Results 271 to 280 of about 334,043 (330)

Graphical model of an elastic medium in a cartesian coordinate system

Strength of Materials, 1993
A discrete model of a deformable elastic body in the form of an oriented graph is examined. The graph can be used as a nontraditional means of deriving resolvent equations, involving the transformation of systems of generalized coordinates describing elements of the sectioned body to a coordinate system that describes the body as a whole.
openaire   +2 more sources

An Intuitive Endoscope Operating System With an Interface Suitable for Cartesian Coordinate Input^*

2023 45th Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC), 2023
Endoscopes are useful tools for inspecting and observing places that are inaccessible to humans and ordinary cameras. However, it is difficult to operate an endoscope intuitively because there is an embodiment difference between the endoscope and the human body.
Tatsunori, Uehara, Satoshi, Miura
openaire   +2 more sources

High-speed laser writing of arbitrary patterns in polar coordinate system.

Review of Scientific Instruments, 2016
In order to realize high-speed laser writing arbitrary patterns, we establish a set of high-speed polar coordinate laser writing system. Although the polar coordinate laser writing system is generally suitable for fabricating circular symmetric patterns,
Zhenguo Bai, Jingsong Wei, Xinrui Liang, Kui Zhang, Tao Wei, Rui Wang   +5 more
semanticscholar   +1 more source

Transformation of Coordinates between Cartesian Systems

2001
It is often necessary to convert spatial data from one reference system to another. For example, when one has determined the positions of some points in a local rectangular grid system (see Chapter 2 for definitions of the various reference systems), the positions may be converted to a national grid system, or vice versa, for various reasons.
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Discretization of Macroscopic Transport Equations on Non-Cartesian Coordinate Systems

IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, 2007
We discuss discretization schemes for the Poisson equation, the isothermal drift-diffusion equations, and higher order moment equations derived from the Boltzmann transport equation for general coordinate systems. We briefly summarize the method of dimension reduction when the problem does not depend on one coordinate.
Tibor Grasser, Michael Spevak
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Flexible Multibody Dynamics Based on a Fully Cartesian System of Support Coordinates [PDF]

Journal of Mechanical Design, 1993
In this paper we present an extension to flexible multibody systems of a system of fully cartesian coordinates previously used in rigid multibody dynamics. This method is fully compatible with the previous one, keeping most of its advantages in kinematics and dynamics. The deformation in each deformable body is expressed as a linear combination of Ritz
N. Vukasovic, J. García de Jalón, Juan Tomas Celigueta, Eduardo Bayo   +3 more
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Imaginary Straight Lines in Cartesian Coordinate System

Geometry & Graphics, 2020
A geometric model of imaginary conjugate straight lines a~b, allowing symbolic representation of these lines on the real coordinate plane xy is considered. In order to connect the algebraic and geometric representations of imaginary straight lines, it is proposed to use the “mark” formed by orthogonal d1 ⊥ d2 and main g1~g2 directions of the elliptic ...
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Relationship between Students’ Understanding of Functions in Cartesian and Polar Coordinate Systems

Investigations in Mathematics Learning, 2008
The present study was implemented as a prelude to a study on the generalization of the single variable function concept to multivariate calculus.
Montiel, M., Vidakovic, D., Kabael, Tangül   +2 more
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Technical Note: Extension of van Herk's treatment margin model for anisotropic systematic positioning errors in Cartesian coordinate systema).

Medical Physics (Lancaster), 2011
PURPOSE A coefficient of a treatment margin model for anisotropic systematic positioning errors has been calculated in Cartesian coordinate system based on van Herk's analytical formulation.
K. Yoda, K. Nakagawa
semanticscholar   +1 more source

Accuracy Assessment of Cartesian (X, Y, Z) to Geodetic Coordinates (φ, λ, h) Transformation Procedures in Precise 3D Coordinate Transformation – A Case Study of Ghana Geodetic Reference Network

, 2016
Ghana a developing country still adopt the non-geocentric ellipsoid known as the War Office 1926 as its horizontal datum for all surveying and mapping activities.
B. Kumi-Boateng, Yao Yevenyo Ziggah
semanticscholar   +1 more source