Fatigue evaluation of a composite railway bridge based
on fracture mechanics.
Ashish Chaudhary, Sushilkumar Kerimani, Vipin Raj K,
Vishwas B C
Btech Aerospace, IIST, Trivandrum, Kerala-695547
This journal paper focuses on the enhanced fatigue assessment o

A Study: Stresses around polygonal hole in an infinite
laminated composite plate.
Vipin Raj K
Student, Thiruvanathapuram, Kerala, 695547, India
This is a report on the journal published in European Journal of Mechanics A/Solids
by Dharmendra S. Sharma. De

Indian Institute of Space Science and Technology
Tutorial 1 (July-Nov 2015)
AE312 Aerospace Structures I
1. For the given matrix and vector
aij
1
= 0
0
1 1
4 2 ,
1 1
1
bj = 0
2
Compute the following quantities: aii ,
aij aij ,
aij ajk ,
aij bj ,
each qua

The vibration of continuous structures
Continuous structures such as beams, rods, cables and plates can be modelled by discrete
mass and stiffness parameters and analysed as multi-degree of freedom systems, but such
a model is not sufficiently accurate fo

Aerospace Structures II ( 4 credits)
Matrix method of Structural Analysis: Flexibility (Revisit Mechanics of Solids) and Stiffness
method
Introduction to Finite Element Method: Weighted Residual (Least Square, Point Collocation,
Galerkin and modified Gale

Indian Institute of Space Science and Technology
Tutorial 3 (July-Nov 2015)
AE312 Aerospace Structures I
1. Consider a prismatic bar hanging under its own weight. The bar has a cross sectional area A and lenght L
with density and g is the accleration due

Demonstration of a Fracture Mechanics Principle.
Sushil Kumar Kerimani, Vipin Raj K
Vishwas B C, Ashish
Btech Aerospace, IIST, Trivandrum, Kerala-695547
We are comparing the effect of center crack and edge crack in a finite plate( here we
take paper). In

Indian Institute of Space Science and Technology
Tutorial 2 (July-Nov 2015)
AE312 Aerospace Structures I
1. If stress at a point P is given by
4
3
6
3 6
10 8
8 18
find magnitude and direction of the stress vector. Also find
then on the plane with normal

Indian Institute of Space Science and Technology
Tutorial 4 (July-Nov 2015)
AE312 Aerospace Structures I
1. Find P using principle of virtual work for the structure shown in figure 1 below.
2. Consider a structure as shown in 2. Determine what force P is