hey, Can you please make a video on how to model orthotropic/anisotropic plasticity (not elasticity) in Abaqus...that is how can we give different yield stress for a different direction ?...thank you...
Thanks for the dissemination. There is something I would like to ask. Why did you use homogenous solid section definition instead of composite solid section definition? Thanks in advance.
great learning from this video. I have a question here: Does changing material orientation to 45 or 90 implies fiber orientation also changes to 45 or 90 degrees?
Hi Mr Imam, from the model developed by Mr Luke we cannot see that, if you're interested in model damage initiation and propagation Abaqus CAE have the Hashin criteria installed by default only for 2D elements (conventional and continuum shell elements mostly used). Otherwise you can check the failure damage indexes from Tsai Wu and Tsai Hill criteria only by requesting their outputs however this only will indicate a damage location and not the type of damage itself. If you want to develop a more accurate modelling using 3D elements you have to develop your own material model following the Abaqus subroutine option VUMAT and asigning a initiation and propagation damage. I hope this can help you out. DB
@@turanturan2831 I think you did not get the point. For this very simple case, you can use both methods. But for a complex composite structure, you need to map your mesh to different ply zones and continuum shell section is the correct method.
Nothing should always be used. There is always a tradeoff between accuracy and costs. I watched your video. You used continuum shell in the wrong way. I don't think you really understand the mechanics.
Depending on the stress state of interest solid or shell can be used. It is the user's responsibility to refer the user manual and define which element type is more suitable for the considered physical problem.
hey, Can you please make a video on how to model orthotropic/anisotropic plasticity (not elasticity) in Abaqus...that is how can we give different yield stress for a different direction ?...thank you...
well done, really helped me with my dissertation. Thanks Luke li
Luke for president!
Great video. Very helpful!
Awesome video
Thanks for the dissemination. There is something I would like to ask. Why did you use homogenous solid section definition instead of composite solid section definition? Thanks in advance.
Many thanks for your video
Does it behave exactly like the composite mateiral? We assign material orientation like composite material right?
Sir, should we give the laminate properties or lamina properties?
very helpful thanks
keep making new videos, youre good bro
thx for great video
can we use this technique to perform coating layer for metal
Thanks man, very helpful!
Why we choose Homogeneous rather than Composite？
Hello. Do we need to define section if we want to use composite layup module?
Great tutorial! However, I have a question. Why didnt you define contact between the layers?
I considered an intact laminated structure. No delamination, no contact.
@@lukeli3760 Dose it mean that I dont have to define contact between the partitions (because they are still a whole part) ?
@@rtq1876 In this case, solid layers are connected through sharing nodes at the interfaces
@@lukeli3760 Thanks man !
Thanks
thermal load?
great learning from this video. I have a question here: Does changing material orientation to 45 or 90 implies fiber orientation also changes to 45 or 90 degrees?
By changing the orientation of the materiel you are changing the fiber orientation
What if I want to create a bidirectional ply? (0,90°)
try Texgen
does anyone know how to model Mr dampers in abaqus?
Why you did not use order " create composite lay up"
In that case, you will have 2D models which usually are not able to give you 3D accuracy
sir, i wanna ask you, how to check cracking in model?
Hi Mr Imam, from the model developed by Mr Luke we cannot see that, if you're interested in model damage initiation and propagation Abaqus CAE have the Hashin criteria installed by default only for 2D elements (conventional and continuum shell elements mostly used). Otherwise you can check the failure damage indexes from Tsai Wu and Tsai Hill criteria only by requesting their outputs however this only will indicate a damage location and not the type of damage itself. If you want to develop a more accurate modelling using 3D elements you have to develop your own material model following the Abaqus subroutine option VUMAT and asigning a initiation and propagation damage. I hope this can help you out.
DB
@@danielbadel1226 thanks sir
3D solid element method is NOT recommended. Instead, continuum shell element should always be used. This video is very misleading.
why do not you make a video and compare you results with him instead of throwing such sentences ?
No. I used both of them compared with experimental case. it is correct
@@turanturan2831 I think you did not get the point. For this very simple case, you can use both methods. But for a complex composite structure, you need to map your mesh to different ply zones and continuum shell section is the correct method.
Nothing should always be used. There is always a tradeoff between accuracy and costs. I watched your video. You used continuum shell in the wrong way. I don't think you really understand the mechanics.
Depending on the stress state of interest solid or shell can be used. It is the user's responsibility to refer the user manual and define which element type is more suitable for the considered physical problem.