Contact analysis with large rotations of a constant velocity joint.
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The finite element method has been established in industry and science for many years. The basis for use with machine elements is the contact analysis as part of the non-linear finite element calculation. Due to the constant further development of contact analysis and geometrically non-linear analysis, calculations with large relative movements of parts are now also possible. Movements are carried out similarly to an MBS program, with all parts being modeled as completely flexible bodies. This extended use of the simulation with finite elements in combination with the contact analysis is a highly efficient, precise and universally applicable tool with which the product development time can be reduced, costs can be saved and the physical behavior can be significantly improved.
The combination of large part relative movements with the contact analysis enables the solution of a new problem class. Large translations or rotations are realized with completely flexible parts. In doing so, contact partners and contact directions are constantly adapted, following the movements and deformations. In addition to the movements, the results include the deformations and results derived from them, such as stresses. Very precise and detailed contact results for each individual configuration of the parts can also be evaluated. Even plastic material behavior, such as occurs when overstressed, can be taken into account. Efficient methods for contact analysis mean that there is no need to compromise on the fineness of the mesh. Even with fine meshes that promise a high level of accuracy, the computing times are practical.
A constat velocity joint is shown here. First the cv-joint is deflected and then a complete rotation of 360° is simulated with the torque applied. All detailed FE results are available for each part and configuration.
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Nicely done. I would love to have a copy of the cad files, so I can convert them into a 3D printable model. The #1 use would be education, #2 to incorporate into a custom RC vehicle, and #3 to experiment with on a custom desktop CNC project. Are the file available?
Hello, how to get the detailed tutorial and software of this case. Can the analysis of the angle and torque change the same time change?
hello I wanna know what's the connect type of each components? I recently also do analysis of cv joint using COMSOL
nice video! i just want to know, if the CV joint in both axle parallel, will the cage be freedom at any degree place? such as maths 0/0, have unlimited solute? hope see your opinion, thanks!
Thank you for your yeation! The cage can move in any direction. The rotational movements are also free. The other components and the balls clearly determine the position of the cage.