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Hi! I am afraid that I do not understand exactly what is your problem. As I understand your post, you are not sure where to put surface definitions in .inp file. If you are not sure where to put surface definitions in .inp file than try both: (1) my version, where you put surface definition...

Hi Gurbuz88! Did you submit new .inp file (where surface and contact definitions have been added) or did you submit model created in Abaqus? You have to open job manager -> Create -> than choose modified input file as a Source. Can you give us more information about the error? What type of...

Hi Rostamsowlat! I am afraid that I can not answer you because you did not provide enough informations about your model. A lot of things can cause an error when you submit the job. Maybe we will be able to help you if you will give us more informations, for example: 1. Is your model 2D or 3D...

Hi imanjoon! Can you tell me in what exactly does not work? How far are you with your model and what are you trying to simulate? I do not know much about tangential and normal forces in contact, I was not interested in those forces. Kind regards

Hi! 1. I think you must choose element set in MESH MODULE, and name it ERODE. You do not have to define nothing with name SURF1. Just leave this name as it is. 2. When you will create a new job, a pop-up window will be shown with name: CREATE JOB. Under a Name you write any name. In next line...

Hi Luke720 I have never worked with cohesive behavior, but I have done penetration simulation once. I solved the problem of penetration with different initial position of a sphere. Sphere and surface should be initially very close. Later I red something about that problem and that is written...

Hi k1ke! We could be more helpful if you would provide more specific question. Projectile examples in help can be a good start as DanStro suggested (2.1.3 RIGID PROJECTILE IMPACTING ERODING PLATE, 2.1.4 ERODING PROJECTILE IMPACTING ERODING PLATE for Abaqus 6.10-1). However, here is few steps...

Hello everyone! I have to verify a steel structure. I am using FE code Abaqus to calculate forces, moments and stresses. I know how to verify moment stress and normal stress (just calculate maximum stress in members which should not exceed yield strength divided by safety factor - I am using...

Hi! Did you mesh your plate first? I think you should first mesh it in mesh module. Than create set (choose element set as you did) and than choose all elements in plate. This is one thing that could go wrong. But of course there could be many other things. Can you tell me more about your...

Hi! Only ERODE should be defined in Abaqus/CAE. I am not sure if I understand your second question correctly, but anyway, this may help: If you are submitting a job in Abaqus/CAE, then you have to create a new job if you do not want to overwrite already existing files. In Create Job window...

Hi! You don't have to import .inp file back to Abaqus/CAE to submit it. Just do everything as you normally do in Abaqus/CAE (Don't care about orphan mesh because in this step you don't have any orphan mesh. Choose elements you need.) -> THAN create .inp file and edit it. You can submit edited...

Hi barkachary24! General contact is the right way to go. All you have to do is define INTERNAL SURFACE in workpiece. See my latest post, where I described how to do it. I am not modeling machining, but crash test, where projectile is penetrating the target. But I guess there is the same trick...

Another useful tutorialhttp://files.engineering.com/getfile.aspx?folder=ed32750d-ed60-4d38-9183-f7433c266e1d&file=3-contact.pdf

I finally found out a solution of my problem. I guess it is appropriate to share it with you: 1. The main problem when modeling penetration/perforation (impact analysis) or also chip formation (milling, drilling,... analysis) is to define INTERNAL SURFACES. During analysis elements on the...

Sorry if i was not clear enough i modify input file in keyword editor (in Abaqus CAE go to Model -> Edit Keywords). When i write additional lines under *SURFACE keyword and click OK Abaqus gives me message: "New lines may not be added to the following keyword *SURFACE, TYPE=ELEMENT...

Hello everyone! I am modeling impact problem in Abaqus 6.12-1 (CAE). Rigid projectile with known initial velocity should perforate aluminium wall (Johnson-Cook damage model with damage evolution, so elements are deleted when the material fail). Because surface elements fail and are deleted...