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- D. S. Sankar, K. Hemalatha
- Applied Mathematics and Computation
- 2007

- Jayavelu Venkatesan, D. S. Sankar, K. Hemalatha, Yazariah Yatim
- J. Applied Mathematics
- 2013

- D. S. Sankar, Ahmad Izani, Md. Habibullah Bin Ismail
- 2009

The pulsatile flow of blood through stenosed arteries is analyzed by assuming the blood as a twofluid model with the suspension of all the erythrocytes in the core region as a non-Newtonian fluid and the plasma in the peripheral layer as a Newtonian fluid. The non-Newtonian fluid in the core region of the artery is assumed as a i Herschel-Bulkley fluid and… (More)

- D. S. Sankar, Joan Goh, Ahmad Izani, Mohamed Y. Ahmed Ismail
- 2010

A computational model is developed to analyze the unsteady flow of blood through stenosed tapered narrow arteries, treating blood as a two-fluid model with the suspension of all the erythrocytes in the core region as Herschel-Bulkley fluid and the plasma in the peripheral layer as Newtonian fluid. The finite difference method is employed to solve the… (More)

Pulsatile flow of blood through mild stenosed narrow arteries is analyzed by treating the blood in the core region as Casson fluid and the plasma in the peripheral layer as Newtonian fluid. Perturbation method is used to solve the coupled implicit system of non-linear differential equations. The expressions for velocity, wall shear stress, plug core radius,… (More)

The pulsatile flow of blood through catheterized arteries is analyzed by treating the blood as a two-fluid model with the suspension of all the erythrocytes in the core region as a non-Newtonian fluid and the plasma in the peripheral layer as a Newtonian fluid. The non-Newtonian fluid in the core region of the artery is represented by i Casson fluid and ii… (More)

- D. S. Sankar, Atulya K. Nagar
- J. Applied Mathematics
- 2012

Pulsatile flow of blood in constricted narrow arteries under periodic body acceleration is analyzed, modeling blood as non-Newtonian fluid models with yield stress such as i Herschel-Bulkley fluid model and ii Casson fluid model. The expressions for various flow quantities obtained by Sankar and Ismail 2010 for Herschel-Bulkley fluid model and Nagarani and… (More)

- D. S. Sankar, Nurul Aini Jaffar, Ahmad Izani Md. Ismail, Atulya K. Nagar
- 2011 Sixth International Conference on Bio…
- 2011

Many physiological system in humans and animals are complex systems. Hemodynamic is a branch of physiology and is a complex system which deals with the study of blood flow in arteries. We study the complex physical system of blood flow in a narrow artery with asymmetric stenos is in the presence of external magnetic field, treating blood as Herschel-Bulkey… (More)

- D. S. Sankar, Atulya K. Nagar, Ahmad Izani Md. Ismail
- 2010 IEEE Fifth International Conference on Bio…
- 2010

The branch of complex system spans over a wide range of areas from physical and technological systems to social and biological systems. Hemodynamics is a branch of physiology and is a complex system which deals with the study of blood flow in arteries. Being a complex physical system, blood flow in a narrow stenosed artery is modeled as a two-phase fluid… (More)

- Vishnu Sukumari Nath, Vinayaka Mahabaleswar Hegde, +4 authors D. S. Sankar
- Phytoparasitica
- 2014

The oomycetous fungus Phytophthora colocasiae that causes taro leaf blight is one of the most devastating diseases of taro and is widely distributed in India. A combination of morphological (colony morphology, mating type, pathogenicity, metalaxyl sensitivity) and molecular techniques (rDNA ITS sequencing and Start codon targeted polymorphism, ScoT… (More)