Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2021A concurrent two‐scale coupling for wave propagation using direct solution schemes with explicit time integration
Grunwald, Christoph; Durr, Nathanaël; Sauer, Martin; Riedel, Werner; Hiermaier, Stefan
Journal Article
2021Millimeter-Wave Tomographic Imaging of Composite Materials
Meier, Dominik
: Ambacher, Oliver
Dissertation
2016Quasi-Bessel beams from asymmetric and astigmatic illumination sources
Müller, A.; Wapler, M.C.; Schwarz, U.T.; Reisacher, M.; Holc, K.; Ambacher, O.; Wallrabe, U.
Journal Article
2014Welding for testability: An approach aimed at improving the ultrasonic testing of thick-walled austenitic and dissimilar metal welds
Wagner, Sabine; Dugan, Sandra; Barth, Martin; Schubert, Frank; Köhler, Bernd
Conference Paper
2012Wave-optical formation of the intensity distribution and diffraction limit of picture-generating freeform surfaces
Zwick, Susanne; Feßler, Robert; Jegorov, Jevgenij; Notni, Gunther
Conference Paper
2007The spectral analysis of a PM space unit in the context of the classification of nonlinear phenomena in ultrasonic wave propagation
Hirsekorn, S.
Book Article
2004Development of a hybrid finite element/finite integration model for the UK's national physical laboratory acoustic emission reference facility
Gelat, P.; Theobad, P.; Schubert, F.
Conference Paper
2004Optical measurement and visualization of transient ultrasonic wave fields
Köhler, B.; Kehlenbach, M.; Bilgram, R.
Conference Paper
2003Spectral analysis of a PM space in the simulation of nonlinear ultrasonic wave propagation
Hirsekorn, S.
Conference Paper
2001Semi-analytical elastic wave-field modeling applied to arbitrarily oriented orthotropic media
Spies, M.
Journal Article
2000Analytical Methods for Simulation of Ultrasonic Testing of Complex Media on a Personal Computer
Spies, M.
Journal Article
1999Bloch oscillations on two dimensional lattices
Pertsch, T.; Peschel, U.; Lederer, F.
Conference Paper
1999Current Activities in Ultrasonic NDE Simulations - A German Perspective
Spies, M.
Conference Paper
1999Simulation of Ultrasonic Testing of Complex-Structured Materials and Components
Spies, M.
Conference Paper
1997Numerical Simulation of 3D SH-Wave Fields Generated in Anisotropic Materials
Batra, N.K.; Simmonds, K.E.; Mignogna, R.B.; Hübschen, G.; Spies, M.
Conference Paper
1997Transducer Beam Field Modeling in Anisotropic Media by Superposition of Gaussian Base Functions
Kröning, M.; Spies, M.
Conference Paper
1996Demonstration der Ultraschall-Wellenausbreitung und der Wechselwirkung des Ultraschalls mit Defekten
Köhler, B.
Conference Paper
1996Methodische Ansätze zur Verfahrensoptimierung am Beispiel der Kernbehälterschraubenprüfung
Schmitz, V.; Kappes, W.; Spies, M.; Bonitz, F.
Conference Paper
1996Scan-Technik zur Schallfeldvermessung an Festkörpern
Köhler, B.; Schubert, F.
Journal Article
1996Ultraschall-Momentaufnahmen. Ein neuer Ansatz zum Studium der Wellenausbreitung und zur Charakterisierung oberflächennaher Defekte
Köhler, B.
Conference Paper
1996Wave propagation in a waveguide with a balance of gain and loss
Noting, H.-P.; Sztefka, G.; Grawert, M.; Ctyroky, J.
Conference Paper
1995Elastic wave propagation and scattering in austenitic steel
Walte, F.; Spies, M.; Klaholz, S.; Langenberg, K.-J.
Conference Paper
1995Modeling of wave propagation in anisotrop media
Spies, M.
Journal Article
1993An adaptive approach to the numerical solution of Fresnel's wave equation
Schmidt, F.
Journal Article
1993Untersuchungen zum Einfluß von ferritischen Phasen in austenitischen Schweißnähten auf die Schallfeldvermessung mit elektromagnetischen Sonden
Walte, F.; Schurig, C.; Kretzschmar, F.
Conference Paper
1992Elastische Wellen in homogenen und geschichteten transversalisotropen Medien. Gaußsche Wellenpakete und Greensche Funktionen
Langenberg, K.-J.; Spies, M.
Conference Paper
1991Elastic wave in homogeneous and layered transversely - isotropic media. Gaussian wave packets and green functions -QNDE-.
Fellinger, P.; Langenberg, K.-J.; Spies, M.
Conference Paper
1986Broadband single-mode Te/TM convertors in LiNBO3: a novel design
Helmolt, C. von
Journal Article
1983Demonstration of coloured noise and signal distortions in baseband spectra of broadband optical transmission systems
Enning, B.; Wenke, G.
Journal Article