While creating analytical fields using expressions in Abaqus, what will the unit of theta if we use trigonomtetric function?

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Mounir Hamid

the unit of this expression will be in radian think of tan Y/X without unity and the reciprocal function will be in radian in International System

Victor J. Аdlucky

Abaqus uses Python, where atan(x) returns the arc tangent of x in radians. Also note, that cos(2*atan(Y/X))=(X^2-Y^2)/(X^2+Y^2).

Shins Karthikeyan

Thank you Victor J. Аdlucky and Mounir Hamid .