National Repository of Grey Literature 5 records found  Search took 0.01 seconds. 
Vibration analysis of plates
Kubeš, Filip ; Machů, Zdeněk (referee) ; Rubeš, Ondřej (advisor)
The focus of this bachelor thesis is finding natural frequencies and shapes of thin plate, by using mainly the Chladni figures. Then there is requiered an experimental demonstration on plate excitated, designed acording to FEM model. FEM model was created using software Ansys 2019 workbench. The experiment have been done on plexiglass plate, steel square plate and steel rectangular plate, and aquired frequencies and shapes were compared with the model results. The plates were excitated by electrodynamic shaker from the company The Modal shop, inc. (type K2007E01).
Vibration analysis of plates
Kubeš, Filip ; Machů, Zdeněk (referee) ; Rubeš, Ondřej (advisor)
The focus of this bachelor thesis is finding natural frequencies and shapes of thin plate, by using mainly the Chladni figures. Then there is requiered an experimental demonstration on plate excitated, designed acording to FEM model. FEM model was created using software Ansys 2019 workbench. The experiment have been done on plexiglass plate, steel square plate and steel rectangular plate, and aquired frequencies and shapes were compared with the model results. The plates were excitated by electrodynamic shaker from the company The Modal shop, inc. (type K2007E01).
Analytical, numerical and experimental investigation of non-stationary state of stress in a thin viscoelastic plate
Adámek, V. ; Valeš, František
Presented work deals with solution of non-stationary state of stress in a thin viscoelastic plate.
Numerical and experimental study of stress wave propagation in thin steel plate
Kolman, R. ; Kuliš, Z. ; Trnka, Jan ; Plešek, Jiří ; Pták, Svatopluk
The paper deals with the research wave propagation in the thin isotropic plate. The problem is solved both numerically and experimantally. The full- fiel visualisation of the displacements caused by generated waves was carried out by double-pulse holointerferometry. The perpendicular impact to the surface of the plate was generated by means of a sample with an exploding wire. The numerical and experimental results are compared and discused.
Guided wave problems were studied by numerical and experimental methods
Kačor, Aleš ; Trnka, Jan ; Veselý, Eduard
Finite element method was used to analyze guided wave propagation in a thin steel plate. Numerical results were compared with experimental data obtained by double pulse holointerferometry.

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