Search Results - "Patankar, A."

Immersed Methods for Fluid-Structure Interaction by Griffith, Boyce E, Patankar, Neelesh A

“…Fluid-structure interaction is ubiquitous in nature and occurs at all biological scales. Immersed methods provide mathematical and computational frameworks for…”
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Consolidation of Hydrophobic Transition Criteria by Using an Approximate Energy Minimization Approach by Patankar, Neelesh A

“…Recent experimental work has successfully revealed pressure induced transition from Cassie to Wenzel state on rough hydrophobic substrates. Formulas, based on…”
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Mimicking the Lotus Effect:  Influence of Double Roughness Structures and Slender Pillars by Patankar, Neelesh A

“…Surface roughness is known to amplify hydrophobicity. The apparent contact angle of a drop on a rough surface is often modeled using either Wenzel's or…”
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Transition between Superhydrophobic States on Rough Surfaces by Patankar, Neelesh A

“…Surface roughness is known to amplify hydrophobicity. It is observed that, in general, two drop shapes are possible on a given rough surface. These two cases…”
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A DLM immersed boundary method based wave-structure interaction solver for high density ratio multiphase flows by Nangia, Nishant, Patankar, Neelesh A., Bhalla, Amneet Pal Singh

“…In this paper we present a robust immersed boundary (IB) method for high density ratio multiphase flows that is capable of modeling complex wave-structure…”
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On the Modeling of Hydrophobic Contact Angles on Rough Surfaces by Patankar, Neelesh A

“…The apparent contact angle of a drop on a rough surface is often modeled using either Wenzel's or Cassie's formulas. Previous experiments are not conclusive…”
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A robust incompressible Navier-Stokes solver for high density ratio multiphase flows by Nangia, Nishant, Griffith, Boyce E., Patankar, Neelesh A., Bhalla, Amneet Pal Singh

“…This paper presents a robust, adaptive numerical scheme for simulating high density ratio and high shear multiphase flows on locally refined staggered…”
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Frost-free zone on macrotextured surfaces by Yao, Yuehan, 姚岳瀚, Zhao, Tom Y., Machado, Christian, Feldman, Emma, Patankar, Neelesh A., Park, Kyoo-Chul

“…Numerous studies have focused on designing functional surfaces that delay frost formation or reduce ice adhesion. However, solutions to the scientific…”
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Energy efficiency and allometry of movement of swimming and flying animals by Bale, Rahul, Hao, Max, Bhalla, Amneet Pal Singh, Patankar, Neelesh A.

“…Which animals use their energy better during movement? One metric to answer this question is the energy cost per unit distance per unit weight. Prior data show…”
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Pulmonary drug delivery and retention: A computational study to identify plausible parameters based on a coupled airway-mucus flow model by Chakravarty, Aranyak, Panchagnula, Mahesh V, Mohan, Alladi, Patankar, Neelesh A

“…Pulmonary drug delivery systems rely on inhalation of drug-laden aerosols produced from aerosol generators such as inhalers, nebulizers etc. On deposition, the…”
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Boiling Transitions During Droplet Contact on Superheated Nano/Micro-Structured Surfaces by Saneie, Navid, Kulkarni, Varun, Fezzaa, Kamel, Patankar, Neelesh A, Anand, Sushant

“…Manipulating surface topography is one of the most promising strategies for increasing the efficiency of numerous industrial processes involving droplet…”
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Convergent evolution of mechanically optimal locomotion in aquatic invertebrates and vertebrates by Bale, Rahul, Neveln, Izaak D, Bhalla, Amneet Pal Singh, MacIver, Malcolm A, Patankar, Neelesh A

“…Examples of animals evolving similar traits despite the absence of that trait in the last common ancestor, such as the wing and camera-type lens eye in…”
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Inhalation of virus-loaded droplets as a clinically plausible pathway to deep lung infection by Chakravarty, Aranyak, Panchagnula, Mahesh V, Patankar, Neelesh A

“…Respiratory viruses, such as SARS-CoV-2, preliminarily infect the nasopharyngeal mucosa. The mechanism of infection spread from the nasopharynx to the deep…”
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Optimal specific wavelength for maximum thrust production in undulatory propulsion by Nangia, Nishant, Bale, Rahul, Chen, Nelson, Hanna, Yohanna, Patankar, Neelesh A

“…What wavelengths do undulatory swimmers use during propulsion? In this work we find that a wide range of body/caudal fin (BCF) swimmers, from larval zebrafish…”
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A moving control volume approach to computing hydrodynamic forces and torques on immersed bodies by Nangia, Nishant, Johansen, Hans, Patankar, Neelesh A., Bhalla, Amneet Pal Singh

“…We present a moving control volume (CV) approach to computing hydrodynamic forces and torques on complex geometries. The method requires surface and volumetric…”
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Coalescence-induced propulsion of droplets on a superhydrophilic wire by Jiang, Youhua, Feng, Leyun, O'Donnell, Allison, Machado, Christian, Choi, Wonjae, Patankar, Neelesh A., Park, Kyoo-Chul

“…Droplet transport on a cylindrical wire has applications in numerous fields such as fog collection, mist elimination, filtration, and oil/water separation…”
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MRI-MECH: mechanics-informed MRI to estimate esophageal health by Halder, Sourav, Johnson, Ethan M, Yamasaki, Jun, Kahrilas, Peter J, Markl, Michael, Pandolfino, John E, Patankar, Neelesh A

“…Dynamic magnetic resonance imaging (MRI) is a popular medical imaging technique that generates image sequences of the flow of a contrast material inside…”
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A new constraint-based formulation for hydrodynamically resolved computational neuromechanics of swimming animals by Patel, Namrata K., Singh Bhalla, Amneet Pal, Patankar, Neelesh A.

“…Undulatory motion in aquatic animals is attained through waves of muscle contraction. Coordinated muscle contraction is produced by the orchestration of…”
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Stencil Penalty approach based constraint immersed boundary method by Bale, Rahul, Patankar, Neelesh A., Jansson, Niclas, Onishi, Keiji, Tsubokura, Makoto

“…•Constraint Immersed Boundary Method (cIBM) is inaccurate for very thin geometries.•The inaccuracy stems from treatment of discrete pressure gradient.•A…”
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Anisotropy in the wetting of rough surfaces by Chen, Yong, He, Bo, Lee, Junghoon, Patankar, Neelesh A.

“…Surface roughness amplifies the water-repellency of hydrophobic materials. If the roughness geometry is, on average, isotropic then the shape of a sessile drop…”
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