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H.C.P. Karunasena

University of Ruhuna

SCHOLARLY PAPERS

5

DOWNLOADS

438

TOTAL CITATIONS

1

Scholarly Papers (5)

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1.

A Physics-Informed Neural-Network-Based Multi-Domain Computational Model to Investigate Nonlinear and Heterogenous Shrinkage of Plant Cells During Drying

Downloads 155 (482,968)
Citation 1

A Physics-Informed Neural-Network-Based Multi-Domain Computational Model to Investigate Nonlinear and Heterogenous Shrinkage of Plant Cells During Drying

Number of pages: 43 Posted: 22 Oct 2023
Chanaka Batuwatta-Gamage, Charith Rathnayaka, H.C.P. Karunasena, H. Jeong, M.A. Karim and Yuantong Gu
Queensland University of Technology, University of the Sunshine Coast, University of Ruhuna, Queensland University of Technology, Queensland University of Technology and Queensland University of Technology
Downloads 114 (629,668)

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Domain decomposition, Food drying, Mass transfer, Nonlinear shrinkage, Physics-informed neural networks

A Physics-Informed Neural-Network-Based Multi-Domain Computational Model to Investigate Nonlinear and Heterogenous Shrinkage of Plant Cells During Drying

Number of pages: 41 Posted: 06 Dec 2023
Chanaka Batuwatta-Gamage, Charith Rathnayaka, H.C.P. Karunasena, Hyogu Jeong, M.A. Karim and Yuantong Gu
Queensland University of Technology, University of the Sunshine Coast, University of Ruhuna, Queensland University of Technology, Queensland University of Technology and Queensland University of Technology
Downloads 41 (1,196,631)
Citation 1

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Domain decomposition, Food drying, Mass transfer, Nonlinear shrinkage, Physics-informed neural networks

2.

Sph-Based Numerical Modelling and Performance Analysis of a Point Absorber Type Wave Energy Converter with a Novel Buoy Geometry

Number of pages: 24 Posted: 11 Apr 2023
N.H.D.S Manawadu, I.D. Nissanka and H.C.P. Karunasena
affiliation not provided to SSRN, University of Moratuwa and University of Ruhuna
Downloads 138 (530,816)

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Buoy Geometry, Capture width ratio, DualSPHysics, Smoothed particle hydrodynamics, Wave Energy converter, Renewable energy

3.

A Novel Sigmexd Activation Function to Enhance Physics-Informed Neural Networks (Pinns) for Differential Equations with a Perspective on the Role of Activation Functions in Pinns

Number of pages: 60 Posted: 19 Jun 2025
Manoj Kurukulasuriya, Chanaka Batuwatta-Gamage, H.C.P. Karunasena, Hyogu Jeong, Kalani Ranathunga, Charith Rathnayaka and Yuantong Gu
Queensland University of Technology, Queensland University of Technology, University of Ruhuna, Queensland University of Technology, University of the Sunshine Coast, University of the Sunshine Coast and Queensland University of Technology
Downloads 62 (942,565)

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Physics-Informed Neural Networks (PINNs), Activation Functions, Activation Selection, Solving Differential Equations, Sigmexd Activation Function

4.

Sph-Based Numerical Analysis and Performance Optimisation of an Oscillating Wave Surge Converter with a Novel Flap Geometry for Efficient Wave Energy Extraction

Number of pages: 33 Posted: 17 May 2025
N.H.D.S Manawadu, L.P.D.D. Liyanage, I.D. Nissanka and H.C.P. Karunasena
affiliation not provided to SSRN, affiliation not provided to SSRN, University of Moratuwa and University of Ruhuna
Downloads 43 (1,170,409)

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- CWR, DualSPHysics, Flap geometry, OWSC, SPH, Wave energy converter

5.

A Fourier Feature-Embedded Physics-Informed Neural Network framework to investigate coupled heat and mass transfer characteristics of plant tissues during drying

Number of pages: 33 Posted: 10 Nov 2025
Chanaka Batuwatta-Gamage, H. Jeong, Zachary G. Welsh, M.A. Karim, H.C.P. Karunasena, Charith Rathnayaka and Yuantong Gu
Queensland University of Technology, Queensland University of Technology, Queensland University of Technology, Queensland University of Technology, University of Ruhuna, University of the Sunshine Coast and Queensland University of Technology
Downloads 40 (1,209,354)

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Food Drying, Fourier feature embedding, Heat transfer, Mass Transfer, Physics-informed neural networks