<html><body><div style="font-family: times new roman, new york, times, serif; font-size: 12pt; color: #000000"><div style="text-align: left;" data-mce-style="text-align: left;"><p align="center" style="margin: 0px; padding-left: 30px;" data-mce-style="margin: 0px; padding-left: 30px;"><br></p><p align="center" style="margin: 0px;" data-mce-style="margin: 0px;"><b><span lang="EN-GB" style="font-family: 'Century Gothic','sans-serif'; color: #5f5f5f;" data-mce-style="font-family: 'Century Gothic','sans-serif'; color: #5f5f5f;"><br></span></b></p><p align="center" style="margin: 0px;" data-mce-style="margin: 0px;"><b><span lang="EN-GB" style="font-family: 'Century Gothic','sans-serif'; color: #5f5f5f;" data-mce-style="font-family: 'Century Gothic','sans-serif'; color: #5f5f5f;"><img src="cid:dd0fde77f0c728d901b36db6e9b97aeb4eb81f27@zimbra" data-mce-src="cid:dd0fde77f0c728d901b36db6e9b97aeb4eb81f27@zimbra"></span></b></p><p align="center" style="margin: 0px;" data-mce-style="margin: 0px;"><b><span lang="EN-GB" style="font-family: 'Century Gothic','sans-serif'; color: #5f5f5f;" data-mce-style="font-family: 'Century Gothic','sans-serif'; color: #5f5f5f;"><br></span></b></p><p align="center" style="margin: 0px;" data-mce-style="margin: 0px;"><b><span lang="EN-GB" style="font-family: 'Century Gothic','sans-serif'; color: #5f5f5f;" data-mce-style="font-family: 'Century Gothic','sans-serif'; color: #5f5f5f;"><br></span></b></p><p align="center" style="margin: 0px;" data-mce-style="margin: 0px;"><b><span lang="EN-GB" style="font-family: 'Century Gothic','sans-serif'; color: #5f5f5f;" data-mce-style="font-family: 'Century Gothic','sans-serif'; color: #5f5f5f;">Institut za fiziku, Bijenička cesta 46,</span></b></p><p align="center" style="margin: 0px; padding-left: 30px;" data-mce-style="margin: 0px; padding-left: 30px;"><b style="text-align: left; font-size: 12pt;"><span lang="EN-GB" style="font-family: 'Century Gothic','sans-serif'; color: #5f5f5f;" data-mce-style="font-family: 'Century Gothic','sans-serif'; color: #5f5f5f;">predavaonica u zgradi Mladen Paić</span></b></p><p align="center" style="margin: 0px; padding-left: 30px;" data-mce-style="margin: 0px; padding-left: 30px;"><b style="text-align: left; font-size: 12pt;"><span lang="EN-GB" style="font-family: 'Century Gothic','sans-serif'; color: #5f5f5f;" data-mce-style="font-family: 'Century Gothic','sans-serif'; color: #5f5f5f;"><b><span lang="EN-GB" style="font-size: 14pt; color: rgb(153, 51, 0);" data-mce-style="font-size: 14.0pt; font-family: 'Century Gothic','sans-serif'; color: #993300;">srijeda, 20. studenog 2013., u 15:00 sati</span></b></span></b></p><p align="center" style="margin: 0px; padding-left: 30px;" data-mce-style="margin: 0px; padding-left: 30px;"><b><span lang="EN-GB" style="font-family: 'Century Gothic','sans-serif'; color: #5f5f5f;" data-mce-style="font-family: 'Century Gothic','sans-serif'; color: #5f5f5f;"><b><span lang="EN-GB" style="font-size: 14.0pt; font-family: 'Century Gothic','sans-serif'; color: #993300;" data-mce-style="font-size: 14.0pt; font-family: 'Century Gothic','sans-serif'; color: #993300;"> </span></b></span></b></p><p align="center" style="margin: 0px; padding-left: 30px;" data-mce-style="margin: 0px; padding-left: 30px;"><b><span lang="EN-GB" style="font-family: 'Century Gothic','sans-serif'; color: #5f5f5f;" data-mce-style="font-family: 'Century Gothic','sans-serif'; color: #5f5f5f;"><b><span lang="EN-US" style="font-size: 16.0pt; font-family: 'Arial Unicode MS','sans-serif'; color: #55913c;" data-mce-style="font-size: 16.0pt; font-family: 'Arial Unicode MS','sans-serif'; color: #55913c;">Mnogo-čestični efekti u kontaktnom međudjelovanju mekanih diskova</span></b></span></b></p><p align="center" style="margin: 0px; padding-left: 30px;" data-mce-style="margin: 0px; padding-left: 30px;"><b style="text-align: left; font-size: 12pt;" data-mce-style="text-align: left; font-size: 12pt;"><span lang="EN-GB" style="font-size: 14.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 14.0pt; font-family: 'Century Gothic','sans-serif';"> </span></b></p><p align="center" style="margin: 0px; padding-left: 30px;" data-mce-style="margin: 0px; padding-left: 30px;"><b style="text-align: left; font-size: 12pt;" data-mce-style="text-align: left; font-size: 12pt;"><span lang="EN-GB" style="font-size: 14.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 14.0pt; font-family: 'Century Gothic','sans-serif';">Dr. </span><span lang="EN-GB" style="font-size: 14.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 14.0pt; font-family: 'Century Gothic','sans-serif';">sc. Antonio Šiber</span></b></p><p align="center" style="margin: 0px;" data-mce-style="margin: 0px;"><b><span lang="EN-GB" style="font-size: 11.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 11.0pt; font-family: 'Century Gothic','sans-serif';"> </span></b></p><p align="center" style="margin: 0px;" data-mce-style="margin: 0px;"><b><span lang="EN-GB" style="font-size: 11.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 11.0pt; font-family: 'Century Gothic','sans-serif';">Institut za fiziku</span></b><b><span lang="EN-US" style="font-size: 11.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 11.0pt; font-family: 'Century Gothic','sans-serif';"></span></b></p><p align="center" style="margin: 0px; padding-left: 30px;" data-mce-style="margin: 0px; padding-left: 30px;"><b><b><i><span lang="EN-GB" style="font-size: 11.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 11.0pt; font-family: 'Century Gothic','sans-serif';">E-mail: <span style="color: blue;" data-mce-style="color: blue;"><a href="mailto:asiber@ifs.hr" data-mce-href="mailto:asiber@ifs.hr">asiber@ifs.hr</a><span class="object"><span style="text-decoration: underline;" data-mce-style="text-decoration: underline;"></span></span></span></span></i></b><br></b></p><p align="center" style="margin: 0px; padding-left: 30px;" data-mce-style="margin: 0px; padding-left: 30px;"><b><b><i><span lang="EN-GB" style="font-size: 11.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 11.0pt; font-family: 'Century Gothic','sans-serif';"><span style="color: blue;" data-mce-style="color: blue;"> </span></span></i></b></b></p><p style="margin: 0px;" data-mce-style="margin: 0px;"><b><span lang="EN-US" style="font-size: 12.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 12.0pt; font-family: 'Century Gothic','sans-serif';"> Problemi pakiranja i nakon mnogo godina istraživanja privlače pažnju (lattices, granular materials, jamming, random (close) packings ...). Pogotovo su zanimljivi, a slabo istraženi sustavi tijesno pakiranih mekanih entiteta, tipični za biologiju. Takvi su sustavi komplicirani, između ostalog, i zbog toga što su često jako deformirani pa uobičajeni, linearni, pristupi elastičnosti i energetici nisu adekvatni. Jedini konzistentni analitički pristup deformaciji i energetici tijela u kontaktu potječe još od Hertza, no i on je neprimjenjljiv za jako deformirane objekte. </span></b></p><p style="margin: 0px;" data-mce-style="margin: 0px;"><b style="font-size: 12pt;" data-mce-style="font-size: 12pt;"><b><span lang="EN-US" style="font-size: 12.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 12.0pt; font-family: 'Century Gothic','sans-serif';"> U predavanju ću prikazati specifičan 2D model elastičnosti konstruiran tako da konzistentno opisuje male i velike deformacije mekanih tijela te da se u granici malih deformacija svodi na linearnu teoriju elastičnosti. Razmotrit ću primjenu tog modela na jako deformirane rešetke mekanih diskova te ukazati na zanimljive efekte klasičnog mnogo-čestičnog djelovanja koje su posljedica nelinearnosti (odn. parne neaditivnosti) elastičnih međudjelovanja. Također ću ukazati na nejednoznačnosti koncepta "mekanog tijela" te objasniti različite manifestacije mekanosti koje se pokazuju pogotovo na velikim deformacijama.</span></b></b></p><p style="margin: 0px;" data-mce-style="margin: 0px;"><b style="font-size: 12pt;" data-mce-style="font-size: 12pt;"><b><span lang="EN-US" style="font-size: 12.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 12.0pt; font-family: 'Century Gothic','sans-serif';"> </span></b></b></p><p style="margin: 0px;" data-mce-style="margin: 0px;"><b style="font-size: 12pt;" data-mce-style="font-size: 12pt;"><b><span lang="EN-US" style="font-size: 12.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 12.0pt; font-family: 'Century Gothic','sans-serif';"> </span></b></b></p><p style="margin: 0px;" data-mce-style="margin: 0px;"><b style="font-size: 12pt;" data-mce-style="font-size: 12pt;"><b><span lang="EN-US" style="font-size: 12.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 12.0pt; font-family: 'Century Gothic','sans-serif';"><b><span lang="EN-GB" style="font-size: 11.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 11.0pt; font-family: 'Century Gothic','sans-serif';">Voditelji seminara IF-a: Nikša Krstulović i Osor Bari</span><span style="font-size: 11.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 11.0pt; font-family: 'Century Gothic','sans-serif';">šić</span></b></span></b></b></p><p align="center" style="margin: 0px; padding-left: 30px;" data-mce-style="margin: 0px; padding-left: 30px;"><b><b><span lang="EN-US" style="font-size: 12.0pt; font-family: 'Century Gothic','sans-serif';" data-mce-style="font-size: 12.0pt; font-family: 'Century Gothic','sans-serif';"> </span></b></b></p></div><div><span name="x"></span>*************************<br>Nikša Krstulović, PhD<br>Research associate<br><div><br></div>Institute of Physics<br>Bijenicka 46<br>HR-10000 Zagreb, Croatia<br><div><br></div>Phone: 00385 1 4698 872<br> 00385 1 4698 851<br>Fax: 00385 1 4698 889<br><div><br></div>http://www.ifs.hr/<br>http://spectra.ifs.hr/<br>**************************<br><div><br></div><span name="x"></span></div></div></body></html>