Bala Ramachandran

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In spite of many advances in business process simulation technologies, their adoption by the business analyst community has been primarily limited to specialists. We propose a Business Process Transformation Wizard as a capability to bridge this gap. This enables analysts to explore different business process transformation options using Business Process(More)
Modeling and simulation of business processes is a powerful capability for analysis of business solutions in a service-oriented architecture (SOA). In this paper, we describe analysis techniques that are applicable during the design-time and runtime development of business solutions to estimate business process performance. During the design phase, our(More)
This study explores the degree to which GGA, meta-GGA, hybrid GGA, and hybrid meta-GGA functionals of density functional theory (DFT), when used with the 6-31+G(d) basis set, are able to reproduce the MP2/6-31+G(d) structures and energetics of the species involved in the reactions of halomethyllithium carbenoids with ethylene. While many popular DFT(More)
High-speed multicolour photometry is presented for two pulsating subdwarf B stars, KPD 2109+4401 and HS 0039+4302. The observations were obtained using the high-speed multichannel photometer ULTRACAM on the 4.2-m William Herschel Telescope with a sampling interval of 1 and 4 s, respectively, for the two targets. Both targets show multiperiodic oscillations,(More)
We report the thermal rate constant of the O(3 P) + HCl AE OH + Cl reaction calculated from 200 to 3200 K, using new fits to extensive ab initio calculations [B. Ramachandran and K. A. Peterson, J. Chem. Phys. preceding paper]. The rate constants are obtained for both the 3 A " and 3 A' surfaces using exact quantum reactive scattering calculations for(More)
2 ABSTRACT We report ab initio calculations at the MRCI+Q/CBS level of theory for the 3 A″ and 3 A′ electronic states of the O(3 P) + HCl system, where the complete basis set (CBS) energies are obtained by extrapolating MRCI+Q/aug-cc-pVnZ (n = 2, 3, 4) energies. Potential energy surfaces for these electronic states are generated by interpolating these(More)