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76744502

捐助贵宾 (初入文坛)

[求助] 求助 关于螺栓蠕变不收敛的问题

这几天在做螺栓预紧后常温蠕变问题。但是出现了蠕变不收敛的情况,我是根据百度文库上的贴
http://wenku.baidu.com/link?url=uqh8HK2sFyq047_vzZf6O6538yVuaaPIhks7C72Y2VpB-x_EoWtp1gDH_e0kJrTimDk2pkNTsGC9a8CBNsz7zp3YVen3I1UVC9ol-XLiK_7
结合自己所迭代出的A,m,n计算的。结果出现了以下两个warning我不太了解是什么意思,希望大家能给我讲下,谢谢啦!
1、The total time is specified in the timehardening creep law. If the analysis includes steps in which creep is notactive, it is recommended that small step times compared to the creep time beused in these steps. This is necessary to avoid changes in hardening behaviorin subsequent steps.
2、The nlgeom flag was not active in theprevious general (non-perturbation) step. The activation of nlgeom in thecurrent step may cause convergence problems if the displacements at the end ofthe previous general step are not small. Discontinuities in displacementresponse histories should also be expected.
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天蓝如海186

铁虫 (小有名气)

请问你们对螺栓进行蠕变分析主要想得到什么结果呀?!
2楼2014-11-27 15:27:50
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天蓝如海186

铁虫 (小有名气)

请问,您上面的问题解决了吗?
3楼2014-12-18 15:35:12
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