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The application of the cell method in a clinical assessment of bone fracture risk

100%

Cosmi F. , Dreossi D.

2007

tom Vol. 9, nr 2

35-39

The aim of this paper is to introduce a new technique for in vivo quantification of bone structure fracture risk. The elastic properties of the architecture obtained from bone digital radiographic images are determined using the cell method. Compression tests are simulated and the results of the numerical analysis are indexed. Such an index is considered to be indicative of the bone structure capabilities. The first clinical validation was carried on at CSMMO, Centro Studi Malattie Metaboliche dell’Osso (Gorizia, Italy), showing that this technique can improve the diagnosis and help a physician in the identification of an actual fracture risk. The examination is not expensive, uses instrumentation that is widely available and therefore could be easily introduced in clinical use as a complement to the current osteoporosis diagnosis methodologies.

Multi-goal optimization of a carry-mould

100%

Reggiani B. , Cosmi F.

2009

tom Vol. 57, iss. 2

105-112

A common engineering task is the optimization of components thai are pari of multi-body assemblies, in which it is difficult to extrapolate and define the boundary conditions to be applied for the component optimization. This work presents a procedure for multi-goal optimization of components that are integrated in multipart engineering systems. The efficiency of the procedure is illustrated by means of a test case, a carry-mould that is part of a multi-component blowing machinery. Target goals of the optimization process are the minimization of moment of inertia and of global mass and the maximum allowable displacement in a number of controll points.