Mechanical Design, Optimization and Reliability in Mechanical and Structural Design, Finite Element methods, Structural Dynamics.RESEARCH/SPECIALIZATION:1. Multi-objective optimization.2. Uncertainty models in engineering analysis, design and optimization.3. Reliability based design.4. Finite element and meshfree methods.5. Optimization and reliability of renewable energy systems.BOOKS PUBLISHED:The Finite Element Method for Engineers, 5e, Elsevier, 2010; Mechanical Vibrations, 6th Edition, Pearson, 2016; Engineering Optimization Theory and Practice, 4th Edition, Wiley, 2009; Reliability Engineering, 1st Edition, Pearson, 2014