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  1. andradesilva

    MATLAB/Octave

    Hello, I would like to work in MATLAB but the high price of the licence made me look for an alternative. I found out Octave. My aim is to program .m files for routines that aim to interact with Finite Element Method sofware, like Abaqus, Nastran, ANSYS. -I would like to know what are the...
  2. andradesilva

    C++ with OpenFOAM

    Hi, I would like to know which topics of C++ are useful for the development of CFD routines in OpenFOAM, in the order that it is recommended. Best regards,
  3. andradesilva

    Problem seeing results in Paraview,OpenFOAM

    Hi, I did a simulating in OpenFOAM 6 and can solve it. However, when I open paraview to see the results, I can only see the velocity U. I tried to see the kinematic pressure p, but I can't see any result there. Any ideas on what I might be doing wrong? Best regards,
  4. andradesilva

    modal analysis in ANSYS Mechanical APDL 2020 R2: How to see graphical results without mesh/elements

    Hi, I am doing a modal analysis in ANSYS Mechanical APDL 2020 R2. I would like to see the graphical results, namely the mode shapes, without mesh. How can I do it? By default, the mesh is always loaded into my results. I thank you in advance,
  5. andradesilva

    How to export to a text file results of analysis with material non-linearities, for all the substeps

    Hello, I am doing a non-linear static analysis, with material non-linearities, in ANSYS Mechancial APDL 2023 R1. How can I program my input file, in APDL ,to export to a text file the: -reaction force -y displacement -y strain, -z stress -Von Mises stress for all the 20 substeps. I thank you...
  6. andradesilva

    raw data for S-N curve of steels

    Dear fellow researchers, I would like to know where I can find the editable/raw data for a set of points of a S-N curve for a high strenght steel, like a dual phase. I can only find the S-N curves, already built, not the data that originated the curves. I thank you in advance, Best regards...
  7. andradesilva

    thin-walled 3D solid to a shell

    Hello, I would like if there is any way to convert a thin-walled 3D solid to a shell, in ANSYS Workbench 2023 R1. I am thinking on design modeler or Spaceclaim. I thank you in advance, Best regards,
  8. andradesilva

    how to select a cross-section for a line built in Design Modeler in ANSYS workbench 2023 R1

    Dear fellow engineers, I am using ANSYS workbench 2023 R1 for a static analysis. I created a line between two points in Design Modeler. The problem is that, in Mechanical, I have to select a cross-section and I do not know how to do it. How can I do it? I attach a screenshot of the situation...
  9. andradesilva

    how to apply symmetry boundary conditions in ANSYS workbench 2023 R1

    Dear fellow engineers, I am using ANSYS workbench 2023 R1 for a static analysis. I would like to apply symmetry boundary conditions to some lines. how can I do it? Thank you, Best regards, Andrade Silva
  10. andradesilva

    how to print on the screen or export the axial inertia moment of a model, in ANSYS Mechanical APDL

    Dear fellow engineers, I am using ANSYS Mechanical APDL 2023 R1 for a static analysis. I can setup the simulation However, I wonder how can I print the axial inertia moment Ixx (area moment of inertia), in relation to the center of mass on the screen, or export it to a text file, upon the...
  11. andradesilva

    I am not able to see fracture of the specimen in explicit dynamics in ANSYS Workbench 2023 R1

    Dear fellow engineers, I am using ANSYS workbench 2023 R1 for an explicit dynamics analysis. I can setup the simulation and understand the results. However, I am unable to the fracture of the specimen, if I play results over time. I am modeling a tensile test. Do you know what can be wrong...
  12. andradesilva

    How to change element type in ANSYS Workbench 2023 R1

    Dear fellow engineers, I am using ANSYS workbench 2023 R1 for a static analysis. However, I can't select the element type. I can see in the solver output that currently, SOLID187 is assigned. However, I am modelling a structure similar to a construction brick and wonder if shell elements, like...
  13. andradesilva

    components for electromechanically actuated robotic gripper.

    Hi Brian It is to be printed in metal. In that case, what would the needed components be?
  14. andradesilva

    components for electromechanically actuated robotic gripper.

    thank you for your reply. No, I do not have experience, that's why I need to know the components I need, so I can select them and order them. In either case, which components are needed, to have a fully functional system? Thank you!
  15. andradesilva

    components for electromechanically actuated robotic gripper.

    hi, Answering your questions: I want to build a prototype" The answers to your main question will be found in your answer to this one: Why? Why are you building a prototype instead of a real gripper? What is it that you don't know? What are you trying to learn from the prototype? Be specific...
  16. andradesilva

    components for electromechanically actuated robotic gripper.

    The gripper is made of steel, to be actuated with a clampling motion (and force). If I want to build a prototype, which components do I need to create and control the motion of the fingers?. This is a two-finger gripper. Best regards,
  17. andradesilva

    components for electromechanically actuated robotic gripper.

    Hi, I need to print a gripper by FDM (3D printing). the problem is that we need components for the electromechanical actuation system. -We are thinking of using a servo motor, its control unit. -There is also a pressing cylinder, in which we are thinking of using a pneumatic cylinder...
  18. andradesilva

    differences between 3D printing a part in metal and in polymer

    Hi, I need to print a part by FDM (3D printing). The problem is that, where I work, we can only do it in polymers, like PLA. What are the practical considerations that are important for polymers that are not for metals, in terms of processing conditions and the expected material properties? I...
  19. andradesilva

    how to setup ANSYS batch to permanently run with 2 cores

    Hi, I am using ANSYS Mechanical APDL 2023 R1 to run a batch job. The problem is that, everytime I try to run that batch job, I get this error message: “The number of distributed memory parallel processes on the -np command line argument exceeds the number of CPU cores on this system. The...
  20. andradesilva

    problems validating design optimized geometry in ANSYS workbench

    Hi, I am doing design optimization in ANSYS Workbench 2023 R1. I am getting converged results. However, when I edit the value of the design parameters to the ones that result from the optimization, I get different values from those that are presented in the design explorer module (candidate...

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