Micromechanical modeling of ductile fracture of human humerus
نویسندگان
چکیده
منابع مشابه
Ductile Fracture Modeling - Theory , Experimental Investigation and Numerical Verification
The fracture initiation in ductile materials is governed by the damaging process along the plastic loading path. A new damage plasticity model for ductile fracture is proposed. Experimental results show that fracture initiation in uncracked ductile solids is sensitive to the hydrostatic pressure and is dependent on the Lode angle. The damage plasticity model is established on a "cylindrical dec...
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Weight minimization triggered the automotive industry to introduce new advanced high strength steels that show ductile fracture by microvoid evolution under deformation, resulting in unexpected failure without significant necking. Therefore, an extensive study was initiated to gain insight on the formation and development of microstructural damage in dual phase (DP) steel from a mechanical poin...
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Supracondytar fractures of the humerus are common in childhood, and in less developed countries many late malunions are seen. A restricted range of elbow movement often makes it difficult to measure varus-valgus deformity clinically. This can be assessed from bony points but may be hindered by chronic swelling around the elbow. In these cases the pronation-supination range of the forearm is alm...
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In this work, a meshfree method is used to simulate thermo-mechanical ductile fracture under finite deformation. A Galerkin meshfree formulation incorporating the Johnson-Cook damage model is implemented in numerical computations. We are interested in the simulation of thermomechanical effects on ductile fracture under large scale yielding. A rate form adiabatic split is proposed in the constit...
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ژورنال
عنوان ژورنال: Journal of Mechanical Engineering and Sciences
سال: 2020
ISSN: 2231-8380,2289-4659
DOI: 10.15282/jmes.14.2.2020.32.0544