نتایج جستجو برای: stiffener length

تعداد نتایج: 307890  

Journal: :anatomical sciences journal 0
ghazaleh moshkdanian department of anatomy, school of medicine, tehran university of medical sciences, tehran, iran.سازمان های دیگر: anatomical sciences research center, kashan university of medical sciences, kashan, iran. simin mahaki zadeh department of anatomy, school of medicine, tehran university of medical sciences, tehran, iran. fatemeh moghani ghoroghi department of anatomy, school of medicine, tehran university of medical sciences, tehran, iran. tahmineh mokhtari department of anatomy, school of medicine, tehran university of medical sciences, tehran, iran. gholamreza hassanzadeh department of anatomy, school of medicine, tehran university of medical sciences, tehran, iran.

introduction: estimation of stature is one of the most important fields in forensic medicine. also it is of particular interest to anthropologists and anatomist. our aim was to investigate the relationship between stature and the length of lower limb and foot to derive a regression formula for estimating the stature. methods: three anthropometric measurements stature, lower limb length (lll) an...

This research presents the modeling and analysis for the buckling and postbuckling behavior of sandwich plates under thermal and mechanical loads. The lay-up configurations of plates are laminated composite with concentric stiffener and surface mounted piezoelectric actuators. The plates are in contact with a three-parameter elastic foundation including softening and/or hardening nonlinearity. ...

Asghar Vatani Oskouieb Hassan Aghabaratic Morteza Rastian,

This article considers the seismic behavior of beam-to-column joints in steel frames for different bolt arrangements by using of finite element modeling. As the most important beam-to-column joint type, the beam-to-column joints with end-plate is chosen for the analysis. Four different specimens have been analyzed. These models had some differences such as bolt arrangement and the presence or a...

Journal: :Structural and Multidisciplinary Optimization 2021

Stiffened plates are widely used in aerospace structures as load-bearing components. In order to obtain a novel design of stiffened with excellent performance, generative method (GDMSP) based on the homogenization is proposed this paper, which optimizes stiffener layout an equivalent model. Then, detailed model can then be obtained by extracting path from discrete distribution angles. Moreover,...

Journal: :Buildings 2022

In this paper, the system response, stress redistribution, failure mode, and catenary effect of steel frames with circular tube columns cast stiffener (CSS) joints under a sudden column removal scenario were revealed. Based on force transfer mechanism analysis, practical computationally efficient component-based model considering effects CSS joint details series springs was established validate...

Journal: :Europan journal of science and technology 2021

Free vibration behavior of laminated composite plates stiffened by different lattice structures is considered. To simulate free vibration, finite element models were created with Ansys Parametric Design Language (APDL). In the models, SHELL181 and BEAM181 elements used to model structures, respectively. The influence stiffeners on natural frequencies plate examined for clamped-free-clamped-free...

Journal: :Aerospace 2021

In a previous study, high-damping printed circuit board (PCB) implemented by multilayered viscoelastic acrylic tapes was investigated to increase the fatigue life of solder joints electronic packages vibration attenuation in random environment. However, main drawback this concept is its inability mount parts on PCB surface area occupied interlaminated layers. For efficient spatial accommodation...

Journal: :Buildings 2023

T-stubs are important components in the application of component method; hence it is crucial to clarify T-stub mechanism for analysis mechanical properties steel joints. In this study, behavior was assessed via 6 static tests and 18 finite element models. The influences flange thickness, bolt spacing, diameter, stiffener rib on initial stiffness, ultimate bearing capacity, force were analyzed. ...

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