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The handle http://hdl.handle.net/1887/40902 holds various files of this Leiden University dissertation

Author: Deen, Merlijn Sieward van

Title: Mechanical response of foams : elasticity, plasticity, and rearrangements

Issue Date: 2016-11-09

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P ROPOSITIONS

accompanying the thesis

Mechanical Response of Foams: Elasticity, Plasticity, and Rearrangements

I

Although jammed packings are not strictly linear, they are still effectively linear.

Chapter 2 of this thesis

.

II

Strictly linear response predicts its own demise.

Chapter 2 of this thesis

.

III

Every rearrangement involves contact changes, but not every contact change is a rearrangement.

Chapter 3 of this thesis

.

IV

Localized rearrangements cannot describe the behavior of foams at low densities.

Chapter 4 of this thesis

.

V

The behavior of a jammed packing is governed by exceptional contacts rather than typical contacts.

Chapter 2 of this thesis,

Schreck et al., Phys. Rev. Lett. 107, 078 301 (2011)

.

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VI

Reporting averages without discussing the underlying distributions is confusing at best, misleading at worst.

Dagois-Bohy et al., Phys. Rev. Lett. 109, 095 703 (2012), Mizuno et al., Phys. Rev. E 93, 062 905 (2016)

.

VII

Quasi-static deformations are ill-defined below jamming.

Schreck et al., Phys. Rev. E 88, 052 205 (2013)

.

VIII

Jammed packings require a large number of irreversible events before finally yielding.

Boschan et al., Soft Matter 12, 5450 (2016)

.

IX

Scientists should choose libre, open-source, software solutions over proprietary options.

X

Programming courses should focus on problem solving rather than formalism.

Leiden, 9 november 2016

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