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Publikationen von Professorinnen und Professoren der HAW Hamburg

Jahr:  
Alle : 1984, ... , 2002, 2003, 2004, ... , 2020
Autor:  
Alle : A, À, B, C, D, E, F, G, H, I, J, K, L, M, N, O, Ö, P, Q, R, S, T, U, V, W, Y, Z 
Präferenzen: 
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2020

Zeitschriftenbeiträge:

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Felix Langfeldt, Hannah Hoppen und Wolfgang Gleine
Broadband low-frequency sound transmission loss improvement of double walls with Helmholtz resonators
Journal of Sound and Vibration, 476:115309
23 Juni 2020

Marker: TI-FF

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Aurelio Jose Olivares Ferrer, Markus Linke und Juan Antonio Garcia-Manrique
Influence of geometric imperfections and internal damage patterns of thin-walled laminates on failure in Compression-After-Impact testing
Procedia Manufacturing, 41(2019):200-207
9 März 2020
ISSN: 2351-9789
Englisch

Schlüsselwörter: Finite elements; Abaqus; Compression-After-Impact testing; geometric imperfection; delamination; internal damage; composites; CFRP; ultrasonic scan; low-energy impacts;

Marker: F+F

Zusammenfassung: Geometric imperfections are induced in composite structures due to manufacturing and assembly processes as well as due to accidental impacts. These geometric imperfections have an influence on the strength of thin-walled composite structures when impact damage is present. Therefore, the influence of the geometric imperfection magnitude on the failure mechanisms of thin-walled laminates with initial internal damage patterns under Compression-After-Impact testing is investigated by creating a finite element model based on different experimental validations. These experiments are a set of tensile tests, low energy impact tests with a pendulum system to induce the internal damage patterns, ultrasonic scanning of the damaged samples to characterize the delaminated areas and, finally, a set of Compression-After-Impact tests combined with digital imaging correlation data using an ARAMIS 3D measuring system (Gom mbH, Braunschweig, Germany). Compression-After-Impact tests are carried out with a frame modified for thin-walled laminates enabling a more reliable measurement of thin laminates. All these data collected during the experiments and damage inspections are used to build up and validate the simulations with the Finite Element code Abaqus (Dassault Systèmes SA, Paris, France). Finally, potential interactions between global and local failure mechanisms in Compression-After-Impact testing are analyzed with different imperfection magnitudes and interface damage idealizations based on these models. The results show an increase of the failure strength with the initial imperfection magnitude.

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H. Cornel, S.B. Gahleitner, I. Köhler-Saretzki, K. Nowacki, I. Sarto-Jackson, R. Schleiffer, M. Schröder und G.J. Suess
Bindung und Beziehung in der Sozialen Arbeit – einführende Bemerkungen
Soziale Arbeit,
2020
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Linus Wittmann, Petra Hampel, Ulrike Peter, Anne Karow, Jürgen Gallinat und Gunter Groen
Die gruppentherapeutische Intervention „Gesund bleiben im Beruf“ zur Wiedererlangung der Arbeitsfähigkeit. Eine Pilotstudie
Zeitschrift für Klinische Psychologie und Psychotherapie, 48:101-109.
2020

Marker: W & S

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Linus Wittmann, Gunter Groen und Petra Hampel
Formative Evaluation der arbeitsbezogenen Gruppentherapie "Gesund bleiben im Beruf".
Prävention und Gesundheitsförderung,
2020

Marker: W & S

Konferenz-/Workshop-/Podiumsdiskussionsbeiträge, Ausstellungs-/Modenschaubeteiligungen:

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Gunter Groen und Astrid Jörns-Presentati
Gemeinsam Verantwortung tragen. Zur kooperativen Versorgung herausfordernder Jugendlicher an der Schnittstelle von Kinder- und Jugendpsychiatrie und Jugendhilfe. Vortrag auf dem Symposium "Systemsprenger", Bethel, 15.02.2020.
2020

Marker: W & S

2019

Zeitschriftenbeiträge:

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Marc Zarnekow, Frank Ihlenburg und Thomas Grätsch
An Ecient Approach to the Simulation of Acoustic Radiation from Large Structures with FEM
THE JOURNAL OF THEORETICAL AND COMPUTATIONAL ACOUSTICA (JTCA),
Dezember 2019
akzeptiert

Marker: TI-M+P

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Frank Ihlenburg, Marc Zarnekow und Thomas Grätsch
Simulation of vibrational sources and vibroacoustic transfer in wind turbine drivetrains
Proceedings in Applied Mathematics and Mechanics (PAMM) Verlag: J. Wiley,,
18 November 2019

Marker: TI-M+P

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Felix Langfeldt und Wolfgang Gleine
Membrane- and plate-type acoustic metamaterials with elastic unit cell edges
Journal of Sound and Vibration, 453:65-86
4 August 2019

Marker: TI-FF

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Lahti Mari, Groen Gunter, Mwape Lonia, Korhonen Joonas und Breet Elsie Breet
Design and Development Process of a Youth Depression Screening m-Health Application for Primary Health Care Workers in South Africa and Zambia: An Overview of the MEGA Project.
Issues in Mental Health Nursing,
21 Juni 2019

Marker: W-S

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Letzte Änderung: 23.01.15

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