Re: [Yade-users] [Question #695734]: no softening behavior of cpm in tension test

2021-03-06 Thread Jan Stránský
Question #695734 on Yade changed: https://answers.launchpad.net/yade/+question/695734 Jan Stránský posted a new comment: omegaThreshold is currently a Law2 attribute, i.e. one global value.. -- You received this question notification because your team yade-users is an answer contact for Yade. _

Re: [Yade-users] [Question #695734]: no softening behavior of cpm in tension test

2021-03-06 Thread Zhoufeng Shi
Question #695734 on Yade changed: https://answers.launchpad.net/yade/+question/695734 Zhoufeng Shi posted a new comment: hi,Jan Thanks for your suggestions. The model in PFC is parallel bond model and I think the difference is that in parallel bond model its moment is contributing to the bond b

Re: [Yade-users] [Question #695734]: no softening behavior of cpm in tension test

2021-03-06 Thread Jan Stránský
Question #695734 on Yade changed: https://answers.launchpad.net/yade/+question/695734 Status: Open => Answered Jan Stránský proposed the following answer: > crack (bond broken) only happened > crack should start earlier > the crack number is 0 > ... depends very much on the definition of "cr

Re: [Yade-users] [Question #695734]: no softening behavior of cpm in tension test

2021-03-06 Thread Zhoufeng Shi
Question #695734 on Yade changed: https://answers.launchpad.net/yade/+question/695734 Zhoufeng Shi gave more information on the question: thanks for the response. but it seems that crack (bond broken) only happened after peak stress which is abnormal because both in experiment and PFC simulation,

Re: [Yade-users] [Question #695734]: no softening behavior of cpm in tension test

2021-03-05 Thread Jan Stránský
Question #695734 on Yade changed: https://answers.launchpad.net/yade/+question/695734 Jan Stránský posted a new comment: > it seems that 0.9 is too high a value for omegaThreshold sorry, haven't noticed this. For sure, 0.9 is too little (not too high) value. Use 1.0 (default) for these kind of te

Re: [Yade-users] [Question #695734]: no softening behavior of cpm in tension test

2021-03-04 Thread Zhoufeng Shi
Question #695734 on Yade changed: https://answers.launchpad.net/yade/+question/695734 Zhoufeng Shi gave more information on the question: Hi, Jane problem is solved. it seems that 0.9 is too high a value for omegaThreshold especially when the relductivity is large (eg.over 10). so when the value

Re: [Yade-users] [Question #695734]: no softening behavior of cpm in tension test

2021-03-01 Thread Zhoufeng Shi
Question #695734 on Yade changed: https://answers.launchpad.net/yade/+question/695734 Zhoufeng Shi posted a new comment: Hi, Jan Thanks for the suggestions. I've been try to use the same way to establish other models such as 3-point bending, compression scenario and they all look good to the rea

Re: [Yade-users] [Question #695734]: no softening behavior of cpm in tension test

2021-03-01 Thread Jan Stránský
Question #695734 on Yade changed: https://answers.launchpad.net/yade/+question/695734 Jan Stránský posted a new comment: > the relDuctivity seems only affect the hardening process. in the model design, relDuctility should affect the softening behavior :-) If it only affects the hardening, then th

Re: [Yade-users] [Question #695734]: no softening behavior of cpm in tension test

2021-02-27 Thread Zhoufeng Shi
Question #695734 on Yade changed: https://answers.launchpad.net/yade/+question/695734 Status: Needs information => Open Zhoufeng Shi gave more information on the question: Hi Jan, Yes, you are right, the interaction factor didn't make much difference on the overall behavior of the model. Pre

Re: [Yade-users] [Question #695734]: no softening behavior of cpm in tension test

2021-02-27 Thread Jan Stránský
Question #695734 on Yade changed: https://answers.launchpad.net/yade/+question/695734 Status: Open => Needs information Jan Stránský requested more information: > the behavior after peak stress is still showing brittle as long as I keep the interaction enlarge factor as 1.5. interaction enla

Re: [Yade-users] [Question #695734]: no softening behavior of cpm in tension test

2021-02-26 Thread Zhoufeng Shi
Question #695734 on Yade changed: https://answers.launchpad.net/yade/+question/695734 Zhoufeng Shi gave more information on the question: hi, Jan sorry for type your name wrong last post:( I tried changing sigmaT value and it indeed affect the hardening a lot. However, the behavior after peak str

Re: [Yade-users] [Question #695734]: no softening behavior of cpm in tension test

2021-02-25 Thread Zhoufeng Shi
Question #695734 on Yade changed: https://answers.launchpad.net/yade/+question/695734 Status: Answered => Open Zhoufeng Shi is still having a problem: Hi, Jane Thanks for your prompt response! >please provide the specific values Actually I've been stuck in this for nearly a month. I've tri

Re: [Yade-users] [Question #695734]: no softening behavior of cpm in tension test

2021-02-25 Thread Jan Stránský
Question #695734 on Yade changed: https://answers.launchpad.net/yade/+question/695734 Status: Open => Answered Jan Stránský proposed the following answer: Hello, > no matter how I adjust the parameters (eg, epsCrackOnset, relductility) please provide the specific values > The model seems s

[Yade-users] [Question #695734]: no softening behavior of cpm in tension test

2021-02-25 Thread Zhoufeng Shi
New question #695734 on Yade: https://answers.launchpad.net/yade/+question/695734 hello everyone, I am trying to calibrate the concrete by using cpm. But I find that no matter how I adjust the parameters (eg, epsCrackOnset, relductility), the uniaxial tension test in model always have a linear e