Calibration and Validation of Multi-phase Models for Cementitious and Geological Materials
A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Advanced Composites".
Deadline for manuscript submissions: closed (22 May 2020) | Viewed by 6457
Special Issue Editors
Interests: basic and applied research in the fields of Computational and Structural Mechanics; material and geometric nonlinear finite element models; constitutive modelling of concrete, soil and rock; multi-phase formulations in civil engineering
Interests: research in theoretical and applied research in computational structural mechanics with emphasis on tunneling and subsurface engineering; model- and data-driven methods for the steering support of construction processes; machine learning methods and uncertainty modeling in engineering; integration of BIM and computational simulation; robust optimization of steel- and fiber-reinforced concrete structures; durability mechanics; life-time analyses of reinforced concrete structures; modeling of excavation and fragmentation processes
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Special Issue Information
Dear Colleagues,
The consideration of interactions between solids and fluids and/or between different physical phenomena, such as thermal, hygral, mechanical, and chemical processes, is essential for an appropriate mathematical description of several problems in civil engineering involving cementitious and geological materials. The latter materials have a certain degree of permeability, allowing liquid or gaseous phases to enter the pore space and to interact with the surrounding solid phase. Since those interactions between different phases may strongly influence the structural behaviour, they have to be taken into account in numerical models.
On the one hand, multi-phase models are a powerful approach for considering different interacting physical phenomena. On the other hand, they require the determination of a large number of material parameters from a broad range of different, and often elaborate, experiments. Hence, the calibration and validation of multi-phase models are challenging tasks, and frequently for a given problem only some of the material parameters are calibrated from tests whereas others are taken from the literature without a specific relation to the actual problem or material. Besides consistent testing procedures, micromechanics-oriented models are helpful to obtain required macroscopic constitutive relations, which are inherently dependent on the specific microstructure of the porous material.
It is the aim of the present Special Issue to improve this unsatisfactory situation by placing a clear focus on the calibration and validation of multi-phase models for Cementitious and Geological Materials.
Prof. Dr. Günter Hofstetter
Prof. Dr. Günther Meschke
Guest Editors
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Keywords
- multi-phase models
- micromechanics-based models
- numerical models
- cementitious materials
- geological materials
- validation
- calibration
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