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    • Rahul Ponginan

      Please click here for a short but important announcement   03/26/17

      Dear Users Our Commercial and Academic users around the world can use these same forums here as before i.e. the Altair Support Forum , Commercial users from India with solver queries can go to the Solver Forum for India Commercial Users , Academic Users from India and AOC India Participants are requested to go to the Forum for India Academic Users and AOC India Participants , We will be tending to all queries in all the forums promptly as before, thank you for your understanding. 

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Found 10 results

  1. Load on Rigid body

    How to convert part into Rigid body ? and apply load on rigid body? Regds, Arul
  2. Hi All There's an option to change BC icon size in Hypermesh, but nothing like that for load. Where should I change the load vector size with respect to my model?
  3. Load transfer

    Hi, I have ran a simulation of an assemble but the forces exerted on the model don't seem to tranfer on to other components. The components are connected through spotwelds. I have attached a picture that might explain the problem better. In the picture I have applied SPC BCs at the door hinge and latch. On the outer panel I then applied a high force along the nodes on the center line of the door. As you can see from the picture the forces on the outer panel don't transfer on to the likes of the impact beam. Could anyone advise me on what I should do to fix the problem? Thanks
  4. Importing load from Excel

    Hi everyone am working in Hypermesh(Aerospace) profile, i want to import load from excel which has nodal coordinates(or Element ID) and XYZ component forces . How to do this?? Thanks.
  5. Hello Everyone ! I would like to set up a problem on Hypermesh which include around a hundred load cases (in linear static). To automate it, I found a TCL which "allows a simple template to be created to define the loadcases; useful for creating large numbers of static loadcases very quickly and easily" (link) Thanks to a little VBA, I've just succeed in transforming my Excel data base into a readable txt file for this TCL script. And it works. But my problem is this TCL script only applies my forces (and SPC) on the global system. Is there a solution, and how can modify the TCL script so that it can apply my load cases on a specific local system (expressed into the .txt for each load cases) ? If someone can help me to takle this problem, I will be sooo grateful (Because I've never learnt how to program in TCL) Thanks in advance, Best regards, Hervé Archives.zip
  6. Hey! Is there any way to scale single loads, load collectors or load steps in HyperMesh using Optistruct as the solver? Ich can't really find anything. All I found was "use the LOAD controll card". I found it via 'controll cards -->global_case_control --> Load' but it seems that this one just gives the Loadcas ID.
  7. Hello Everybody, I have a general question. Let's say I have a force of 1000N, which acts on a defined area on my geometry. I have applied this load as a line load on the area but now I am wondering if I am making a mistake not applying the load as a pressure load. Where exactly is the difference? If I know the area, on which the load acts and apply this load as a pressure, it should lead to the same solutions, shouldn't it? I would be very thankful for any help because I am pretty stuck at the moment. Thank you for your help in advance Dean
  8. I have a force vs displacement curve(curve is not linear) .I need to apply force using this curve .How can I acheive it. Kindly suggest me.
  9. Linear Load Distributions

    Hi all, I have been working on a model lately and it can best be described simply as a 2-D flat plate. I've been running some fairly simple tests just to see how the solver deals with loads applied to a system and how changes in these loads affect the end (optimized) result. One test I've wanted to try yet haven't figured out yet is the linear distributed load across the top plate. Thus far I have only used constant distributed loads (Ex: 50 N force across all of the top edge nodes). When searching through these forums and online, I've heard of two ways of going about this. The first is using the "equation" tab inside the force panel. My model is set up in the (x-direction and y-direction) so I'm not entirely sure how the load should be applied as an equation. I've tried a few equations of my own (x, x^2, and 2*x) but haven't had any luck. The second method (which I heard by word of mouth) was to use Excel in a way that accounts for every node one would apply a load to along with the corresponding value of the force at that node. I know much less about the specific process for this one so if anyone has any direction here, that would be fantastic. All and any advice is welcomed and thank you in advance. Please let me know if you need more details about the model if it would better explain the current situation! Dylan Stelzer [:^D]
  10. What Load step to use with a ball joint?

    Short Version I am quite new to FEA and HyperWorks and am modelling a suspension bridge with a distributed load and a ball-joint to connect the vertically running cables to the main cables and deck, but with a Linear Static load step the joints are ignored. Slightly-longer version The bridge I am modelling is the Humber Suspension Bridge found near Kingston upon Hill, England. The model has a distributed force across the top nodes and I have attempted to connect a few vertically running cables to the deck using a ball joint from the Mesh > Create > 1D Elements > Joints menu. The deck and support have been imported from CATIA and then (2D) meshed whilst the cables have been created using lines then line-meshed with a Beam Section. When I attempt to run the analysis with a Linear Static load step the Solver View states the joints are ignored and "MBD cards are present in the data, but there is no MBD sub cases. JOINTs, MBD loads and other MBD cards will be ignored". So I attempt to use a Multi-Body Dynamics load step but I'm not entirely sure what to put in the variables other than my constraints in the SPC. My forces are currently of load type FORCE, should they be MBFRC? Kind Regards