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Hello, while modelling a simple calculation for a pretensioned bolt with 1D elements, i got the following problem: In the visualisation you can see, that the 1D element on which the pretension is applied to gets lengthen. (A 'pretension' is applied, but to the wrong direction.) According to the pretension file (.pret) everything seems to be reasonable, even if i add an additional tension load case after the pretension sub. However the contact forces do not. The '1D bolt' i used is a single ROD element , which is connect to the guiding (independent) node of a RBE2 spider of the washer (shell elements) to both sides. I attached a picture where you can see my definition in the Pretension Manager window. I also attached a picture of the property of the ROD element. I read all the infos in the users guide and online-help, but can't find an answer to my question. How can this problem be solved? Do i have to use a special orientation of the pretension section and how is this defined correctly. Please, i need your help!
Hi, I am currently carrying out a 1D beam analysis. My results and the contour on my beam seems patchy and unclear. I have attached the file of the beam and results for you to understand. It is a distributed load of 150N between 32mm-109mm and 222mm-299mm. Could you please tell me how to make the contour line more visible. I have tried to change the range, but it did not make a difference. Thank you, Yousif 1D beam.mvw 1D beam.hm
Hi everyone, What is better approach to connect a 2D shell element to a 1D element? I have a assembly with 3 components, 1 bracket modeled by 2D elements which carries the load, 1 plate modeled by 2D elements likewise, where the bracket is lay and also, shall be interface component between bracket and beam component and 1 beam component modeled by 1D elements where loads and displacements must be transfered. The connection between bracket and plate was modeled by Cbush elements which represents bolts stiffness, therefore, my concern is how can I model the connection between plate and beam to represent a weld? I have attached a picture which it clarifies my problem. The green one is a bracket, red is a plate and magenta is a beam. Thank you, Richard