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Solving a nonlinear heat equation with nonlocal boundary conditions by a method of nonlocal boundary shape functions

期刊: NUMERICAL HEAT TRANSFER PART B-FUNDAMENTALS, 2021; 80 (1-2)

When a nonlinear heat equation is subjected to nonlocal boundary conditions, the difficulty might arise because time-dependent integral conditions pre......

Numerical investigations on model order reduction to SEM based on POD-DEIM to linear/nonlinear heat transfer problems

期刊: NUMERICAL HEAT TRANSFER PART B-FUNDAMENTALS, 2021; 80 (3-4)

The motivation in this article is to foster and conduct an in-depth investigation on reduced-order modeling (ROM) techniques via proper orthogonal dec......

Efficient transient thermal simulation with Laguerre-based finite-element method and domain decomposition

期刊: NUMERICAL HEAT TRANSFER PART B-FUNDAMENTALS, 2021; 80 (1-2)

In this article, a Laguerre-based finite-element method (LBFEM) combined with domain decomposition is proposed for large-scale transient thermal simul......

An LBM-based investigation of thermal buoyancy and arrangement angle on flow characteristics and heat transfer over four heated square cylinders

期刊: NUMERICAL HEAT TRANSFER PART B-FUNDAMENTALS, 2021; 79 (5-6)

In this work, the effects of thermal buoyancy and rotation angle on the hydrodynamics and mixed convection heat transfer characteristics over four hea......

A new interpolation method for Lagrangian statistics in non-isothermal gas-solid flow

期刊: NUMERICAL HEAT TRANSFER PART B-FUNDAMENTALS, 2020; 77 (5)

In this article, a new interpolation method is developed for the Lagrangian statistics in the non-isothermal gas-solid flow. The Lagrangian statistics......

Numerical analysis on supercritical natural convection by lattice Boltzmann method

期刊: NUMERICAL HEAT TRANSFER PART B-FUNDAMENTALS, 2020; 77 (6)

One of the main factors affecting the heat transfer efficiency of solar collector is that the ordinary fluid in it is in the state of natural convecti......

Local least-squares element differential method for solving heat conduction problems in composite structures

期刊: NUMERICAL HEAT TRANSFER PART B-FUNDAMENTALS, 2020; 77 (6)

In this article, a completely new numerical method called the Local Least-Squares Element Differential Method (LSEDM), is proposed for solving general......

Prediction of radiation spectra of composite with periodic micron porous structure

期刊: NUMERICAL HEAT TRANSFER PART B-FUNDAMENTALS, 2020; 78 (1)

In this work, one three-dimensional periodic composite structure consisting of alumina frame and inscribed nickel spheres is proposed for designing th......

A level set redistancing algorithm for simulation of two-phase flow

期刊: NUMERICAL HEAT TRANSFER PART B-FUNDAMENTALS, 2020; 78 (1)

Incompressible two-phase flow involving interface evolution was studied using a level set method. To maintain the level set function as a signed dista......

A grad-div stabilized projection finite element method for a double-diffusive natural convection model

期刊: NUMERICAL HEAT TRANSFER PART B-FUNDAMENTALS, 2020; 78 (2)

In this article, a grad-div stabilized projection finite element method is proposed for the double-diffusive natural convection model. Moreover, for t......

A new meshless "fragile points method" and a local variational iteration method for general transient heat conduction in anisotropic nonhomogeneous media. Part I: Theory and implementation

期刊: NUMERICAL HEAT TRANSFER PART B-FUNDAMENTALS, 2020; 78 (2)

A new and effective computational approach is presented for analyzing transient heat conduction problems. The approach consists of a meshless Fragile ......

A new meshless "fragile points method" and a local variational iteration method for general transient heat conduction in anisotropic nonhomogeneous media. Part II: Validation and discussion

期刊: NUMERICAL HEAT TRANSFER PART B-FUNDAMENTALS, 2020; 78 (2)

In the first part of this two-paper series, a new computational approach is presented for analyzing transient heat conduction problems in anisotropic ......

Can pulsation unsteadiness increase the convective heat transfer in a pipe flow? A systematic study

期刊: NUMERICAL HEAT TRANSFER PART B-FUNDAMENTALS, 2020; 78 (3)

Unsteady laminar and turbulent pipe flows subjected to a constant temperature gradient in axial direction are investigated based on asymptotic conside......

Modeling of double-layer triangular microchannel heat sink based on thermal resistance network and multivariate structural optimization using firefly algorithm

期刊: NUMERICAL HEAT TRANSFER PART B-FUNDAMENTALS, 2020; 77 (5)

The micro-channel heat dissipation system has minor specifications and good thermal conductivity per unit, which is the best choice for heat dissipati......

Identifying heat conductivity and source functions for a nonlinear convective-diffusive equation by energetic boundary functional methods

期刊: NUMERICAL HEAT TRANSFER PART B-FUNDAMENTALS, 2020; 78 (4)

In the article, we solve the inverse problems to recover unknown space-time dependent functions of heat conductivity and heat source for a nonlinear c......

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