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Opening a new route in solid mechanics: Printed protective structures

Total Cost €


EC-Contrib. €






Project "PURPOSE" data sheet

The following table provides information about the project.


Organization address
address: CALLE MADRID 126
postcode: 28903

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Spain [ES]
 Total cost 1˙497˙506 €
 EC max contribution 1˙497˙506 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2017-STG
 Funding Scheme ERC-STG
 Starting year 2018
 Duration (year-month-day) from 2018-03-01   to  2023-02-28


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 


 Project objective

Dynamic fragmentation of metals is typically addressed within a statistical framework in which material and geometric flaws limit the energy absorption capacity of protective structures. This project is devised to challenge this idea and establish a new framework which incorporates a deterministic component within the fragmentation mechanisms. In order to check the correctness of this new theory, I will develop a comprehensive experimental, analytical and numerical methodology to address 4 canonical fragmentation problems which respond to distinct geometric and loading conditions which make easily identifiable from a mechanical standpoint. For each canonical problem, I will investigate traditionally-machined and 3D-printed specimens manufactured with 4 different engineering metals widely used in aerospace and civilian-security applications. The goal is to elucidate whether at sufficiently high strain rates there may be a transition in the fragmentation mechanisms from defects–controlled to inertia–controlled. If the new statistical-deterministic framework is proven to be valid, defects may not play the major role in the fragmentation at high strain rates. This would bring down the entry barriers that the 3D-printing technology has found in energy absorption applications, thus reducing production transportation and repairing, energetic and economic costs of protective structures without impairing their energy absorption capacity. It is anticipated that leading this cutting-edge research project will enable me to establish my own research team and help me to achieve career independence in the field of dynamic behaviour of ductile solids.


year authors and title journal last update
List of publications.
2019 T. dos Santos, A. Vaz-Romero, J.A. Rodríguez-Martínez
Dynamic cylindrical cavity expansion in orthotropic porous ductile materials
published pages: 103325, ISSN: 0734-743X, DOI: 10.1016/j.ijimpeng.2019.103325
International Journal of Impact Engineering 132 2020-02-13
2020 Xinzhu Zheng, Komi E. N’souglo, Jose A. Rodríguez-Martínez, Ankit Srivastava
Dynamics of Necking and Fracture in Ductile Porous Materials
published pages: , ISSN: 0021-8936, DOI: 10.1115/1.4045841
Journal of Applied Mechanics 87/4 2020-02-13
2019 T. dos Santos, K.E. N’souglo, J.A. Rodríguez-Martínez
Dynamic spherical cavity expansion in Gurson materials with uniform and non-uniform distributions of porosity
published pages: 115-131, ISSN: 0167-6636, DOI: 10.1016/j.mechmat.2019.04.017
Mechanics of Materials 134 2019-08-05
2019 A. Vaz-Romero, S. Mercier, J. A. Rodríguez-Martínez, A.Molinari
A comparative study of the dynamic fragmentation of non-linear elastic and elasto-plastic rings: the roles of stored elastic energy and plastic dissipation
published pages: , ISSN: 0167-6636, DOI: 10.1016/j.mechmat.2019.02.002
Mechanics of Materials 2019-03-20

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