Moving reference for a stiffnessmatrix

celm

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Feb 27, 2017
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Hello!

I have calcualted the stiffness matrix for a system. The problem is that the program i use dont have the same reference system as what i used when i calcualted the matrix, thus i need to write the stiffnessmatrix in another reference system. Can anyone help?

There are no rotations only translation in x-direction.

Thanks§
 
Hello!

I have calcualted the stiffness matrix for a system. The problem is that the program i use dont have the same reference system as what i used when i calcualted the matrix, thus i need to write the stiffnessmatrix in another reference system. Can anyone help?

There are no rotations only translation in x-direction.

Thanks§
In plane translations with no scaling or rotation are a simple replacement of the co-ordinates by a shifted value, i.e. x would be replaced by x-x0
 
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