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Numerical Methods for Modeling Dynamic Fracture of Materials

Hopkins Extreme Materials Institute (HEMI)

Monday, April 9, 2018 at 8:00 AM - Tuesday, April 10, 2018 at 5:00 PM (EDT)

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Ticket Type Sales End Price Fee Quantity
Professional Registration Mar 26, 2018 $900.00 $0.00
Student Registration Mar 26, 2018 $500.00 $0.00

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Event Details

Instructor: Prof. J.F. Molinari

Director Computational Solid Mechanics Laboratory, Civil Engineering Institute, Institute of Materials Science, Ecole Polytechnique Fédérale de Lausanne (EPFL), Switzerland

About the course:

This two-day short course will provide an overview of modern numerical methods for dynamic failure of brittle or quasi-brittle materials.

The first part of the course will be devoted to survey the fundamental concepts of wave dynamics and fracture mechanics. It will give the participants a common vocabulary and cover the main physics that robust numerical methods ought to reproduce.

In the second part we will review the main building blocks of the finite-element method, with an emphasis on dynamics. Explicit and implicit time integration will be covered. We will discuss two strategies to model dynamic crack propagation: the discrete approach in the form of the cohesive-element method, and a non-local smeared-crack approach, in the form of the phase-field method. These methods will be compared on benchmark problems, including dynamic fragmentation and dynamic crack branching instabilities.

Finally, the last afternoon will be dedicated to a hands-on tutorial. Participants will acquire direct experience of numerical simulations of dynamic crack propagation using the open-source HPC finite-element software Akantu, a code developed at EPFL. A webinar will be organized with scientific staff from EPFL to provide adequate support during the tutorial. Some basic knowledge in Python programming language is recommended.

Registration includes course materials and a continental breakfast and lunch on both days of the workshop.

Have questions about Numerical Methods for Modeling Dynamic Fracture of Materials ? Contact Hopkins Extreme Materials Institute (HEMI)

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When & Where


Johns Hopkins University
Homewood Campus, Malone Hall Room G33/35
Baltimore, MD 21218

Monday, April 9, 2018 at 8:00 AM - Tuesday, April 10, 2018 at 5:00 PM (EDT)


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Organizer

Hopkins Extreme Materials Institute (HEMI)

HEMI addresses the fundamental science issues associated with materials under extreme conditions. Our aim is to teach the world how to think about materials in extreme environments.

hemi.jhu.edu

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Numerical Methods for Modeling Dynamic Fracture of Materials
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