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  1. C.A

    flow stress of AL2024 alloy ( specially al2024-T3)in different temperature and strain rate(10s-1)

    Hi everyone I am looking for experimental data in tensile or compression test for al2024-t3 at different temperature (100-450C) and different strain rate (1-10-100)(specially 10s-1) I know there are some constitutive equations like johnson Cook or Zener Hollomon for estimation flow stress. but I...
  2. C.A

    flow behavior of AL 2024-T3 at different strain rate and temperature

    Hi everyone I am looking for experimental data in tensile or compression test for al2024-t3 at different temperature (100-450C) and different strain rate (1-10-100)(specially 10s-1) I know there are some constitutive equations like johnson Cook or Zener Hollomon for estimation flow stress. but I...
  3. C.A

    Consecutive change in size of deformable target in a file animated by ANSYS(mechanical apdl)

    Hi to all have you ever seen this event? I observed it many times. when I want to simulate a rotating body which is deformable and comes into contact with another deformable-body, this problem appears. for example, when we simulate friction stir welding, during the process ( when we animate it)...
  4. C.A

    Consecutive change in size of deformable target in a file animated by ANSYS(mechanical apdl)?

    Hi to all have you ever seen this event? I observed it many times. when I want to simulate a rotating body which is deformable and comes into contact with another deformable-body, this problem appears. for example, when we simulate friction stir welding, during the process ( when we animate it)...
  5. C.A

    why does the stress appear before two bodies come into contact(Ansys apdl)?

    Hello to all, I am modeling a rolling ball onto the surface using ANSYS Mechanical APDL. I modeled a ball far from 1mm from the plate then I applied displacement in order to the ball comes in contact. but before the ball detects the surface I see compress stress on the plate. I used these...
  6. C.A

    why does the stress appear before two bodies come in contact(Ansys apdl)

    Hello to all, I am modeling a rolling ball onto the surface using ANSYS Mechanical APDL. I modeled a ball far from 1mm from the plate then I applied displacement in order to the ball comes in contact. but before the ball detects the surface I see compress stress on the plate. I used these...
  7. C.A

    How to define predefined fields in ANSYS apdl

    Hello to all Assume that we have two welded plates(the welding process already has been simulated ). now after cooling the plates , the new simulation or new analysis ( for example rolling) has to be done on these welded plates. accordingly residual stress and displacement should be resorted...
  8. C.A

    How to increase allocated RAM in ANSYS mechnical APDL

    Hi I have accessibility to high speed computer ( CPU=24cores and RAM=32GB). I adjusted ansys mechnical apdl product launcher as follows: high performance computing setup-Type performance computing-used shared memory parallel(SMP)-number of processor=20 when I run the simulation and check task...
  9. C.A

    how to add temperature as degree of freedom to special element types

    hi to all one of the best element to simulation with ALE ( arbitrary eulerian lagrangian)capability is solid 164. this element is available at ANSYS-LSDYNA. it has three DOF (ux,uy,uz). If we want to execute couple analysis (structural and thermal) like FSW ( friction stir welding) using this...
  10. C.A

    Friction stir welding sample in ANSYS help is strange

    Hello to all I am trying to simulate FSW using ansys mechanical apdl. there is a useful sample which was provided by ANSYS. you can find it at this address: https://www.sharcnet.ca/Software/Ansys/17.0/en-us/help/ans_tec/tecfricstir.html I executed the sample step by step (for stainless steel...
  11. C.A

    deformation and stress as Initial state

    Hi to all My question is how to use inisitate command: Assume we have 3parts. part1=plate1 , part2=tool2, part3=tool3. If we run an analysis using part1 and part2 .afterwards we want to run subsequent analysis between the same part ( part1) and part3. is it possible we write stress and strain...
  12. C.A

    example in ANSYS help doesn't work to me

    Hi to everyone I am using ANYS mechanical apdl.I wanna run an example in ansys help about: "Rezoning Using a Generic New Mesh" at the below address https://www.sharcnet.ca/Software/Ansys/16.2.3/en-us/help/ans_adv/Hlp_G_ADVRZSMP.html The hlep file says that in 2d simulation since we have large...
  13. C.A

    how to execute different analysis types subsequently using RESTART in ansys apdl

    Hi to all I was wondering is it possible to execute two different analysis types ( first static and second transient) using RESTART ? the problem is such a way that I have to run first load step statically (because for converging I must do Rezoning mesh and it is applicable in static...

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