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Found 73 results

  1. Hi everyone, how it is possible to define the /INISHE/ORTH_LOC card? I can't find the option to define correctly it. I need to initialize the orientation of an orthotropic material (that's defined as a P9 shell property). Thanks
  2. Following the y-bracket tutorial leaves the optimisation hanging on 100% and analysis fails, saying contact support. The optimisation is definitely no longer doing anything because the process has no load on CPU. Please see attachments. Any help on this would be much appreciated. Best, Darren
  3. I have worked before with Pretension analysis and pretension manager on Optistruct. I am obtaining this error at the moment *** ERROR # 3090 *** Normals on the cutting section of PRETENS #20 are not consistent. Do you kow what this means? Thank you!
  4. Hi! I wanna model the rotation of a gear (wheel) with a preload in the pinion. I asume the preload is modeled with a moment but, how do I model the rotation? And which analysis type should I choose? (I don't want a quasi-static one). Some analysis don't let me include a LOAD. Thanks in advance!
  5. Hi! I wanna model the rotation of a gear (wheel) with a preload in the pinion. I asume the preload is modeled with a moment but, how do I model the rotation? And which analysis type should I choose? (I don't want a quasi-static one). Some analysis don't let me include a LOAD. Thanks in advance!
  6. Hi! I wanna model the rotation of a gear (wheel) with a preload in the pinion. I asume the preload is modeled with a moment but, how do I model the rotation? And which analysis type should I choose? (I don't want a quasi-static one). Some analysis don't let me include a LOAD. Thanks in advance!
  7. Hi Everyone, I was performing on my model through creating Stress-Strain curve and putting data values as per the curve given below. I have used NLPARM in Load Step. The error it is showing is quoted as : "The plastic material data specified on the TABLES1 bulk data entry ID=5 is invalid. The slope after the initial yield point is not less than the Young's modulus. ( 1.468927e+005 >= 1.550543e+005 ) at the segment 2. " I got, that the slope after the initial yield point should be less than the young modulus. So, I have ensure that very carefully in my curve but also it is showing the same error. Kindly clear my doubt as if I am doing something wrong. Thank you for reading and for answering. Enclosure: In the curve I have selected the first curve among all the curves.
  8. Hello, I've trouble analyzing my inspire construction. After setting up my contacts, forces and constraints I'm starting the analysis and then inspire crashes and closes itself. Very strange because i've done several analysis's and optimizations before without experiencing any troubles. Also have I done several analysis's with this same particular model, only the constrains have changes slightly. Does anyone know the answer to my problem?
  9. hello, i'm trying to do a correlation between experimental results and numérical ones, so for this correlation i am using as a reference file a .UNV ( 164) and for correlation file results extracted from a modale analysis optistruct, so once i clic on load an error message apear it said that '' erreur: missing operand ar_@_ in expression..'' as showing in the picture. i'm sure that the error comes from the unv file. so my question is : is it the unv fomat file ''dataset 164'' that causes this error? if yes what dataset should be used ' dataset 15, 18, 55, 58, 82 or 151? if there is any other suggestion i'm all ears. and thank you in advance for all your replies
  10. Hi, First time using HyperMesh and I am following a tutorial for topology optimisation. The tutorial I am following is on pages 25-36 in the link provided. When I click OptiStruct, I do not get a message. When I click view.out, I get a message saying: '.out file does not exist.' Where am I going wrong? Thanks Laurence OptiStruct_11.0_Tutorials_(1).pdf
  11. Hi, I am a student of Youngnam University in Korea.This time, I was going to get a student license and use it.However, an error occurred. I want to know the solution.I don't know if it's a license or my condition is wrong. Perhaps it is not a licensing issue.There's a file I analyzed last year. There was no problem last year. The file went on as it was. However, now the same error occurs as the attached picture. I don't know what the problem is. I need help.
  12. Hi, Thanks a lot for your support and quick response. I am using Hypermesh with Ansys User Profile . Here I want to do the Static, Modal, Harmonic, Transient and Random Analysis. I want to give all the inputs in Hypermesh Itself. Please Guide me on this I have to give the inputs in Sinwave form. please provide me any link for tutorial. Thanks in advance for your valuable support.. Thanks, David
  13. Hello, I would like to extract the node point stresses after an analysis using a tcl script for further analysis in Matlab. Control cards only allow me to export the GPSTRESS as HM or H3D which is not useful for running an analysis outside of hypermesh and hyperview. What functions should I use to accomplish this? Or is there an easier way? Thank you, -Eric
  14. Hi, I used incremental radioss - crashform for simulating the component. I have the .hf file, .sta file, .rst file, .rad and animation files. I should run the springback analysis for the component. I am not able to get the springback result. I should evaluate the springback and the springback compensation. Kindly help me. It is urgent. I have attached with the files for your reference. Thanks in advance. Final_Simulation_26.rar
  15. Hı, My question, what is the difference between the following options. These results are calculated according to what? Thank you.
  16. ESAComp is software for analysis and design of composites. Its scope ranges from conceptual and preliminary design of layered composite structures to analyses of details. ESAComp is a stand-alone software tool, but thanks to its ability to interface with widely used finite element software packages, ESAComp fits seamlessly into the design process. The comprehensive material database of ESAComp forms the basis for design studies. ESAComp has a vast set of analysis capabilities for solid/sandwich laminates and for micromechanical analyses. It further includes analysis tools for structural elements: flat and curved panels, stiffened panels, beams and columns, bonded and mechanical joints. ESAComp is developed and supported by Componeering Inc., Finland. www.esacomp.com or check out our Altair Partner page http://www.altairhyperworks.com/partner/ESAComp ESAComp-Intro.pdf
  17. when a round profile model such as car wheel , bike wheel, have do a static analysis , hub or shaft center of wheel fixed. forces apply rim face but this forces are crossed does not perpendicular selected axis. how to apply force in round , cylindrical part in face ?
  18. Hello Everyone, I just started to use Inspire and I did the introduction problems on Altair's Moodle. I know more or less how to draw and modify the structures. However, I noticed when I upload STL file from alternative source to Inspire 2016, it seems like a piece that I cannot modify or it doesn't appear in analysis any way. I would like to run analysis stage on the imported STL file before I modify it at any way. The piece appears as "Invalid feature or associated part". An STL file output from Inspire 2016 source is recognized as it should be after reloading. Is it there a way to make an imported part to become a part that can be modified in Inspire 2016? Thank you, Jukka
  19. Join us on either April 5th/6th/11th 2017 Presenters: Harri Katajisto & André Mönicke, Componeering Inc. To get an overview to the new capabilities of ESAComp 4.6, sign-up here to join our free webinars: http://www.esacomp.com/webinars/live Python scripting for batch runs and for creating user extensions Enhanced panel analysis with shell modelled stiffeners Structural analysis of thick-walled pressure vessels with solid FE modelling from winding patterns imported from ComposicaD filament winding simulation For HyperWorks users, an integrated solution for pre- and post-processing of composite structures, allowing ply-by-ply investigation of failure modes using advanced failure criteria The webinar takes appr. 45 minutes including a Questions & Answers session at the end.
  20. The 4th European Altair Academic User Day on June 26th (during the European Altair Technology Conference, June 26th - 28th in Frankenthal Germany) provides students, teachers, professors and researchers across Europe to network and share their experiences with Altair’s CAE solutions. Join us to hear how ESAComp assists schools and universities offering composite engineering courses, both in the class room and for post-grad research. Register here -> http://www.altairatc.com/EventPage.aspx?event_id=89&name=Academic+Day+2017 ESAComp-EDU-06-2014.pdf
  21. Hello, when I run thee analysis on my model, I get the message: ************************************************************************ A fatal error has been detected during input processing: *** ERROR # 640 *** STACK 1 is incorrectly or ambiguously defined. This could be due to disconnected substacks, duplicate interfaces or inconsistent interfaces orientations. Please verify the substacks and interfaces thoroughly. ************************************************************************ ==== End of solver screen output ==== ==== Job completed ==== In my model I got six plies called that have no material real material (material with parameters = 0), I just used them to create an Interface laminate and to connect the plies in a proper way. If needed, I can also translate the notations into english if needed. Felgenbett_Heiss.hm
  22. Hı everyone, I am trying to do lattice optimization with different types. I'm using hex mesh for design and tetra mesh for non-design. I I can see the different types of lattice in the design structure. But when I check the displacement values, I don't see any difference. Can you help me for this problem? controlarm.pptx
  23. Hı, I'm doing lattice structural optimizations. Lattice type 1 and 3 is working but 2 and 4 are not working. I get this error. Can you help me? Thank you.
  24. Hi there, I've run a simulation of the chassis of a car through Optistruct in Hyperview, and there were no errors and everything seemed to run well. However, upon loading into Hyperview, I am unable to view the contour plots for stress/strain/displacement and the four subcases. I am expecting to get a model like Image 1, however am getting image 2. It is as if there are no loads applied to the chassis. If anyone is able to view the model (file attached) and perhaps indicate where I am going wrong it would be greatly appreciated. Cheers Chassis_scaled_newI.hm
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