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Showing results for tags 'interfaces'.
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Can we give CONDUCTION and CONTACT(SLIDE) interfaces simultaneously between the elements of two components?
My question is somehow similar to this one here: I already conducted a simulation with OptiStruct similar to the one shown in the mentioned thread. I understand that possible contact surfaces are only defined in the undeformed state. However, my aim is to obtain a more advanced simulation. Is there a modeling approach that looks for new contact surfaces (within a defined search distance) during the calculation? Here is the hm-file of my test model: cylinder_cube_contact.hm And here a short outline of the model (unit system: N-mm-t-s): cube with edge length = 1 cylinder with diameter as well as length = 1 element size: 0.1 material: E = 210000 NU = 0.3 property card image: PSOLID force on each node = 1 (110 loaded nodes) all nodes at the lower side of the cube are constraint (dof 123456 locked) 2 sets of contact surfaces. one for each component interface card image: CONTACT type: FREEZE slave: cylinder contact surface master: cube contact surface MORIENT: NORM SRCHDIS = 0.01 load step: Linear static with SPC and LOAD analysis type defined
Hi everybody i'm simulating a quarter sphere entering in a tank with water; i modelled the water using SPH elements. between the surface of sphere and particles of water i use a type7 interface. i have tryed two ways: with ISTF=1 i set a STFAC=40000Pa with ISTF=0 i set STFAC=0.1 (it is a scale factor to be multiplied by the young modulus of the sphere material, i have wood with E=14500MPa so by 0.1 it is 1450MPa as interface stifness) it comes out a more larger stifness interface respect the previous one. All the rest of model is the same between the two simulations the simulation with lower STFAC seems to be less viscous than the one with bigger STFAC. I'm i wrong? Dose some know why this is the behaviour of water? What does interest the interface stifness with this kind of behaviour? Thank you to all
Hi all, I am a beginner here. I am trying to create a contact between a tank and its support (an interface). What should I look out for? What parameters will tell me its a good connection or I have made an error. and what kind of checks can I perform before the actual analysis? As of right now, after the interface, when I apply a force on the tank, the contours do not show up on the support even if a increase the load considerably which tells me somoething is not right with the connection between the two parts. I import the tank and support in the same file but as different parts and I then I use solidmap mesh on the two parts separately and equivalence the nodes. Any help would be highly appreciated. Thanks