نتایج جستجو برای: deformation field

تعداد نتایج: 850212  

2014
W. J. Yao S. P. Chen

Original scientific paper In this paper, based on the overlapping deformation mode of load transfer law of uplift belled pile, and the theory of elastic mechanics, the elastic-plastic analytical solutions of uplift belled pile were derived, and the nonlinear elastic-plastic deformation analysis method was established, which made the deformation analysis theory of uplift belled pile more reasona...

A.S Sayyad Y.M Ghugal,

A Trigonometric Shear Deformation Theory (TSDT) for the analysis of isotropic plate, taking into account transverse shear deformation effect as well as transverse normal strain effect, is presented. The theory presented herein is built upon the classical plate theory. In this displacement-based, trigonometric shear deformation theory, the in-plane displacement field uses sinusoidal function in ...

Journal: :Medical image analysis 2005
Aloys du Bois d'Aische Mathieu De Craene Xavier Geets Vincent Grégoire Benoit M. Macq Simon K. Warfield

We describe a new algorithm for non-rigid registration capable of estimating a constrained dense displacement field from multi-modal image data. We applied this algorithm to capture non-rigid deformation between digital images of histological slides and digital flat-bed scanned images of cryotomed sections of the larynx, and carried out validation experiments to measure the effectiveness of the...

2015
Yoav Matia Amir D. Gat

A pressurized fluid-filled parallel-channel network embedded in an elastic beam, asymmetrically to the neutral plane, will create a deformation field within the beam. Deformation due to embedded fluidic networks is currently studied in the context of soft actuators and soft-robotic applications. Expanding on this concept, configurations can be designed so that the pressure in the channel networ...

2014
Ralph Blumenhagen Michael Fuchs Rui Sun

Non-geometric string backgrounds were proposed to be related to a nonassociative deformation of the space-time geometry. In the flux formulation of double field theory (DFT), the structure of mathematically possible non-associative deformations is analyzed in detail. It is argued that on-shell there should not be any violation of associativity in the effective DFT action. For imposing either th...

Journal: :Physical review letters 2009
Zhao Wang Laetitia Philippe

In this Letter, we demonstrate a strong dependence of the electrostatic deformation of doubly clamped single-walled carbon nanotubes on both the field strength and the tube length, using molecular simulations. Metallic nanotubes are found to be more sensitive to an electric field than semiconducting ones of the same size. For a given electric field, the induced deformation increases with tube l...

Journal: :Medical image analysis 2007
Masahiko Nakamoto Hiroaki Hirayama Yoshinobu Sato Kozo Konishi Yoshihiro Kakeji Makoto Hashizume Shinichi Tamura

The present paper describes a method for intraoperative recovery of respiratory motion and deformation of the liver by using a laparoscopic freehand 3D ultrasound (US) system. The proposed method can extend 3D US data of the liver to 4D by acquiring additional several sequences of time-varying 2D US images during a couple of respiration cycles. 2D US images are acquired on several sagittal imag...

2007
Yan Zhou Xiaogang Jin Jieqing Feng

Deformation is a powerful tool for shape modeling and computer animation. In this paper we present a new local deformation model based on convolution surfaces. After a user specifies a series of constraints, which can consist of line segments, arcs and quadratic curves, their effective radii and maximum displacements, the deformation model creates a set of convolution surfaces taking the constr...

2008
Umut Gürsoy

We study SL(3, R) deformations of a type IIB background based on D5 branes that is conjectured to be dual to N = 1 SYM. We argue that this deformation of the geometry correspond to turning on a dipole deformation in the field theory on the D5 branes. We give evidence that this deformation only affects the KK-sector of the dual field theory and helps decoupling the KK dynamics from the pure gaug...

2010
ZHONG LU

We used ALOS InSAR images to study land surface deformation over the Crandall Canyon mine in Utah, which collapsed on 6 August 2007 and killed six miners. The collapse was registered as a ML 3.9 seismic event. An InSAR image spanning the time of the collapse shows 25–30 cm surface subsidence over the mine. We used distributed dislocation sources to model the deformation field, and found that a ...

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