Institution
Polytechnic University of Milan
Education•Milan, Italy•
About: Polytechnic University of Milan is a education organization based out in Milan, Italy. It is known for research contribution in the topics: Computer science & Finite element method. The organization has 18231 authors who have published 58416 publications receiving 1229711 citations. The organization is also known as: PoliMi & L-NESS.
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TL;DR: The data structures and methods presented here are straightforward to implement, and enable the efficient tracking of complex fracture and fragmentation processes, and are demonstrated with the aid of two examples of application to dynamic fracture.
Abstract: We present a simple set of data structures, and a collection of methods for constructing and updating the structures, designed to support the use of cohesive elements in simulations of fracture and fragmentation. Initially all interior faces in the triangulation are perfectly coherent, i.e., conforming in the usual finite element sense. Cohesive elements are inserted adaptively at interior faces when the effective traction acting on those face reaches the cohesive strength of the material. The insertion of cohesive elements changes the geometry of the boundary and, frequently, the topology of the model as well. The data structures and methods presented here are straightforward to implement and enable the efficient tracking of complex fracture and fragmentation processes. The efficiency and versatility of the approach is demonstrated with the aid of two examples of application to dynamic fracture.
181 citations
TL;DR: It is shown that thermophoresis (particle drift induced by thermal gradients) in aqueous solvents displays a distinctive universal dependence on temperature, strictly related to the solvent thermal expansivity.
Abstract: By performing measurements on a large class of macromolecular and colloidal systems, we show that thermophoresis (particle drift induced by thermal gradients) in aqueous solvents displays a distinctive universal dependence on temperature. For systems of particles interacting via temperature-independent forces, this behavior is strictly related to the solvent thermal expansivity, while an additional, T-independent term is needed to account for the behavior of "thermophilic" (migrating to the warmth) particles. The former relation between thermophoresis and thermal expansion may be exploited to envisage other fruitful studies of colloidal diffusion in inhomogeneous fluids.
181 citations
University of Lyon1, University of California, Berkeley2, Polytechnic University of Milan3, University of Southampton4, University of South Florida5, University of Canterbury6, United States Army Corps of Engineers7, Aalto University8, Institute of Technology of Cambodia9, University of Maryland, College Park10
TL;DR: The results quantify the degree to which the Mekong delta is increasingly vulnerable in the face of declining sediment loads, rising seas and subsiding land, thereby informing planning for other large river basins currently embarking on rapid economic development.
181 citations
TL;DR: Three ZnAg alloys with Ag content ranging from 2.5 to 7.0wt% are designed and displayed superplasticity over a wide range of strain rates providing the possibility of exploiting forming processes at rapid rates and/or even at lower temperatures.
181 citations
TL;DR: An evidence-based concept mapping of patient empowerment terms that delineates their boundaries and mutual relationships is delivered and paves the way for a number of future research directions that can help improve the understanding of the antecedents and consequences of patient empowering policies.
181 citations
Authors
Showing all 18743 results
| Name | H-index | Papers | Citations |
|---|---|---|---|
| Alex J. Barker | 132 | 1273 | 84746 |
| Pierluigi Zotto | 128 | 1197 | 78259 |
| Andrea C. Ferrari | 126 | 636 | 124533 |
| Marco Dorigo | 105 | 657 | 91418 |
| Marcello Giroletti | 103 | 558 | 41565 |
| Luciano Gattinoni | 103 | 610 | 48055 |
| Luca Benini | 101 | 1453 | 47862 |
| Alberto Sangiovanni-Vincentelli | 99 | 934 | 45201 |
| Surendra P. Shah | 99 | 710 | 32832 |
| X. Sunney Xie | 98 | 225 | 44104 |
| Peter Nijkamp | 97 | 2407 | 50826 |
| Nicola Neri | 92 | 1122 | 41986 |
| Ursula Keller | 92 | 934 | 33229 |
| A. Rizzi | 91 | 653 | 40038 |
| Martin J. Blunt | 89 | 485 | 29225 |