The behavior of a multilayered porous thermo-elastic medium with anisotropic thermal diffusivity and permeability. (June 2016)

• Record Type: Journal Article
• Authors: Ai, Zhi Yong; Wu, Quan Long
• Is Part Of: Computers and geotechnics. Volume 76(2016)
• Page Start: 129
• Page End: 139
• Publication Date: 2016-06
• Subjects: Extended precise integration method -- Thermal consolidation -- Multilayered materials -- Thermal diffusivity anisotropy -- Permeability anisotropy; Engineering geology -- Data processing -- Periodicals; Soil mechanics -- Data processing -- Periodicals; Rock mechanics -- Data processing -- Periodicals; 624.1510285
• DOI: 10.1016/j.compgeo.2016.02.020
• Languages: English
• ISSNs: 0266-352X

Abstract

Abstract: With the aid of integral transform techniques, this paper presents an extended precise integration solution for thermal consolidation problems of a multilayered porous thermo-elastic medium with anisotropic thermal diffusivity and permeability due to a heat source. From the fundamental governing equations, ordinary differential equations are derived by employing Laplace–Hankel transforms. By applying the extended precise integration method, equations in the transformed domain can be solved, and the actual solutions are further obtained by adopting a numerical inverse transformation. The accuracy and feasibility of the proposed theory is demonstrated by contrastive analysis with existing studies. Finally, several examples are carried out to investigate the influence of heat source's type, axial distance, burial depth of heat source, ratio of thermo-permeability, permeability anisotropy, thermal diffusivity anisotropy and stratification on the thermal consolidation process.