نتایج جستجو برای: inverse geometry design

تعداد نتایج: 1171849  

Journal: :Physical Review A 2021

Atomic transitions with orthogonal dipole moments can be made to interfere each other by the use of an anisotropic environment. Here we describe, provide, and apply a computational toolbox capable algorithmically designing three-dimensional photonic environments that enhance degree coherence in atomic $\mathrm{\ensuremath{\Lambda}}$ systems. Example optimization runs produce spiral-like structu...

Journal: :Sports Engineering 2022

Abstract The distribution of the contact pressure occurring under edge a snowboard during carved turn is key factor influencing riding behaviour. These interface loads are determined by structural design, and in particular sidecut geometry line. In this study, following inverse problem was set investigation: if certain wished, how can corresponding initial be determined? A optimization strategy...

2013

This dissertation develops geometric variational models for different inverse problems in imaging that are ill-posed, designing at the same time efficient numerical algorithms to compute their solutions. Variational methods solve inverse problems by the following two steps: formulation of a variational model as a minimization problem, and design of a minimization algorithm to solve it. This dis...

Journal: :Advanced Robotics 2001
Jackrit Suthakorn Gregory S. Chirikjian

In this paper we present a new, and extremely fast, algorithm for the inverse kinematics of discretely actuated manipulator arms with many degrees of freedom. Our only assumption is that the arm is macroscopicallyserial in structure,meaning that the overall structure is a serial cascade of units with each unit having either a serial or parallel kinematic structure. Our algorithm builds on previ...

A. Meghdari,

Recent developments in the area of smart structures indicate that variable geometry / stiffness truss network is of fundamental importance in designing smart transformable structures and systems for space applications. This paper presents the conceptual design and dynamic modeling of a cooperative re-configurabel dual-arm robotic structure called Dual-Arm Cam-Lock Manipulator. The Manipulator i...

Journal: :Information processing in medical imaging : proceedings of the ... conference 2009
Yonggang Shi Jonathan H. Morra Paul M. Thompson Arthur W. Toga

We propose in this work a novel variational method for computing maps between surfaces by combining informative geometric features and regularizing forces including inverse consistency and harmonic energy. To tackle the ambiguity in defining homologous points on smooth surfaces, we design feature functions in the data term based on the Reeb graph of the Laplace-Beltrami eigenfunctions to quanti...

Journal: :Journal of physics 2022

Abstract In this article, two boundary elements approximation has been considered focusing the readers' attention on some numerical aspects of such approximation. As an example, Diffuse Optical Tomography was selected with relatively simple geometry region. Then, Helmholtz equation converted to necessary form in frequency domain considered. Next, inverse problem formulated as optimal shape desi...

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