National Repository of Grey Literature 62 records found  beginprevious53 - 62  jump to record: Search took 0.01 seconds. 
Wavelet transform utilization in dispersive laser-generated ultrasound signal processing
Blaháček, Michal ; Převorovský, Zdeněk ; Landa, Michal
New method of dispersion curves construction using experimental data is discussed in the paper. The method is based on CWT transform utilization.
Tvárně-křehké chování mikrotrhlin v 3D
Pelikán, Vladimír ; Hora, Petr ; Machová, Anna ; Landa, Michal
Results of several parallel molecular dynamics crack simulations in bcc iron crystals withup to 128 million atoms are presented. The crack (001)[010] of Griffith type is loaded in Mode I.We observe dislocation emission and twinning near the free sample surfaces and later plasticallyinduced crack initiation.
Elastické konstanty 2H martenzitu CuAlNi
Sedlák, Petr ; Seiner, Hanuš ; Landa, Michal ; Novák, Václav ; Šittner, Petr ; Manosa, L.
Elastic constants of cubic austenite and orthorhombic 2H martensite phases existing in Cu-Al-Ni shape memory alloy were determined by ultrasonic pulse - echo method using single crystal specimens.
Elastické vlastnosti jednotlivých fází slitin s tvarovou pamětí vyšetřovaných pomocí RUS
Landa, Michal ; Novák, Václav ; Sedlák, Petr ; Manosa, L. ; Šittner, Petr
Elastic constants of the austenite phase in CuAlNi shape memory alloys single crystal and their temperature dependence were determination by ultrasonic pulse-echo and resonant ultrasound spectroscopy methods. RUS is novel method in which all components of elastic tensor are detrmined from measured resonance frequencies of freely vibrating speciment.
Počítačová implementace metody FEM-RUS pro kompositní materiály
Kolman, Radek ; Plešek, Jiří ; Landa, Michal
Fixed point iteration method within the finite element discretization was developed to replace the Levenberg-Marquardt procedure. Application to bicrystals.
Modification Levenberg-Marquardt method RUS for application in the FEM
Plešek, Jiří ; Kolman, Radek ; Landa, Michal
Fixed point iteration method within the finite element discretization was developed to replace the Levenberg-Marquardt procedure Computational aspects.

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