Results 51 to 60 of about 519 (180)

Mathematical models for optimal shakedown trusses design problems in case of moving load

Technological and Economic Development of Economy, 2007
Prisitaikomumo teorija, nagrinejanti tampriai plastiškas konstrukcijas, veikiama kintamosios kartotines apkrovos, leidžia judamaja apkrova traktuoti kaip atskira kartotinai kintančiu jegu atveji. Apkrovai leidžiama “judeti” bet kuria konstrukcijos dalimi:
Juozas Atkočiūnas, Dalia Merkevičiūte, Artūras Venskus, Juozas Nagevičius   +3 more
doaj   +1 more source

Incremental elastic-plastic analysis of a continuous steel beam with shakedown

RUDN Journal of Engineering Research, 2014
An algorithm of the incremental elastic-plastic analysis of a continuous steel beam is presented in this paper. An elastic limit state has been determined, and formation of plastic hinges and collapse mechanism has been investigated.
A Heidari
doaj  

Repeated loading model for elastic–plastic contact of geomaterial

Advances in Mechanical Engineering, 2018
A new nonlinear hysteretic model with considering the loading, unloading, and reloading processes is developed based on Drucker–Prager yield criterion and finite-element analysis.
Jian Wang, Qimin Li, Changwei Yang, Caizhi Zhou   +3 more
doaj   +1 more source

Hybrid DEM-FDM Modelling of Ballasted Railway Track Performance

Infrastructures
The performance of ballasted railway tracks under cyclic loading is a critical issue in urban railway systems, where high traffic frequency and geometric constraints accelerate track degradation, leading to the accumulation of plastic deformations that ...
Nohemí Olivera, Juan Manuel Mayoral
doaj   +1 more source

SHAKEDOWN ANALYSIS OF THERMAL BARRIER COATING AND SIMPLIFIED ANALYTIC MODEL

Jixie qiangdu, 2015
Based on wrinkling model,a theoretical model for thermal barrier coating system was established. Using the temperature parameter method,the paper constructed the residual stress field of coating system,built the discrete format of finite element for ...
DONG YaWen, ZHANG BaoFeng
doaj  

"p-y + M-θ" model for cyclic laterally loaded rigid piles in sandy seabeds

Yantu gongcheng xuebao
Within 40-meter water depths, large-diameter monopiles have become the preferred foundation type for offshore wind turbines due to their high efficiency and low cost.
WANG Lizhong 1, ZHANG Yaru 1, ZHA Xing 1, 2, WANG Huan 3, LIU Junwei 4, GUO Zhen 1, HONG Yi 1
doaj   +1 more source

Aleksandras Čyras and optimization in structural mechanics

Journal of Civil Engineering and Management, 2002
The study describes how in Lithuania (mostly in Vilnius) during some past decades a new trend of investigations in structural mechanics thanks to Aleksandras Čyras' (1927–2001) research and organisational activities has been developed.
Juozas Atkočiūnas, Algirdas Čižas
doaj   +1 more source

One Some Basic Problems of the Theory of Shakedown

Engineering Transactions, 1977
The paper presents the observation that discrete structures of the global condition of shakedown does not need necessarily require that the shakedown condition of each element should be satisfied. A simple example illustrates the thesis.
J. Karczewski, J.A. Konig
doaj  

Study on Cyclic Tensile Shakedown Behaviour of Flexible Risers Considering Winding Process

Journal of Marine Science and Engineering
Flexible risers are subjected to significant tensile loads during manufacturing, installation, and in-service phases, and they experience multiple cyclic tensile loads throughout their entire service life.
Shanghua Wu, Junyu Liu, Ersu Shang, Xiufeng Yue, Zhuoyuan Shen   +4 more
doaj   +1 more source

On a theorem of shakedown theory [PDF]

Vietnam Journal of Mechanics, 1986
None
openaire   +2 more sources