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Hi I want to perform the following multiplication in ANSYS 11.0 multiphysics: {r}^T * {modeshape} where {r}^T is the transposition of the loadvector I've applied gravity loads to a model using the ACEL command. When i do a modal analysis, I'm capable of writing each modeshape into to a...

Hi I've defined a Vector {R} 100x1 and a vector {U} 100x1 in ANSYS using making an array. Then i want to calculate the product {U}^T*{R}. I cant find a command to get the transpose of a vector, but I can define the {U} as 1x100 instead. I have done that but if try to make the multiplication...

Realizing that the modeshapes are normalized to mass by default was very helpfull. Thanks. I addition to this: If you for some reason need to normalize the mode shapes to unity, which I had too, there is a way to. I found out that ANSYS calculates the kinetic energy by E_kin=1/2*[PHI]^T * [M]...

For analysis outside ANSYS i need the Modal marix PHI and the modal stiffness defined by [PHI]^T * [K] * [PHI] the modal mass defined by [PHI]^T * [M] * [PHI] Using substructure and a modal analysis this is easyli done for a simple model by making an output file, and arranging the data in...