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  • Users: helmi30
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  1. helmi30

    Rigid body nodes replaced to a single node

    Hi all, I have assigned all nodes of a discrete rigid body to a single node at reference point, say RP1. My question is that can I just pick this point, RP1, to introduce the restraint as boundary conditions rather than the actual nodes at the discrete rigid body itself? In another word, all...
  2. helmi30

    How to apply Shear Stress on Designated Nodes of a Surface Part

    I have actually referred to Abaqus Manual, and done the surface traction. I could only apply stress load at the surface. However, Iam interested to apply traction load at certain nodes rather than a surface. Please do let me knows how to do this. Thank you.
  3. helmi30

    How to apply Shear Stress on Designated Nodes of a Surface Part

    Hi everyone, Iam wondering on how to apply shear stress on the desired nodes of a part's surface. The direction of this stress is parallel to the part's surface. Any response is very much appreciated. Thank you.
  4. helmi30

    How to Plot Loading against Deflection graph

    Iam having a problem and confused about viewing the output result. Please let me know on how to plot a graph of loading versus displacement at a desired node, once the analysis has successfully done. Thanks for any feedback.
  5. helmi30

    How to apply shear stresses restraint

    Hi all, I have a problem on how to set the boundary conditions in Abaqus by restraining the shear stresses, i.e. how to set ?xy and ?yz = 0. Please let me know on how to solve this problem. Many thanks for any feedback.
  6. helmi30

    [b]Concrete Damaged Plasticity[/b]

    Hi everyone, Iam just wondering how to set Abaqus so that concrete slab or beam will failed in crushing etc rather than the behaviour goes on and on endlessly. Thanks for any feedback.
  7. helmi30

    tensile stress of concrete

    Hi, Iam just wondering that the value of tensile stress, ft, of concrete, required for tensile behaviour input shall be around 5% to 12% of its compressive strength (fc). However, the result from the analysis showed that the value of tensile stress gives far too low to about 0.11% of its fc in...
  8. helmi30

    How to plot undeformed and deformed plot

    Dear Abaqus users, After browsing through the manual over and over again, I still could not figure out how to display undeformed and deformed model shape on a single picture. Please let me know on how to solve this matter. Thanks in advance for any adivce.
  9. helmi30

    [b]ABAQUS CAE - tensile behavior input for RC Slab[/b]

    Since my model consists of a quarter of the original slab due to the geometrical symmetry, I have partitioned the steel bars into three segments. However, I have embedded only one of the end segments of the steel bar. After running the analysis, I noticed that Abaqus gave negative result noted...
  10. helmi30

    [b]ABAQUS CAE - tensile behavior input for RC Slab[/b]

    ASoliman - Do you mean leaving out the middle segment of steel bars as if there is totally no steel rods at middle segment or to choose different element type rather than truss elements? Concrete slab dimension is 1600*1600*150mm thk. 6 numbers of 12mm diameter bars in each direction. Uniformly...
  11. helmi30

    Concrete Slab that never Snaps

    Hi, I have analysed a concrete slab with Concrete Damaged Plasticity using ABAQUS CAE. However the results have shown the plastic behaviour and it goes on and on without failure. My query is that how can i know the maximum loading and deflection when the concrete has failed. Perhaps, is that due...
  12. helmi30

    Concrete Slab that Never Snaps

    Hi, I have analysed a concrete slab with Concrete Damaged Plasticity. However the results have shown the plastic behaviour and it goes on and on without failure. My query is that how can i know the maximum loading and deflection when the concrete has failed. Perhaps, is that due to CDP is not a...
  13. helmi30

    Abaqus Users - to simulate the behavior of RC Slab

    mrgoldthorpe..thanks for reply. The curve between FEA and test shows a close relationship at elastic region (before yielding), less than 10% difference. Such minor error is acceptable due to the fact that the support edges during test are not rigid enough, i.e. vertical deformation at supports...
  14. helmi30

    Abaqus Users - to simulate the behavior of RC Slab

    Thanks for response. All materials data, both elastic and plastic values are put into Abaqus. Thats why the yield load is high (around 180kN in one case) before the curve begins to deform into plastic region. Compare to experimental test results, the yield load is around 80kN before the...
  15. helmi30

    [b]ABAQUS CAE - tensile behavior input for RC Slab[/b]

    Thank you mrgoldthorpe for your reply and comments. Actually, Abaqus gives yield load of around 800 - 1000kN higher than experimental test results with 80kN yield load. To the best of my knowledge, I have thoroughly and meticuluosly checked my models, boundary conditions, elements type. I have...
  16. helmi30

    Abaqus Users - to simulate the behavior of RC Slab

    To my best knowledge, yes, I have put the right boundary conditions into my model. Since the RC Slab is simply supported at all edges, I restrained all nodes at base only in vertical direction (u3 = 0) at the support. The rest remains unrestrained. Abaqus shows a yield load of around 800 -1000...
  17. helmi30

    [b]ABAQUS CAE - tensile behavior input for RC Slab[/b]

    Dear Abaqus users, Iam modeling and analysing a simply supported RC Slab with Concrete Damaged Plasticity on Abaqus CAE. Concrete slab is modelled with C3D20 solid elements and steel bars are modelled on Truss element T3D2 which are embedded into concrete. My results show very high force vs...
  18. helmi30

    [b]How to reduce Force vs Deflection graph of RC Slab[/b]

    Dear Abaqus users, Iam modeling and analysing a simply supported RC Slab with Concrete Damaged Plasticity on Abaqus CAE. Concrete slab is modelled with C3D20 solid elements and steel bars are modelled on Truss element T3D2 which are embedded into concrete. My results show very high force vs...
  19. helmi30

    Abaqus Users - to simulate the behavior of RC Slab

    Dear Abaqus users, Iam modeling and analysing a simply supported RC Slab with Concrete Damaged Plasticity on Abaqus CAE. Concrete slab is modelled with C3D20 solid elements and steel bars are modelled on Truss element T3D2 which are embedded into concrete. My results show very high force vs...
  20. helmi30

    Abaqus Users - to simulate the behavior of RC Slab

    Dear Abaqus users, Iam modeling and analysing a simply supported RC Slab with Concrete Damaged Plasticity on Abaqus CAE. Concrete slab is modelled with C3D20 solid elements and steel bars are modelled on Truss element T3D2 which are embedded into concrete. My results show very high force vs...

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