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Circ shear by the offset method

Posted by: Jerry Yanello , E-mail: jerry3425@wyman.com, on April 09, 1997 at 19:00:09:

I am interested in an equation that will give me the
offset needed for a circumferential shear wave
inspection on a cone. I have come up with one but I
am not sure if it is right.

Offset=radius*sin(incidence angle)/cos(cone angle from verticle)

I have also come up with equations for triple indexing
up the cone to maintain the proper offset.

Y=Index*Sin(incidence angle)*cot(cone angle from horizontal)
X=Index*cos(cone angle from the horizontal)
Z=Index*sin(cone angle from the horizontal)

Can anyone verify these equations.

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Comments:
: I am interested in an equation that will give me the : offset needed for a circumferential shear wave : inspection on a cone. I have come up with one but I : am not sure if it is right. : Offset=radius*sin(incidence angle)/cos(cone angle from verticle) : I have also come up with equations for triple indexing : up the cone to maintain the proper offset. : Y=Index*Sin(incidence angle)*cot(cone angle from horizontal) : X=Index*cos(cone angle from the horizontal) : Z=Index*sin(cone angle from the horizontal) : Can anyone verify these equations.

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