IT Engineering

A.K.Gupta has mainly promoted the Company, a dynamic person, who has obtained a high level of academic excellence. He has done the following research in Structural Engineering from the prestigious University of Wales College of Cardiff (UWCC), Cardiff, UK after obtaining B. E. Degree.

Finite Element Analysis (Exact & Dynamic)
In June 1992 he presented a technical paper as modal representation of flexible structure by continuum methods at 2nd European Space Agency at ESTEC, Noordwijk, The Netherlands. He along with Dr. W. P. Howson wrote the following papers/articles which were published in “The journal of Sound and Vibration”, London, UK. These researches are based on the algorithm postulated by W.H.Wittrick and F.W. William in 1970. This was published in Quarterly Journal of Mechanics and Applied Mathematics, Vol. xxiv part 3, August 1971 “A General Algorithm for Computing Natural Frequencies of Elastic Structure”.

	“The Exact natural frequencies of plane structures Composed of Slender Elastic Curved members”.
	“Some Techniques for determining the clamped member contribution in the Wittrick- William’s root finder algorithms”.

These researches have dealt with the unique symbolic solutions of finding out the natural frequencies of the curved structures while their ends clamped or when their nodal displacements are zero but the member is still vibrating. This can be exemplified by a bridge which is symmetric about a vertical line through B, consists of two rigidly connected arch member which are supported on a pin/roller at B and clamped to foundation at A and C. Since the structure is symmetric, the modes of vibration will be either symmetric or anti-symmetric about B. It can be argued very simply that a symmetric mode necessitates zero displacement at B, with the result that the nodal displacement vector would be zero. Thus the requirement for a natural frequency is satisfied in such cases by the condition that ‘nodal displacement is zero’ rather than more usual the ‘stiffness matrix is zero’. In fact stiffness matrix becomes infinite at such natural frequencies, with the consequence that they would be missed by traditional methods of determinant tracking which only seeks ‘stiffness matrix is zero’. Moreover, even if analyst was to intervene in what is

likely to be an automated process, the occurrence of stiffness matrix becoming infinite would not necessarily alert him to the danger that natural frequencies were being missed, since it is quite common for stiffness matrix to change sign through infinity at frequencies which do not correspond to natural frequencies of the structure. EarthQuake Engineering is related with this, as missing any natural frequencies can be dangerous to any structure. When any structure vibrating at a frequency which matches with its natural frequency ‘resonance’ occurs. Under such circumstances the structure has a chance to collapse. Therefore the study of natural frequencies of any vital structure is mandatory before the designs are finalized. Dr.Gupta also has plans to work towards the earthquake engineering compliant solution and applications development.

ACES (Aspect of Civil Engineering and Structures)
Today, Mr.Gupta has excelled himself in developing the engineering software related to development and control of infrastructure including Railways & Highways. Therefore, we decided to put ACES as our main business activity. With the stress on infrastructure development in all developing countries, ACES is destined to achieve high growth and profits. The uniqueness in our approach is based on the complete engineering solution not merely selling the software. This may include the complete project management & supervision.Technical background and features of the software are given below.

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