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Article
Open AccessFeasibility study for the manufacturing of hybrid pinion shafts with the cross-wedge rolling process
The Collaborative Research Center 1153 is investigating an innovative process chain for the production of hybrid components. The hybrid workpieces are first joined and then formed by cross-wedge rolling. Pinio...
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Article
Vom Fahrgefühl zur Fahrphysik - Entmystifizierung knickender Fahrzeugbewegungen
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From Driving Impression to Driving Physics - Demystifying Kinking Vehicle Behavior
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Correction to: Toward understanding the self-adaptive dynamics of a harmonically forced beam with a sliding mass
The authors regret to have made an implementation error in their simulation code.
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Article
Global detection of detached periodic solution branches of friction-damped mechanical systems
Two novel methods to determine detached periodic solution branches of low-dimensional and large-scale friction-damped mechanical systems have been developed. The approach for low-dimensional systems is an exte...
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Chapter and Conference Paper
A Priori Interface Reduction for Substructuring of Multistage Bladed Disks
When analyzing the dynamics of bladed disks in turbomachinery, most methods focus on a single stage at a time because of the challenges associated with multistage structures. Whereas the cyclic symmetry of ind...
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Chapter and Conference Paper
Modal Excitation of Circular Rotating Structures Using an Innovative Electromagnetic Device
Metallic structures like circular plates or turbine discs feature special mode shapes that can be classified by nodal diameters and nodal circles. It is often desirable to experimentally examine just one mode ...
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Chapter and Conference Paper
Experimental Nonlinear Vibration Analysis of a Shrouded Bladed Disk Model on a Rotating Test Rig
The optimization of the mechanical design process of turbomachinery has already been subject of research for decades. In this context, many researchers developed efficient numerical methods to calculate the vi...
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Chapter and Conference Paper
Forced Response of Nonlinear Systems Under Combined Harmonic and Random Excitation
Mechanical systems are often subjected to different types of excitation. In addition to the commonly considered case of deterministic excitation, random excitation or a combination of both types can occur. The...
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Article
Quantification of the Energy Flows During Ultrasonic Wire Bonding Under Different Process Parameters
Despite of its wide and long-term application for interconnections in the field of microelectronics packaging, a quantitative understanding on the mechanisms of ultrasonic (US) wire bonding is still lacked. In...
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Chapter and Conference Paper
Application of the Transfer Matrix Method for the Analysis of Lateral Vibrations of Drillstrings with Parameter Uncertainties
To compare the susceptibility of different drillstring assemblies to lateral vibrations while taking parameter uncertainties into consideration, a computationally efficient model based on the transfer matrix m...
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Investigation of the joining zone of laser welded and cross wedge rolled hybrid parts
Most of today’s technical parts and components are made of monolithic materials. These mono-material components produced in established production processes reach their limits due to their respective material ...
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Article
Numerical analysis of intracochlear mechanical auditory stimulation using piezoelectric bending actuators
Cochlear implantation can restore a certain degree of auditory impression of patients suffering from profound hearing loss or deafness. Furthermore, studies have shown that in case of residual hearing, patient...
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Chapter
Maschinenbau – seine Vielfalt und die Motivation für dieses Lehrbuch
Der Maschinenbau hat sich als eigenständiges Studienfach mit der zunehmenden Entwicklung von Technik und Wissenschaft seit Ende des 18. Jahrhunderts herausgebildet. Ferdinand Redtenbacher (1809–1863) in Karlsr...
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Chapter
Sensoren und Aktoren
Sensoren und Aktoren bilden die Schnittstelle zwischen der Informationsverarbeitung und den Energie- und Stoffflüssen in technischen Systemen. Abbildung 18.1 zeigt den typischen Aufbau mechatronischer Systeme,...
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Article
Toward understanding the self-adaptive dynamics of a harmonically forced beam with a sliding mass
A mechanical system consisting of an elastic beam under harmonic excitation and an attached sliding body is investigated. Recent experimental observations suggest that the system passively (self-)adapts the ax...
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Article
Historical development of IWPMA: 10 years of research on piezoelectric materials and actuators
The 10th International Workshop on Piezoelectric Materials and Applications in Actuators (IWPMA) was held at the Gottfried Wilhelm Leibniz Universität Hannover from 14 July until 18 July 2013. This conference ...
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Article
Determination of optimal excitation patterns for local mechanical inner ear stimulation using a physiologically-based model
Within the field of hearing prosthetics it is known that patients with sufficient residual hearing benefit from the simultaneous employment of hearing aid and cochlear implant. Several attempts have been propo...
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Chapter and Conference Paper
A Framework for the Computational Dynamic Analysis of Coupled Structures Using Nonlinear Modes
Nonlinear Modes represent a well-known concept for the extraction of the fundamental dynamical features of nonlinear systems. In spite of extensive academic research on analytical and numerical strategies in t...
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Chapter
Maschinenbau – seine Vielfalt und die Motivation für dieses Lehrbuch
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