نتایج جستجو برای: linear static analysis

تعداد نتایج: 3234843  

Journal: :computational methods in civil engineering 2011
a. rezaei mojdehi a. darvizeh a. basti

in this paper, three dimensional (3d) static and dynamic analysis of thick plates based on the meshless local petrov-galerkin (mlpg) is presented. using the kinematics of a three-dimensional continuum, the local weak form of the equilibrium equations is derived. a weak formulation for the set of governing equations is transformed into local integral equations on local sub-domains by using a uni...

Journal: :international journal of data envelopment analysis 2013
m.r. mozaffari f. hosseinzadeh lotfi j. gerami

this paper proposes a suitable benchmark for inefficient commercial bank branches by using data envelopment analysis (dea). in order to render an inefficient bank branch efficient, it is necessary to decrease inputs and increase outputs. as there are priorities for decreasing some certain inputs and increasing some certain outputs over other inputs and outputs, respectively, it is necessary to ...

Journal: :journal of computational & applied research in mechanical engineering (jcarme) 2011
a. r. shahani* h. esmaili a. aryaei s. mohammadi m. najar

in this paper, the dynamic simulation for a high pressure regulator is performed to obtain the regulator behavior. to analyze the regulator performance, the equation of motion for inner parts, the continuity equation for diverse chambers and the equation for mass flow rate were derived. because of nonlinearity and coupling, these equations are solved using numerical methods and the results are ...

2005
Leyland G. Young Suresh Ramanathan Jiazhu Hu P. Frank Pai

Presented is a total-Lagrangian displacement-based non-linear finite-element model of thin-film membranes for static and dynamic large-displacement analyses. The membrane theory fully accounts for geometric non-linearities. Fully non-linear static analysis followed by linear modal analysis is performed for an inflated circular cylindrical Kapton membrane tube under different pressures, and for ...

M. Farhani Nezhad, N. Fanaie,

A proper composition of stiffness and ductility parameters is required to obtain a resistant and economic structure. Accordingly, Chevron Knee Braced Frame (CKBF) seems appropriate due to its proper seismic performance. The advantage of this system comes to having the capability of rapid and cheap replacement of chevron knee elements after an earthquake occurs. In this research, response modifi...

2012
Eric Goubault Sylvie Putot Franck Védrine

Being able to analyze programs function by function, or module by module is a key ingredient to scalable static analyses. The main difficulty for modular static analysis is to be able to do so while not losing too much precision. In this paper, we present a new summarybased approach that builds on previous work of the authors, a zonotopic functional abstraction, that is economical both in space...

Power grids are complex, interconnected and nonlinear systems, and this will be more severe when they are subjected to high wind resources penetration. Static synchronous compensators (STATCOM) are used to improve voltage regulation and to meet grid codes in power systems, including doubly fed induction generators (DFIG) based wind farms. Despite the nonlinear nature of STATCOM, the conventiona...

2010
Jakob Zwirchmayr

This text gives an overview about my current research in timing analysis at the Vienna University of Technology. After a short introduction to the topic follows the description of an approach relying on CLP, the implicit path enumeration technique (IPET). This technique is also used in a tool developed at the institute of Computer Languages (TuBound). Current timing analysis tools suffer from a...

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