Dana Grecov

Professor and Associate Head of Research & Graduate Studies

BEng (UPB, Romania), PhD (INP Grenoble, France), Postdoctoral Fellowship (McGill University)

Research Interests

• Liquid crystals and nanomaterials
• Cellulose Nanocrystals
• Biofluid Mechanics
• Non-Newtonian Fluid Mechanics
• Computational Fluid Dynamics
• Rheology and Tribology

Current Research Work

• Rheology of liquid crystalline materials
• Modeling and simulation of complex fluid and nanomaterial flows
• Design and characterization of new high performance bio- lubricants
• Modeling and simulation of industrial processes
• Hydrodynamics and rheological characterization of synovial fluid
• Hemodynamics assessment of artificial heart valves

Selected Publications

• Li, Shancheng, Somesh Bhatia, and Dana Grecov. “Reynolds scaling analysis of the Landau–de Gennes equations for nematic liquid crystals.” Physical Review Fluids (2022): 123303.
• Nikzad, Arash, and Dana Grecov. “Dynamics of chiral liquid crystals between cylinders using Landau-de Gennes theory.” Liquid Crystals (2022): 1-16.
• Cau, Massimo F, Nabil Ali-Mohamad, Han Yeh, James R. Baylis, Henry Peng, Han Zhang Gao, Joao Rezende-Neto, Dana Grecov, Nathan J White, Catherine Tenn, Hugh A Semple, Andrew Beckett, Christian J Kastrup. “Percutaneous delivery of self-propelling thrombin-containing powder increases survival from noncompressible truncal hemorrhage in a swine model of coagulopathy and hypothermia.” Journal of Trauma and Acute Care Surgery 93, no. 2S (2022): S86-S93.
• Zakani, Behzad, and Dana Grecov. “Effect of ultrasonic treatment on yield stress of highly concentrated cellulose nano-crystalline (CNC) aqueous suspensions.” Carbohydrate Polymers (2022): 119651.
• Yazdani-Ahmadabadi, Hossein, Demian F. Felix, Kai Yu, Han H. Yeh, Haiming D. Luo, Sara Khoddami, Lily E. Takeuchi, Amal Alzahrani, Srinivas Abbina, Yan Mei, Ladan Fazli, Dana Grecov, Dirk Lange, Jayachandran N Kizhakkedath. “Durable Surfaces from Film-Forming Silver Assemblies for Long-Term Zero Bacterial Adhesion without Toxicity.” ACS Central Science (2022).
• Zakani, Behzad, Hayder Salem, Sohrab Entezami, Ahmad Sedaghat, and Dana Grecov. “Effect of particle concentration on lubrication performance of cellulose nanocrystalline (CNC) water-based lubricants: mixed lubrication regime.” Cellulose 29, no. 7 (2022): 3963-3984.
• Zakani, Behzad, Sohrab Entezami, Dana Grecov, Hayder Salem, and Ahmad Sedaghat. “Effect of ultrasonication on lubrication performance of cellulose nano-crystalline (CNC) suspensions as green lubricants.” Carbohydrate Polymers 282 (2022): 119084.
• Jahandardoost, Mehdi, Dana Grecov, Donald Ricci, Abbas Milani, and York Hsiang. “Development of a New Generation of Neurovascular Devices for the Treatment of Cerebral Bifurcation Aneurysms with the Fusiform Opathology: A Computational Approach.” In Frontiers in Biomedical Devices, vol. 84815, p. V001T01A009. American Society of Mechanical Engineers, 2022.
• Nikzad, Arash, Somesh Bhatia, and Dana Grecov. “Simulations of Graphene Oxide Dispersions as Discotic Nematic Liquid Crystals in Couette Flow Using Ericksen-Leslie (EL) Theory.” Fluids 7, no. 3 (2022): 103.
• Yeh, Han Hung, Kai Yu, Sreeparna Vappala, Manu Thomas Kalathottukaren, Srinivas Abbina, Haiming D. Luo, Dana Grecov, and Jayachandran N. Kizhakkedathu. “Rheological and clot microstructure evaluation of heparin neutralization by UHRA and protamine.” Journal of the Mechanical Behavior of Biomedical Materials 124 (2021): 104851.
• Nikzad, Arash, Abozar Akbari, and Dana Grecov. “Rheological properties of discotic nematic liquid crystals: graphene oxide dispersions study.” Liquid Crystals 48, no. 12 (2021): 1685-1698.
• Jahandardoost, Mehdi, Donlad Ricci, and Dana Grecov. “Development of a new generation of neurovascular device for the treatment of cerebral bifurcation aneurysms.” CMBES Proceedings 44 (2021).
• Yu, Kai, Amal Alzahrani, Sara Khoddami, Demian Ferreira, Kymora B. Scotland, John TJ Cheng, Hossein Yazdani‐Ahmadabadi et al. “Self‐Limiting Mussel Inspired Thin Antifouling Coating with Broad‐Spectrum Resistance to Biofilm Formation to Prevent Catheter‐Associated Infection in Mouse and Porcine Models.” Advanced Healthcare Materials 10, no. 6 (2021): 2001573.
• Zakani, B. and Grecov, D., 2020. Yield stress analysis of cellulose nanocrystalline gels. Cellulose, 27(16), pp.9337-9353.
• B. Zakani, M. Ansari, and D. Grecov, “Rotational rheometry of a fumed silica lubricating grease,” Journal of Tribology 142(3), 2020.
• C. Feng, D. Zhang, D. Grecov, and K. Chen, “Effect of rheological properties of friction-enhancing greases on the friction between friction lining and wire rope,” Tribology International 144, 106143, 2020.
• M. Daneshi, A. Pourzahedi, D.M. Martinez, and D. Grecov, “Characterising wall-slip behaviour of carbopol gels in a fully-developed poiseuille flow,” Journal of Non-Newtonian Fluid Mechanics 269, 65-72, 2019.
• H.H. Yeh, O. Barannyk, D. Grecov, and P. Oshkai, “The influence of hematocrit on the hemodynamics of artificial heart valve using fluid-structure interaction analysis,” Computers in Biology and Medicine 110, 79-92, 2019
• M.J. Shariatzadeh, and D. Grecov, “Aqueous suspensions of cellulose nanocrystals as water-based lubricants,” Cellulose 26(7), 4665-4677, 2019
• A.H. Ahmadi Motlagh, K. Pougatch, A. Maturi, M. Salcudean, J.R. Grace, D. Grecov, and J. McMillan, “CFD study of wet agglomerate growth and breakage in a fluidized bed containing hot silica sand particles with evaporative liquid injection,” Industrial & Engineering Chemistry Research, 2019.
• P. Bhuanantanondh, D. Grecov, and E. Kwok, “Rheological study of viscosupplements and synovial fluid in patients with osteoarthritis,” CMBES Proceedings, 33(1), 2018.
• K. Yu, P. Andruschak, H.H. Yeh, D. Grecov, and J.N. Kizhakkedathu, “Influence of dynamic flow conditions on adsorbed plasma protein corona and surface-induced thrombus generation on antifouling brushes,” Biomaterials, 166, pp.79-95, 2018.
• B. Zakani, M. Ansari, and D. Grecov, “Dynamic rheological properties of a fumed silica grease,” Rheologica Acta, 57(1), pp.83-94, 2018.
• H.H. Yeh, S.W. Rabkin, and D. Grecov, “Hemodynamic assessments of the ascending thoracic aortic aneurysm using fluid-structure interaction approach,” Medical & biological engineering & computing, 56(3), pp.435-451, 2018.
• X. Li, D. Grecov, Z. Guo, and Z. Hou, “Influence of Unsteady and Kinematic Parameters on Aerodynamic Characteristics of a Pitching Airfoil,” Journal of Aerospace Engineering, 32(1), p.04018120, 2018.
• M.F. Bakhsheshi, F. Vixege, and D. Grecov, “Reduction of the Aortic Aneurysm Sac Pressure Using a Stent With Venturi Structure: A Numerical Study,” In 2018 Design of Medical Devices Conference (pp. V001T01A014-V001T01A014). American Society of Mechanical Engineers, 2018.
• A. Nikzad, and D. Grecov, “Numerical Simulations of Nematic Liquid Crystals Flows between Eccentric Cylinders,” 2018.
• M.J. Shariatzadeh, and D. Grecov, “Cellulose Nanocrystals Suspensions as Water-Based Lubricants for Slurry Pump Gland Seals,” 2018.
• H.A. Elemsimit, and D. Grecov, “Utilizing macroscopic rheometry to investigate triglyceride self-assembly,” Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology, 232(7), pp.851-860, 2018.
• L. Xiaohua, Z. Guo, D. Grecov, and Z. Hou, “Efficient reduced-order modeling of unsteady aerodynamics under light dynamic stall conditions,” Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, p.0954410018773628, 2018.
• A. Madkhali, D. Grecov, and E. Kwok, “Rheological and Structural Characterization of Synovial Fluid from Patients with Osteoarthritis,” CMBES Proceedings, 35, 2018.
• B. Zakani, and D. Grecov, “Yield stress analysis of a fumed silica lubricating grease,” Tribology Transactions, 61(6), pp.1131-1140, 2018.
• L. Kumar, K. Pougatch, M. Salcudean, J. Grace, D. Grecov, and J. McMillan, “Population balance modeling for the growth of agglomerates via primary and secondary agglomeration in gas-fluidized beds,” Powder technology, 321, pp.499-513, 2017.
• M. Chernos, D. Grecov, E. Kwok, S. Bebe, O. Babsola, and T. Anastassiades, “Rheological study of hyaluronic acid derivatives,” Biomedical engineering letters, 7(1), pp.17-24, 2017.
• A. Madkhali, M. Chernos, D. Grecov, and E. Kwok, “Osteoarthritic synovial fluid rheology and correlations with protein concentration,” Biorheology, 53(3-4), pp.111-122, 2016.
• H.A. Elemsimit, and D. Grecov, “Non-Newtonian behavior in canola-oil-based bio-hydraulic oil,” Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology, 230(3), pp.257-265, 2016.
• M. Chernos, D. Grecov, T. Anastassiades, and E. Kwok, “Rheological Study of a Novel Viscosupplement,” CMBES Proceedings, 39, 2016.
• A. Madkhali, M. Chernos, S. Fakhraei, D. Grecov, and E. Kwok, “Osteoarthritic synovial fluid and correlations with protein concentration,” Biorheology, 53(3-4), pp.123-136, 2016.
• H.A. Elemsimit, and D. Grecov, “Impact of liquid crystal additives on a canola oil-based bio-lubricant,” Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology, 229(2), pp.126-135, 2015.
• N. Noroozi, D. Grecov, and S. Shafiei-Sabet, “Estimation of viscosity coefficients and rheological functions of nanocrystalline cellulose aqueous suspensions,” Liquid Crystals, vol. 41, no. 1, pp. 56–66, 2014.
• N. Noroozi and D. Grecov, “Numerical simulation of three-dimensional flow-induced microstructure in a simplified prosthetic hip joint with nematic liquid crystal lubricant,” Rheologica Acta, vol. 53, no. 5–6, pp. 457–465, 2014.
• N. Noroozi and D. Grecov, “Numerical simulation of three-dimensional flow-induced microstructure in a simplified prosthetic hip joint with nematic liquid crystal lubricant,” Rheologica Acta, vol. 53, no. 5–6, pp. 457–465, 2014.
• N. Noroozi and D. Grecov, “Flow modelling and rheological characterization of nematic liquid crystals between concentric cylinders,” Liquid Crystals, vol. 40, no. 7, pp. 871–883, 2013.
• P. Bhuanantanondh, D. Grecov, and E. Kwok, “Rheological study of viscosupplements and synovial fluid in patients with osteoarthritis,” J. Med. Biol. Eng, vol. 32, no. 1, pp. 12–16, 2012.

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