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Nicholas Ongwen
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Year
Ab initio study of elastic properties of orthorhombic cadmium stannate as a substrate for the manufacture of MEMS devices
NO Ongwen, E Ogam, HO Otunga
Materials Today Communications 26, 101822, 2021
142021
Acoustics of fractal porous material and fractional calculus
ZEA Fellah, M Fellah, NO Ongwen, E Ogam, C Depollier
Mathematics 9 (15), 1774, 2021
92021
Flow of a self-similar non-newtonian fluid using fractal dimensions
A Bouchendouka, ZEA Fellah, Z Larbi, NO Ongwen, E Ogam, M Fellah, ...
Fractal and Fractional 6 (10), 582, 2022
82022
Transient propagation of spherical waves in porous material: application of fractional calculus
ZEA Fellah, M Fellah, R Roncen, NO Ongwen, E Ogam, C Depollier
Symmetry 14 (2), 233, 2022
82022
Investigation of long acoustic waveguides for the very low frequency characterization of monolayer and stratified air-saturated poroelastic materials
AOO Erick Ogam, Zine El Abiddine Fellah, Géry Ogam, Nicholas O. Ongwen
Applied Acoustics 182 (2021), 1-13, 2021
8*2021
Accurate Ab-initio calculation of elastic constants of anisotropic binary alloys: A case of Fe–Al
NO Ongwen, E Ogam, ZEA Fellah, HO Otunga, AO Oduor, M Mageto
Solid State Communications 353, 114879, 2022
62022
Microstructural and elastic properties of stable aluminium-rich TiAl and TiAl2 formed phase Intermetallics
NO Ongwen, D Chanbi, E Ogam, HO Otunga, AO Oduor, ZEA Fellah
Materials Letters 287, 129295, 2021
62021
Acoustical properties of compressed earth blocks: Effect of compaction pressure, water hyacinth ash and lime
J Ouma, N Ongwen, E Ogam, M Auma, ZEA Fellah, M Mageto, ...
Case Studies in Construction Materials 18, e01828, 2023
52023
Effect of concentration of reactants on the optical properties of iron-doped cadmium stannate thin films deposited by spray pyrolysis
NO Ongwen, AO Oduor, EO Ayieta
American Journal of Materials Science 9 (1), 1-7, 2019
52019
Mechanical properties of Al–Mg–Si alloys (6xxx Series): A DFT-based study
KK Pius, NO Ongwen, M Mageto, V Odari, FM Gaitho
Alloys 2 (3), 213-226, 2023
32023
A Generalization of Poiseuille’s Law for the Flow of a Self-Similar (Fractal) Fluid through a Tube Having a Fractal Rough Surface
A Bouchendouka, ZEA Fellah, Z Larbi, NO Ongwen, E Ogam, M Fellah, ...
Fractal and Fractional 7 (1), 61, 2023
32023
Thermal properties and pressure-dependent elastic constants of cadmium stannate as a substrate for MEMS: An ab initio study
HO Nicholas Ongwen, Erick Ogam, Z. E. A Fellah, Maxwell Mageto, Herrick Othieno
Physica B: Condensed Matter 651 (2023), 414599(1-7), 2023
32023
Effect of deposition temperature on the optical properties of iron-doped cadmium stannate thin films deposited by spray pyrolysis
NO Ongwen, AO Oduor, EO Ayieta
University of Nairobi, 2019
32019
Investigating the Young's modulus of Cu-Al-Be shape memory alloy using a phase diagram, vibration spectroscopy and ultrasonic waves
R Benlachemi, E Ogam, N Ongwen, A Boudour, ZEA Fellah
Journal of Alloys and Compounds 976, 173010, 2024
22024
Transient propagation of longitudinal and transverse waves in cancellous bone: application of biot theory and fractional calculus
D Benmorsli, ZEA Fellah, D Belgroune, NO Ongwen, E Ogam, C Depollier, ...
Symmetry 14 (10), 1971, 2022
22022
A Comparative Thermodynamic Study of AlF3, ScF3, Al0.5Sc0.5F3, and In0.5Sc0.5F3 for Optical Coatings: A Computational Study
AB Alruqi, NO Ongwen
Coatings 13 (11), 1840, 2023
12023
Acoustics of Compressed Earth Blocks Bound Using Sugarcane Bagasse Ash and Water Hyacinth Ash
NO Ongwen, AB Alruqi
Applied Sciences 13 (14), 8223, 2023
12023
Influence of Higher Order Viscous and Thermal Effects on an Ultrasonic Wave Reflected from the First Interface of a Porous Material
ZEA Fellah, R Roncen, NO Ongwen, E Ogam, M Fellah, C Depollier
Materials 15 (3), 798, 2022
12022
Structural and Mechanical Properties of NbN Alloyed with Hf, In, and Zr for Orthopedic Applications: A First-Principles Study
AB Alruqi, NO Ongwen
Inorganics 12 (2), 43, 2024
2024
Ultrasonic propagation in fractal porous material having rigid frame
ZEA Fellah, A Bouchendouka, P Martin, L Marchand, NO Ongwen, ...
SMART 2023. Conference: 10th ECCOMAS Thematic Conference on Smart Structures …, 2023
2023
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