Chapter Four

Multi Field Simulation of Fracture

Luciano Simoni; Bernhard A. Schrefler     Department of Civil, Environmental and Architectural Engineering, Padova, Italy

Abstract

We present as areas of interest for multifield fracturing thermomechanical fracturing, fluid pressure induced isothermal and nonisothermal fracturing, fracturing due to radiation, drying, hydrogen embrittlement, and fractures induced by chemical effects. We discuss the most appropriate constitutive models for their simulation and choose the cohesive fracture model for quasi-brittle materials. Successively we show governing equations for a thermo-hydro-mechanical problem, which is representative for multifield problems. Possible extensions to more fields are ...

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