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Everything posted by Abdessamed

  1. Hi, Can you check on the folder: C:\Program Files\Altair\2018-edu\flux\Flux'Bin\dll\win64\flux_project.dll if you have the dll: flux_proejct.dll Best regards.
  2. Hi, Sorry for may late answer. The fact that you have a negative torque, the fact that you have a negative torque that means that you have reversed the phases. Can you check the assignment of the phases and the winding of the motor? Thanks.
  3. Hi, The (scalar) spatial quantities can be displayed on various supports in the form of isovalues (color-shade), isolines (the color of lines is equivalent those of the color shade) or arrows. About the difference between: Domain: you take all the regions (face/ volume) to display a scalar No vacuum, you don’t take into account of the region type air (vacuum) Vacuum and infinite, you take into account of both region air and infinite All the differences between the support, you can find it in the help of Flux. file:///C:/Program%20Files/Altair/2019/flux/Flux/Help/Flux/english/Website/index.html?Isovaleurs Best regards.
  4. You are welcome. Best regards.
  5. Hi, You will find attached PDF files for learning how to use a python script in Flux. Best regards. Altair_Memento_python_GB-v2.1.pdf Altair_Memento_pyFlux_GB-v2.2.pdf
  6. Hi, Sorry for the delay. I checked the model that you send us. May be the problem come from the mesh. In your case you need to take into account of the skin depth effect. This means that for each frequency you have to take into acount of the skin depth effect. To do it in Flux there is an option to create mesh generator type skin depth: file:///C:/Program%20Files/Altair/2020/flux/Flux/Help/english/UserGuide/English/topics/MaillageDunDispositifAEffetDePeau.htm?hl=skin%2Cdepth The other ay to do it in 3D, you can use a ‘surface impedance condition’. For more details: file:///C:/Program%20Files/Altair/2020/flux/Flux/Help/english/UserGuide/English/topics/LaConditionDimpedanceDeSurfaceSpecificite3D.htm?hl=surface%2Cimpedance%2Ccondition%2C3d To compute the average value of the flux density, you can create a sensor type operation, applied operator: average, spatial formula: select B, computation support selects defined by 2D grid. Best regards.
  7. Hi, Can you modify the solver used in your project. To do it: Solving >> solving process options : select edit >> select nonlinear system >> select method for computing the relaxation… modify the method used (use for example optimal method ). Best regards.
  8. Hi, Yes, in Flux there is a macro to take into account of the halbach array concept. From data tree Select extension >> macros>> select macros_Flux2D_postproc >> select HalbachMagnetization2D.PFM Best regards.
  9. Hi, Generally, there are several reasons for the non-convergence of the project, among which is the type of solver to be used. About the arrow, they represent the flux density. Best regards.
  10. Hi, Can you check the memory that you allocated to run the new project. To do it: Flux supervisor >> options (double click) >> decrease the numerical memory Once you have decreased the numerical memory, try to create again a new Flux project. Best regards.
  11. Hi, Can you share your project. Best regards.
  12. Hi, You are welcome. Unfortunately, we don’t have any example on this topic. About the sensors, from Flux supervisor example there are an example on which we use a sensor (for example IPM motor). For the case you want to use a sensor in the electrical circuit, form I/O parameters (data tree >> parameter quantity): Select sensors >> new >> type of sensor: predefined >> select for example magnetic flux (stranded coil conductors) Best regards.
  13. Hi, Here the answers of your questions: 1. Short circuits: once the circuit is created; you add a resistance (with low value) in parallel between two phases (you do it for all the phases) 2. Open circuit, you use just a coil conductor (for each phase) in series with a resistance with high value (1E5 Ohm) 3. You directly connect the phase to earth 4. The same principal as in the question one, you add a resistance in parallel between two phases Best regards.
  14. Hi, Here the answers of your questions: To check the quality of the mesh, once the mesh is done you have the possibility to do check mesh. This function gives you the quality of the good element, poor element… etc of the mesh. Yes, if you have a several poor elements on your mesh this maybe effect the solving (problem of convergence) In Flux, there are different types of the mesh: Automatic mesh, the mesh is done by Flux Users mesh, this mesh will be created by the user (for example assign mesh point, mesh lines…etc) Mixed mesh, you can use both automatic and user mesh To edit the automatic mesh: mesh >> aided mesh >> edit For the user mesh, general data >> mesh >> mesh tool, you select the mesh (line, face) point You can see in the help of Flux the difference between mesh point, lines and face: file:///C:/Program%20Files/Altair/2019/flux/Flux/Help/Flux/english/Website/index.html?LoiDeComportementMagnetiqueBHGeneralites Best regards.
  15. Hi, The best way is to use Flux 3D. You can start with the supervisor example of a linear machine. To get this example: Flux 3D supervisor >> select Open example >> Select application note: linear motor. Best regards.
  16. Hi, Did you install Flux 2020 version? If it is the case, try to use check geometry? Send me your new Flu project. Best regards.
  17. Abdessamed


    You are welcome.
  18. Ok, Keep informed. Best regards.
  19. Abdessamed


    Hi, Find attached a PDF file which sommeriez the different configurations of electrical circuit. Best regards Electrical_Circuit_Flux.pdf
  20. Hi, There is an example in the help of Flux which shows the steps to follow to make the coupling between Flux and Matlab Simulink. file:///C:/Program%20Files/Altair/2019/flux/Flux/Help/Flux/english/Website/index.html?LoiDeComportementMagnetiqueBHGeneralites In the search put Matlab you will get all the information Yes, it is possible to simulate a generator in Flux. What do you mean by alternator coupling (Flux/Matlab Simulink coupling? Or Motor/Generator? Best regards.
  21. Hi, Thanks for the file. In which part you compute the value of the Flux density (on the 2D grid)? you take the max value? Best regards.
  22. Hi, Can you share your Flux project. Best regards.
  23. Hi, About the inductance in the circuit, this allows to take into account the inductance of the end winding (because we are in 2D, we can’t represent it). In Flux supervisor example, there an example about single phase induction machine. There are different steps you need to follow to create your project and solve it. Flux 2D >> example supervisor >> application note: select single phase induction machine Best regards.
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