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personal data approved: 2016. IX. 21.
Personal data
name István Keppler
year of birth 1972
name of institution
doctoral school
SzIE Doctoral School of Mechanical Engineering (Academic staff member)
accreditation statement submitted to: Szent István University, Gödöllő
Contact details
E-mail address Keppler.Istvangek.szie.hu
phone number +36 28 522-042
Academic title
scientific degree, title Ph.D.
year degree was obtained 2007
discipline to which degree belongs agricultural engineering
institution granting the degree Szent Istvan University
Employment
2008 - VM Mezőgazdasági Gépesítési Intézet (research institute, not university)
other (not specified) (kutató mérnök)
2002 - Szent István University, Gödöllő
university professor or researcher
Thesis topic supervisor
number of doctoral students supervised until now
number of students who fulfilled course requirements
students who obtained their degrees:
students with degree granting in process:
(50%) Adrienn Bablena PhD (2019/08)  DSME-SzIE
completed course requirement, without degree or degree granting in process:
(50%) Attila Varga (PhD) 2016/08  DSME-SzIE
  Thesis topic proposals
Research
research area mechanics of granular materials engineering mechanics
research field in which current research is conducted agricultural engineering
Publications
2016

Keppler I, Varga A, Szabo I, Katai L, Fenyvesi L: Particle motion around open mixing screws: optimal screw angular velocity, ENGINEERING COMPUTATIONS 33: (3) pp. 896-906.
type of document: Journal paper/Article
language: English
DOI 
2016

Keppler I, Safranyik F, Oldal I: Shear test as calibration experiment for DEM simulations: a sensitivity study, ENGINEERING COMPUTATIONS 33: (3) pp. 742-758.
type of document: Journal paper/Article
language: English
DOI 
2016

Zachár András, Keppler István, Oldal István: Investigation of the applicability and efficiency of different mathematical modeling and numerical simulation methods for soil tool interaction, JOURNAL OF COMPUTATIONAL AND APPLIED MECHANICS 11: (1) pp. 77-94.
type of document: Journal paper/Article
language: English
2015

Istvan Keppler, Zoltan Hudoba, Istvan Oldal, Attila Csatar, Laszlo Fenyvesi: Discrete element modeling of vibrating tillage tools, ENGINEERING COMPUTATIONS 32: (2) pp. 308-328.
type of document: Journal paper/Article
number of independent citations: 1
language: English
DOI 
2013

Keppler István: FAILURE ANALYSIS OF PEBBLE BED REACTORS DURING EARTHQUAKE BY DISCRETE ELEMENT METHOD, NUCLEAR ENGINEERING AND DESIGN 258: pp. 102-106.
type of document: Journal paper/Article
number of independent citations: 2
language: English
DOI 
2012

Oldal István, Keppler István, Csizmadia Bela, Fenyvesi Laszlo: Outflow properties of silos: The effect of arching, ADVANCED POWDER TECHNOLOGY 23: (3) pp. 290-297.
type of document: Journal paper/Article
number of independent citations: 11
language: English
DOI 
2012

Keppler István, Kocsis László, Oldal István, Farkas István, Csatár Attila: GRAIN VELOCITY DISTRIBUTION IN A MIXED FLOW DRYER, ADVANCED POWDER TECHNOLOGY 23: (6) pp. 824-832.
type of document: Journal paper/Article
number of independent citations: 17
language: English
DOI 
2011

Keppler István, Csatár Attila: Determination of granular assemblies’ discrete element material parameters by modelling the standard shear test., SUSTAINABLE CONSTRUCTION & DESIGN 2: pp. 269-274.
type of document: Journal paper/Article
number of independent citations: 2
language: English
Full text 
2010

Keppler I, Oldal I, Csatár A: Determination of granular assemblies’ discrete element material parameters by modelling the standard shear test, MECHANICAL ENGINEERING LETTERS: R AND D: RESEARCH AND DEVELOPMENT 4: pp. 212-219.
type of document: Journal paper/Article
number of independent citations: 1
language: English
URL 
2009

Keppler István: Arching in silos, a new model., BULLETIN OF THE SZENT ISTVÁN UNIVERSITY (GÖDÖLLŐ) 1: pp. 331-342.
type of document: Journal paper/Article
language: English
Number of independent citations to these publications:34 
Scientometric data
Saját közlemény- és idézőlista list of publications and citations
number of scientific publications that meet accreditation criteria:
30
number of scientific publications:
38
monographs and professional books:
0
monographs/books in which chapters/sections were contributed:
1 
number of independent citations to scientific publications and creative works:
37

 
All rights reserved © 2007, Hungarian Doctoral Council. Doctoral Council registration number at commissioner for data protection: 02003/0001. Program version: 1.2318 ( 2016. XI. 26. )