Stiffness matrix interpretation of the bearing element COMBI214
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I have some doubt about the element COMBI214, i have the radial, axial and tilting stiffness of the bearings which are assembled on my rotor (provided by SKF), i don't know how to convert the radial value of stiffness into the K11,K12,K21 and K22 values that the matrix representation of the COMBI214 element needs.
I also thinked to introduce longitudinal springs to simulate the axial stiffness of the bearings but i still have doubt about how to consider the tilting stiffness of the bearing.
Thank for the attention
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