R. Gruber

Details der Publikationsliste

Zeitraum

1971 - 2009

Anzahl

245

Co-Autoren

BECOOL: Ballooning eigensolver with COOL finite elements (2009)

Cooper, G.A., Graves, J.P., Cooper, W.A., Gruber, R., Peterson, R.S.

An incompressible variational ideal ballooning mode equation is discretized with the COOL finite element discretization scheme using basis functions composed of variable order Legendre polynomials....

Models and internals of the IANOS resource broker (2009)

Keller, V., Rasheed, H., Wäldrich, O., Ziegler, W., Gruber, R., Sawley, M.-C., ...

We present the Intelligent Application Oriented System (IANOS) resource broker models and internals. The aim of IANOS is to provide an understanding of and a solution to the problem of how to find...

Rollin’ Justin: Design considerations and realization of a mobile platform for a humanoid upper body (2009)

Fuchs, M., Borst, C., Giordano, P., Baumann, A., Kraemer, E., Langwald, J., ...

Research on humanoid robots for use in servicing tasks, e.g. fetching and delivery, attracts steadily more interest. With Rollin‘ Justin a mobile robotic system and research platform is...

Note: the pages are numbered 318–329, as in the proceedings. Safe and Efficient Sharing of Persistent Objects in Thor (2008)

B. Liskov, A. Adya, M. Castro, M. Day, S. Ghemawat, R. Gruber, ...

Thor is an object-oriented database system designed for use in a heterogeneous distributed environment. It provides highly-reliable and highly-available persistent storage for objects, and supports...

IANOS: An intelligent application oriented scheduling framework for an HPCN grid (2008)

Rasheed, H., Gruber, R., Keller, V., Kuonen, P., Wieder, P., Wäldrich, O., ...

We present the architecture and implementation of IANOS middleware that is a result of integration of the Intelligent Scheduling Service into the VIOLA meta-scheduling environment. The goal of the...

Ultraschallkopf mit Ultraschall-Doppler-Anordnung (2008)

Kübler, B., Passig, G., Gruber, R., Tretbar, S., Degel, C.

DE 102008005041 A1 UPAB: 20090817 NOVELTY - The ultrasonic head has an ultrasonic Doppler arrangement and three ultrasonic transmitters. The ultrasonic receivers receive reflecting signal of the...

Centre de Recherches en Physique des Plasmas, Ecole Polytechnique Fédérale de (2008)

M. Azaïez, R. Gruber

Abstract. We present the application of the recent physics-conforming COOL method [2, 4] to the eigenvalue problem of a cylindrical waveguide filled with unmagnetized plasma. Using the Fourier...

Integration of the ISS into the VIOLA meta-scheduling (2006)

Cristiano, K., Gruber, R., Keller, V., Kuonen, P., Maffioletti, S., Nellari, N., ...

The authors present the integration of the Intelligent (Grid) Scheduling System into the VIOLA meta-scheduling environment which itself is based on the UNICORE Grid software. The goal of the new,...

Stability properties of anisotropic pressure stellarator plasmas with fluid and noninteractive energetic particles (2006)

Cooper, W. A., Graves, J. P., Tran, T. M., Gruber, R., Yamaguchi, T., Narushima, Y., ...

The three-dimensional (3-D) VMEC code has been modified to model an energetic species with a variant of a Bi-Maxwellian distribution function that satisfies the constraint B . del F-h = 0, and the...

Explanation of the surface peak in charge integrated LEIS spectra (2003)

Draxler,M., Beikler,R., Taglauer,E., Schmid,K., Gruber,R., Ermolov,S. N., ...

Low energy ion scattering is very surface sensitive if scattered ions are analyzed. By time-of-flight (TOF) techniques, also neutral and charge integrated spectra (ions plus neutrals) can be...

Comprehensive study of the surface peak in charge-integrated low-energy ion scattering spectra (2003)

Draxler,M., Beikler,R., Taglauer,E., Schmid,K., Gruber,R., Ermolov,S. N., ...

Low-energy ion scattering is very surface sensitive if scattered ions are analyzed. By time-of-flight (TOF) techniques, the neutral and the charge-integrated spectra (ions plus neutrals) are...

Explanation of the surface peak in charge integrated LEIS spectra (2003)

Draxler, M., Beikler, R., Taglauer, E., Schmid, K., Gruber, R., Ermolov, S. N., ...

Low energy ion scattering is very surface sensitive if scattered ions are analyzed. By time-of-flight (TOF) techniques, also neutral and charge integrated spectra (ions plus neutrals) can be...

Comprehensive study of the surface peak in charge-integrated low-energy ion scattering spectra (2003)

Draxler, M., Beikler, R., Taglauer, E., Schmid, K., Gruber, R., Ermolov, S. N., ...

Low-energy ion scattering is very surface sensitive if scattered ions are analyzed. By time-of-flight (TOF) techniques, the neutral and the charge-integrated spectra (ions plus neutrals) are...

The KINX ideal MHD stability code for axisymmetric plasmas with separatrix (1997)

Degtyarev, L., Martynov, A., Medvedev, S., Troyon, F., Villard, L., Gruber, R.

The paper presents the KINX code for computing linear ideal MHD growth rates and eigenvectors of axisymmetric plasmas surrounded by a vacuum layer and a conducting wall. Plasma equilibrium magnetic...

Problem-solving environment for parallel computers (1997)

Appert, K., Gruber, R., Merazzi, S., Tran, T. M., Wuthrich, S.

A program environment is presented that enables a co-operative design of high-technology products demanding interdisciplinary computer simulations for their optimisation. The system includes a...

A direct parallel sparse matrix solver (1996)

Tran, T. M., Gruber, R., Appert, K., Wuthrich, S.

The direct sparse matrix solver is based on a domain decomposition technique to achieve data and work parallelization. Geometries that have long and thin structures are specially efficiently...

Three-dimensional plasma equilibrium model based on the poloidal representation of the magnetic field (1996)

Gruber, R., Degtyarev, L. M., Kuper, A., Martynov, A. A., Medvedev, S. Y., Shafranov, V. D.

Equations for the three-dimensional equilibrium of a plasma are formulated in the poloidal representation. The magnetic field is expressed in terms of the poloidal magnetic flux Psi and the poloidal...

Safe and Efficient Sharing of Persistent Objects in Thor (1996)

B. Liskov, A. Adya, M. Castro, M. Day, S. Ghemawat, R. Gruber, ...

Thor is an object-oriented database system designed for use in a heterogeneous distributed environment. It provides highly-reliable and highly-available persistent storage for objects, and supports...

Safe and efficient sharing of persistent objects in Thor (1996)

B. Liskov, A. Adya, M. Castro, M. Day, S. Ghemawat, R. Gruber, ...

Thor is an object-oriented database system designed for use in a heterogeneous distributed environment. It provides highly-reliable and highly-available persistent storage for objects, and supports...

Verfahren und Anordnung zur Regelung von Prozessgroessen, insbesondere des pH-Wertes in Bioreaktoren (1995)

Lauckner, G., Gruber, R.

The invention relates to a process to control process parameters, in particular the pH in bioreactors. According to the invention, the physical, chemical and/or biological dependences in the...

Fully 3-Dimensional Ideal Magnetohydrodynamic Stability Analysis of Low-N Modes and Mercier Modes in Stellarators (1992)

Fu, G. Y., Cooper, W. A., Gruber, R., Schwenn, U., Anderson, D. V.

The TERPSICHORE three-dimensional linear ideal magnetohydrodynamic (MHD) stability code [Theory of Fusion Plasmas, Proceedings of the Joint Varenna-Lausanne International Workshop, Chexbres,...

3d Magnetohydrodynamic Equilibria with Anisotropic Pressure (1992)

Cooper, W. A., Hirshman, S. P., Merazzi, S., Gruber, R.

An energy functional given by W = integral integral integral d3x[B2/(2mu0) + p(parallel-to)/(GAMMA - 1)] is proposed as a variational principle to determine three-dimensional (3D) magnetohydrodynamic...

Software-Development Strategies for Parallel Computer Architectures (1991)

Gruber, R., Cooper, W. A., Beniston, M., Gengler, M., Merazzi, S.

As pragmatic users of high performance supercomputers, we believe that nowadays parallel computer architectures with distributed memories are not vet mature to be used by a wide range of application...

The Terpsichore Code for the Stability Analysis of Magnetically Confined Fusion Plasmas (1991)

Anderson, D. V., Cooper, W. A., Gruber, R., Merazzi, S., Schwenn, U.

We describe a few relevant aspects of the new plasma physics stability code, TERPSICHORE, which breaks new ground both in plasma theory and in its algorithmic implementation. We chose a highly...

Industriebau - Aufgabe der Zukunft (1989)

Scholz, -, Warnecke, H.-J., Augustin, M., Bach, H., Efinger, A., Gertis, K., ...

Im Rahmen einer Expertenrunde nehmen Prof. Warnecke und andere Experten zu Auswahl- und Auslegungskriterien für Industriebauten Stellung. Insbesondere wird die Alternative Flach- oder Großbauten...

Dual effect of the local anaesthetic penticainide on the Na+ current of guinea-pig ventricular myocytes.

Gruber, R, Vereecke, J, Carmeliet, E

1. The effect of the local anaesthetic penticainide (2-alkyl-(4-dialkylamino)-2-pyridyl-butyramide) on macroscopic and single-channel sodium current (INa) of guinea-pig ventricular myocytes was...

Dual effect of the local anaesthetic penticainide on the Na+ current of guinea-pig ventricular myocytes.

Gruber, R, Vereecke, J, Carmeliet, E

1. The effect of the local anaesthetic penticainide (2-alkyl-(4-dialkylamino)-2-pyridyl-butyramide) on macroscopic and single-channel sodium current (INa) of guinea-pig ventricular myocytes was...

The activation gate of the sodium channel controls blockade and deblockade by disopyramide in rabbit Purkinje fibres.

Gruber, R., Carmeliet, E.

1. The effect of disopyramide on the maximum upstroke velocity (Vmax) and the sodium current of rabbit cardiac Purkinje fibres was studied with the two-microelectrode voltage-clamp technique. 2. In...