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Members of the 2-DOF truss have the cross-sectional areas and lengths as shown. D2 Az 2 Ay L3

Members of the 2-DOF truss have the cross-sectional areas and lengths as shown. D2 Az 2 Ay L3

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Members of the 2-DOF truss have the cross-sectional areas and lengths as shown. D2 A, L Az 2 α Ay L3 Constant E Which of the following 4 stiffness coefficients is INCORRECT? A2 O a. K1=E( + cos² a) L2 O b. K21 E( cos a sin a) A2 L2 O c. K12= –E(2 cos a sin a) L2 O d. K22 A3 A2 sin? a) L2 O e. None of the above.
Transcribed Image Text:Members of the 2-DOF truss have the cross-sectional areas and lengths as shown. D2 A, L Az 2 α Ay L3 Constant E Which of the following 4 stiffness coefficients is INCORRECT? A2 O a. K1=E( + cos² a) L2 O b. K21 E( cos a sin a) A2 L2 O c. K12= –E(2 cos a sin a) L2 O d. K22 A3 A2 sin? a) L2 O e. None of the above.
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