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Can you be more clear. You have two solids that you want to assembly mesh. Are the two solids in different groups? You could hide one of the solids and go to Tools--FEM---Node--Associate--Solid--Apply in List A and add to group. Then select elements associated with these nodes typing 'lista' in...

Please explan your problem in more detail. What do you mean exactly by using rivets? Do you want to represent them in the fuselage or want to simulate them? Harry

Refine slave mesh much more than master

Did you try the initial stress command in ANSYS?

copy from manual to notepad. Save file with .inp extension. Make sure its not txt extension and then open it in abaqus using import.

Contact is going through. Equilibrium is a more difficult issue. Did you try much more refined mesh? Also, if contact is going through dont use Contact Damping instead use *Static, Stabilize. It sometimes might help achieve equilibrium. Yes, look into the quasistatic analysis section in...

In increment three look at the message file. Is abaqus cutting back because it cannot resolve contact? maybe severe discontinuity iterations? or it can resolve contact but cant achieve equilibirum? you could try and put some damping in step three either for the contact or just for the step and...

ANSYS has a coupld of examples. But basically after you model your workpiece and electrode you will either apply voltage at the electrode areas or current at some nodes. You will mainly need the thermal conductivity and electrical resistivity of the two materials. This might be a function of...

The problem is involved. If you are interested in the joule heat and want to simulate as closeley then thermoelectric analysis would be appropriate. In this you can either apply voltage or current at the nodes which will result in heating. I think you might also need to consider element birth...

I have done some coupled field thermoelectic analysis with applied voltage instead of current. If you describe your problem I could try and help you if I can harry

try the following command in the the command line editor in CAE >>> m = mdb.models['Model-1'].setValues(noPartsInputFile=ON) (assuming 'Model-1' is your model name) harry

Or you could do a combined analysis. Input the non-linear material stress strain curve for the material. First step cold form it and second step apply additional loads. harry

I dont know specifically about the problem but there is an example of superelastic forging in the abaqus examples manual. harry

True, You should have NLGEOM. I dont know if this will help as much because a rigid body simplifies the analysis-- you might want to try doing the analysis with a deformable body in pkace of the rigid body but put the stiffness of the body really high. harry

Hi, There is a similar problem of a rigid cylinder contacting a foam surface in manual. Take a look at that. Try using a small amount of friction. In some problems that I have done, it converged better with friction!!. Also maybe start with just the elastic material first and see if it converges...

Look in the Multiphysics section of ansys manual. Thermal structural analysis. They have nice GUI and batch examples there. harry

Yes, refining the mesh is a good idea. You may also want to try *Static,stabilize. This puts on some viscous damping and might be useful here. harry

Glue the volumes together before you mesh them. that should take care of your problem

Hi Emile, I will send you the paper. However, please note that I have submitted the paper and it is not yet published. The paper should make most of your heat transfer questions clear. If not drop me a line. harry

Hi Emile, You said that the gap between the bottom surface of the structure and the substrate is 20 microns. Then, that changes the BC's drastically. In this case, there will be three modes of heat transfer: 1. Conduction- This will not occur through the air now since the gap is not as low as 2...