Contents 2016o - Revision history

Cinmemj at 11:44, 28 June 2019

2019-06-28T11:44:02Z

Cinmemj at 11:43, 28 June 2019

2019-06-28T11:43:34Z

Cinmemj at 11:42, 28 June 2019

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Cinmemj at 11:41, 28 June 2019

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Cinmemj at 11:41, 28 June 2019

2019-06-28T11:41:41Z

Complascontents at 13:32, 19 July 2016

2016-07-19T13:32:10Z

Complascontents at 13:30, 19 July 2016

2016-07-19T13:30:44Z

Scipediacontent at 11:10, 19 July 2016

2016-07-19T11:10:58Z

Scipediacontent at 11:10, 19 July 2016

2016-07-19T11:10:37Z

Complascontents: Complascontents moved page Draft Contents 606338780 to Contents 2016o

2016-06-29T09:55:15Z

Complascontents moved page Draft Contents 606338780 to Contents 2016o

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 * [//congress.cimne.com/complas2015/frontal/default.asp Complas XIII] Official Website of the Conference.
 * [//www.cimnemultimediachannel.com/ CIMNE Multimedia Channel]
 ==References==

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 * [//congress.cimne.com/complas2015/frontal/default.asp Complas XIII] Official Website of the Conference.
 * [//www.cimnemultimediachannel.com/ CIMNE Multimedia Channel]
-* [http://congress.cimne.com/complas2015/frontal/default.asp]
+* [//congress.cimne.com/complas2015/frontal/default.asp]
 ==References==

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 * [//congress.cimne.com/complas2015/frontal/default.asp Complas XIII] Official Website of the Conference.
 * [//www.cimnemultimediachannel.com/ CIMNE Multimedia Channel]
-* [[congress.cimne.com/complas2015/frontal/default.asp]]
+* [http://congress.cimne.com/complas2015/frontal/default.asp]
 ==References==

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 * [//congress.cimne.com/complas2015/frontal/default.asp Complas XIII] Official Website of the Conference.
 * [//www.cimnemultimediachannel.com/ CIMNE Multimedia Channel]
 * [[congress.cimne.com/complas2015/frontal/default.asp]]

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 * [//congress.cimne.com/complas2015/frontal/default.asp Complas XIII] Official Website of the Conference.
 * [//www.cimnemultimediachannel.com/ CIMNE Multimedia Channel]
 ==References==

← Older revision		Revision as of 13:32, 19 July 2016
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	* [//congress.cimne.com/complas2015/frontal/default.asp Complas XIII] Official Website of the Conference.		* [//congress.cimne.com/complas2015/frontal/default.asp Complas XIII] Official Website of the Conference.
	* [//www.cimnemultimediachannel.com/ CIMNE Multimedia Channel]		* [//www.cimnemultimediachannel.com/ CIMNE Multimedia Channel]
		+
		+	==References==
		+	<div id="1"></div>
		+	[[#cite-1\|[1]]] E. Tadmor, M. Ortiz, and R. Phillips, “Quasicontinuum analysis of defects in solids”, Philos.
		+	Mag. A 73, 1529-1563 (1996).
		+	<div id="2"></div>
		+	[[#cite-2\|[2]]] V. Shenoy, R. Miller, E. Tadmor, D. Rodney, R. Phillips and M. Ortiz, “An adaptive finite
		+	element approach to atomic-scale mechanics – the quasicontinuum method”, J. Mech. Phys.
		+	Solids 47, 611-642 (1999).
		+	<div id="3"></div>
		+	[[#cite-3\|[3]]] G. Venturini, K. Wang, I. Romero, P. Ariza and M. Ortiz, “Atomistic long-term simulation of
		+	heat and mass transport”, J. Mech. Phys. Solids 73, 242-268 (2014).
		+	<div id="4"></div>
		+	[[#cite-4\|[4]]] J. S. Amelang, G. N. Venturini and D. M. Kochmann, “Summation rules for a fully-nonlocal
		+	energy-based quasicontinuum method”, J. Mech. Phys. Solids, under review (2014).
		+	<div id="5"></div>
		+	[[#cite-5\|[5]]] J. S. Amelang and D. M. Kochmann, “Surface effects in nanoscale structures investigated by a
		+	fully-nonlocal energy-based quasicontinuum method”, Mech. Mater., under review (2015).

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 ==Abstract==
-Dislocation interactions and failure mechanisms at mesoscopic length scales of metallic materials are usually out of reach of atomistic simulations, thus requiring effective continuum models to describe their collective behavior and the resulting constitutive response. Coarse-graining the crystalline atomic ensemble, e.g. by means of the quasicontinuum (QC) approximation combined with techniques to accelerate atomistic simulations, provides an avenue to locally retain atomistic accuracy while being applicable to larger scales. One such method, the fully-nonlocal energy-based QC technique allows us to simulate the response of crystalline solids solely based on interatomic potentials but at significantly larger length scales than conventional molecular dynamics (MD). Here, we will apply this approach to study defect mechanisms in representative copper and aluminum single- and polycrystals. Among others, we will demonstrate the importance of coarsegrained atomistic simulations to avoid modeling artifacts inherited from nanoscale MD simulations.
+Dislocation interactions and failure mechanisms at mesoscopic length scales of metallic materials are usually out of reach of atomistic simulations, thus requiring effective continuum models to describe their collective behavior and the resulting constitutive response. Coarse-graining the crystalline atomic ensemble, e.g. by means of the quasicontinuum (QC) approximation [<span id='cite-1'></span>[[#1|1]], <span id='cite-2'></span>[[#2|2]]] combined with techniques to accelerate atomistic simulations [<span id='cite-3'></span>[[#3|3]]], provides an avenue to locally retain atomistic accuracy while being applicable to larger scales. One such method, the fully-nonlocal energy-based QC technique [<span id='cite-4'></span>[[#4|4]], <span id='cite-5'></span>[[#5|5]]] allows us to simulate the response of crystalline solids solely based on interatomic potentials but at significantly larger length scales than conventional molecular dynamics (MD). Here, we will apply this approach to study defect mechanisms in representative copper and aluminum single- and polycrystals. Among others, we will demonstrate the importance of coarsegrained atomistic simulations to avoid modeling artifacts inherited from nanoscale MD simulations.
 Void nucleation, growth and coalescence are important mechanisms responsible for spall and ductile failure. By simulating individual nano-voids and collections of voids under hydrostatic and multiaxial loading, we investigate (i) the nucleation of defects and the associated failure mechanisms at sufficiently-large loads, and (ii) the importance of coarse-grained atomistic techniques to avoid modeling artefacts and size effects in small representative volume elements treated by conventional atomistic methods.

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 == Recording of the presentation ==
 {| style="font-size:120%; color: #222222; border: 1px solid darkgray; background: #f3f3f3; table-layout: fixed; width:100%;"
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 | {{#evt:service=youtube|id=https://youtu.be/P6C4VVy_-MU | alignment=center}}

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 {| style="font-size:120%; color: #222222; border: 1px solid darkgray; background: #f3f3f3; table-layout: fixed; width:100%;"
 |- style="border-bottom: 1px solid darkgray; text-align: center;"
 | Recording of the presentation
 |-
-| {{#evt:service=youtube|id=https://youtu.be/P6C4VVy_-MU alignment=center}}
+| {{#evt:service=youtube|id=https://youtu.be/P6C4VVy_-MU | alignment=center}}
 |- style="text-align: center;"
 | Location: Technical University of Catalonia (UPC), Vertex Building.
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 | Date: 1 - 3 September 2015, Barcelona, Spain.
 |}
 == General Information ==
 * Location: Technical University of Catalonia (UPC), Barcelona, Spain.
 * Date: 1 - 3 September 2015
-* Secretariat: [//www.cimne.com/ CIMNE] Centre Internacional de Metodes Numerics.
+* Secretariat: [//www.cimne.com/ International Center for Numerical Methods in Engineering (CIMNE)].
 == External Links ==
 * [//congress.cimne.com/complas2015/frontal/default.asp Complas XIII] Official Website of the Conference.
 * [//www.cimnemultimediachannel.com/ CIMNE Multimedia Channel]

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