Question #707780 on Yade changed:
https://answers.launchpad.net/yade/+question/707780
Yade Guide posted a new comment:
Hey mahdi2023, check out some related threads. This is an automated
reply.
Title: "Triaxial strength and strain about JCFpmMat parameters"
Question by ziyuwang1 on 21 Feb 2022:
Ziyuwang1 is using JCFpmMat to simulate rock materials and struggles with
understanding which parameters affect peak strength. They've tried various
combinations and are seeking suggestions for adjusting parameters. Luc provided
a citation from reference [1] explaining the calibration procedure of the JCFPM
model, suggesting to match the desired tensile strength to compressive strength
ratio sigmac/sigmat, determine elastic parameters Eeq and kn/ks, local tensile
strength t, and interparticle friction angle. The user also suggested looking
at table 3 for sets of values for granite or sandstone. Coordination number is
readily obtained in YADE with avgNumInteractions(). Ziyuwang1 found the
solution provided by Jérôme Duriez helpful.
https://answers.launchpad.net/yade/+question/700691
Title: "JCFmat model parameters issue"
Question by mahdi2023 on 28 Aug 2023:
Mahdi2023 is experiencing an issue with JCFmat model parameters for simulating
the UCS of rock specimens when assigning a value to tensileStrength, causing
the UCS response to be controlled by tensileStrength instead of cohesion (70
MPa). Robert suggests that when tensile strength is assigned a value, it plays
a role in the simulation and when set to 0, it does not. He requests further
details about the Yade and Linux versions being used.
https://answers.launchpad.net/yade/+question/707758
Title: "strain - stress curve of three point bending test"
Question by tinaatyade on 06 Jun 2017:
Tina is seeking help with calculating the strain-stress curve for a
three-point bending test using Yade. Jan suggests considering a
force-displacement diagram and asks if Tina needs theoretical guidance or
implementation help in Yade. Tina requests an algorithm to calculate the
stress-strain relationship in YADE. Jan explains that in uniaxial tests, strain
is the ratio of enlargement to original length and stress is the force divided
by area. He also mentions that there are more general formulas for calculating
stress, but in the case of three-point bending, force-displacement would be
enough. Jan provides links to relevant Yade documentation.
https://answers.launchpad.net/yade/+question/641619
Title: "Computing lateral strains in uniaxial tension tests"
Question by luc on 29 Aug 2017:
Luc is seeking an efficient way to compute lateral strains in uniaxial tension
tests using the uniaxialStrainer. Currently, there's no available function for
this purpose. Jan suggests a method that involves calculating the distance of
suitable particles from the central axis or surface and averaging their strain
values.
https://answers.launchpad.net/yade/+question/657114
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