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Computation, Volume 13, Issue 3

March 2025 - 21 articles

Cover Story: In the following work, an up-scaling framework in a multi-scale setting is presented to calibrate a stochastic material model. The computational setup consists of a continuum coarse-scale model and a discrete fine-scale model that is inherently random. The objective is to calibrate the coarse-scale parameters using the measurements from the fine-scale model to enable the former to reflect the random nature of the latter with an acceptable level of approximation. The up-scaling task is performed using a generalized version of the Kalman filter, employing a functional approximation of the involved parameters, in a non-intrusive manner. Moreover, the proposed approach offers greater flexibility in terms of the selection of completely different material models on both coarse and fine scales, as evident from the demonstrated numerical example. View this paper
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Articles (21)

  • Article
  • Open Access
1,125 Views
10 Pages

Gas adsorption in nanoscale pores is one of the key theoretical bases for shale gas development. However, the influence mechanisms of gas adsorption capacity and the second adsorption layer in nanoscale pores are very complex, and are difficult to di...

  • Review
  • Open Access
2 Citations
3,212 Views
20 Pages

A Bibliometric Review of Deep Learning Approaches in Skin Cancer Research

  • Catur Supriyanto,
  • Abu Salam,
  • Junta Zeniarja,
  • Danang Wahyu Utomo,
  • Ika Novita Dewi,
  • Cinantya Paramita,
  • Adi Wijaya and
  • Noor Zuraidin Mohd Safar

Early detection of skin cancer is crucial for successful treatment and improved patient outcomes. Medical images play a vital role in this process, serving as the primary data source for both traditional and modern diagnostic approaches. This study a...

  • Article
  • Open Access
742 Views
19 Pages

Analysis of a Queueing Model with Flexible Priority, Batch Arrival, and Impatient Customers

  • Alexander Dudin,
  • Olga Dudina,
  • Sergei Dudin and
  • Agassi Melikov

In this study, we consider a multi-server priority queueing model with batch arrivals of two types of customers, a finite buffer, and two input finite buffers for storing customers that cannot be admitted for service immediately upon arrival. The tra...

  • Article
  • Open Access
1,283 Views
22 Pages

As climate change has become of eminent importance in the last two decades, so has interest in industry-wide carbon emissions and policies promoting a low-carbon economy. Investors and policymakers could improve their decision-making by producing acc...

  • Article
  • Open Access
1 Citations
1,648 Views
18 Pages

Short-Term Load Forecasting in Distribution Substation Using Autoencoder and Radial Basis Function Neural Networks: A Case Study in India

  • Venkataramana Veeramsetty,
  • Prabhu Kiran Konda,
  • Rakesh Chandra Dongari and
  • Surender Reddy Salkuti

Electric load forecasting is an essential task for Distribution System Operators in order to achieve proper planning, high integration of small-scale production from renewable energy sources, and to define effective marketing strategies. In this fram...

  • Article
  • Open Access
1,501 Views
35 Pages

Competitive dynamics in dry bulk terminals necessitate efficient planning and scheduling to optimize operations. This study focuses on the productivity of stackers and reclaimers by developing a mathematical optimization model to enhance scheduling e...

  • Article
  • Open Access
690 Views
17 Pages

Non-Hydrostatic Galerkin Model with Weighted Average Pressure Profile

  • Lucas Calvo,
  • Diana De Padova and
  • Michele Mossa

This work develops a novel two-dimensional, depth-integrated, non-hydrostatic model for wave propagation simulation using a weighted average non-hydrostatic pressure profile. The model is constructed by modifying an existing non-hydrostatic discontin...

  • Article
  • Open Access
3 Citations
1,458 Views
25 Pages

In today’s world, where sustainable energy is essential for the planet’s survival, accurate solar energy forecasting is crucial. This study focused on predicting short-term Global Horizontal Irradiance (GHI) using minute-averaged data fro...

  • Article
  • Open Access
1 Citations
1,297 Views
21 Pages

Numerical Methodology for Enhancing Heat Transfer in a Channel with Arc-Vane Baffles

  • Piphatpong Thapmanee,
  • Arnut Phila,
  • Khwanchit Wongcharee,
  • Naoki Maruyama,
  • Masafumi Hirota,
  • Varesa Chuwattanakul and
  • Smith Eiamsa-ard

This study numerically investigates flow and heat transfer in a channel with arc-vane baffles at various radius-to-channel high ratios (r/H = 0.125, 0.25, 0.375, and 0.5) for Reynolds numbers between 6000 and 24,000, focusing on solar air-heater appl...

  • Article
  • Open Access
1 Citations
4,069 Views
23 Pages

The global COVID-19 pandemic has generated extensive datasets, providing opportunities to apply machine learning for diagnostic purposes. This study evaluates the performance of five supervised learning models—Random Forests (RFs), Artificial N...

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Computation - ISSN 2079-3197