10000CE403122101

b) Discuss the development of total flexibility matrix of the structure. (5)
5 a) Analyse the frame shown in Figure 8 by stiffness matrix method. Moment of (15)

inertia for all members are I

50 kN 500

] |

2m 2m 2m

Figure 8
6 a) What is lack of fit? Explain how member forces due to lack of fit is estimated in (6)
stiffness method.

b) Explain the importance of transformation matrices in matrix analysis of (5)
structures. Establish relationship between force and displacement transformation
matrix

c) Generate displacement transformation matrix for the portal frame shown in (4)

Figure 9 for the system coordinates and element coordinates given below.

ಹಾ ಎಎ
டு ൨. [8 |

ந்தி

5m

~

8m ட ६।

Figure 9

PART C
Answer any two full questions, each carries 20 marks.

7 a) Why it is necessary to transform the element stiffness matrix into global (5)

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