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- Simulations of magnetic materials with MDGRAPE-2
- The use of accelerator hardware for micromagnetics simulations is described, along with some initial results. The accelerator calculates the dipole interactions at 400 gigaflops, allowing large simulations to be performed with arbitrary geometries. Two research programs are highlighted, the simulation of a curved MRAM cell and the simulation of the...
- Research articles 2004-03-01
- DOT releases funding to Alaska Railroad
- The Department of Transportation has released $10.2 million to the Alaska Railroad to straighten railroad tracks on and near the Anchorage military bases. "These funds are critical to improving safety and further modernizing our railroad infrastructure," said Sen. Ted Stevens, R-Alaska. "This realignment will reduce track curvature and improve...
- Research articles 2002-10-01
- [1] Editorials.(News)(Editorial)
- If it prevents potholes, we should look at it When a disease is detected early, it usually costs much less to treat. Moreover, the patient is spared the pain of being sick. A clever inventor is applying that theory to healing something ...
- Research articles 2001-04-29
- Detecting and locating partly occluded planar parts by clustering
- 1. IntroductionThe problem of recognizing partly occluded parts is of considerable interest in industrial automation. The occlusion usually takes place when an object is either overlapped or touched by other objects. Lighting, reflection or physical obstructions may also render the observation of a complete object impossible. In the robotic assembly...
- Research articles 1996-07-01
- Deposition Modeling for Paint Application on Surfaces Embedded in IR3
- This white paper report documents the efforts to develop analytic deposition models for electrostatic rotating bell ESRB atomizers, which have recently become widely used in the automotive painting industry. The models presents both the surface curvature and the deposition pattern of ESRB atomizers, enabling planning tools to optimize atomizer trajectories...
- White papers 2002-11-01
- Numerical Identification of Elasticity Coefficients for the Bending Problem
- This paper discusses a test for identifying elasticity coefficients for the bending problem. Bending is a problem of flat textiles, and its existence is demonstrated by experimental material based on coordinates of a bent sample. This paper proposes another usage of Peirce's cantilever test for determining the relationship between bending...
- White papers 2004-12-01
- Level Set Based Segmentation With Intensity and Curvature Priors
- A method is presented for segmentation of anatomical structures that incorporates prior information about the intensity and curvature profile of the structure from a training set of images and boundaries. Specifically, this paper models the intensity distribution as a function of signed distance from the object boundary, instead of modeling...
- White papers 2000-04-18
- 3D Computer Modelling - A Way for Studying the Glenohumeral Joint Biomechanics
- The main goal was to develop a biomathematic and biomechanic model that could help to study the sequence of movements in the glenohumeral joint in a way that could explain their mysterious complexity. The paper determines the equations of the glenohumeral cartilaginous articular surfaces and based on this equation we...
- White papers 2004-06-16
Additional Resources
- Friction stir welding joins complex-curvature parts.(Welding/Joining)
- Friction stir welding FSW technology has been further advanced with file introduction of a self-reacting pin tool that enables welding of complex-curvature components, according to a presentation at the ASM AeroMat 2003 conference by researchers at Friction stir welding FSW technology has been further advanced ...
- Research articles 2003-08-01
- Adaptive Slicing With Curvature Considerations
- In this paper, first order slice height calculation in Laminated Object Manufacturing LOM of free form surfaces is done with two different considerations: that the cutter trajectory is oriented in the direction of local absolute maximum curvature of the surface or in the direction of local maximum flatness of the...
- White papers 2004-03-10
- Cook Urological presents treatment for penile curvature
- A graft that can be used to correct penile curvature, also known as Peyronie's disease, has been developed by Cook Urological. The company presented the trademarked Surgisis ES graft at the recent American Urological Association's annual meeting in Atlanta, Georgia. Peyronie's disease is estimated to affect nearly...
- Research articles 2006-07-01
- Reinforced Concrete Sections under Moment and Axial Load
- A spreadsheet-based program for producing moment-curvature and moment-axial force diagrams Moment-curvature plots and moment-axial force interaction diagrams are essential tools for understanding the load-deformation behavior of structural elements. Moment-curvature plots readily illustrate stiffness, strength, and cross-sectional ductility, and allow the calculation of deflections after materials become nonlinear. Moment-axial...
- Research articles 2007-10-01
- Monitoring a Concrete Arch Bridge During Construction Using Fiber Optic Sensors
- This paper briefly introduces the functional principle of the long-gage sensors used in this application, illustrate their installation and discuss the measurement results obtained during construction. The installed SOFO fiber optic sensors have a measurement basis between 3m and 5m and were installed in pairs in the concrete arch. Measuring...
- White papers 2001-07-04
- Orange peel and DOI measurement.(new products)
- The Micro-Wave-Scan can measure orange peel and DOI on small and curved surfaces, with a curvature of greater than 300 mm and DOI measurements are possible without scanning the surface. The instrument is small and light weight, fitting in ... The Micro-Wave-Scan can measure...
- Research articles 2005-09-01
- Bond Risk Premia
- This paper studies time variation in expected excess bond returns. We run regressions of annual excess returns on forward rates. We find that a single factor predicts 1-year excess returns on 1-5 year maturity bonds with an R2 up to 43%. The single factor is a tent-shaped linear function of...
- White papers 2002-09-01
- The New Generation of Rotary Systems May Be Closer Than You Think
- This paper focuses on the new generation rotary systems. The NAS/DS controls curvature rate by precisely adjusting the radial extension of the stabilizer blades on a near bit Non-Rotating Stabilizer. The closed loop control process corrects for the secondary effects caused by formation characteristics, bit and tool wear, and manufacturing...
- White papers 2003-01-23
- Sheffield Supertram System
- Design and Building Services DBS of Sheffield City Council have been involved with the design of the Supertram System in Sheffield, which incorporates a series of major bridgeworks designed with the assistance of the LUSAS Bridge analysis system. LUSAS Bridge was also used for other parts of the Supertram system...
- Case studies
- Stress and Thermal Analysis of the Muela Dam, Lesotho
- LUSAS civil & structural analysis software has been used by consulting engineers Mott MacDonald in conjunction with FEA's consultancy services department to prove the stability and optimum curvature and profile of the 'Muela Dam, part of the Lesotho Highlands Water Project. The 55m high dam with a crest length of...
- Case studies
- Flux-based Anisotropic Diffusion Applied to Enhancement of 3D Angiograms
- This paper presents a new approach to anisotropic diffusion based on a multi-directional diffusion flux. The diffusion flux is decomposed in an orthogonal basis, effectively enabling enhancement of contours as well as diffusion along the contours. To this end, they have selected a 3D basis that depicts the directions of...
- White papers 2002-11-01
- Intra-Patient Prone to Supine Colon Registration for Synchronized Virtual Colonoscopy
- This paper presents an automated method for colon registration. The method uses dynamic programming to align data defined on colon center-line paths, as extracted from the prone and supine scans. This data may include information such as path length and curvature as well as descriptors of the shape and size...
- White papers 2002-11-13
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