4.5 Editorial Material

20 years of computational science: Selected papers from 2020 International Conference on Computational Science

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Article Computer Science, Interdisciplinary Applications

A point interpolation algorithm resulting from weighted linear regression

Leonardo Ramos Emmendorfer et al.

Summary: This research introduces a novel interpolation algorithm that outperforms IDW in alleviating artifacts and is proven to be the best choice in certain cases.

JOURNAL OF COMPUTATIONAL SCIENCE (2021)

Article Computer Science, Interdisciplinary Applications

DGIRM: Discontinuous Galerkin based isogeometric residual minimization for the Stokes problem

Marcin Los et al.

Summary: This paper introduces a stable isogeometric analysis discretization of the Stokes system of equations and demonstrates the flexibility and robustness of the residual minimization method. By comparing numerical accuracy and computational cost using different solvers and mesh sizes, it explores the influence of different discretization spaces on the resulting accuracy.

JOURNAL OF COMPUTATIONAL SCIENCE (2021)

Article Computer Science, Interdisciplinary Applications

A lightweight method for evaluating in situ workflow efficiency

Tu Mai Anh Do et al.

Summary: Performance evaluation is crucial for understanding the behavior of scientific workflows, especially in dealing with in situ workflows. By proposing a lightweight metric, the resource usage efficiency of in situ workflow execution can be assessed, analyzing the tradeoffs of various configurable parameters and evaluating different execution scenarios.

JOURNAL OF COMPUTATIONAL SCIENCE (2021)

Article Computer Science, Interdisciplinary Applications

Extending bluff-and-fix estimates for polynomial chaos expansions

Laura Lyman et al.

Summary: Polynomial chaos methods are used to approximate solutions to PDEs with stochastic inputs, where an infinite polynomial expansion is truncated to a certain number of terms. Challenges include the inability to reuse solutions to previous systems and the lack of flexibility in choosing important variables. The bluff-and-fix iterative strategy is proposed to address these challenges effectively.

JOURNAL OF COMPUTATIONAL SCIENCE (2021)

Article Computer Science, Interdisciplinary Applications

Voronoi diagram and Monte-Carlo simulation based finite element optimization for cost-effective 3D printing

A. Z. Zheng et al.

Summary: This paper proposes a method to achieve cost-effective 3D printing of stiffened thin-shell objects by integrating finite element analysis, optimization calculations, and Monte-Carlo simulation, which effectively reduces material consumption.

JOURNAL OF COMPUTATIONAL SCIENCE (2021)

Article Computer Science, Interdisciplinary Applications

Optimizing the hypre solver for manycore and GPU architectures

Damodar Sahasrabudhe et al.

Summary: To solve large-scale combustion problems on modern computer architectures, multithreading and GPU technology are essential. Optimizing the Hypre iterative solver and GPU version has significantly improved performance.

JOURNAL OF COMPUTATIONAL SCIENCE (2021)

Article Computer Science, Interdisciplinary Applications

An ordered-fuzzy-numbers-driven approach to the milk-run routing and scheduling problem

Grzegorz Bocewicz et al.

Summary: This paper presents a solution to a milk-run vehicle routing and scheduling problem subject to fuzzy pick-up and delivery transportation time constraints, achieved through computer simulation and analytical ordered-fuzzy-number-driven calculations.

JOURNAL OF COMPUTATIONAL SCIENCE (2021)

Article Computer Science, Interdisciplinary Applications

Wavelet collocation method based on Legendre polynomials and its application in solving the stochastic fractional integro-differential equations

Abhishek Kumar Singh et al.

Summary: This paper presents an efficient numerical method to quantify uncertainty in solving stochastic fractional integro-differential equations, converting them into algebraic equation systems using wavelet collocation method and Legendre polynomials. The proposed method is validated for accuracy and efficiency through numerical experiments, showing superiority over Gaussian and thin plate splines radial basis function methods. Additionally, a stock market model is simulated and results are demonstrated for real-world application.

JOURNAL OF COMPUTATIONAL SCIENCE (2021)

Article Computer Science, Interdisciplinary Applications

Massively-parallel column-level segmentation of depth images

P. Cebrian et al.

Summary: The paper introduces an alternative column-level segmentation proposal based on the RDP split-and-merge strategy, which generates depth representations with greater compression and accuracy compared to the traditional Stixels proposal. Additionally, the paper presents a massively parallel design optimized for GPU-accelerated low-power embedded systems.

JOURNAL OF COMPUTATIONAL SCIENCE (2021)

Article Computer Science, Interdisciplinary Applications

An advanced ALE-mixed finite element method for a cardiovascular fluid-structure interaction problem with multiple moving interfaces

Pengtao Sun et al.

Summary: An advanced mixed finite element method was developed for solving a cardiovascular fluid-structure interaction problem with multiple moving interfaces. Numerical experiments were conducted to demonstrate the effectiveness and strength of this method in the cardiovascular environment with multi-interface problems.

JOURNAL OF COMPUTATIONAL SCIENCE (2021)

Article Computer Science, Interdisciplinary Applications

Graph-based multi-core higher-order time integration of linear autonomous partial differential equations

Dominik Huber et al.

Summary: This study optimized the parallel computation of time integration of linear autonomous partial differential equations by introducing a dependency graph-driven view, dynamic scheduling, and static graph partitioning methods. Ultimately, a reduction of up to 60% in wall clock time was achieved compared to traditional approaches on different architectures.

JOURNAL OF COMPUTATIONAL SCIENCE (2021)

Article Computer Science, Interdisciplinary Applications

Partial differential equations discovery with EPDE framework: Application for real and synthetic data®

Mikhail Maslyaev et al.

Summary: Data-driven methods, such as the EPDE framework, provide a versatile approach for deriving partial differential equations from data, without making strong assumptions about the resulting equation. This approach, combining evolutionary algorithms and sparse regression, allows for processing noisy data and finds real-world applications similar to those described in the paper.

JOURNAL OF COMPUTATIONAL SCIENCE (2021)

Article Computer Science, Interdisciplinary Applications

Managing non-trivial internet-of-things systems with conversational assistants: A prototype and a feasibility experiment

Andre Sousa Lago et al.

Summary: The Internet of Things has revolutionized interactions with the environment; controlling lights in a smart home has become simple; setting interaction rules is complex and managing systems with increasing devices and household members is a challenge that led to the development of low-code solutions.

JOURNAL OF COMPUTATIONAL SCIENCE (2021)

Article Computer Science, Interdisciplinary Applications

High fidelity fluid-structure interaction by radial basis functions mesh adaption of moving walls: A workflow applied to an aortic valve

Leonardo Geronzi et al.

Summary: The article discusses the investigation of fluid-structure interaction using nonlinear finite element models and computational fluid dynamics, emphasizing the management of wetted surface interfaces and information exchange between structural and fluid computational grids. It also presents a new method based on radial basis functions for mesh morphing, allowing for a continuum update of shape. The study of the complex motion of a Polymeric-Prosthetic Heart Valve (P-PHV) demonstrates the application of the new method.

JOURNAL OF COMPUTATIONAL SCIENCE (2021)

Article Computer Science, Interdisciplinary Applications

Application of reactive power compensation algorithm for large-scale street lighting

Sebastian Ernst et al.

Summary: This paper investigates the compensation of reactive power in LED lighting installations, proposing a low-cost approach by connecting fixed setting inductors at lighting control cabinets. The goal is to completely eliminate capacitive reactive power and keep inductive reactive power within acceptable limits.

JOURNAL OF COMPUTATIONAL SCIENCE (2021)

Article Computer Science, Interdisciplinary Applications

Hybrid predictive modelling: Thyrotoxic atrial fibrillation case

Ilia V. Derevitskii et al.

Summary: This work introduces a new predictive modelling approach based on hybrid methods for disease complications development, which integrates classic machine learning models and dynamic analysis methods. The method has been applied to predictive modelling of Thyrotoxicosis Atrial Fibrillation and can assist medical specialists in estimating the level of risk.

JOURNAL OF COMPUTATIONAL SCIENCE (2021)

Article Computer Science, Interdisciplinary Applications

Parametric integral equation system (PIES) for solving problems with inclusions and non-homogeneous domains using Bezier surfaces

Agnieszka Boltuc et al.

Summary: The paper presents a method for solving 2D elastic boundary value problems using the parametric integral equation system (PIES) in domains with inclusions of different material properties. This approach utilizes Bezier surfaces for global modeling and avoids discretization issues, offering advantages over other numerical methods. Numerical tests show that the method has benefits compared to traditional approaches.

JOURNAL OF COMPUTATIONAL SCIENCE (2021)

Article Computer Science, Interdisciplinary Applications

Identifying prognostic markers for multiple myeloma through integration and analysis of MMRF-CoMMpass data

Marzia Settino et al.

Summary: Studying the correlation between gene expression profiling and patient survival in multiple myeloma is essential for understanding the disease progression, and the use of appropriate bioinformatic tools for integrative analysis is crucial.

JOURNAL OF COMPUTATIONAL SCIENCE (2021)

Article Computer Science, Interdisciplinary Applications

Hellinger Distance Weighted Ensemble for imbalanced data stream classification

Joanna Grzyb et al.

Summary: The paper presents a classifier ensemble method for classifying imbalanced data streams, and the experimental results demonstrate the effectiveness of this method.

JOURNAL OF COMPUTATIONAL SCIENCE (2021)

Article Computer Science, Interdisciplinary Applications

Unit and regression tests of scientific software: A study on SWMM

Zedong Peng et al.

Summary: The study found that the code coverage and user manual coverage of both unit tests and regression tests of SWMM are relatively high. Additionally, a getter-setter-getter testing pattern was observed in the unit tests, and a diversified way of executing regression tests is suggested.

JOURNAL OF COMPUTATIONAL SCIENCE (2021)

Article Computer Science, Interdisciplinary Applications

Recursive filter based GPU algorithms in a Data Assimilation scenario

P. De Luca et al.

Summary: Data assimilation is commonly used to improve prediction accuracy by estimating the best initial state of a system. This study focuses on the Gaussian convolution operation within the data assimilation approach, presenting an accelerated recursive filter and a new GPU-parallel implementation based on third-order recursive filter. Tests and experiments are conducted to evaluate the performance benefits.

JOURNAL OF COMPUTATIONAL SCIENCE (2021)

Article Computer Science, Interdisciplinary Applications

A line-search optimization method for non-Gaussian data assimilation via random quasi-orthogonal sub-spaces

Elias D. Nino-Ruiz

Summary: This study enhances the optimization method by employing 3D-Var cost function and specific matrix structures, and experimentally verifies the advantages of the new method in analysis correction quality and convergence speed.

JOURNAL OF COMPUTATIONAL SCIENCE (2021)

Article Computer Science, Interdisciplinary Applications

Modeling the boundary shape of the problems described by Navier-Lameequations using NURBS curves in parametric integral equations system method

Marta Kapturczak et al.

Summary: This paper presents a method to improve boundary shape modeling process in elasticity problems by incorporating NURBS curves, which can achieve high accuracy and significant advantages in shape modification and identification processes.

JOURNAL OF COMPUTATIONAL SCIENCE (2021)

Editorial Material Computer Science, Interdisciplinary Applications

20 years of computational science

Sergey V. Kovalchuk et al.

JOURNAL OF COMPUTATIONAL SCIENCE (2020)

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Science at the intersection of data, modelling, and computation

Sergey V. Kovalchuk et al.

JOURNAL OF COMPUTATIONAL SCIENCE (2019)

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Analysis of publication activity of computational science society in 2001-2017 using topic modelling and graph theory

Tesfamariam M. Abuhay et al.

JOURNAL OF COMPUTATIONAL SCIENCE (2018)

Article Computer Science, Theory & Methods

Big Data computing and clouds: Trends and future directions

Marcos D. Assuncao et al.

JOURNAL OF PARALLEL AND DISTRIBUTED COMPUTING (2015)

Article Computer Science, Artificial Intelligence

Generalizing Surrogate-Assisted Evolutionary Computation

Dudy Lim et al.

IEEE TRANSACTIONS ON EVOLUTIONARY COMPUTATION (2010)

Editorial Material Computer Science, Interdisciplinary Applications

Preface

Peter Sloot et al.

JOURNAL OF COMPUTATIONAL SCIENCE (2010)