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Hello everyone, I have a question about restart static analysis. I have a 3D model of two parts assembled with bolt and nut. There are contacts (with friction) with interference between all parts. On the contact between nut and part a preload is being simulated (so also an interference). There...

Hi, I try to do an optimization of some easy model in flotran. Problem is that flotran after solution creates FILE.RFO and during every next solution error occures: Error attempting to back up unuseable results file. Check READ/WRITE permission. File.rfo. I checked permission issues in my...

Ok, now I understand it. Thank you for help. Maevius

Ok, that is clear for me. But if I have two glued blocks with common area and I mesh it, put constraints on and some force then during calculations these two blocks are treated as one solid object. And it is so also if I have two blocks added (I checked it). So for calculations it doesn't matter...

Hello, What is the difference between VGLUE and VADD command? I've read Help file and I know that VADD creates new solid volume and VGLUE merges volumes, but maintains their individuality. In both cases newly created volume is treated as one solid volume, so what is the difference between them...

OK, it was just my misunderstending of some text. Thank you.

Hello, What is MIR stabilization in Ansys Flotran? I have read about it in Ansys Help, and I know that it adds a positive value to the diagonal term to graduate a positive diagonal. If MIR is set to 0.1, what value is added to diagonal term: 0.1 or some other value dependent on this 0.1? How to...

Hello I am a new member on this forum and this is ma first post. Sorry, if I do a language mistakes, my english is not pefect. I am also a begginer in CFD (Ansys) and I try to do some analysis for some time, but I don't know if they are done well, besides I get a lot of errors. I have read...