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    For new users, here's a simple STEP assembly of a solid welded block, with a round bar the user can attached as desired. With just four bodies, this assembly is a good way to practice and add to your skills. They are simple enough to try different techniques joining the bodies, or even b oolean. Here's an image on my practice model. The loop weld is joined to the base, block joined to the weld, and solid rod joined by MPC connection. The block is not joined by mesh to the base, as in the real welded part. The resulting stresses are shown for the same h3d file, for 2019.3 (left) and 2019.2 (right). There appears to be some difference in how the stresses are displayed for the two versions, but the queried stress is the same. Enjoy, and share and teach your newbies. Darryl TEST_SOLID_WELDED_BLOCK.stp
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    Glad to help. You need to split the geometry into design & non-design components using geometry>solid edit>trim with nodes, lines or plane/surf. Solid_Edit_Panel.pdf
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    This error is due to non-convergence (check the out file for details). Increase the number of cutbacks allowed (NCUTS) in the load collector with NLADAPT card image and refer this load collector under NLADAPT subcase definition (loadstep). However, there is a limit when implicit methods become computationally inefficient (buckling, wrinkling, unconstrained rigid body motion, large deformation, rupture, contact with friction,...). These cases can be solved by the explicit method. 30Diametro-edit2.hm
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    Hi, looks like something is preventing the writing of the *.avi file: -if writing for the first time, make sure you have permission to write to the specified folder -if rewriting the existing (previously created) file, make sure it is not opened in other applications
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    There are some options: 1. Use application automation in POSTFEKO to postprocess/plot all the data from all the results files. This means that you would have to learn to write an automation script. The User Manual and example guide have more info. 2. Create one CADFEKO model with all 16 files’ angles. This would mean 16x16=256 configurations. You don’t have to create each configuration one by one. Just enable script recording, create a few configurations, and then modify the recorded script to use e.g a FOR loop over all the angles. The angles could be read from file. Lua resources are freely available on the web. 3. Modify your existing CADFEKO model files to output the fields to ASCII file – see Advanced tab of far fields and near fields. You will have to rerun all the models, but it should be quick if the *.str files are available. There will be multiple *.ffe files (Far fields) and *.efe/*.hfe files (near fields) corresponding to the configuration numbers. You will need to append all the files into a single *.ffe/*.hfe/*.efe file. This could be done with a script. Then use the Import function of POSTFEKO to import the combined data file.
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    Hello Alpha After running Radioss analysis you can plot the energy curves from the results in SimLab using the Plot tool from Results > Results > XY Plot. Please follow the steps as follows using the XY Plot tool 1. Set the Data type as Loadcase/Frequency. 2. For X data select the Loadcase button. From the Loadcases sub dialog select the time steps of your choice. 3. For Y data select the results component as Specific Energy. 4. Select the nodes for which you want to plot the energy curve from the model and click plot. The energy curves are plotted for the selected nodes from the model in differentiating colors. Kindly let us know if you face any difficulties. Thanks & Regards Nantha Kumar N
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    Hi, Below are the different approach to automate the process Approach 1 Import a CAD (Imported CAD should contains groups / colors) Generate mesh Transfer the groups from CAD to mesh Assign loads based on groups In this approach, when we bring the new model, the group / color information should be present in the CAD. In this way, we can fully automate the process Approach 2 Import a CAD (Imported CAD does not have groups / colors) Import group template (Contains empty groups with standardized group names) Generate mesh Transfer groups from CAD to mesh Assign loads based on groups In this approach, step 1 and 2 is manual. This is semi automated process. Refer the attached "Con_rod_automation.mp4" video. Approach 3 Import a CAD (Imported CAD does not have groups / colors) Using select features tool (body right click > Select features), identify the features and create group Generate mesh Transfer groups from CAD to mesh Assign loads based on groups This approach is fully automated. Refer "How to record python script?" tutorial in SimLab help page. Click on F1 will take you to the help page. Kindly try any of the above approach which suits your process. Let me know if you have any difficulty. Con_rod_automation.mp4
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    Glad to help. I suggest you go through free Altair e-books and start with Practical Aspects of Finite Element Simulation. You can also learn from learning and Certification program: https://certification.altairuniversity.com/ > (Learn Modeling and Visualisation) Check the following youtube channels: AltairUniversity Altair India Student Contest ELEATION By Apoorv Bapat If you are new to FEA I recommend Finite Element Analysis For Design Engineers by Paul M. Kurowski: https://www.sae.org/images/books/toc_pdfs/R449.pdf
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    Hi, 1. Use large displacement non-linear static (LGDISP NLSTAT) or transient analysis. Only explicit analysis (Radioss) can converge in case of wrinkling. 2. To get membrane behavior set MID2 and MID3 as BLANK. Membrane has no bending stiffness which can cause convergence difficulties. As a workaround, assign another material of negligible stiffness under MID2 & MID3. 3. Linear static cannot be used because of geometric non-linearity inherent to inflatable structures. 4. It is necessary to assign thickness in any type of analysis. 5. Material MATHE cannot be referenced by properties other than PSOLID/PLSOLID. Therefore it can not be used with shell elements. 6. For computational efficiency this model could employ quarter symmetry as load, BC and geometry are all symmetric. 30Diametro-edit.hm
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    You are welcome. Do not worry. We are here to help. Have a nice day.
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    The objective of the forum is to have public technical discussions for the benefit of all users, private messaging is hence disabled.
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    Hello, In continuation to Chris's response, attached is an example MDL file created in HW2019.1. You need to browse the tire and road property files again before solving. Refer to the MF-Tyre documentation for more details. Hope this helps in setting up your model. Thanks. Model_DrumRoad.mdl TNO_car205_60R15.tir TNO_DrumRoad.rdf
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    Have you watched the Arduino Series at Altair Embed website? It is a good source of information to start with: https://solidthinking.com/resource/9673/?weight=2 Regards, Roberta
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    Hi, You are welcome. I managed to create a python script allows to create the new mesh coil. The aim is to show how to create a non-meshed coil. you can also configure it by creating geometric parameters. You will find attached the python script. Best regards. Create_Non_meshed_coil_Flux_2018.py
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    Yes , I used Flux 2019.1.1 to create the non meshed coil. can you update you Flux? best regards.
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    Hi Darad, This is pros & cons. I also feel the same like you when start to use SOLUTIONS browser. I think Solutions Browser is easier for new users. Secondly, it sounds SL want to do more (thermal, cfd, EM), rather than only mechanical. Then Load & Constraints may be conflicted and difficult to do automation. Now I am learning python script and found this may be useful.
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    Hello JJJ You can connect the supports in the chassis to the defined node using RBE from Analysis > Loads & Constraints > Connectors > Manual RBE For restricting the DOF's of the Independent node of the created RBE's, apply Property from Analysis > Property. Select the RBE's from the Model browser. Set the Entity as RigidBar & Type as Rbe2. Set the DOF of the Independent node in the DOF tab. Kindly let us know if you have any doubts. Note: I have already replied to your query in the following link Thanks & Regards Nantha Kumar N
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    Hello Darad Please find my comments regarding your concerns in SimLab 2019.2 as follows 1. For results display, the Contour and Displacement icons for Results ribbon have disappeared In SimLab 2019.2 version the Contour icon, Displacement icon, Animation toolbar have been removed and modified and placed at the bottom of the GUI. Please refer the below demo video on Animation panel 2. Upon importing an existing *.fem, all Analysis ribbon icons have disappeared as well as Loads and Boundary conditions tab in browser window. Yet, if I export the *.fem from the session, one can still Data Check and Solve the model. More enhancements were added to SimLab 2019.2 version. One of them was to create Solutions during import of *.fem files inside SimLab. If we enable the toggle "Create Solution" a solution will be created based on the imported *.fem file in the solution browser and the Loads & Constraints will be added in the solution browser only. The Analysis ribbon & Loads and Boundary Conditions displayed will be related to the type of solution that is created. If you disable the toggle "Create Solution" and import the *.fem file it will be imported likewise in SimLab 2019.1. Thanks & Regards
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    Let me add another approach that I've just learned. There are many options to perform it but I’ve found this method very simple, flexible and self-explanatory. Summary: In the example, watertank.oml is the master file. It: changes the input parameters (controller gains) runs (repeatedly) the file Watertank_parm.scm (slave) collects results doing post-processing (plot) at the end. I’ve created a quick video to summarize how to run the demo. Present working directory must be where you save the files (the video shows how to select the pwd). Otherwise use an absolute path in the oml file. Liv ParameterSweeping.mp4 watertank.oml watertank_param.scm
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