JJJ

Members

35

1. RBE3 elements and boundary conditions

Helo Nantha, Thank you very much, it is what I ned.
2. Representation of hole body

Hello, I am modeling 1/4 from a model because of symmetry conditions, but I want to represent the results of hole body. Is it possible in Simlab and in Hypermesh? How can I do that? Thanks in advance.
3. RBE3 elements and boundary conditions

Hello, anyone could help me? Thanks.
4. 1D and 2D model

Hello: I want to simulate a bus structure, considering not only the structure but also the shell. I have modeled the chassis with 1D elements (beams), and the bodywork with 2D elements (shells). I want to know how I could model the connection between 1D and 2D elements in my model. Thanks in advance.
5. RBE3 elements and boundary conditions

Good afternoon, I am simulating a chassis structure, and I want to simulate the posibility that extreme supports can rotate (there is no restriction from wheels, as I send attached the picture. I am thinking into define a node, connect it with the two supports from my chassis, and restrict the dof of the node (X and Y displacements and X and Y rotations in one side, and Y displacements and X and Y rotations on the other side). How can I do that in Simlab? Thanks in advance. Note: X and Y are included on the plane of the drawing.
6. RBE3 elements and boundary conditions

Good afternoon, I am simulating a chassis structure, and I want to simulate the posibility that extreme supports can rotate (there is no restriction from wheels, as I send attached the picture. I am thinking into define a node, connect it with the two supports from my chassis, and restrict the dof of the node (X and Y displacements and X and Y rotations in one side, and Y displacements and X and Y rotations on the other side). How can I do that in Simlab? Thanks in advance. Note: X and Y are included on the plane of the drawing.
7. Mesh convergence Study with Simlab

Hello, I am very interested on the convergence study option. Could you please share the information, as you comented on the previous message? Regards

Hello Koushik, Thank you for your reply. I preffer the first option, and I want to know if I need to count the total number of nodes on the surface. On the other hand, how can I create the RBE3 element?
9. PROPERTY OPTION DEFINITION (THICKNESS) IN MIDSURFACE COMMAND

Thank you very much. It is just what I want.
10. PROPERTY OPTION DEFINITION (THICKNESS) IN MIDSURFACE COMMAND

Hello Koushik, Thanks for your response. I am analyzing a structure (beams and columns), and I transform to shell elements because the model is so big and my computer doesn't calculate... What I want to know if is possible to create automatically the property with the thickness of the profile when you transform the solid into a shell, because it is very useful when you have a model with a lot of beams, such as my situation: other softwares do that. Thanks in advance.
11. PROPERTY OPTION DEFINITION (THICKNESS) IN MIDSURFACE COMMAND

Good morning friends, When a solid is converted to shells by the Midsurfaces command, I want to know about the posibility that automatically Hyperworks defines the properties of the new shells created with the value of the thickness equal to the solid thickness. Thanks in advance.

Hello, I try to define in Hyperworks the total load applied to a face on a 3d model. ¿How can I do that? Thank you very much.
13. Total load definition on surface

Hello friends, I need to apply a load on a surface. I know the value of the total load to be distributed. Do you know a way to define that total load? I don´t want to calculate the area of the surface and apply the equivalent pressure. Thanks in advance.
14. Hyperworks 2019 - Autocontact

Hello Hyperman, Thank you very much for your quick reply, but I can't find the Auto-Contact option on the Hyperworks 2019 (what you say is for Hypermesh). Anyway, I can't find the Auto-Contact option nor on the Utility Brower nor on the BC/Create/Autocontact as stated on the pdf link that you sent me. Also, when I go to Tools/Contact Browser, I can't find the AutoContact option. Could you please tell me how I can proceed? Thank you very much.
15. Automatic recognition of contact surfaces

Thank you very much for your good response. I have defined a model, but now I have the next error and I can't continue with simulation: ************************************************************************ Errors reported during program execution hwsolver.mesg output from the solver: ============================== *** PROGRAM STOPPED: ERRORS DURING ELEMENT QUALITY CHECK. 1- I want to check the elements that give me this error. How can I find them? 2- Also I want to know about the posibility to undo these checks: If I know that the interest region is meshed with good quality, is it possible in Simlab to undo this? Thank you.
16. Hyperworks 2019 - Autocontact

Hello, I have an assembly with multiple contacts, and I want to automatize this task (definition of bonded contacts). Anybody could help me to know how is it implemented on Hyperworks 2019? Thank you.
17. Automatic recognition of contact surfaces

Hello, I am performing a structural simulation in Simlab. I have imported the CAD model and created the mesh. But it is an assembly, and I have to define the contacts between parts. Is there in Simlab a command to automatize this task? For example when you import in Simsolid it recognizes contacts automatically and show them. All contacts in my model are bonded contacts, how can I define it? Regards.
18. Plastic analysis - history results

Hello Ken, Thank you very much for your response. It would be a good implementation in future, because in a lot of applications it is necessary to know with the objective to determine aditional parameters of the analysis such as ductility.
19. Plastic analysis - history results

Hello friends, I am performing a material non-linear analysis, and I want to represent the force-displacement curva (typical in bolted connections). Is it possible to obtain from Simsolid internal points from different calculation steps? Thank you very much. Regards, JJJ
20. Mistake when importing an input file (*.inp) from Abaqus

Hello Livil Lyle, Good morning, sorry for the delay to answer but I have been very busy this time. Could you please tell me how I can view the odb results in Hyperview? Thank you.

22. Modelling of creep effect:

Dear Hyperman, Thank you very much for your response. Do you know about any tutorial for the implementation of the Bailey-Norton law? Thank you, regards.
23. Modelling of creep effect:

Good morning friends, I have to develop the analysis of a structure submited to constant loads and temperature, and I want to estimate its life. I want to know how to perform this type of analysis by Radioss (I think this is the best software in Altair to do that), and I w.ant to consider the Bailey-Norton law. Also I want to know the possibility to expose some of the parts to higher temperatures during the time. Thank you very much for your attention.
24. ERROR No PWELD properties exist in the bulk data.

Dear collages, I am running a model with PBEAM elements, and I have the previous error. What can I do? Thank you in advance. *** ERROR # 2372 *** No PWELD properties exist in the bulk data. *** ERROR 14: Missing property # 9 referenced by CWELD # 38276. *** ERROR 14: Missing property # 9 referenced by CWELD # 38277.
25. PERSONAL WORKSTATION - TOPICS TO ADQUIRE

Dear collages, I am goin to adquire a new personal workstation. My Altair license is the most basic (1-4 cores). I want to know if somebody could help me to take the decision to buy the computer with the best quality/prize relationship. As I have the possibility to use it until 4 cores, nowadays a lot of processors have more cores (usually 6), so I think that I haven't to anlyze this. But what I want to know also is about the posibility to use the GPU as processor. In which situations is possible to use it on processing? Is it possible to use simultaneously the CPU and the GPU? How I could compare the capabilities from CPU and GPU? In some information in internet say that the GPU could "help" to CPU to do the calculations. Which is better, a GTX or a QUADRO GPU? Thank you very much for your attention. Regards, JJJ
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