Engineering with Computers
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Automatically imposing boundary conditions for boundary value problems by unified physics-informed neural network
Engineering with Computers - - Trang 1-23 - 2023
Exact boundary conditions (BCs) imposition technique is widely used in physics-informed neural networks (PINNs) for solving boundary value problems (BVPs). In this regard, the selection of trial function satisfying essential BCs becomes hard to determine when complex geometric domain or essential BCs are considered. To address this challenge, an unified physics-informed neural network (UPINN) mode...... hiện toàn bộ
Isomorphism identification for epicyclic gear mechanism based on mapping property and ant algorithm
Engineering with Computers - - 2007
A novel method for asphalt pavement crack classification based on image processing and machine learning
Engineering with Computers - Tập 35 - Trang 487-498 - 2018
This study constructs an automatic model for detecting and classifying asphalt pavement crack. Image processing techniques including steerable filters, projective integral of image, and an enhanced method for image thresholding are employed for feature extraction. Different scenarios of feature selection have been attempted to create data sets from digital images. These data sets are then employed...... hiện toàn bộ
Software environment for implementing engineering applications on MIMD computers
Engineering with Computers - - 1990
In this paper the concept for a software environment for developing engineering application systems for multiprocessor hardware (MIMD) is presented. The philosophy employed is to solve the largest problems possible in a reasonable amount of time, rather than solve existing problems faster. In the proposed environment most of the problems concerning parallel computation and handling of large distri...... hiện toàn bộ
A finite element method for the numerical solution of Rayleigh–Stokes problem for a heated generalized second grade fluid with fractional derivatives
Engineering with Computers - - 2016
Our main aim in the current paper is to find a numerical plan for 2D Rayleigh–Stokes model with fractional derivative on irregular domains such as circular, L-shaped and a unit square with a circular and square hole. The employed fractional derivative is the Riemann–Liouville sense. Also, by integrating the equation corresponding to the time variable and then using the Galerkin FEM for the space d...... hiện toàn bộ
Unsaturated soil slope characterization with Karhunen–Loève and polynomial chaos via Bayesian approach
Engineering with Computers - Tập 35 - Trang 337-350 - 2018
Field measured data reflect real response of soil slopes under rainfall infiltration and can provide representative estimates of in situ soil properties. In this study, an efficient probabilistic back analysis method for characterization of spatial variability of soil properties is used to investigate the effects of field responses with various monitoring schemes on characterization of spatial var...... hiện toàn bộ
Elite-driven surrogate-assisted CMA-ES algorithm by improved lower confidence bound method
Engineering with Computers - Tập 39 - Trang 2543-2563 - 2022
To relieve the computational burden and improve the global optimizing ability of Covariance Matrix Adaptation Evolution Strategy (CMA-ES) for real-world expensive problems, an elite-driven surrogate-assisted CMA-ES (ES-CMA-ES) algorithm by the improved Lower Confidence Bound (ILCB) method is proposed in this paper. Firstly, the ILCB method is established by introducing the step size, which capture...... hiện toàn bộ
Subdomain solutions of complex variable boundary element method
Engineering with Computers - Tập 14 - Trang 321-329 - 1998
In this paper, a new subdomain solution of the boundary element method based on complex variable fundamental solutions for non-homogeneous materials is developed. Being different from the conventional BEM, subdomains in the method presented can be produced by considering not only the properties of materials, but also the geometry and correspondent boundary conditions of the problem. The formulatio...... hiện toàn bộ
Special issue: Numerical simulation for additive manufacturing processes and products
Engineering with Computers - - 2022
Development of a software library of functions for analysis of spatial mechanisms
Engineering with Computers - - 1998
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