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This has burnt me so many times! I hate to say it, but the only way to ensure you dont lose lots of work is to get in the habit of saving in regular intervals. this has carry over benefits when using other software too. I have stopped trusting auto-saving

macPT... good suggestions actually, w/ shells, even in part mode, you can make each shell a different material. I have like over 300 diff. shells, i had to cut it up alot to get it to mesh right. I could model a simple shape, assign it a near-infinite stiffness, and near 0 density. Only...

By shell model, I mean that the entire vehicle frame is modeled with only surfaces...no solids (The actual production model is solid...i made a shell version soley for FEA) It runs analysis just fine. My Q is how to make rigid connections w/in the same part. Oh, SWX didn't like shell models...

I have never had a need for flexible sub-assy's, but if it is still giving you errors, take your piston sub-assy and save it to a unique filename. (Be careful that it doesn't overwrite the new file into any existing docs that are open and referencing it!) Once you have 2 totally different...

Thanks, but that didnt work. I am using a shell model, and apparently Cosmos cannot process a shell model in Assembly mode, it would not let me create a study...it gave a "no solid body to process" error I wonder if there is some way to insert a "rigid bar" or some other simple structure in a part

I have a question with an answer that I cannot find in the CosmosWorks Help. I am trying to apply a rigid connection restraint in a part analysis, rather than an assembly. Any ideas? The specifics. I am doing FEA on a vehicle frame, in which the motor/transmission is used as a stressed...