نتایج جستجو برای: newmark aapproach

تعداد نتایج: 432  

2007

C O S T A S P E L E K A N I , * , † G A Y L E N E W C O M B E , ‡ V E R N O N L . S N O E Y I N K , † C H R I S H E P P L E W H I T E , ‡ S H O E L E H A S S E M I , § A N D R O N A L D B E C K E T T § Department of Civil and Environmental Engineering, University of Illinois, Newmark Civil Engineering Laboratory, 205 N. Mathews Avenue, Urbana, Illinois 61801, CRC for Water Quality and Treatment...

2016
W. JUNG

The authors present a simple elastostatic approach to estimate a suitable subgrade modulus from falling weight deflectometer (FWD) data. An effective surface modulus is defined on the basis of Boussinesq-Newmark equations. Deviations between the model assumptions and actual in situ conditions are reflected in the effective surface modulus variation with radius. The variation indicates which sen...

Journal: :iranian journal of applied language studies 2012
masoud sharififar

this paper aimed to investigate the differences between english and persian religious elements which may be problematic in translating from english into persian. the study aimed also to investigate the way cultural elements in general and religious ones in particular were dealt with in the selected corpora and to check whether the procedures proposed by newmark, were sufficient and adequate for...

Masoud Sharififar

This paper aimed to investigate the differences between English and Persian religious elements which may be problematic in translating from English into Persian. The study aimed also to investigate the way cultural elements in general and religious ones in particular were dealt with in the selected corpora and to check whether the procedures proposed by Newmark, were sufficient and adequate for...

اکبری, جلال, میرزایی, سمانه,

For solving the dynamic equilibrium equation of structures, several second-order numerical methods have so far been proposed. In these algorithms, conditional stability, period elongation, amplitude error, appearance of spurious frequencies and dependency of the algorithms to the time steps are the crucial problems. Among the numerical methods, Newmark average acceleration algorithm, regardl...

Sungun Copper Mine is located in an area with a high level of seismic hazard. Most recently, the Ahar-Varzeqan earthquake with a magnitude of 6.2 on Richter scale occurred on August 11, 2012; at a distance about 40 kilometers away from the mine. Nevertheless, the seismic stability of the final pit wall has not been comprehensively reviewed. In this research, the southwestern wall of the final p...

2017
Fei Teng Zhendong Luo Jing Yang

In this article, we devote ourselves to establishing a natural boundary element (NBE) method for the Sobolev equation in the 2D unbounded domain. To this end, we first constitute the time semi-discretized super-convergence format for the Sobolev equation by means of the Newmark method. Then, using the principle of natural boundary reduction, we establish a fully discretized NBE format based on ...

2006
Cedric F. Garland Edward D. Gorham Sharif B. Mohr William B. Grant Edward L. Giovannucci Martin Lipkin Harold Newmark Michael F. Holick Frank C. Garland

Vitamin D and prevention of breast cancer: Pooled analysis Cedric F. Garland a,∗, Edward D. Gorham a, Sharif B. Mohr a, William B. Grant b, Edward L. Giovannucci c, Martin Lipkin d, Harold Newmark e,f, Michael F. Holick g, Frank C. Garland a a University of California, San Diego, Department of Family and Preventive Medicine, 9500 Gilman Drive, 0631C, La Jolla, CA 92093, USA b Sunlight, Nutritio...

2002
M. S. N. ATLURI

The problem of transient dynamics of highly flexible three-dimensional space-curved beams, undergoing large rotations and stretches, is treated. The case of conservative force loading, which may also lead to configuration-dependent moments on the beam, is considered. Using the three parameters associated with a conformal rotation vector representation of finite rotations, a well-defined Hamilto...

Journal: :Mathematics and Computers in Simulation 2003
Lu Sun

The international roughness index (IRI) for evaluating pavement surface roughness is simulated using the power spectral density (PSD) of pavement surface fluctuation. Quarter-car models recommended by the World Bank for measuring pavement roughness are adopted to simulate vehicle response. Surface roughness in time domain is generated based on 36 known PSDs of roughness. Newmark sequential inte...

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