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  1. looyongabaqus

    Connector: Join + Cardan

    hi, i seemed to define the connector wrongly. under Abaqus documentation, it states that Connector-->Geometry-->Create Wire Feature Connector-->Section-->Create: Name: connector section name Connector-->Assignment-->Create: select wires: Section: connector section name i am using beam...
  2. looyongabaqus

    Connector: Join + Cardan

    hi, i am trying to model a connector (join + cardan) to connect a beam and a column, both of beam elements. a tip load will be applied to the other end of the beam so as to create a rotation at the connection between the beam and the column. i selected the first connector point on the beam...
  3. looyongabaqus

    Urgent - Restarting Analysis due to Unexpected Computer Shutdown

    Hi, Task manager showed that it has stopped. I checked .sta and saw that it stopped at a particular timing. I am using CAE interface. Can I know how to restart from this timing? Thank you for the fast reply. Cheers.
  4. looyongabaqus

    Urgent - Restarting Analysis due to Unexpected Computer Shutdown

    Hi friends, I am running a Abaqus Standard simulation for about 1.5 days. When I checked it now, the computer experienced a unexpected shutdown due to power failure. I opened the CAE file and recovered the data. It still shows that the simulation is running but it is actually not running...
  5. looyongabaqus

    Automatic Stablization - RC Element Analysis

    Hi all, I am modeling a RC element subjected to stress and i am interested to determine the deflection of the element. I am using Abaqus Standard with static-general step. It seems that I have instability issue and I used automatic stablization technique to stabilize the problem. I am...
  6. looyongabaqus

    Continuum Elements - Beam Elements

    Hi, I have a structure which is made up of part continuum (solid) elements and beam elements. I tried to tie the beam elements to continuum elements by tie - node to surface and coupling (i tried both distributing and kinematic coupling) There are two static-general step, first a vertical...
  7. looyongabaqus

    Beam Elements to represent Uncracked Transformed Section

    Hi all, I am trying to model a reinforced concrete structure. As the structure is large, our intention is only to model the detail reinforced concrete elements for a small area of interest. For other portion of the structure, our intention is to model the reinforced concrete element by beam...
  8. looyongabaqus

    Picking a Node within a solid part

    Hi Rob, Thanks. I will try it out. Have a good holidays. Cheers.
  9. looyongabaqus

    Picking a Node within a solid part

    hi all, I have a solid 3D part made of concrete. I would need the results of a few points inside the concrete. However, I realised it was not easy to pick them when doing a Set because the nodes are hidden (they are not on the surface. I have 1) partition my model exactly at the points when I...
  10. looyongabaqus

    spring between 2 nodes with moment-rotation relationship

    Hi, thank you. I will try it.
  11. looyongabaqus

    spring between 2 nodes with moment-rotation relationship

    hi all, I am trying to simulate a spring that have a moment rotation relationship between 2 nodes in Abaqus/Explict or force perpendicular to the line between the 2 nodes against the vertical displacement. Can I use beam elements to simulate this behavior instead? Can anyone please advice...
  12. looyongabaqus

    Modelling a simple RC Beam in ABaqus

    hi nick, I am modeling a RC beam-column connection instead. I am using Abaqus Standard. I used CDP for my concrete and beam elements for my reinforcement. The reinforcement is embedded into the concrete element in the interaction module. As for the load step, I am using static-general but i...
  13. looyongabaqus

    Abaqus Standard: Overconstraint + Negative Eigenvalues

    hi rob, I tried to use the following for my loading steps: Static General> Automatic Stabilization> Use damping factors from previous general step> Use adaptive stabilization with max. ratio of stabilization to strain energy to strain energy: 0.05 I think this works in solving the diverging...
  14. looyongabaqus

    Abaqus Standard: Overconstraint + Negative Eigenvalues

    hi rob, i had the nonlinear geometry on. im trying to work on my boundary conditions. not too sure if it will help. i will let u know if i am able to get something. thanks.
  15. looyongabaqus

    Abaqus Standard: Overconstraint + Negative Eigenvalues

    Hi Rob, 1) I tried to to use Instance>Merge/Cut but could not comprehend how to do it. Abaqus will prompt you for a new part and after that you will need to select all the instance to be join together. After this, there is only one new instance containing the entire structure. All the other...
  16. looyongabaqus

    Abaqus Standard: Overconstraint + Negative Eigenvalues

    Hi guys, thank you for the posts. I am going to post my input file if it can help you to understand better what I am modeling. Hi Corus, I was thinking over your suggestion. I think symmetry might be difficult because of my loading. As for 2d plane stress model, I am not really sure how to...
  17. looyongabaqus

    Abaqus Standard: Overconstraint + Negative Eigenvalues

    hi, i have attached an image of my boundary conditions in pdf. however, i have solve the problem of overconstraint. Abaqus standard will not allow embedded nodes to be tied by surface-based tie. my reinforcement are embedded elements within the concrete structure and my concrete structures are...
  18. looyongabaqus

    Abaqus Standard: Overconstraint + Negative Eigenvalues

    hi, i am using Abaqus standard to model a reinforced beam-column connection subjected to a tip load at the end of the beam. i first applied a gravity load followed by a tip load at the end of the beam. halfway through the application of the tip load, abaqus standard stop and give 2 errors...

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