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Global and Local Coordinates Systems P

Global and Local Coordinates Systems P - (Because the angle...

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Global and Local Coordinates Systems Each structure has a Global coordinates system, X-Y Each member/segment ij has its own coordinates system, x-y. The x axis is from i to j and the y axis is perpendicular to the x axis. The 90 degrees angle between x and y must be counterclockwise.
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Unformatted text preview: (Because the angle between X and Y is counterclockwise ) Y y1 y2 x1 x2 X Y y2 x1 2k/ft x2 B C y3 18’ 12’ D y1 A X 20’ x3 y2 y3 Y x1 x2 y1 X x3 Global and Local Coordinates Fall 2009 1 Global and Local Coordinates Fall 2009 2...
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Global and Local Coordinates Systems P - (Because the angle...

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