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of 9
pro vyhledávání: '"Hamza Sulayman Abdullahi"'
Publikováno v:
Ain Shams Engineering Journal, Vol 12, Iss 1, Pp 847-863 (2021)
In this paper, a new closed-form formulation with universal matrices strongly recommends that Weighted Richardson Extrapolation (WRE) with robust and hourglass controlled one-point quadrature can absolutely replace the conventional Gauss Quadrature i
Externí odkaz:
https://doaj.org/article/1fe36d67165d453a898fc38170fa382d
Autor:
Musa Abubakar Tadda, Mostafa Gouda, Xiaochang Lin, Abubakar Shitu, Hamza Sulayman Abdullahi, Songming Zhu, Xiaoli Li, Dezhao Liu
Publikováno v:
Frontiers in Materials, Vol 8 (2021)
Poly (butylene succinate) (PBS) is one of the most common biodegradable plastic polymers that has recently been used in the green environmental field. Enhancement of physicochemical characteristics of these polymers by using plant-based materials lik
Externí odkaz:
https://doaj.org/article/5b1ff76f91664a28a1c81e52eb60a438
Autor:
Hamza Sulayman Abdullahi
Publikováno v:
Nigerian Journal of Technological Development, Vol 16, Iss 2, Pp 85-90 (2019)
Stress and displacement analysis of structures of revolution under axisymmetric loading is of considerable interest in engineering. Many practical problems can be idealized as an axisymmetric case, which simplifies the analysis and reduces the comput
Externí odkaz:
https://doaj.org/article/6a4a7a88350d4445b92cd0992294e166
Publikováno v:
Ain Shams Engineering Journal, Vol 9, Iss 4, Pp 965-972 (2018)
This paper is aimed at generating element stiffness matrices for the family of triangular elements using Universal Matrix Method and performing a CPU time efficiency analysis and comparison of stiffness coefficients deviation (error). The interpolati
Externí odkaz:
https://doaj.org/article/9145f7ee79a54a0582a3d6becc719fbb
Publikováno v:
Ain Shams Engineering Journal, Vol 12, Iss 1, Pp 847-863 (2021)
In this paper, a new closed-form formulation with universal matrices strongly recommends that Weighted Richardson Extrapolation (WRE) with robust and hourglass controlled one-point quadrature can absolutely replace the conventional Gauss Quadrature i
Autor:
Shuming Gao, Hamza Sulayman Abdullahi
Publikováno v:
Structural and Multidisciplinary Optimization. 63:897-913
Multi-cell tubal structures have widely been used in the automobile industry due to proven superior crashworthiness performance than single-cell and foam-filled tubes. This superior performance is attributed to the number of corners within the cross-
Publikováno v:
Ain Shams Engineering Journal, Vol 9, Iss 4, Pp 965-972 (2018)
This paper is aimed at generating element stiffness matrices for the family of triangular elements using Universal Matrix Method and performing a CPU time efficiency analysis and comparison of stiffness coefficients deviation (error). The interpolati
Publikováno v:
SN Applied Sciences. 1
The biggest challenge in predicting the elastic properties of closed-cell aluminum foams is capturing the actual geometrical and topological characteristics precisely and efficiently such that the model can be used to predict the mechanical propertie
A novel multi-cell square tubal structure based on Voronoi tessellation for enhanced crashworthiness
Autor:
Hamza Sulayman Abdullahi, Shuming Gao
Publikováno v:
Thin-Walled Structures. 150:106690
In this paper, a novel multi-cell tubal structure with randomized cell sizes is proposed to enhance the energy absorption of the conventional square tubes by utilizing the random nature of Voronoi tessellations. Experiments were conducted to develop