Nonlinear free vibration analysis of moderately thick viscoelastic plates with various geometrical properties

N Jafari, M Azhari - Steel and Composite Structures, 2023 - koreascience.kr
In this paper, geometrically nonlinear free vibration analysis of Mindlin viscoelastic plates
with various geometrical and material properties is studied based on the Von-Karman …

Free vibration analysis of viscoelastic plates with simultaneous calculation of natural frequency and viscous damping

N Jafari, M Azhari - Mathematics and Computers in Simulation, 2021 - Elsevier
This paper presents a new solution for the free vibration analysis of moderately thick
viscoelastic plates with different shapes, based on free vibration analysis of elastic plates …

Dynamic stability analysis of Mindlin viscoelastic plates subjected to constant and harmonic in-plane compressions based on free vibration analysis of elastic plates

N Jafari, M Azhari - Acta Mechanica, 2022 - Springer
In this paper, a dynamic stability analysis of moderately thick viscoelastic plates is performed
employing the Boltzmann integral law with constant bulk modulus. The remarkable and new …

Time-dependent p-delta analysis of Timoshenko viscoelastic beams and Mindlin viscoelastic plates with different shapes

N Jafari - Structures, 2022 - Elsevier
This research introduces a closed-form solution for the time-dependent p-delta analysis of a
viscoelastic plate based on the linear static analysis of an elastic plate for the first time, by …

Non-harmonic resonance of viscoelastic structures subjected to time-dependent exponentially decreasing transverse distributed loads

N Jafari - Earthquake Engineering and Engineering Vibration, 2023 - Springer
In this paper, the non-harmonic resonance of Bernoulli viscoelastic beams, Kirchhoff
viscoelastic plates, Timoshenko viscoelastic beams, and Mindlin viscoelastic plates …

[HTML][HTML] Выпучивание прямоугольных пластин при нелинейной ползучести

СБ Языев, АС Чепурненко - Advanced Engineering Research …, 2023 - cyberleninka.ru
Введение. Задача анализа устойчивости пластин и оболочек в условиях ползучести
актуальна для элементов конструкций из материалов, обладающих свойством …

Time-dependent three-dimensional quasi-static analysis of a viscoelastic solid by defining a time function

M Eskandari, N Jafari, M Azhari - Mechanics of Time-Dependent Materials, 2021 - Springer
In this paper, we present a novel formulation for the time-dependent three-dimensional
bending analysis of a viscoelastic solid by defining a time function with unknown coefficient …

On the viscoelastic instability of Timoshenko viscoelastic beams and Mindlin viscoelastic plates under compressive loads

N Jafari, M Azhari - Mechanics of Time-Dependent Materials, 2024 - Springer
This paper proposes the time-dependent instability of Timoshenko viscoelastic beams and
Mindlin viscoelastic plates with different geometrical and material properties subjected to …

Time-dependent static analysis of viscoelastic Mindlin plates by defining a time function

N Jafari, M Azhari - Mechanics of Time-Dependent Materials, 2021 - Springer
This paper presents a new method for bending analysis of moderately thick viscoelastic
plates using elasticity responses at asymptotic times. The displacement vector is …

Geometrically nonlinear analysis of time-dependent composite plates using time function optimization

N Jafari, M Azhari, B Boroomand - International Journal of Non-Linear …, 2019 - Elsevier
In this paper, a novel approximation method is presented for the large deformation analysis
of moderately thick fiber-reinforced composite plates based on elasticity responses at …