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  1. isok89

    Shear stresses in a node

    Greetings all, How do I determine the shear stresses in a node of a SR4 element? Given in the image below. I tried S12 but the results I get are unclear. Thanks in advance
  2. isok89

    advice on mathematics

    Thank you for the kind feedback. I think I'm going to take the following approach: The book advanced engineering mathematics as a basis and every topic I don't understand I will look up elsewhere (like youtube). To give you some more background; I have been working for almost 2 years as a...
  3. isok89

    advice on mathematics

    Dear all, I am seeking your advice on the following issue: I am a soon to be graduate with a MSc in structural engineering. Soon I'll start with an MSc degree in geotechnical engineering. However I am not satisfied with my level of understanding of finite element method, continuum mechanics...
  4. isok89

    connection modelling in abaqus (time history analysis)

    Dear all, I am planning to conduct a time history analysis of simple masonry residential building (two floors) with a shallow foundation, this includes the soil block with a time signal beneath to simulate an earthquake. I am looking for tutorials or manuals on how to manual different...
  5. isok89

    Shear modulus of wood frame shear walls

    Hello, I am trying to determine the shear modulus of a wood frame shear wall. --> combination of plywood, chords and nails. If anyone here has useful references (international building code or reference) without extended use of formulas I would appreciate if you'd post them. My problem is...
  6. isok89

    Second degree in geotechnical engineering?

    Thanks for all the insights here. I am especially interested that it can be useful for working abroad. Do the geotechnical engineers here have any experience with this? I live in the Netherlands and I can attend Delft University of Technology which has a very good reputation (#7 in civil...
  7. isok89

    Second degree in geotechnical engineering?

    Greetings all, I posted my question also in the 'corporate survival' thread but as I saw there is a specific forum for geotechnical engineers, I'll post it here: I am a junior structural engineer and I have recently completed a Master's degree in Structural Engineering. Currently I have...
  8. isok89

    Second Master degree for a structural engineer?

    Greetings all, I am a junior structural engineer and I have recently completed a Master's degree in Structural Engineering. Currently I have nearly a year of work experience. During my S.E degree I got interested in geotechnical engineering. I have the ability now to pursue a Master in...
  9. isok89

    stresses in global x direction within shell element

    Hi, I'm trying to deduce the stresses in my shell element S4R in the global x-direction. I requested S11 and S22 in history output but there are large differences for the positive (upper surface) and negative (bottom surface). Can anyone explain what the correct procedure is?
  10. isok89

    Beam subjected to moment only

    To summarise the above: I want to create a moment - displacement curve instead of load - displacement curve. What I basically want to know is the bending moment in my section in time history. If someone could please help me, I already tried using Section moments in field variables but I'm...
  11. isok89

    Beam subjected to moment only

    I have subjected a thin-walled beam to a moment load only by using references point on both ends (supports). - Shell elements - Implicit dynamic solver with quasi-static application - moment applied at supports The supports (total cross section EDGES due to shell elements at the supports) are...
  12. isok89

    Wrong eigenmode

    Hi all, I am looking for the first eigenvalue of a three-point-bending simulation. It concerns a three point bending test on a hat profile, by using a point load in the centre. I'd expect to get an eigenmode where the compression flange (upper flange) buckles. However the eigenmode I get is...
  13. isok89

    Abaqus scripting GetClosest command

    Hi, I'm trying to use the getClosest command. When using the vertices.findAt command for specific coordinates, I do get a vertex object as return. When using vertices.getClosest, the return object is a dictionary object as the scripting manual says. However this isn't accepted as an argument...
  14. isok89

    Abaqus scripting

    I'll add some more info, the following is what I have as a test: mdb.jobs['JOB-EXP-'+exp_id].submit(consistencyChecking=OFF) time.sleep(25) mdb.jobs['JOB-EXP-'+exp_id].kill() Everything works except the kill() is ignored, I can even use .waitforcompletion() and it works. It doesn't make...
  15. isok89

    Abaqus scripting

    Hi, I have three questions considering the Abaqus scripting environment. First let me give some background info I am interested in ultimate loads of different types of beams, so the post-failure phase of load-displacement doesn't interest me. I wrote a python script which delves into the ODB...
  16. isok89

    Reporting eigenvalues

    I couldn't find them (negative) in the msg file but I found them neatly arranged in the DAT file, so I'll write a script for that to extract and report them. this forum has saved me a lot of time :-)
  17. isok89

    Reporting eigenvalues

    Hi, I would like to know how I can report eigenvalues to a txt file. Currently I'm opening every ODB file to get the eigenvalue by looking at the viewport. If I know how it works in the GUI, I can script it. So does anyone know how this works within the GUI? I can't find anything in history or...
  18. isok89

    Difference between smooth step and ramp linearly over time for quasi-static analysis

    I'm conducting an implicit dynamic (quasi static) analysis. My problem is actually static, but in some of my experiments, dynamic behaviour has occured. I have it displacement controlled by using a rigid plate I can use in the step: Application: quasi static and then load variation will change...
  19. isok89

    sensitivity of findAt command in Abaqus scripting

    Hello, the findAt command seems to be very sensitive. I'm simulating half hat sections which is basically in my case: a bottom Flange, connected to a web under an Angle, and on top a Top flange. There is a corner radii beween bottom flange-web and web-topflange. I used simple goniometry to...
  20. isok89

    Penetration in contact

    I used the implicit dynamic solver without any stabilization. The job doesn't abort with an extremely fine mesh (5 hours simulation instead of the usual 1 hour) I use a loop in my script to simulate all my models. one loop goes as follows: 1. create model 2. submit job 3. use command...

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