Keywords: فرکانس طبیعی; Axially functionally graded beams; Natural frequencies; Asymptotic development method; Finite element analysis; Finite segment model;
مقالات ISI فرکانس طبیعی (ترجمه نشده)
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Keywords: فرکانس طبیعی; Diagnostic test accuracy; Systematic review; Plain language summary; Sensitivity and specificity; Natural frequencies; Communicating research;
Keywords: فرکانس طبیعی; Structural monitoring; Historic masonry towers; Natural frequencies; Empirical formula; Optimization procedures;
Keywords: فرکانس طبیعی; Flange joint; Bending stiffness; Bilinear behavior; Natural frequencies; Experimental study;
Keywords: فرکانس طبیعی; Thin-walled systems; Torus-elliptical elements; Natural frequencies; Classical theory; Numerical- analytical technique; Vibration features;
Keywords: فرکانس طبیعی; Magnetoelastic sensors; Metglas; Cantilever beam; Natural frequencies; Damage detection; Finite element;
Keywords: فرکانس طبیعی; Local and modal linear stability analysis; Integral transforms; Natural frequencies; Buckling;
Keywords: فرکانس طبیعی; Flow-induced vibration; Natural frequencies; Vibration amplitude; Shedding frequency;
Keywords: فرکانس طبیعی; Cylindrical shell; Vibration; Rotating structures; Natural frequencies; Rotating modes; Finite strip method;
Keywords: فرکانس طبیعی; Damping ratios; Motion-tracking system; Natural frequencies; Principal axes; Tree;
Keywords: فرکانس طبیعی; Multistep beam; Crack detection; Natural frequencies; Rayleigh quotient;
Keywords: فرکانس طبیعی; Laminated and sandwich structures; Damage modelling; Natural frequencies; Parametric investigations; Higher-order shear deformation theories;
Keywords: فرکانس طبیعی; Ocean riser; Precise integration method; Elastic boundary; Natural frequencies; Boundary damage;
Keywords: فرکانس طبیعی; natural frequencies; mode shapes; finite element method; boundary element method; vibration; resonance frequency; structural strength; Francis turbine;
Keywords: فرکانس طبیعی; Negative structure; Dynamic Stiffness Method; Natural frequencies; Plates with holes; Independent Coordinate Coupling Method; Rayleigh-Ritz Method;
Keywords: فرکانس طبیعی; Composite/non-uniform beams; Natural frequencies; Rayleigh quotient; Boundary functions method; Upper bound theory; Inverse problems;
Keywords: فرکانس طبیعی; Disk-like structure; Acoustic frequencies; Natural frequencies; Submerged disk; Added mass; Speed of sound;
Keywords: فرکانس طبیعی; Structural periodicity; Bloch reduction; Spectral finite element method; Natural frequencies; Frequency band gaps; Wave propagation;
Keywords: فرکانس طبیعی; Non-uniform rod; Longitudinal vibration; Multiple cracks; Natural frequencies; Inverse problem;
Keywords: فرکانس طبیعی; Vibration; Circular cylindrical shells; Free boundary conditions; Rotating shells; Elastic foundation; Rotating modes; Analytical methods; Natural frequencies; Mode shapes;
Keywords: فرکانس طبیعی; Crack; Identification; Unknown boundary conditions; Rods; Beams; Natural frequencies; Inverse problems;
Keywords: فرکانس طبیعی; Mass Remnant Ratio (MRR); Ligament Efficiency; Aspect Ratio; Perforated Plates; Natural Frequencies
Keywords: فرکانس طبیعی; Finite element method; Modal analysis; Natural frequencies; Propeller blade
Keywords: فرکانس طبیعی; Circular cylindrical shell; Natural frequencies; Free vibrations; Hamilton׳s principle;
Keywords: فرکانس طبیعی; Rod; Longitudinal vibration; Natural frequencies; Small cracks; Inverse problem
Keywords: فرکانس طبیعی; Beam-columns; Buckling; Column; Frames; Natural frequencies; Stability; Vibration analysis;
Keywords: فرکانس طبیعی; Offshore wind turbine tower; Transfer matrix method; Natural frequencies; Thrust force; Distributed wind force;
Keywords: فرکانس طبیعی; Point mass; Plates; Natural frequencies; Inverse problems
Keywords: فرکانس طبیعی; Fluid–structure interaction; Rotating disk; Dynamic response; Natural frequencies; Mode shapes
Keywords: فرکانس طبیعی; Marine risers; Vibration; Natural frequencies; Mode shapes; Variational iteration;
Keywords: فرکانس طبیعی; Optimization; Natural frequencies; Orthogonal array; Model updating; Sensitivity analysis;
Keywords: فرکانس طبیعی; Natural frequencies; Wittrick–Williams; Crack detection; Measurement noise; Interval arithmetic; Empirical probability
Keywords: فرکانس طبیعی; Machine tool structure; Dynamic properties; Natural frequencies; Active excitation modal analysis
Keywords: فرکانس طبیعی; Multiple cracks; Damage identification; Natural frequencies; Antiresonant frequencies; Rods
Keywords: فرکانس طبیعی; Rod; Longitudinal vibration; Natural frequencies; Localized damage; Inverse problem; Krein׳s method;
Keywords: فرکانس طبیعی; Dynamic and seismic effects; Beam-fluid systems; Natural frequencies; Simplified methods; Fluid-structure interaction; Finite elements;
Keywords: فرکانس طبیعی; Damage identification; Non-uniform rods; Cracks; Natural frequencies; Antiresonant frequencies; Inverse problems;
Keywords: فرکانس طبیعی; Time–frequency spectrum; LASSO; Earth's mover distance; Natural frequencies; Damage detection; Cantilever beams; Signatures
Keywords: فرکانس طبیعی; Helical springs; Hybrid mixed formulation; Natural frequencies; Dynamic response optimization;
Keywords: فرکانس طبیعی; Natural frequencies; Generalized Goertzel algorithm; FFT; Time-frequency; Spectrum; Chirp Z-transform; CZT; Damage detection
Keywords: فرکانس طبیعی; MEMS; Electrostatic; Fringing-fields; Static response; Natural frequencies
Keywords: فرکانس طبیعی; Double cracked beam; Transfer matrix; Analytical estimation; Rayleigh's method; Natural frequencies; Mode shape
Keywords: فرکانس طبیعی; Vertical risers; Internal fluid flow behavior; Natural frequencies;
Keywords: فرکانس طبیعی; Added mass; Added damping; Nearby rigid surface; Radial gap; Natural frequencies; Submerged disk;
Keywords: فرکانس طبیعی; Flexural–torsional buckling; Natural frequencies; Thin walled beams; Power series method; Total potential energy
Keywords: فرکانس طبیعی; Damage identification; Swarm intelligence; ABC algorithm; Natural frequencies; Hybrid search
Keywords: فرکانس طبیعی; Asymptotic perturbation approach; Free vibration; Non-uniform and non-homogenous beams; Natural frequencies;
Vibration around non-trivial equilibrium of a supercritical Timoshenko pipe conveying fluid
Keywords: فرکانس طبیعی; Timoshenko pipe; Supercritical; Equilibrium; Critical velocity; Natural frequencies;
On natural frequencies of liquid sloshing in 2-D tanks using Boundary Element Method
Keywords: فرکانس طبیعی; 2-D sloshing; Boundary Element Method; Natural frequencies; Baffles; Empirical formulas;
Damage identification on spatial Timoshenko arches by means of genetic algorithms
Keywords: فرکانس طبیعی; Damage identification; Arches; Natural frequencies; Genetic algorithms; Timoshenko model;