌非常有意义。
and the time history curve of the fiber/spring stress and strain. and ... the change of axial force ratio because of the collapse of the concrete fibers.  that's very important to the collapse research.



增加了这几项后处理功能,可以查看更多关于构件非线性力学性能的信息,有利于基于性能的研究。以下是做出来的一个剪力墙的滞回曲线的全过程的录像,由于时间关系,我缩小了一些荷载步长。大家通过这个录像就明白它的建模分析过程,录像3分钟,等待一下。呵呵。滞回分析所得结果与试验结果的对比如图所示。研究的主要成果是博士论文关于剪力墙单元开发的章节及参数分析章节,期刊论文已被《工程力学》杂志录用,等待发表。关于剪力墙单元的开发的论文,在去年的全国博士生学术会议获得优秀论文奖。
After adding those new Post and Plot functions, I can check more information of the nonlinear behavior of the component. it's very good for the performance based research. Here is the Example of MESAP. the Shear wall cyclic loading test simulation. Here is the whole progress of the modelling and analysis. You can see the Push force and top displacement relationship. analysis result compare to test result. Is it good?? The detail of the program and shear wall nonlinear behavior will be written in my Doctoral Dissertation, the journal paper about the program is accpeted by the "Engineering Mechanics", and the conference paper introduce the shearwall element and MESAP is publish in "2009 Conference of Doctor Candidate in Civil Engineering", and won "exellent paper" prize.


MESAP建模分析录像:







 



[本日志由 dinochen1983 于 2010-05-05 00:33 AM 编辑]
文章来自: 本站原创
引用通告: 查看所有引用 | 我要引用此文章
Tags:
评论: 1 | 引用: 0 | 查看次数: 6768
  • 1
ben [2010-05-07 09:35 PM]
陈博客已经把sap用到极至了,呵呵
  • 1
发表评论
昵 称:
密 码: 游客发言不需要密码.
验证码: =2+4
内 容:
选 项:
虽然发表评论不用注册,但是为了保护您的发言权,建议您注册帐号.
字数限制 2000 字 | UBB代码 开启 | [img]标签 开启