Search Results - "Nanthakumar, S."

Detection of flaws in piezoelectric structures using extended FEM by Nanthakumar, S.S., Lahmer, T., Rabczuk, T.

“…SUMMARYAn iterative method to treat the inverse problem of detecting cracks and voids in two‐dimensional piezoelectric structures is proposed. The method…”
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Detection of material interfaces using a regularized level set method in piezoelectric structures by Nanthakumar, S.S., Lahmer, T., Zhuang, X., Zi, G., Rabczuk, T.

“…An algorithm to solve the inverse problem of detecting inclusion interfaces in a piezoelectric structure is proposed. The material interfaces are implicitly…”
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Surface effects on shape and topology optimization of nanostructures by Nanthakumar, S. S., Valizadeh, Navid, Park, Harold S., Rabczuk, Timon

“…We present a computational method for the optimization of nanostructures, where our specific interest is in capturing and elucidating surface stress and…”
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Detection of multiple flaws in piezoelectric structures using XFEM and level sets by Nanthakumar, S.S., Lahmer, T., Rabczuk, T.

“…•An algorithm to detect multiple flaw location in a piezoelectric specimen is proposed.•XFEM is used to solve the direct problem, so remeshing in each…”
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Depression prevalence in Type 2 diabetes is not related to diabetes–depression symptom overlap but is related to symptom dimensions within patient self‐report measures: a meta‐analysis by Harding, K. A., Pushpanathan, M. E., Whitworth, S. R., Nanthakumar, S., Bucks, R. S., Skinner, T. C.

“…Aim Depression is common in Type 2 diabetes, yet rates vary. Overlap between symptoms of depression and diabetes may account for this variability in depression…”
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Topology optimization of flexoelectric structures by Nanthakumar, S.S., Zhuang, Xiaoying, Park, Harold S., Rabczuk, Timon

“…We present a mixed finite element formulation for flexoelectric nanostructures that is coupled with topology optimization to maximize their intrinsic material…”
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Multiple cracks identification for piezoelectric structures by Zhang, C., Nanthakumar, S. S., Lahmer, T., Rabczuk, T.

“…We propose a novel iterative procedure to solve the inverse problem of detecting multiple cracks in two-dimensional piezoelectric structures under dynamic…”
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Inverse design of quantum spin hall-based phononic topological insulators by Nanthakumar, S.S., Zhuang, Xiaoying, Park, Harold S, Nguyen, Chuong, Chen, Yanyu, Rabczuk, Timon

“…We propose a computational methodology to perform inverse design of quantum spin hall effect (QSHE)-based phononic topological insulators. We first obtain…”
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Influence of grain size on deformational behavior in microextrusion process by Nanthakumar, S., Rajenthirakumar, D.

“…Miniaturization drives the need for developing appropriate technology for microproducts of extremely small geometric features with high tolerances. In this…”
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Phase transition influenced photocatalytic dye degradation capability of pure and Eu-doped CoMoO4 polymorphic nanostructures by Rahul, R., Seerangan Selvam, Govarthini, Moorthy Babu, S., Muthukaruppan, Alagar, Bhoopathi, G., Nanthakumar, S., Dheivasigamani, Thangaraju

“…The efficient degradation of organic dyes via photocatalysis presents a critical environmental challenge, necessitating advancements in catalyst design and…”
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Investigation on the Mechanical Properties of Powder Metallurgy-Manufactured AA7178/ZrSiO4 Nanocomposites by Srinivasan, R., Karunakaran, S., Hariprabhu, M., Arunbharathi, R., Suresh, S., Nanthakumar, S., Ahammad, S. K. H., Mayakannan, S., Jayakumar, Mani

“…The versatility of metal matrix composites (MMCs) makes them a promising material for various industrial applications. The current study used a ball milling to…”
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Examining the Combination of a Parabolic Solar Collector with Phase Change Material (PCM) in Solar Distillation by D, Mohanraj, P, Vijayakumar, V, Kiruthiga, Jadhavd, Dhaval, Krishna I, Mohana, S, Nanthakumar

“…An Experimental investigation had been executed in a solar distill unified with parabolic collector using PCM. This experiment had been compared with PCM less…”
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Dynamic flexoelectric effect on piezoelectric nanostructures by Nguyen, B.H., Nanthakumar, S.S., Zhuang, X., Wriggers, P., Jiang, X., Rabczuk, T.

“…Flexoelectricity, which represents the spontaneous electric polarization induced by the strain gradient, is a universal electromechanical coupling effect…”
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Detection of void and metallic inclusion in 2D piezoelectric cantilever beam using impedance measurements by Samanta, S., Nanthakumar, S. S., Annabattula, R. K., Zhuang, X.

“…The aim of current work is to improve the existing inverse methodology of void-detection based on a target impedance curve, leading to quick-prediction of the…”
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Detection of multiple flaws in piezoelectric structures using XFEM and level sets by Nanthakumar, S.S., Lahmer, T., Rabczuk, T.

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Converse Flexoelectricity of Low-Dimensional Bismuth Selenite Revealed by Piezoresponse Force Microscopy (PFM) by Liu, Q., Nanthakumar, S.S., Zhuang, X.

“…Many kinds of two-dimensional (2D) van der Waals (vdW) have been demonstrated to exhibit electromechanical coupling effects, which makes them promising…”
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Advanced Industry Temperature Controlling and Energy Management System by Ashadevi, S., Meerakumari, N., Princeiga, M., Nanthakumar, S., Joe, L. Reshten

“…Energy is no exception to the fact that humans generate a lot of waste. When coal is burned in a power plant, the majority of the chemical energy in the fuel…”
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Topology optimization of piezoelectric nanostructures by Nanthakumar, S.S., Lahmer, Tom, Zhuang, Xiaoying, Park, Harold S., Rabczuk, Timon

“…We present an extended finite element formulation for piezoelectric nanobeams and nanoplates that is coupled with topology optimization to study the energy…”
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A meshfree formulation for large deformation analysis of flexoelectric structures accounting for the surface effects by Zhuang, Xiaoying, Nanthakumar, S.S., Rabczuk, Timon

“…In this work, we present a compactly supported radial basis function (CSRBF) based meshfree method to analyse geometrically nonlinear flexoelectric…”
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Second‐order computational homogenization of flexoelectric composites by Zhuang, Xiaoying, Li, Bin, Nanthakumar, S. S., Böhlke, Thomas

“…Abstract Flexoelectricity shows promising applications for self‐powered devices with its increased power density. This paper presents a second‐order…”
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