نتایج جستجو برای: gurson tevergaard needleman damage

تعداد نتایج: 226296  

2009
Pablo D. Zavattieri

As observed by Needleman and co-workers [1], it is still not clear to what extent the initially elastic cohesive surfaces are more appropriate than the initially rigid cohesive surfaces for a given application. In this work, an analysis where the initially elastic model is approached asymptotically to the initially rigid is proposed. The purpose of this analysis is to gain more insight into the...

Journal: :computational methods in civil engineering 2013
o. yazdanpanah s. m. seyedpoor

in this paper, a crack localization method for euler-bernoulli beams via an efficient static data based indicator is proposed. the crack in beams is simulated here using a triangular variation in the stiffness. static responses of a beam are obtained by the finite element modeling. in order to reduce the computational cost of damage detection method, the beam deflection is fitted through a poly...

Journal: :journal of rehabilitation in civil engineering 2015
seyed amir hossein hashemi gholamreza ghodrati amiri farzaneh hamedi

results of damage prediction in buildings can be used as a useful tool for managing and decreasing seismic risk of earthquakes. in this study, damage spectrum and c4.5 decision tree algorithm were utilized for damage prediction in steel buildings during earthquakes. in order to prepare the damage spectrum, steel buildings were modeled as a single-degree-of-freedom (sdof) system and time-history...

Journal: :The American psychologist 2005
Susan M Koger Ted Schettler Bernard Weiss

Developmental, learning, and behavioral disabilities are a significant public health problem. Environmental chemicals can interfere with brain development during critical periods, thereby impacting sensory, motor, and cognitive function. Because regulation in the United States is based on limited testing protocols and essentially requires proof of harm rather than proof of lack of harm, some un...

2012
Xu Li Zhenzhou Ji

The focus of Bioinformatics research is usually on two aspects—genomics and proteomics, specifically, it’s starting from nucleic acid and protein sequences, analyzing the structural and functional biological information expressed in the sequences. Biological sequence alignment is one of the common problems, the NeedlemanWunsch algorithm based on dynamic programming is the most basic algorithm, ...

Journal: :Nucleic acids research 1993
M T Gallegos C Michán J L Ramos

At least twenty-seven proteins belong to the XylS/AraC family of prokaryote transcriptional regulators. All members of this family except CelD and TetD are positive transcriptional factors. Three subgroups were distinguished within the family in accordance with the Needleman and Wunsch algorithm. Multiple alignment of these proteins revealed that they shared a high degree of sequence homology a...

1994
Denis Archambaud Pascal Faudemay Alain Greiner

We present an on-going research concerning an object oriented associative memory, organized into virtual circuits. It is a massively parallel architecture, fully programmable and configurable, composed of VLSI circuits. It is well adapted to genome data processing. DNA and proteins sequences alignment is a very important application in nowadays research in biology. Standard sequences alignment ...

2010
Filipe Cristino Sebastiaan Mathôt Jan Theeuwes Iain D. Gilchrist

We present a novel approach to compare saccadic eye movement sequences based on the Needleman-Wunsch algorithm used in bioinformatics to compare DNA sequences. In the proposed method, the saccade sequence is spatially and temporally binned and then recoded to create a sequence of letters which retains fixation location, time and order information. The comparison of two letter sequences is made ...

Journal: :journal of rehabilitation in civil engineering 2013
o. yazdanpanah s.m. seyedpoor h. akbarzade bengar

in this paper, the capabilities of displacement curvature derived from static response data for finding the location and severity of damage in euler-bernoulli beams are assessed. static response of a beam is obtained using the finite element modeling. in order to reduce the number of measured nodal displacements, the beam deflection is fitted through a polynomial function using a limited number...

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