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B.Sc. B.Ed (RIE, Bhubaneswar)

M.Sc. (NIT Rourkela)

Ph.D. (POSTECH, South Korea)

Dr. Rajni

Associate Professor

Email rajni@jgu.edu.in
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ORCID ID 0000-0002-7187-6363
Key Expertise Computational fluid dynamics, Modeling and Simulation of Partial Differential Equations, Linear and Non-linear equations, Time Series Analysis.

B.Sc. B.Ed (RIE, Bhubaneswar)

M.Sc. (NIT Rourkela)

Ph.D. (POSTECH, South Korea)

Biography

Dr. Rajni is an Associate Professor of Decision Sciences at the Jindal Global Business School, India. She earned a PhD degree from Pohang University of Science and Technology, POSTECH, South Korea in 2017 under the guidance of Professor In Seok Kang. A First Rank holder in Masters in Science (Mathematics) from NIT Rourkela (2010) and a Bachelor in Science and Education from Regional Institute of Education, Bhubaneswar, India (2008). Her doctoral research titled “Ion size effect on electrocapillarity and electroosmotic flow in nanochannels” is based on mathematical modeling of electrolytes in nanochannels. 

Her research interests are Computational fluid dynamics, Modeling and Simulation of Partial Differential Equations, Linear and Non-linear equations, Mathematical Modeling and its application in nanofluidics. 

Her teaching interests are in the field of Decision Sciences. 

At JGBS, she has taught the following courses: Business Mathematics, Business Statistics, Data Analysis and Interpretation, Statistics for Management, Business Calculus and Applications, etc. 

Away from work, she loves to listen to old hindi songs and cook.

Business Maths

Business Statistics

Mathematics for Managers

Data Analysis and Interpretation

Business Calculus and Applications

Time Series Modeling

Advanced Time Series Analytics

Business Forecasting: Principles and Practice

Time Series Modeling with R

Managing Information Technology for Business

Statistics for Management

Statistical Methods for Decision Marking

Institute fellowship in B.Sc B.Ed, RIE Bhubaneswar, India(2004-2008).

First rank in M.Sc in Mathematics, NIT Rourkela, India (2010).

Graduate student fellowship in Ph.D, POSTECH, South Korea.

D. Sardana, P. Kumar, and Rajni, CMIP6 model evaluation for sea surface height responses to ENSO. Clim Dyn 62, 1829–1847 (2024).

D. Sardana, P. Kumar, and Rajni, Influence of climate variability modes over wind-sea and swell generated wave energy, Ocean Engg, Vol. 291, 116471 (2024).

P. Priya, P. Kumar and Rajni, Mathematical modelling of arbitrary shaped domain based on dual reciprocity boundary element method with variable bathymetry, Ocean Engg, Vol. 308, 118366 (2024).

A. Yadav, P. Kumar, P. K. Bhaskaran, Y. Hisaki and Rajni, Evaluation of ocean wave power utilizing COWCLIP 2.0 datasets: a CMIP5 model assessment. Clim Dyn (2024).

P. Kumar, A. Yadav, D. Sardana, R. Prasad and Rajni, Extreme wave height response to climate modes and its association with tropical cyclones over the Indo-Pacific Ocean, Ocean Engg, Vol. 296, 116789 (2024).

Rajni, T. Banerjee and P. Kumar, Forecasting of renewable energy production in United States: An ARIMA based time series analysis, AIP Conf. Proc. 3010, 030014 (2024).

D. Sardana, P. Kumar, P. Priya and Rajni, Mean and extreme wave power using ERA5: A global analysis, AIP Conf. Proc. 3010, 030017 (2024).

Rajni, Forecasting Solar Energy Production in the United States using Time Series Analysis, International Conference on Precision Engineering and Sustainable Manufacturing (PRESM) 2024, Busan, South Korea.

Rajni, Time series analysis of precipitation pattern in the state of Odisha, International Conference on Management Research (ICMR) 2024, KSOM, Bhubaneswar, India.

P. Priya, P. Kumar and Rajni, Mathematical modeling of nonlinear pressure drops in arbitrarily shaped port utilizing dual boundary element method, Ocean Engg, 275, 114154, (2023).

P. Priya, P. Kumar, Gulshan and Rajni, Mathematical Modeling of Moored Ship Motion in Arbitrary Harbor utilizing the Porous Breakwater, China Ocean Engg, 37, 738–752 (2023).

D. Sardana, P. Kumar, P. Priya and Rajni, "Wave Power Energy Trend Over the Indian Ocean during Monsoon Season," 2023 International Conference on Advanced & Global Engineering Challenges (AGEC), Surampalem, Kakinada, India, 2023, pp. 1-4.

P. Priya, P. Kumar, D. Sardana and Rajni, "Spectral Wave Energy of Tsunami Waves Over the Visakhapatnam Port," 2023 International Conference on Advanced & Global Engineering Challenges (AGEC), Surampalem, Kakinada, India, 2023, pp. 107-111.

P. Priya, P. Kumar and Rajni, Simulation of moored ship motion in Pohang New Harbor under resonance conditions using 3-D boundary element method, AIP Conf. Proc. 2735, 040026 (2023).

Rupali, P. Kumar, and Rajni, Spectral wave analysis of multidirectional incident waves in the Paradip Port, AIP Conf. Proc. 2735, 040027 (2023).

P. Priya, P. Kumar and Rajni, Wave Spectral Analysis of Visakhapatnam Port Under the Resonance Conditions, Advances in Transdisciplinary Engineering, Volume 32: Recent Developments in Electronics and Communication Systems, 2023. Rajni and T. Kumar, Forecasting of COVID-19 Outbreak in India: A Time Series Analysis, Advances in Transdisciplinary Engineering, Volume 32: Recent Developments in Electronics and Communication Systems, 2023.

P. Kumar, P. Priya, and Rajni (2023). Mathematical Modeling for Non-linear Wave Interaction of Submerged Body Using Hybrid Element Method. In: Srinivas, S., Satyanarayana, B., Prakash, J. (eds) Recent Advances in Applied Mathematics and Applications to the Dynamics of Fluid Flows. Lecture Notes in Mechanical Engineering. Springer, Singapore.

Amitesh JK and Rajni, A Time Series Analysis of Solar Energy Production in the United States, 12th International Conference on Environment, Energy and Biotechnology, ICEEB 2023, Jeju Island, South Korea.

S. Kaur, P. Kumar & Rajni, Non-linear periodic long waves based on Boussinesq equation for shallow water waves: A coupled FEM modeling, Ocean Engg, Vol. 245, 110469, (2022).

P. Kumar, D. Sardana, S. Kaur, R. PG, Rajni, & E. Weller, Influence of climate variability on wind-sea and swell wave height extreme over the Indo-Pacific Ocean. Int. J of Climatology, 42(12), 6183–6203, (2022).

D. Sardana, P. Kumar, E. Weller, and Rajni, Seasonal extreme rainfall variability over India and its association with surface air temperature. Theor Appl Climatol, 149, 185–205 (2022).

P. Kumar, P. Priya, & Rajni, Mathematical modelling of Visakhapatnam Port utilizing the porous and non-porous breakwaters with finite depth green function. Ocean Dynamics, 72, 557–576 (2022).

Rajni; 2-Dimensional study of ion size effects on nanoflows. AIP Conference Proceedings 18 March 2022; 2435 (1): 020026.

Rajni, S. Patra; Time series analysis of rainfall for the state of Odisha. AIP Conference Proceedings 18 March 2022; 2435 (1): 020051.

P. Kumar, D. Sardana, Rajni; Mathematical modeling of long waves in an irregular shaped harbor using boundary element method. AIP Conference Proceedings 18 March 2022; 2435 (1): 020016.

P. Priya, P. Kumar, Rupali and Rajni, Wave spectral density in Paradip port utilizing the partial reflecting boundary, Materials Today Proceedings 69(2), 205-209, 2022.

Rupali, P. Kumar, P. Priya, Rajni and R. Bahuguna, Finite element modeling of extreme wave analysis with dissipation in arbitrary shaped domain, Materials Today Proceedings 69(17), 271-275, 2022.

Rajni and T. Banerjee, "A Time Series Analysis of Renewable Energy Production in United States," 2022 5th International Conference on Computational Intelligence and Networks (CINE), Bhubaneswar, India, 2022, pp. 1-5.

Rajni, T. Banerjee and P. Kumar, Forecasting of Renewable Energy Production in United States: An ARIMA Based Time Series Analysis, International Conference on Advances in Civil Engineering 2022 (ICACE 2022), India (Virtual).

Rajni and T. Banerjee, A time series analysis of renewable energy production in United States, 5th International Conference on Computational Intelligence & Networks (CINE 2022), KIIT Bhubaneswar, India (Virtual).

P. Kumar, D. Sardana and Rajni, Regional Sea level changes in the Indian shelf sea and its association with SST anomalies, Regional Studies in Marine Science, Vol. 47, (2021), 101992.

P. Kumar, P. Priya, & Rajni, Boundary Element Modeling of Multiconnected Ocean Basin in Visakhapatnam Port Under the Resonance Conditions. China Ocean Engg 35, 662–675 (2021).

S. Kaur, P. Kumar & Rajni, Mathematical Modelling of Non-Linear Transient Long Waves by using Finite Element Method in an Irregular Shaped Harbor, Mathematical and Computer Modelling of Dynamical Systems, 27:1, 411-428, (2021).

Rupali, P. Kumar and Rajni, Moored ship motion under the resonance conditions with breakwaters: A coupled numerical approach, Ocean Engg, Vol. 241, 110022, (2021).

Gulshan, P. Kumar and Rajni, Moored ship motion analysis in Paradip port under the resonance conditions using 3-D boundary element method. J Mar Sci Technol 25, 1075–1092, (2020).

Rupali, P. Kumar, & Rajni, Spectral wave modeling of tsunami waves in Pohang New Harbor (South Korea) and Paradip Port (India). Ocean Dynamics 70, 1515–1530 (2020).

P. Patel, P. Kumar, Rajni; The numerical solution of Boussinesq equation for shallow water waves. AIP Conference Proceedings 18 March 2020; 2214 (1): 020019.

Gulshan, P. Kumar, Rajni; Analysis of moored ship motions using 3-D boundary element method inside realistic harbor. AIP Conference Proceedings 18 March 2020; 2214 (1): 020003.

Rajni, P. Kumar; Numerical modeling of ion size effect on osmotic pressure in cylindrical nanochannels. AIP Conference Proceedings 18 March 2020; 2214 (1): 020010.

Rajni, S. Patra; Time series analysis of rainfall for the state of Odisha, The 3rd International Conference on Frontiers in Industrial and Applied Mathematics. (FIAM-2020), NIT Jamshedpur (Jharkhand) India.

Rajni; 2-Dimensional study of ion size effects on nanoflows, The 3rd International Conference on Frontiers in Industrial and Applied Mathematics. (FIAM-2020), NIT Jamshedpur (Jharkhand) India (Virtual).

Rajni, P. Kumar; Numerical modeling of ion size effect on osmotic pressure in cylindrical nanochannels, RAMSA-2020, JIIT Noida, India.

Rajni and P. Kumar, Numerical Modeling of Ion-Size Effect on Electroosmotic Flow in Nanochannels, M3PCST-2020, IPEC, Ghaziabad, India.

Rupali, P. Kumar and Rajni, Spectral boundary element modeling of water waves in Pohang New Harbor and Paradip Port. Ocean Engg, Vol. 196, 106765 (2019).

Rajni and P. Kumar, Numerical Modeling of Ion-Size Effect on Electroosmotic Flow in Nanochannels, Proceedings of the Jangjeon Mathematical Society, 22 (2019), No. 1. pp. 193 – 200.

P. Kumar, Rupali, Rajni, Modeling of Wave-Induced Oscillation in Pohang New Harbor by Using Hybrid Finite Element Model. In: Singh V., Gao D., Fischer A. (eds) Advances in Mathematical Methods and High Performance Computing. Advances in Mechanics and Mathematics, vol 41. Springer, Cham (2019).

Rajni, I. S. Kang and J. M. Oh, Universality of steric effects of electrolytes in nanoconfinements, EPL 124 14004 (2018).

Rajni and P. Kumar, Numerical Modeling of Ion-Size Effect on Electroosmotic Flow in Nanochannels, Second International Conference on Modern Mathematical Methods and High Performance Computing in Science and Technology, (M3HPCST 2018), IPEC, Ghaziabad, India.

P. Kumar, Rajni and Rupali, Wave Induced Oscillation in an Irregular Domain by using Hybrid Finite Element Model, Journal of Physics: Conf. Series 1039, 012019 (2018).

Rajni and P. Kumar, Mathematical modeling of influence of ion size effects in an electrolyte in a nanoslit with overlapped EDL, AIP Conference Proceedings 1897, 020005, (2017).

P. Kumar, Gulshan and Rajni, Multidirectional random wave diffraction in a real harbor by using 3-D boundary element method, AIP Conference Proceedings 1897, 020006 (2017).

Rajni and P. Kumar, Mathematical modeling of influence of ion size effects in an electrolyte in a nanoslit with overlapped EDL, RAMSA-2017, JIIT Noida, India.

Rajni, J. M. Oh, and I. S. Kang, Ion size effects on the osmotic pressure and electrocapillarity in a nanoslit: Symmetric and asymmetric ion sizes, Phys. Rev. E, Vol. 93, 063112 (2016).

J. A. Lee, Rajni and I. S. Kang, Analysis of electrowetting of electrolyte solution in a nanochannel with overlapped electric double layer, Proc. of the 2015 KIChE Spring Meeting, Jeju, ICC, Apr. 22-24 (2015).

Rajni, J. A. Lee, I. S. Kang, Osmotic pressure of an electrolyte in a cylindrical nanochannel: steric effect of ions, Proc. of the 2015 KIChE Spring Meeting, Jeju, ICC, Apr. 22-24 (2015).

Rajni, I. S. Kang, Influence of steric effects of Ionic Liquid in a nanochannel- 2 Dimensional Study, Proc. of the 2014 KIChE Spring Meeting, Changwon, CECO, Apr.23-25 (2014).

Rajni, I. S. Kang, Steric effect induced Electrocapillarity of Ionic Liquid in a nanoslit with overlapped EDL, Proc. of the 2013 KIChE Fall Meeting, Daegu, EXCO, Oct. 23-25 (2013).

Rajni, I. S. Kang, Implications of steric effects in an electrolyte in a nanoslit, Proc. of the 2012 KIChE Fall Meeting, Busan, BEXCO, Oct. 24-26 (2012).
Email rajni@jgu.edu.in
ORCID ID 0000-0002-7187-6363
Key Expertise Computational fluid dynamics, Modeling and Simulation of Partial Differential Equations, Linear and Non-linear equations, Time Series Analysis.
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