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re are, respectively. 800 -800 -800 2400 -1600 kips 1600 4000

re are, respectively. 800 -800 -800 2400 -1600 kips 1600 4000

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter11: Heat Transfer By Radiation
Section: Chapter Questions
Problem 11.12P
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Equation 10.76 is : C =a0M+ a1 K

10.10 A three-story building is modeled as shown in Fig. P10.10. The stiffness matrix and the mass matrix for the structure are, respectively, 800 -800 K = -800 2400 –1600 kips/in., 0 -1600 4000 1007 M =|0 20 kip-sec'/in. Lo0 2
Transcribed Image Text:10.10 A three-story building is modeled as shown in Fig. P10.10. The stiffness matrix and the mass matrix for the structure are, respectively, 800 -800 K = -800 2400 –1600 kips/in., 0 -1600 4000 1007 M =|0 20 kip-sec'/in. Lo0 2
(a) Determine the Rayleigh damping coefficients a, and a, in Eq. 10.76 such that the 3-DOF system has damping factors = 52 = 0.01 in its first two modes. (b) What is the resulting value of the damping factor č, of the third mode? m = 1 kip-sec²in. k = 800 kips/in. m2 = 2 k2 = 1600 kips/in. m3 = 2 k3 = 2400 kips/in. Figure P10.10
Transcribed Image Text:(a) Determine the Rayleigh damping coefficients a, and a, in Eq. 10.76 such that the 3-DOF system has damping factors = 52 = 0.01 in its first two modes. (b) What is the resulting value of the damping factor č, of the third mode? m = 1 kip-sec²in. k = 800 kips/in. m2 = 2 k2 = 1600 kips/in. m3 = 2 k3 = 2400 kips/in. Figure P10.10
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