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Zhuopu Wang, Kairui Yu and Yuanzhe Liu
The unsteady combustion of solid propellants under oscillating environments is the key to understanding the combustion instability inside solid rocket motors. The discontinuous Galerkin?finite element method (DG-FEM) is introduced to provide an efficient...
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Xiuying Xu, Changhao Fu, Yingying Gao, Ye Kang and Wei Zhang
The origin of seeds is a crucial environmental factor that significantly impacts crop production. Accurate identification of seed origin holds immense importance for ensuring traceability in the seed industry. Currently, traditional methods used for iden...
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Haobin Wen, Long Zhang and Jyoti K. Sinha
On top of the condition-based maintenance (CBM) practice for rotating machinery, the robust estimation of remaining useful life (RUL) for rolling-element bearings (REB) is of particular interest. The failure of a single bearing often results in secondary...
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Rodrigo Scoczynski Ribeiro, Marc Arnela, Manuel Teixeira Braz-César, Rúbia Mara Bosse, Laura Silvestro, Gustavo de Miranda Saleme Gidrão, Mariane Kempka, Dyorgge Alves Silva and Marcela Maier Farias Czap
In Brazil, there is a shortage of approximately 5.80 million residences, a challenge that intensified during the pandemic. Since 2013, there has been a mandate to implement specific performance criteria in residential constructions. However, many constru...
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Hongzhen Zhu and Jianghai Wu
Pipelines are designed to carry seawater with hydrostatic pressure below sea level in the ship industry. Previously conducted studies have established the FSI (Fluid?Structure Interaction) equations for thin-walled, fluid-filled pipelines based on the Ti...
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Susana Barrios, Andrés Guzmán and Albert Ortiz
Corrosion directly affects the structural stiffness of a steel element, reducing the thickness, thus inertia, due to the gradual deterioration of the material. Quickly identifying corrosion damage to the stiffness of a steel structure is a challenge in c...
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Carlos Enrique Valencia Murillo, Miguel Ernesto Gutierrez Rivera, Nicolas Flores Samano and Luis David Celaya Garcia
This contribution presents a finite element shell model capable of performing linear vibration analyses of shell-type structures made of functionally graded material (FGM). The model is based on the seven-parameter spectral/hp finite element formulation,...
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Euiho Shin, Young-seek Chung, Seonkyo Kim, Cheolsun Park and Jungsuek Oh
This study proposes broadband direction (DOA) estimation through discrete Fourier transform (DFT) extrapolation. We used DFT extrapolation in the lower band and extended the sampled data to reduce the beam width in the spectral domain and improved the ac...
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Haizhou Liu, Yixin Huang and Yang Zhao
Structures with inhomogeneous materials, non-uniform cross-sections, non-uniform supports, and subject to non-uniform loads are increasingly common in aerospace applications. This paper presents a simple and unified numerical dynamics model for all beams...
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Adnan Shahriar, Arsalan Majlesi and Arturo Montoya
This paper presents a general procedure to formulate and implement 3D elements of arbitrary order in meshes with multiple element types. This procedure includes obtaining shape functions and integration quadrature and establishing an approach for checkin...
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