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The discrete gradient method is proposed as a novel numerical tool to perform solid mechanics analysis directly on point-cloud models without converting the models into a finite element mesh. This method does not introduce continuous approximation of the primary unknown field variables; instead, it computes the gradients of the field variables at a node using discrete differentials involving a set of neighboring nodes. Therefore, the formulation renders a completely discrete computation that can conduct mechanical analysis on point-cloud representations of patient- specific organs without resorting to finite element method.…mehr

Produktbeschreibung
The discrete gradient method is proposed as a novel numerical tool to perform solid mechanics analysis directly on point-cloud models without converting the models into a finite element mesh. This method does not introduce continuous approximation of the primary unknown field variables; instead, it computes the gradients of the field variables at a node using discrete differentials involving a set of neighboring nodes. Therefore, the formulation renders a completely discrete computation that can conduct mechanical analysis on point-cloud representations of patient- specific organs without resorting to finite element method.
Autorenporträt
Ph.D. University of Iowa Iowa city, IA 08/2004 05/2009 Department of mechanical and industrial engineering M.S. Beijing University Beijing, China 08/2000 07/2003 Department of Mechanics and engineering science B.S. Lanzhou University Lanzhou, China 08/1996 07/2000 Department of theoretic and applied mechanics