Patents
N.Tiwari, Method and system for improving temporal resolution of particle image velocimetry measurements, IN588662 B1, 07-05-2026 , granted
Journals
Neetu Tiwari, Ajit Kumar Dubey, Efficient Time-Resolved Pressure Estimation by Sparse Sensor Optimization and Non-Time-Resolved PIV, arXiv preprint arXiv:2512.14103 (2025)
Intesaaf Ashraf, Neetu Tiwari, Stephane Dorbolo, Wake dynamics of a square cylinder while moving upward in quiescent water , Physics of Fluids , 37, 12 (2025)
N. Tiwari, Time resolution improvement of ultrasonic velocity profiler for flow over cylinder using EPOD method with optimally placed time-resolved sensors. Experiments in Fluids 65, 159 (2024)
N. Tiwari, Ultrasonic velocity profiler placement for flow over cylinder based on determinant greedy line selection method, Experiments in Fluids 64, 119 (2023). https://doi.org/10.1007/s00348-023-03661-4 (Springer, IF=2.797)
N. Tiwari, K. Uchida, R. Inoba, Y. Saito, K. Asai, Taku Nonomura, Simultaneous measurement of pressure and temperature on the same surface by sensitive paints using the sensor selection method, Experiments in Fluids 63, 171 (2022). (Springer, IF=2.797) https://doi.org/10.1007/s00348-022-03501-x
N. Tiwari, Y. Murai, Ultrasonic velocity profiler applied to explore viscosity- pressure fields and their coupling in shear-thinning vortex streets, Experiments in Fluids 62, 185 (2021). (Springer, IF=2.797) https://doi.org/10.1007/s00348-021-03257-w
N. Tiwari, Y. Tasaka, Y. Murai, PIV-based estimation of viscosity and pressure fields for a steady pseudoplastic flow, Flow Measurement and Instrumentation, Volume 77, 2021, 101852, ISSN 0955-5986 https://doi.org/10.1016/j.flowmeasinst.2020.101852
N. Tiwari, Y. Tasaka, Y. Murai, Pressure field estimation from ultrasound Doppler velocity profiler for vortex-shedding flows, Flow Measurement and Instrumentation, Vol. 67, pp. 23-32 (2019). https://doi.org/10.1016/j.flowmeasinst.2019.03.009
Y. Mitobe, K. Watanabe, H. Tanaka, N. Tiwari, Y. Watanabe, Numerical experiments on effect of river mouth morphology on Tsunami behavior in rivers, Coastal Engineering Journal, 60, 4, 516-531(2018). https://doi.org/10.1080/21664250.2018.1531815
Y. Mitobe, N. Tiwari, K. Watanabe, H. Tanaka, Y. Watanabe, Numerical simulation of tsunami river runup by simultaneous coupling method, Journal of Japan Society of Civil Engineers, B2, 72(2) I_259-I_264, (2016). https://doi.org/10.2208/kaigan.72.I_259
Y. Mitobe, K. Watanabe, H. Tanaka, N. Tiwari, Y. Watanabe, Numerical experiment on water level change in river with different magnitude of tsunamis, Journal of Japan Society of Civil Engineers, B2, 72(2) I_271-I_276, (2016) https://doi.org/10.2208/kaigan.72.I_271
International Conferences
1. N.Tiwari, T. Nonomura, Improvement Of Time Resolution Of Schlieren Measurement In Supersonic Jet Flow By Data Driven Method, 21st International Symposium on Applications of Laser and Imaging Techniques to Fluid Mechanics, July, 2024
2. N. Tiwari, Integration of time-resolved sensors and line measurements to improve the time resolution of the Ultrasonic Velocity Profiler based on data-driven technique, 14th International Symposium on Ultrasonic Doppler Methods for Fluid Mechanics and Fluid Engineering, Kobe, Japan (23.-25. October 2023
3. N. Tiwari, Data-Driven based pressure field estimation from PIV measurement and time resolved optimized sensors, The 9th International and 49th National conference of Fluid Mechanics and Fluid Power (FMFP-2022), December 14-16, 2022, Roorkee, Uttarakhand, India
4. B. Shamnani, A. Jaiswal, Bhavna M, M. Goel, M. Shukla, N. Tiwari and Ajit Kumar Dubey, Temporal Interpolation of flow fields for knocking combustion using CNN, The 9th International and 49th National conference of Fluid Mechanics and Fluid Power (FMFP-2022), December 14-16, 2022, Roorkee, Uttarakhand, India
5. N. Tiwari, Y. Ozawa, T. Nonomura, Supersonic jet flow reconstruction by optimized sparse sensors based on sensor selection method, Eighteenth International Conference on Flow Dynamics, October 27 - 29, 2021, Sendai, Miyagi, Japan
6. N. Tiwari, Y. Murai, Ultrasound velocity profiling-based viscosity and pressure estimation in shear-thinning unsteady flow, International Symposium on Ultrasound Doppler Method for Fluid Mechanics and Fluids Engineering (ISUD-2021), June 13-15, 2021, ETH Zurich, Switzerland (Refereed)
https://www.isud-conference.org/proc/split/ISUD-13/ext_abstract_ISUD13_5.pdf
7. N. Tiwari, Y. Tasaka, Y. Murai, Ultrasonic Doppler Velocity Profiler (UVP) based pressure field estimation in Shear- thinning fluid flows, Seventeenth International Conference on Flow Dynamics, pp. 396, October 28 - 30, 2020, Sendai, Miyagi, Japan
8. N. Tiwari, Y. Murai, Improvement of pressure field estimated from PIV data by irrotational correction schemes based on Helmholtz Vector Decomposition, Seventeenth International Conference on Flow Dynamics, pp. 398, October 28 - 30, 2020, Sendai, Miyagi, Japan
9. N. Tiwari, Y. Tasaka, Y. Murai, Estimation of pressure field in shear thinning fluid flows based on ultrasound velocity profiler applied to vortex shedding flows, Proc. 8th International Symposium on Food Rheology and Structure, ISFRS, pp.62 June 17-19, 2019 Zurich, Switzerland
10. N. Tiwari, Y. Tasaka, Y. Murai, CFD assisted flow visualization for rheological fluids, Proc. 8th ETH-HU Academic Exchange and Cooperative Research (AECoR8), pp.6-6, November 7-9, 2018, Sapporo, Hokkaido, Japan
11. Y. Murai, N. Tiwari, H. J. Park, Y. Tasaka, PIV-based pressure and stress field measurement for non-Newtonian flow fields, Proc. 13th International Symposium on Particle Image Velocimetry – ISPIV July 22-24, 2019 Munich, Germany (Refereed)
https://athene-forschung.unibw.de/doc/129252/129252.pdf
12. H. Tanaka, Y. Mitobe, N. Tiwari, K. Watanabe, Y. Watanabe: A new approach to numerical modeling of tsunami considering unsteady boundary layer development, Proc. of the 3rd International Conference on Coastal Zone Engineering and Management in the Middle East (Arabian Coast 2016, 20-23, Nov), Dubai UAE
13. N. Tiwari, K. Murali, K. Narendran, Numerical simulation for validation of vortex induced oscillation of a rigid cylinder with two degree of freedom, Proceeding of 18th IAHR-APD, 2012, pp.0502, Korea
National conferences
1. N. Tiwari, T. Yoshida, H. J. Park, Y. Tasaka, Y. Murai, A novel Ultrasonic Pressure profiler (UPP) applied for measurement of vortex shedding downstream of cylinder, 46th symposium of flow visualization, Tokyo, Japan, No.039, pp.1- 6(2018.9.14). (Full paper)
2. N. Tiwari, K. Narendran, K. Murali, K. Vinay, V. Sundar, Analysis of cylinder response undergoing VIO by omega arithmetic and numerical methods, National Hydro Conference, IIT Bombay, India on Dec. 7-8, 2012. (Full paper)
3. N. Tiwari, K. Narendran, K. Murali, Comparison of numerically simulated response of cylinder undergoing VIO by measurements, National Hydro Conference, IIT Bombay, India on Dec. 7-8, 2012. (Full paper)