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Effect of Material Variability and Mechanical Eccentricity on the Seismic Vulnerability Assessment of Reinforced Concrete Buildings

Mario Puppio, Martina Pellegrino, Linda Giresini, Mauro Sassu
2017 Buildings  
After that, the effects of changing strength and stiffness are investigated through two simple benchmark buildings (Section 3).  ...  Those domains are related to eccentric axial force and shear for beams and columns [23] .  ...  Gaetano Chiurazzi and Surveyor Antonio Puppio for the support and the experimental data. Thanks to Eng. Costanza Micheli for the editorial support.  ... 
doi:10.3390/buildings7030066 fatcat:fxj52nylmjgi5emeptp4mbxl6a

Fragility Analysis of Space Reinforced Concrete Frame Structures with Structural Irregularity in Plan

Do-Soo Moon, Young-Joo Lee, Sangmok Lee
2018 Journal of Structural Engineering  
Material uncertainty is considered, and more representative seismic fragility curves are derived with their three-dimensional analytical models.  ...  However, the use of computationally expensive models is not practically feasible with existing approaches of fragility analysis.  ...  ; and (d) 10% eccentricity (ME100).  ... 
doi:10.1061/(asce)st.1943-541x.0002092 fatcat:3md5yk2ow5edbayxtzyfcjpp24

Seismic fragility characteristics of structural populations with irregularities

Junwon Seo
2017 International Journal of Computational Methods & Experimental Measurements  
Seismic fragility curves are generated by means of the joint RSM-MCS enabling to treat uncertainties regarding overall configuration irregularities and additional structural parameters considered significant  ...  The influence of the irregularity parameters on seismic vulnerability for each class is investigated by comparison of the resulting fragilities.  ...  The rectangular building was used as a benchmarking regular building, so as to compare its fragilities against those resulting from buildings with different L-shapes.  ... 
doi:10.2495/cmem-v6-n5-944-954 fatcat:vdccyitsffbt3fxtklbc67o4oq

Isometric and Eccentric Force Generation Assessment of Skeletal Muscles Isolated from Murine Models of Muscular Dystrophies

Catherine Moorwood, Min Liu, Zuozhen Tian, Elisabeth R. Barton
2013 Journal of Visualized Experiments  
Protocols for routine testing, including isometric and eccentric contractions, will be shown.  ...  Isometric force provides assessment of strength, and eccentric contractions help to evaluate sarcolemma stability, which is disrupted in many types of muscular dystrophies.  ...  Eccentric contraction provides an index of contractile fragility, and it is important to use a protocol that results in modest loss of force in muscles from wildtype animals and a significant loss of force  ... 
doi:10.3791/50036 pmid:23407283 pmcid:PMC3596910 fatcat:tcup4zasdffbraj4nakirszoz4

Simulation of computer architectures: simulators, benchmarks, methodologies, and recommendations

J.J. Yi, D.J. Lilja
2006 IEEE transactions on computers  
Since they have the advantages of cost, time, and flexibility, architects use them to guide design space exploration and to quantify the efficacy of an enhancement.  ...  However, long simulation times and poor accuracy limit their effectiveness.  ...  Their results showed that both suites have fragile and eccentric benchmarks, although SPEC CPU 2000 has more eccentric benchmarks. Phansalkar et al.  ... 
doi:10.1109/tc.2006.44 fatcat:37gnuhawpza3hfn7xy2sqcbcbu

Musculoskeletal response of dystrophic mice to short term, low intensity, high frequency vibration

S A Novotny, M D Eckhoff, B C Eby, J A Call, D Nuckley, D A Lowe
2013 Journal of Musculoskeletal and Neuronal Interactions - JMNI  
Muscle torque and genes associated with inflammation and myogenesis were assessed in Studies 2-3.  ...  upregulated osteprotegerin and RANKL.  ...  their high susceptibility to fragility fractures in bone 1, 5, 6, 8 and concern for exercise-induced muscle damage 11 .  ... 
pmid:24292612 pmcid:PMC7071346 fatcat:cq2424tnzjfchb5zhah7vtxzcm

Seismic Fragility for a Masonry-Infilled RC (MIRC) Building Subjected to Liquefaction

Davide Forcellini
2021 Applied Sciences  
In order to reproduce the nonlinear cyclic behavior (dilation tendency and the increase in cyclic shear strength) due to liquefaction, nonlinear hysteretic materials and advanced plasticity models were  ...  In this regard, the paper proposes to develop analytical fragility curves of a Masonry-Infilled RC (MIRC) structure subjected to liquefaction-induced damages.  ...  The design of the foundation consisted in assessing the eccentricity for the most severe condition: minimum vertical loads (gravity and seismic loads) and maximum bending moments.  ... 
doi:10.3390/app11136117 fatcat:oiawjymvjfe33jxsttgdk34mqu

Fragility Assessment of Geotechnical Seismic Isolated (GSI) Configurations

Davide Forcellini
2021 Energies  
In order to account the uncertainties, the presented paper aimed to develop fragility curves of 3D configurations performed by numerical finite element models.  ...  Opensees PL has been applied to perform the numerical analyses and to realistically reproduce the behaviour of GSI.  ...  The design of the foundation consisted in assessing the eccentricity for the most severe condition: minimum vertical loads (gravity and seismic loads) and maximum bending moments.  ... 
doi:10.3390/en14165088 fatcat:el47sn4cqjd3xcjqcij4z256nq

A smartphone-based vision simulator [article]

Pragathi Praveena, Jobin J Kavalam, Namita Jacob
2016 arXiv   pre-print
Described is our work on a smartphone-based vision simulator for diabetic retinopathy that is economic, portable, flexible and easy-to-use.  ...  Simulators, as tools that can clearly bring out the effect of impairment, are invaluable in the design and development process of an assistive device.  ...  Acknowledgements We thank Ranjani Srinivasan (Dept. of Engineering Physics) and Umesh Surepalli (Dept. of Electrical Engineering), for their contribution to the project.  ... 
arXiv:1604.01331v1 fatcat:kv43d5jn2rekfjtznj3xni7dxu

Probabilistic performance assessment of low-ductility reinforced concrete frames retrofitted with dissipative braces

F. Freddi, E. Tubaldi, L. Ragni, A. Dall'Asta
2012 Earthquake engineering & structural dynamics (Print)  
Then, its capability and effectiveness are tested by considering a benchmark 2-dimensional RC frame designed for gravity-loads only.  ...  The proposed methodology is based on the use of local engineering demand parameters for monitoring the seismic response and on the development of component and system fragility curves before and after  ...  Then, its capability and effectiveness is tested by considering a realistic benchmark RC frame with limited ductility capacity.  ... 
doi:10.1002/eqe.2255 fatcat:bijoror2irderbwxu34cg3cize

Cross-sections for planetary systems interacting with passing stars and binaries

Gongjie Li, Fred C. Adams
2015 Monthly notices of the Royal Astronomical Society  
dispersion, starting planetary orbital radius, and final eccentricity.  ...  We then consider the effects of varying the cluster velocity dispersion, the relative importance of binaries versus single stars, different stellar host masses, and finite starting eccentricities of the  ...  We are grateful for the hospitality and resources of CfA, CITA, ISIMA, ITC, and Univ. Michigan.  ... 
doi:10.1093/mnras/stv012 fatcat:ltwlg7fgcbflleupepzyb76frq

Binary star influence on post-main-sequence multi-planet stability

Dimitri Veras, Nikolaos Georgakarakos, Ian Dobbs-Dixon, Boris T. Gänsicke
2016 Monthly notices of the Royal Astronomical Society  
We perform about 700 full-lifetime (14 Gyr) simulations with A0 and F0 primary stars and secondary K2 companions, and identify the critical binary distance within which instability is triggered at any  ...  Nearly every star known to host planets will become a white dwarf, and nearly 100 planet-hosts are now known to be accompanied by binary stellar companions.  ...  ACKNOWLEDGEMENTS We thank the referee, Cristobal Petrovich, for his insightful and probing feedback, which has improved the manuscript.  ... 
doi:10.1093/mnras/stw2699 fatcat:dndbgnxgxjae3bnry7i2a72lsm

Minsky Moments, Russell Chickens, and Gray Swans: The Methodological Puzzles of the Financial Instability Analysis

Alessandro Vercelli
2009 Social Science Research Network  
meaning and scope of the "financial instability hypothesis" (FIH).  ...  Minsky's ideas among policymakers, economists, bankers, financial institutions, and the mass media, synchronized with the increasing gravity of the subprime financial crisis, demands a reappraisal of the  ...  Equilibrium has a role, but only as a benchmark and reference point for analyzing the complex dynamics of the system.  ... 
doi:10.2139/ssrn.1512582 fatcat:cvdu3zdmh5bsjkyvf7smcmaj2y


1990 Notes and Queries  
Some of his works caused rifts with authority, and he was known as an eccentric. He died in exile, of a messy disease, in his mid-forties.  ...  The impulse to explain too often leads to plot synopsis or paraphrase and ultimately results in a tendency to explain away so that the sense of the fragile, mysterious, and ungraspable nature of life,  ... 
doi:10.1093/nq/37-3-360 fatcat:seyrfcqulfe6ddkwjspzfjrydy

Magnetoexcitonic optical absorption in semiconductors under strong magnetic fields and intense terahertz radiation in the Voigt configuration

Tong-Yi Zhang, Wei Zhao
2008 Europhysics letters  
The system represents a benchmark case for the interplay of the Kozai mechanism with general relativistic and tidal forces.  ...  We present detailed numerical simulations of the dynamical stability of the exoplanet in the α Cen AB binary system for a range of initial inclinations, eccentricities, and semimajor axes.  ...  P.P. acknowledges support from a NASA JPL Research and Technology Development program, and the Missouri SpaceGrant Consortium.  ... 
doi:10.1209/0295-5075/82/67001 fatcat:ruxk5a3x6bg5jjuicpa5m5yfxa
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