ANNEXURE 1: MAJOR RESEARCH AND DEVELOPMENT ACTIVITIES

1. CONCEPTS, THEORIES AND TECHNIQUES
a) Iterative Hybrid Schemes for Practical vibrations Analysis  1968 
b) Finite Element Formulations based on Continuum Methods for Statics Dynamics and Stability:  1969
    Modified Rayleigh-Ritz FEM                               Galerkin FEM 
    Least Squares FEM                                            Collocation FEM 
c) Methods of Assessing / Controlling Errors in Approximate Analysis  1972
d) Theories of Unstable Crack Extensions (in the realm of LERM)  1980
e) Modular Grid Concept : (Application of Load Diffusion Principles in Discretisation) 1982
f) New Theoretical Models for Vehicles Structural System  1989
g) Methods of Flat Pattern Development  1990
h) Principal of Quasi Work(PQW) and Computer Aided Model Based Design (CAMBD) Systems  1992-96
 
2. INTERPRETATION AND PREDICTIONS OF OBSERVED STRUCTURAL PHENOMENA 
a) Complicated Nodal Pattern of Transverse Bending Modes in Circular Plate Vibrations 1966
b) Stress Distributions in the MI-8 Helicopter Rotor Blades 1979
c) Crack Trajectories 1980
d) Parametric Control of Bar Shearing Process
e) Verification of Vehicle Structural Models through Full-scale Experiments (involving Design, Development, Instrumentation and Commissioning of Vehicle Test Rigs at Vehicle Research and  Development Establishment, VRDE, Ahmednagar) 1990-95
    
   
3. COMPUTER AIDED ANALYSIS, DESIGN AND MODELLING ACTIVITIES 
a) Micro-Mechanical Models for Evaluation of Elastic Module, Creep Compliances and Impact 
    Damage of FRP
1975 
 
b) Stress and Deflection Analysis of Multi-layered Composite Plates and FRP laminates with 
    Cut-outs, Interference-fits, Graded Reinforcements Subjected to in-plane and transverse 
    bending loads
1975-79 
 
 
c) Interactive Graphics System for Semi-automatic Finite Element Modelling Pertinent to 
    Computational Fracture Mechanics and Design of Composites Plates.
1980 
 
d) Pranam Element Numbering (PEN) Algorithm for Simultaneous Band Width and Front Width Minimization 1985 
 
e) Micro CAD Systems for Analysis, Design and Instruction 1985-92
     1. FEM sys.-1 (Finite Element System-1) 1990-91
     2. SASMIC-1 (A continuum based I-D Structural Analysis System for Micro Computers) 1988
     3. Micro CAD package for Closed  Multi-Cell Thin Walled Beams (TWB) 1990
     4. PC Based Design of Mechanical components 1990
     5. Instructional package for Software System Design 1987-92
     6. Interactive Tutorials for: 1987-92
               (a) GENERALIZED COORDINATES        (b) CODE DESIGN
               (c) ASSEMBLY TECHNIQUE                   (d) SYMMETRY 
               (e) INPUT SYSTEM                                   (f) MODEL DESIGNER 
(f) Vehicle Design Modifications and Development of General Purpose Software for Ground 
       Wheel Reaction Computations
1989-93
 
4.  SOFTWARE DEVELOPMENT FOR COMPUTER AIDED / INTEGRATED MANUFACTURING 

a) Computer Aided Flat PAttern Development (CAFPAD), package, for Aeronautical Development Agency (ADA)., Min. of

    Defense, Govt. of India

1991-93
b) Computer Integrated Flattening PACkage (CIFPAC), for ADA., Min. of Defense, Govt. of India 1991-93
c) Gita Flat Pattern Development (GFPD) packages: GFPD-f, GFPD-I, GFPD-II, GFPD-III, GFPD Optimiser. 2000-04

5.  EDUCATIONAL TECHNOLOGY 
a)  Development of Novel Methods for CAI and Testing: Engineering and Structural Mechanics Concepts  
     Computer Oriented Structural Modelling Methods for Analysis and Design., New Methods of Faculty Assement.

b) Schemes of introduction to: Design of Experiments, Rigs and Scaled Models 

    A Monograph entitled, Foundations of Finite Element and Modelling Methods was released in April 2000 and is being developed into a book on "Foundations of Modelling Methods for Mechanics of Solids and Structures" incorporating model solutions of approximately 30 years of papers set on the above topics by the author.