57th International Conference on Experimental Stress Analysis (EAN 2019) Luhacovice, Czech Republic 3-6 June 2019 Editors: Jindřich Petruška Tomáš Návrat Lubomír Houfek František Šebek ISBN: 978-1-5108-8969-9
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Contents BARTONÍČEK Pavel, MARTONKA Rudolf, RYVOLOVÁ Martina: Comparison of the temperature comfort of the car seat at a freezing temperature... 9 CABRNOCH Bohuslav, KRÁL Michal, KRUML Josef: The validation of numerical models of potted inserts in sandwich structures based on experimental testing... 13 CÉZOVÁ Eliška: Design concept of sandwich beams deflection... 19 ČAPEK Jiří, ČERNÝ Ivo, TROJAN Karel, GANEV Nikolaj, KEC Jan, NĚMEČEK Stanislav: Investigation of residual stresses in high-cycle loaded laser steel welds... 24 ČERNÝ Miroslav: Probabilistic Kitagawa-Takahashi diagram in corrosion fatigue for steam turbines... 30 DOUBRAVA Radek, OBERTHOR Martin, BĚLSKÝ Petr, VÍCH Ondřej: An Improvement of measurement technique for high speed impact tests analysis... 33 DOUBRAVA Karel, PONÍŽIL Tomáš, KULÍŠEK Viktor, POŠVÁŘ Zdeněk, RŮŽIČKA Milan: Experimental and numerical analysis of the head tube joint strength... 42 DOUBRAVA Karel, DVOŘÁK Milan, DOUBRAVA Radek, VÁCLAVÍK Jan, RŮŽIČKA Milan: Experimental analysis of jet engine air channel impact resistance by means of strain gauges and FBG sensors... 50 DUB Martin, ŠTOČEK Ondřej, HAAS Filip, VESELÝ Tomáš, KUČERA Lukáš, DYNYBYL Vojtěch: Monitoring of deep core drilling operational parameters... 58 ĎUREJE Jakub, PROŠEK Zdeněk: Foamed cement paste with micronized recycled concrete - measuring of compressive strength and thermal conductivity... 66 DUSANEK Tomas: Predicting methods for weight and stability performance of a new Mini Excavator... 70 DVOŘÁK Milan, SCHMIDOVÁ Nikola, DOUBRAVA Karel, VÁCLAVÍK Jan, RŮŽIČKA Milan: Fiber optic strain sensor system for structural analysis of jet engine air intake... 77 FEDORKO Mikulaš, URBÁNEK Miroslav, RUND Martin: Determination edge strain for fracture prediction of cut edges in sheets made of DP1000 and DC01 steel... 81 FRYDRÝŠEK Karel, ČEPICA Daniel, HALO Tomáš: Biomechanics Probabilistic anthropometry approach for sitting human and seat... 90 FRYDRÝŠEK Karel, HALO Tomáš, ČEPICA Daniel, FOJTÍK František, KOLÁŘ Václav, PLEVA Leopold: Biomechanics Pulling out of infusion hoses... 97 FUSEK Martin, PORUBA Zdeněk, HALAMA Radim, BĚLÍK Radomír, FRANTIŠEK Ondřej, SCHNEIDER Markus, BIAGINI Veronica, SADÍLEK Marek: Influence of loading speed on yield strength value of S235 and C45 steels... 102 HAGARA Martin, PÁSTOR Miroslav, DELYOVÁ Ingrid: Set-up of the standard 2D-DIC system for quantification of residual stresses... 106 HAVLÍČEK Martin, DUB Martin, LOPOT František: Optical analysis of low-floor tram drive motions... 115 HOIDEKR Jan, MACHAČ Martin, TUREK Oskar: Determining coefficient of friction between oilseeds and rotor blade of hulling machine using equation of motion... 121 HOLČAPEK Ondřej, REITERMAN Pavel, KOŤÁTKOVÁ Jaroslava: Non-destructive analysis of concrete from Northwest Bohemia defence structure built in 1937... 125 HOMOLA Petr, RŮŽEK Roman, KADLEC Martin, HRON Robin: Comparison of fatigue life of 2024 and 7475 welded joints with kissing bond defects... 129 4
HRON Robin, MARTAUS František, KADLEC Martin: Peel resistance of geopolymer sandwich with foam and honeycomb cores... 136 HRUŠ Tomáš, HERMANN Martin: Undercut shape optimization with genetic algorithm and FreeFem++... 142 HUŇADY Róbert, PAVELKA Peter, LENGVARSKÝ Pavol: The estimation of equivalent material parameters of a combined rubber/steel sheet using modal analysis... 146 JÁNSKÁ Danuše, URBÁNEK Miroslav, MAŠEK Martin: Advanced material model for numerical simulations of fine blanking... 151 JERÁBEK Róbert, ÉCSI Ladislav: An alternative neo-hookean material model with internal damping for finite-strain elastoplasticity... 160 JÍRA Aleš, HÁJKOVÁ Petra, ŘEHOUNEK Luboš: Trabecular structures as efficient surface of dental implants... 169 JÍROVÁ Radka, PEŠÍK Lubomír: Measurement and simulation of dynamic systems parameters... 175 JUNEK Lubomír, SIEGL Jan, HAUŠILD Petr, ERNESTOVÁ Miroslava, BYSTRIANSKÝ Jaroslav: Damage analysis of dissimilar metal welds of power equipment... 179 KADLEC Martin, ZDĚBLO Jakub, ZDĚNEK Pavel, BĚHAL Jiří: Application of digital image correlation to vibration analysis of the composite air inlet during acoustic loading... 184 KAĽAVSKÝ Adam, HUŇADY Róbert, KICKO Michal: Short overview of current methods for detecting fatigue limit... 189 KALIVODA Jan, BAUER Petr: Measurement of wheel-rail contact forces at the experimental roller rig... 194 KAŇÁKOVÁ Sandra, KOTTNER Radek, BOŃKOWSKI Tomasz: Influence of temperature on foam used in motorcycle protective equipment... 202 KANAVAL Jan: Experimental evaluation of thread locking methods for secure connections... 209 KOSTKA Ján, PÁSTOR Miroslav, ČARÁK Peter, FRANKOVSKÝ Peter, KULA Tomáš: Analysis of the causes of defects in structural elements with a combination of hole drilling methods and photoelasticimetry... 214 KRÁL Michal, CABRNOCH Bohuslav, HOLÝ Stanislav: The role of experiment in the proposal of new approach for the prediction of stiffness reduction of composite structures under fatigue loading... 225 KRCMARIK David, CYRUS Jindrich, PETRU Michal, KOCI Jan: Motion tracking in mixed reality... 232 KŘIČKA Jaroslav: Analysis of internal forces in chassis of bucket wheel excavator... 241 KUKLÍK Martin, KLOUDA Filip, RULC Vojtěch, KRIŽAN Jiří: Development of material law for simulation of ultrasonic welding... 245 LENGVARSKÝ Pavol, BOCKO Jozef, SHIMANOVSKY Alexandr: Influence of defects in carbon nanotubes on their buckling behaviour... 249 LOPOT Frantisek, DUB Martin, KUBOVY Petr: Improvement in accuracy of strain gauge measurements for using in high precision measurements of gearboxes efficiency... 258 LUFINKA Aleš: Crash test of a tow hitch for car trailers... 264 MALY Pavel, SINGH Shuvay, VUILLERMET Raphael: FEA of NSW structure to predict deflection during a large assembly... 269 MANDYS Tomáš, LAŠ Vladislav, ZEMČÍK Robert, KRYSTEK Jan: Testing of honeycomb sandwich panel with potted insert... 273 5
MELCER Jozef: Using technical seismicity to identify some modal characteristics of a bridge... 279 MELZEROVÁ Lenka, ŠMÍDOVÁ Eliška: Different types of damages of glued laminated timber beams... 283 MIKULA Pavol, RYUKHTIN Vasil, ROGANTE Massimo: On a possible use of neutron three axis diffractometer for studies of elastic and plastic deformation of polycrystalline materials... 286 MISHRA Rajesh, MILITKY Jiri, PETRU Michal: Compression resilience and impact resistant properties of fibre reinforced sandwich composites... 291 MISHRA Rajesh, MILITKY Jiri, PETRU Michal: Hybrid fabrics for composites reinforcement... 299 MOEZZI Reza, HLAVA Jaroslav, KRČMAŘÍK David, KOČÍ Jan: Experimental technique to enhance SLAM modelling of autonomous vehicle with Microsoft Hololens... 314 OKROUHLÍK Miloslav: Theory vs. experiment... 322 ONDRÁŠEK Jiří, HEJNOVÁ Monika: Experimental method of the service life estimation of a general kinematic pair of a cam mechanism... 344 PADEVĚT Pavel, BITTNAR Petr, MUŽÍKOVÁ Barbora: Comparison of shrinkage of the rammed earth prepared from illitic and illitic-kaolinitic clay... 356 PADOVEC Zdeněk, SEDLÁČEK Radek, ZÁMEČNÍKOVÁ Tereza: Testing of C/PPS structural element for aircraft... 361 PÁSTOR Miroslav, BOCKO Jozef, LENGVARSKÝ Pavol, PRADA Erik: Numerical and experimental analysis of high precision positioning system... 365 PAVELKA Peter, HUŇADY Róbert, LENGVARSKÝ Pavol, KICKO Michal: The application of motion magnification method in 3D digital image correlation... 373 PAZDERA Lubos, TOPOLAR Libor, DVORAK Richard, HODULAKOVA Michaela, PLSKOVA Iveta, BILEK Vlastimil, MIKULASEK Karel: Using modal-parameter-based analysis of the behaviour of alkali-activated material with surface degraded by ultraviolet radiation... 378 PEČENKA Luboš, HALAMA Radim, FOJTÍK František, PAŠKA Zbyněk, ROJÍČEK Jaroslav: Hybrid method suitable for measurement of residual stresses by hole-drilling technique... 384 PETR Karel: Calculation of the container for municipal waste collection and simulation of welds using FEM... 390 PETRIKOVA Iva, MARVALOVA Bohdana, BĚHÁLEK Luboš, NĚMEC David: Experimental investigation of thermo-mechanical properties of one thermo-responsive shape memory polymer... 395 PETRŮ Michal, WANG Xiaomeng: Experimental and modelling study of effect of surface treatment on the creep condition of flax fiber reinforced composites... 403 NOVÝ František, PETRŮ Michal: Experimental and FEM modelling for optimization of lightweight steel structures supported by fatigue tests of modern high strength structural steels... 408 PLAČEK OTCOVSKÁ Tereza, MUŽÍKOVÁ Barbora, PADEVĚT Pavel: Unfired earth and diagnostics with methylene blue test... 415 PODSTAWKA Michal, BĚLSKÝ Petr: Non-destructive inspection of L410 NG aircraft structure during full-scale fatigue tests... 420 POŠVÁŘ Zdeněk, RŮŽIČKA Milan, KULÍŠEK Viktor, MAREŠ Tomáš, UHER Ondrej, DOUBRAVA Karel: Experimental verification of analytical model for deflection prediction of hybrid carbon fibre profile under three point bending tests... 426 PROŠEK Zdeněk, TESÁREK Pavel, TREJBAL Jan, PLACHÝ Tomáš: Mechanical properties of cement pastes with fine old concrete, influence of different type of approach mixing... 434 6
RACHAČ Marek, DUB Martin, LOPOT František, HOŠEK Jan, GALIMOV Artem: Forces caused by vacuum spring bellows during pumping of the quadrupole magnet module... 438 RŮŽEK Roman, DOUBRAVA Radek, KRUSE-STRACK Thomas, KOERWIEN Thomas: Possibilities of airframe structures cost saving through reducing number of fasteners... 442 RYVOLOVÁ Martina, VOSÁHLO Josef: Comparison of mechanical properties of woven carbon reinforcements... 450 ŘEHA Bohuslav, ZAWADA Josef, KWACZEK Milan, ĎURIŠ Radek: Measurement of residual stresses in the hole of railway axle... 455 SEDLÁČEK Radek, SUCHÝ Tomáš, PADOVEC Zdeněk: Degradation of mechanical properties of magnesium alloy... 459 SCHMIDOVÁ Nikola, DVOŘÁK Milan, RŮŽIČKA Milan: Comparison of the published contact configurations for the determination of electrical resistivity of CFRP composite... 462 SKALICKÝ David, KOUCKÝ Václav, VÍTĚZNÍK Martin, LOPOT František: Using mathematical analysis for bronchial obstruction detection... 469 SLÁMA David, NÁVRAT Tomáš, KREJČÍ Petr: Experimental FEM validation of the composite recurve bow... 475 SMUTNY Jaroslav, JANOSTIK Dusan, NOHAL Viktor, PAZDERA Lubos: The analysis of dynamic effects in the frog part of railway switches... 482 ŠEBEK František, KUBÍK Petr, PETRUŠKA Jindřich, ZAPLETAL Josef: Non-associated flow rule in the prediction of complex stress states and deformations... 488 ŠEBÍK Marek, POPOVIČ Miloslav, DRDLOVÁ Martina: High velocity testing of concrete composites... 493 ŠEDEK Jakub, MICHALCOVÁ Lenka: Fatigue crack growth reconstitution in the specimen representing longitudinal joint of an integral panel... 496 ŠEVČÍK Ladislav, LUFINKA Aleš: Mechanical structures made of high-strength sheets or composites for electric vehicles... 502 ŠIMIĆ PENAVA Diana, PENAVA Željko, KNEZIĆ Željko: Prediction of the tensile breaking force and extension at break of woven fabrics in an arbitrary direction... 506 ŠTÁDLER Marek, DUB Martin: Stress analysis of a tank for bulk materials... 512 ŠTOČEK Ondřej, HAVLÍČEK Martin, LOPOT František, KUBOVÝ Petr: Use of durometer to determine trapezius muscle relaxation... 517 TANČIN Milan: Substituting a conventional ram frame with a variants of sandwich structure... 521 TESÁREK Pavel, ZOBAL Ondřej, PROŠEK Zdeněk, PLACHÝ Tomáš: Optimization of cement composites composition with milled recycled concrete and admixture of slag and lime hydrate... 529 TROJAN Karel, VLK Aleš, ČAPEK Jiří, HERVOCHES Charles, GANEV Nikolaj: Residual stresses of laser-welded pressure vessel steel determined by X-ray and neutron diffraction... 535 VÁCLAVÍK Jaroslav, HEJMAN Marek, WEINBERG Otakar: Groove grinding method for near the surface residual stress measurement... 540 VAKRČKA Petr, JÍRA Aleš, ŘEHOUNEK Luboš: Numerical analyses of the gyroid structure for use in dental and orthopaedic implants... 544 ZDĚNEK Pavel, RŮŽEK Roman, KUCHARSKÝ Pavel, KŘENA Josef: Mechanical joining of thermoplastic composites - bearing behaviour simulation and validation... 548 7
Index of Authors... 556 8