Keywords: ناپایداری های هندسی; Spherical shells; Buckling/Post-buckling; Elastoplasticity; External pressure/Torsion; Interaction curves; Geometric imperfections;
مقالات ISI ناپایداری های هندسی (ترجمه نشده)
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Keywords: ناپایداری های هندسی; Cylindrical shells; Buckling tests; Geometric imperfections; Multiple perturbation load approach (MPLA); Knock-down factor (KDF);
Keywords: ناپایداری های هندسی; Mode interaction; Geometric imperfections; Length effects; Direct strength method;
Keywords: ناپایداری های هندسی; Nonlinear buckling; Composite cylinder; Geometric imperfections; Cutout;
Keywords: ناپایداری های هندسی; Lateral torsional buckling; Residual stresses; Geometric imperfections; FE test simulations; Sensitivity studies; AISC; AASHTO;
Keywords: ناپایداری های هندسی; Non-polynomial higher-order shear and normal deformation theory; Von- karman nonlinearity; Geometric imperfections; Voigt model; Mori-tanaka model;
Keywords: ناپایداری های هندسی; Pull-in instability; von Kármán nonlinearity; Circular microplates; Geometric imperfections;
Keywords: ناپایداری های هندسی; Buckling; Cylindrical composite shells; Single-perturbation load approach (SPLA); Geometric imperfections; Metastability of cylindrical shells;
Keywords: ناپایداری های هندسی; Steel conical tanks; Hydrodynamic pressure; Vertical excitation; Geometric imperfections; Finite element; Shell buckling; Pushover analysis
Keywords: ناپایداری های هندسی; Steel storage rack frames; Interactive buckling; Geometric imperfections
Keywords: ناپایداری های هندسی; Composite structures; Composite laminate optimization; Discrete material optimization; Nonlinear buckling; Geometric imperfections
Keywords: ناپایداری های هندسی; Postbuckling; Cylindrical shells; Geometric Imperfections; Experiment; 3D Printing
Keywords: ناپایداری های هندسی; Spiral-welded tubes; Thick tubes; Geometric imperfections; Harmonic analysis; Imperfection characterisation
Keywords: ناپایداری های هندسی; Inelastic local buckling; Wavelet transform; Mexican hat wavelet; Geometric imperfections; Edge effects
Keywords: ناپایداری های هندسی; Steel storage pallet racks; Parametric analysis; Structural analysis; Geometric imperfections; Second-order effects; Safety index
Keywords: ناپایداری های هندسی; Buckling; Post-buckling; Cold-formed elements; Geometric imperfections; Double corrugated
Keywords: ناپایداری های هندسی; Advanced analysis; Distributed plasticity; Geometric imperfections; Second-order effects; Semi-rigid connections; Steel frames; Time-history analysis
Keywords: ناپایداری های هندسی; Buckling; Composite; Axial compression; Geometric imperfections; Knock-down factor; Cylinders
Keywords: ناپایداری های هندسی; Flexural-torsional buckling; Interactive buckling; Cold-formed steel; Ultra-light gauge steel storage rack uprights; Geometric imperfections
Keywords: ناپایداری های هندسی; Cylindrical cantilevered shells; Nonlinear vibration; Geometric imperfections; Extended Hamilton׳s principle; Quasiperiodic and chaotic oscillations; Potential flow theory;
Keywords: ناپایداری های هندسی; Web-core sandwich; Load-carrying behaviour; Global buckling; Local buckling; Post-buckling; Geometric imperfections;
The effect of manufacturing defects on compressive strength of ultralight hollow microlattices: A data-driven study
Keywords: ناپایداری های هندسی; Ultralight microlattice; Manufacturing defects; Compressive strength; Geometric imperfections; Data-driven stochastic analysis;
Finite element (FE) modelling of storage rack frames
Keywords: ناپایداری های هندسی; Finite element modelling; Finite element calibration; Cold-formed steel; Storage rack frames; Semi-rigid joints; Geometric imperfections; Numerical analysis; Advanced analysis
Imperfection sensitivity of thin-walled I-section struts susceptible to cellular buckling
Keywords: ناپایداری های هندسی; Structural stability; Mode interaction; Geometric imperfections; Snaking; Nonlinear mechanics
Stability of cylindrical steel silos composed of corrugated sheets and columns based on FE analyses versus Eurocode 3 approach
Keywords: ناپایداری های هندسی; Silo stability; Finite element method; Geometric imperfections; Non-linear dynamic analyses; Non-linear static analyses; Corrugated walls; Columns;
Dynamic FE simulations of buckling process in thin-walled cylindrical metal silos
Keywords: ناپایداری های هندسی; Buckling; Finite element method; Geometric imperfections; Silo; Non-linear dynamic analysis; Non-linear static analysis
Reliability-based topology optimization of trusses with stochastic stiffness
Keywords: ناپایداری های هندسی; Topology optimization; Geometric imperfections; Material uncertainties; Manufacturing defects; Perturbations
Tests on two 18-years-old prestressed thin walled roof elements
Keywords: ناپایداری های هندسی; Experimental modal analysis; Geometric imperfections; Impact load tests; Prestressed reinforced concrete; Roof elements; Second order effects; Static load tests
Effect of geometric imperfections of journal on the performance of micropolar lubricated 4-pocket hybrid journal bearing
Keywords: ناپایداری های هندسی; Geometric imperfections; Micropolar; Hybrid journal
Residual stresses and initial imperfections in non-linear analysis
Keywords: ناپایداری های هندسی; Residual stresses; Geometric imperfections; Cold-formed steel sections; FE analysis
Influence of symmetries and imperfections on the non-linear vibration modes of archetypal structural systems
Keywords: ناپایداری های هندسی; Symmetry and symmetry breaking; Geometric imperfections; Inverted pendulum; Non-linear normal modes; Multimodes; Modal coupling and interaction; Mode bifurcation and instability
Experimental study of large amplitude vibrations of a thin plate in contact with sloshing liquids
Keywords: ناپایداری های هندسی; Nonlinear vibrations; Plates; Fluid–structure interaction; Experiments; Sloshing; Geometric imperfections
Computational modelling of geometric imperfections and buckling strength of cold-formed steel
Keywords: ناپایداری های هندسی; Cold-formed steel; Eigenmodes; Geometric imperfections; Imperfection measures; Local-distortional interaction; Strength
The failure of thin-walled lipped channel compression members due to coupled local-distortional interactions and material yielding
Keywords: ناپایداری های هندسی; Finite element simulation; Lipped channel columns; Local buckling; Distortional buckling; Global flexural buckling; Coupled buckling; Local-distortional interaction; Post-local buckling; Material yielding; Geometric imperfections; Failure mechanics
Statistical characterisation and modelling of random geometric imperfections in cylindrical shells
Keywords: ناپایداری های هندسی; Shell buckling; Geometric imperfections; Correlation functions; Monte Carlo simulation
Prediction of vacuum-induced buckling pressures of thin-walled cylinders
Keywords: ناپایداری های هندسی; Thin shells; Buckling; Geometric imperfections; Uniform external pressure; Finite element analysis
Calculation of guyed masts in accordance with EN 1993-3-1 standard taking into account mast shaft geometrical imperfections
Keywords: ناپایداری های هندسی; Guyed mast; Geometric imperfections; Wind load; Static analysis
Investigation of geometric imperfections and joint stiffness of support scaffold systems
Keywords: ناپایداری های هندسی; Geometric imperfections; Loading eccentricity; Joint tests; Cuplok joints; Scaffold systems
Blinding struts — Part 1: Buckling response
Keywords: ناپایداری های هندسی; Upheaval buckling; Geometric imperfections; Concrete; Cut-and-cover excavations; Nonlinear finite element analysis; Laboratory testing
Blinding struts, Part 2: Towards a simplified design method
Keywords: ناپایداری های هندسی; Upheaval buckling; Geometric imperfections; Concrete; Cut and cover excavations; Nonlinear finite element analysis; Structural design
3D buckling analysis of a cylindrical metal bin composed of corrugated sheets strengthened by vertical stiffeners
Keywords: ناپایداری های هندسی; Buckling analysis; Metal bin; Geometric imperfections; Loading imperfections; Strength; Corrugated walls
Failure of cylindrical steel silos composed of corrugated sheets and columns and repair methods using a sensitivity analysis
Keywords: ناپایداری های هندسی; Buckling; Corrugated walls; Geometric imperfections; Sensitivity analysis; Silo
An approach to robust optimization of impact problems using random samples and meta-modelling
Keywords: ناپایداری های هندسی; Robust optimization; Geometric imperfections; Meta-model; Robustness
Comparative experimental study of hot-rolled and cold-formed rectangular hollow sections
Keywords: ناپایداری های هندسی; Bending; Cold-formed sections; Continuous beams; Corner geometry; Geometric imperfections; Hollow sections; Hot-rolled sections; Material properties; Residual stresses; RHS; SHS; Strain hardening; Stub column tests; Tensile coupon tests; Tubular sections
Nonlinear buckling optimization of composite structures considering “worst” shape imperfections
Keywords: ناپایداری های هندسی; Composite laminate optimization; Buckling; Design sensitivity analysis; Geometric imperfections; Composite structures
Non-linear vibrations of imperfect free-edge circular plates and shells
Keywords: ناپایداری های هندسی; Non-linear vibrations; Circular plates; Geometric imperfections
Simulations of a top-hat section subjected to axial crushing taking into account material and geometry variations
Keywords: ناپایداری های هندسی; Finite element method; Thin-walled section; Geometric imperfections; Material variations
The effect of geometric imperfections on the vibrations of anisotropic cylindrical shells
Keywords: ناپایداری های هندسی; Vibration; Shell structures; Geometric imperfections
Analysis of geometric imperfections in full-scale welded steel silos
Keywords: ناپایداری های هندسی; Cylindrical shells; Fourier analysis; Full-scale; Geometric imperfections; Imperfection data; Shell buckling; Silos;
Dynamic buckling of fiber composite shells under impulsive axial compression
Keywords: ناپایداری های هندسی; Dynamic buckling; Finite element analysis; Fiber composite cylindrical shells; Impulsive axial compression; Geometric imperfections;