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Toplam kayıt 141, listelenen: 1-20

Sonraki Sayfa

Orthonormal decomposition of symmetric second rank tensors

Dinçkal, Çiğdem (2010)

In this paper, a new orthonormal decomposition method for symmetric second rank tensors namely as, orthonormal tensor basis is presented. Complex variable representation method is developed by using the existing theories ...
A Predictive Ground-Motion Model for Turkey and Its Comparison with Recent Local and Global GMPEs

Cağnan, Zehra; Akkar, Sinan; Gülkan, Polat (2011)

We present a local ground motion prediction equation (GMPE ) for estimating the peak ground-motion values that was derived using the recently compiled Turkish strong motion database . The new GMPE is comparable with the ...
Adaptation of generalized Hill inequalities to anisotropic elastic symmetries

Dinçkal, Çiğdem (2011)

Mechanical and elastic behaviors of anisotropic materials are investigated in an innovative way. This is based on generalized Hill inequalities. From different type of anisotropic elastic symmetries, numerical examples ...
Buildings Subjected to Recurring Earthquakes: A Tale of Three Cities

Bayhan, Beyhan; Polat, Gülkan (2011)

Three different buildings built according to the same design have experienced three different near-field strong ground motions over a period of 11 years in three different cities in Turkey. The input motion was known for ...
Analysis of Elastic Anisotropy of Wood Material for Engineering Applications

Dinçkal, Çiğdem (2011)

This paper presents a convenient method to describe the degree of the elastic anisotropy in a given type of wood and then discusses its practical values. Besides mechanical and elastic behaviour of wood are investigated ...
The Fatih Project: A Pilot Seismic Assessment of the Architectural Heritage in the Historic Peninsula of Istanbul

Gülkan, Polat; Sozen, M.A.; Yakut, A.; Celep, Z.; Güler, K.; Kubin, J.; Kubin, D.; Eroğlu, E.; İrfanoğlu, A.; Ahunbay, Z. (2011)
Norm, norm ratio calculations and anisotropy degree

Dinçkal, Çiğdem (2011)

In this paper, for elastic constant tensor, the norm concept, norm ratio and anisotropy degree are described. The norm of a tensor is used as a criterion for comparing the overall effect of the properties of anisotropic ...
Studies on the Optimum Mechanical Response of Anısotropıc Materials Related to Elastıc Constants

Dinçkal, Çiğdem (2011)

In this paper, mechanical and elastic behaviour of anisotropic materials are investigated in order to understand the optimum mechanical behaviour of them in selected directions. For an anisotropic material with known ...
Risk assessment of river-type hydropower plants using fuzzy logic approach

Küçükali, Serhat (Elsevier Science Ltd, 2011-10)

In this paper, a fuzzy rating tool was developed for river-type hydropower plant projects, and risk assessment and expert judgments were utilized instead of probabilistic reasoning. The methodology is a multi-criteria ...
Site-structure resonance as a proxy for structural damage

Lang, Dominik H.; Schwarz, Jochen; Gülkan, Polat (Earthquake Engineering Research Inst., 2011-11)

Since 1992, the reconnaissance teams of the German Task Force for Earthquakes have undertaken numerous field missions to disaster areas after strong earthquakes worldwide. During these missions, a unique database of damage ...
High-velocity impact of large caliber tungsten projectiles on ordinary Portland and calcium aluminate cement based HPSFRC and SIFCON slabs. Part I: experimental investigations

Polat, Gülkan; Korucu, Hasan (Techno-Press, 2011-12-10)

Impact experiments have been carried out on concrete slabs. The first group was traditionally manufactured, densely reinforced concrete targets, and the next were ordinary Portland and calcium aluminate cement based HPSFRC ...
High-velocity impact of large caliber tungsten projectiles on ordinary Portland and calcium aluminate cement based HPSFRC and SIFCON slabs. Part II: numerical simulation and validation

Korucu, Hasan; Gülkan, Polat (Techno-Press, 2011-12-10)

We present the numerical implementation, simulation, and validation of the high-velocity impact experiments that have been described in the companion article. In this part, numerical investigations and simulations performed ...
Lecture Notes in Engineering and Computer Science

Dinçkal, Çiğdem (Newswood Limited, 2012)

A new procedure for representation of elastic constant tensor in terms of its orthonormal decomposed parts is presented. Form invariants and orthonormalized basis elements are used to generate this decomposition method. ...
Performance-Based Seismic Evaluation and Retrofitting of Historic Unreinforced Concrete Wall Buildings With Interior Steel Frames

Güneş, Oğuz; Güneş, Burcu; Sözenoğlu, İsmet (Dolnoslaskie Wydawnictwo Edukacyjne-DWE, 2012)

Performance-based seismic evaluation of historical constructions is a challenge due to the difficulty of their structural analysis that accurately captures their nonlinear behavior. This paper focuses on the use of 3-D ...
An innovative description of elastic constant tensor based upon orthonormal representations

Dinçkal, Çiğdem (2012)

A new procedure for representation of elastic constant tensor in terms of its orthonormal decomposed parts is presented. Form invariants and orthonormalized basis elements are used to generate this decomposition method. ...
Microwave imaging of plain and reinforced concrete for NDT using backpropagation algorithm

Güneş, O.; Büyüköztürk, O. (2012)

The focus of this paper is implementation of backpropagation algorithm as a solution for the inverse source problem for microwave imaging of plain and reinforced concrete targets for nondestructive evaluation (NDE). The ...
Use of Uhpc In Bridge Structures: Material Modeling and Design

Güneş, Oğuz; Yeşilmen, Seda; Ulm, Franz-Joseph; Güneş, Burcu (Hindawi Publishing Corporation, 2012)

Ultra-high-performance concrete (UHPC) is a promising new class of concrete material that is likely to make a significant contribution to addressing the challenges associated with the load capacity, durability, sustainability, ...
Nondestructive Testing of Materials and Structures: Proceedings of NDTMS-2011, Istanbul, Turkey, May 15-18, 2011

Büyüköztürk, Oral; Taşdemir, Mehmet Ali; Güneş, Oǧuz; Akkaya, Yılmaz (2012)
Grassroots participation vs. dictated partnership: Anatomy of the Turkish risk management reality

Karancı, Ayşe Nuray; Gülkan, Polat (2012)
Displacement Induced Torsion in Structures

Masoudi, M.; Gülkan, Polat; Dazio, A. (2012)

Satisfying the equations of motion in the deformed configuration leads to actions that inherently contain secondary effects. Similar to the product of vertical loads and lateral displacements which leads to the PΔ ...

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