Analysis for Sandwich Steel Structures for Effecting Light Weight Design While Addressing Mechanical Strength

Jadhav et al., International Journal of Advanced Engineering Research and Studies

E-ISSN2249–8974

Review Article

ANALYSIS FOR SANDWICH STEEL STRUCTURES FOR EFFECTING LIGHT WEIGHT DESIGN WHILE ADDRESSING MECHANICAL STRENGTH

1

Suraj Dnyaneshwar Jadhav, 2Swapnil S. Kulkarni

B.E. Mechanical, JSPM’s Jaywantrao Sawant College of Engineering, Hadapsar. Pune 2 Director-Able Technologies India Pvt. Ltd., Pune they strongly affect the results of the finite element INTRODUCTION analysis. Appropriate boundary conditions and The use of sandwich composite structures in loading situation are identified along with the aeronautics and astronautics engineering is material properties. increasing. The effects of low velocity impact of a Typical CAE software to be used for Analysis would foreign object on the facings is one of the major be any of the following: ANSYS/ NASTRAN/ MSC concerns in the use of sandwich composites as it FATIGUE/ABAQUS/ OPTISTRUCT/LS DYNA/ or often causes significant local stiffness reductions and suitable. stability performance of the structure. Damage modes and mechanisms of such sandwich structures have EXPERIMENTATION Fabrication (Welding) to be carried out for the characteristics substantially different from proposed variants. Prototypes with the given ‘form’ conventional laminated composite structures. It is and ‘thickness’ to be generated. The length or height difficult to predict their integrality and overall or number of layers could be suitably determined performance, especially when structural degradation considering feasibility of the prototyping exercise and damage propagation occur. The purpose of this and/or testing. Typically, a UTM (Universal Testing paper is to perform progressive failure analysis of Machine) can be employed for Compressive (or sandwich composites subjected to quasi-static Tensile/ Shear/ Torsion) testing for the prototypes. loading condition, in order to predict the damage The testing loads to be applied as...