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Item Metadata only Einstein–Skyrme black hole’s novel first law of Skyrmion’s black hole thermodynamics(2026-03-01) Senjaya D.; Klaypong A.; Senjaya D.; Mahidol UniversityWe investigate the thermodynamics and phase structure of an extremely rare exact, static and spherically symmetric black hole solution in the Einstein–Skyrme theory. The solution is characterized by two matter-sector couplings: K, which controls... thermodynamics by treating both K and λ as extensive thermodynamic variables. Within this framework, we derive the Hawking temperature, Gibbs free energy and heat capacity and analyze the resulting phase structure in the G-T and CH-T planes. Using an implicitPublication Open Access Effective properties of piezoelectric fiber-reinforced composites with imperfect interface(2017-03-01) Yasothorn Sapsathiarn; Rattanan Tippayaphalapholgul; Teerapong Senjuntichai; Mahidol University; Chulalongkorn Universitywith imperfect fiber-matrix interface bonding conditions. The micromechanics analysis is based on the periodic microfield micromechanics theory and the boundary element method (BEM). The imperfect bonding between the piezoelectric fibers and matrix is takenPublication Open Access Mechanistic models for nanobeams with surface stress effects(2018-11-01) Y. Sapsathiarn; R. K.N.D. Rajapakse; Simon Fraser University; Mahidol Universityformulations. A key difference in the shear force boundary condition is noted. Analytical solutions for simply supported, cantilevered, and fixed-fixed beams are reexamined. It is shown that the unusual behavior of nanocantilevers predicted by the Young-Laplace