Modal test, its purpose and way of performing, basic concepts.
Dual channel analysis, definition of basic functions, coherence function.
Mobility measurement methods, basic measurement set-up.
Analyzers, digital signal processing.
Excitation methods.
Introduction to experimental modal analysis theory. One degree-of-freedom system, description and properties of 1 DOF frequency response function.
Undamped multi degree-of-freedom system, orthogonal properties and modal shapes scaling.
Damped multi degree-of-freedom system, types of damping.
Methods of extracting modal parameters.
Creating mathematical models of a structure (response, modal and spatial models).
Methods of comparing theoretical (FEM) model and experimentally derived model, modal assurance criterion, mass and stiffness error matrices.
Structural modifications.
Operational deflection shapes. Application of experimental modal analysis in technical diagnostics,
Operational modal analysis, multiple-input multiple-output analysis.
Dual channel analysis, definition of basic functions, coherence function.
Mobility measurement methods, basic measurement set-up.
Analyzers, digital signal processing.
Excitation methods.
Introduction to experimental modal analysis theory. One degree-of-freedom system, description and properties of 1 DOF frequency response function.
Undamped multi degree-of-freedom system, orthogonal properties and modal shapes scaling.
Damped multi degree-of-freedom system, types of damping.
Methods of extracting modal parameters.
Creating mathematical models of a structure (response, modal and spatial models).
Methods of comparing theoretical (FEM) model and experimentally derived model, modal assurance criterion, mass and stiffness error matrices.
Structural modifications.
Operational deflection shapes. Application of experimental modal analysis in technical diagnostics,
Operational modal analysis, multiple-input multiple-output analysis.