نتایج جستجو برای: nonlinear behavior

تعداد نتایج: 821085  

Journal: :European Physical Journal-special Topics 2022

This topical issue collects contributions of recent achievements and scientific progress related to the collective behavior nonlinear dynamical oscillators. The individual papers focus on different questions present-day interest in this topic.

Journal: :Advances in Mathematics 1975

Journal: :Journal of the Society of Materials Science, Japan 1972

Shell-type nanostructures have recently attracted a lot of attention due to their several applications. The surface stress effect plays an important role in the mechanical behavior of such structures because of their large surface-to-volume ratio. In this paper, an analytical approach is presented for analyzing the geometrically nonlinear free vibrations of cylindrical nanoshells. In order ...

Turbo-expanders are used in industries for cooling, liquefaction and also power generation. An important part of these turbines is the variable angle nozzle causing a nonlinear behavior that is not well recognized among the prime movers of the dispersed generators. In this paper, at first, the turbo expander system is evaluated in details and its nonlinear behavior is investigated. Then, the sy...

        Sensitivity analysis of structures considering their nonlinear behavior has recently been an important process in optimal design of them based on new design concepts such as Performance-Based Design (PBD). The main objective of this research is to develop an efficient and applicable method for nonlinear sensitivity analysis of Reinforcement Concrete Moment Resisting Frames (RCMRF) accou...

Journal: :journal of computational applied mechanics 0
kia dastani univ of tehran mahdi moghimi zand univ of tehran

in the current study the effect of casimir force and squeezed film damping on the pull-in instability and dynamic behavior of electrostatically actuated nano and micro electromechanical systems is investigated separately. linear elastic membrane theory is used to model the static and dynamic behavior of system for strip, annular and disk geometries. squeezed film damping effect is modeled using...

Journal: :iranian journal of materials forming 0
m. seyed salehi department of materials science and engineering, k. n. toosi university of technology, tehran, iran n. anjabin shiraz university

in the present study, the mechanical behavior of aa5052 aluminum alloy during cold deformation and subsequent isothermal annealing in a temperature range of 225-300oc was investigated using the uniaxial tensile test data. it is found that by increasing the annealing time and temperature the material yield strength is decreased. the microstructural investigations of the annealed samples show tha...

Journal: :international journal of civil engineering 0
e. wahyuni civil engineering department, campus its sukolilo, surabaya 60111, east java, indonesia y. tethool civil engineering department, campus its sukolilo, surabaya 60111, east java, indonesia

the purpose of this study is to determine the effect of vierendeel panel width and vertical truss spacing ratio in an inelastic behavior of the stf system due to earthquake loads. the stf system is applied to a six-storey building that serves as apartments [2]. the stf system is used in the building in the transverse direction (n-s direction), while in the longitudinal direction (w-e direction)...

Journal: :international journal of automotive engineering 0
j. marzbanrad m.a. babalooei

the constitutive relationships of the rubber materials that act as the main spring of a hydraulic engine mount are nonlinear. in addition to material induced nonlinearity, further nonlinearities may be introduced by mount geometry, turbulent fluid behavior, temperature, boundary conditions, decoupler action, and hysteretic behavior. in this research all influence the behavior of the system only...

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