BACKGROUNDIn recent years, engineering education research (EER) has emerged as an internationally connectedfield of inquiry through the establishment of EER conferences, interest groups within engi ...

The Emergence of Engineering Education Research as an Internationally Connected Field of Inquiry

Blast loaded plates

An underwater shock simulator has been developed for the underwater shock loading of materials and test structures within the laboratory. The tube is struck at one end by a steel projectile, with the test structure placed at the opposite end of the tube. Realistic exponentially decaying pressure pulses are generated in the water with peak pressures in the range 15-70 MPa and decay times ranging from 0.1 to 1.5 ms. The peak pressure and the pulse duration are independently adjusted by varying the projectile velocity and mass, respectively. The underwater shock simulator is used to investigate the one- dimensional fluid-structure interaction of sandwich plates with steel face sheets and an aluminium foam core. The degree of core compression is measured as a function of both the underwater shock impulse and the Taylor fluid-structure interaction parameter. Fully coupled finite element simulations agree well with the measurements while decoupling the fluid-structure interaction phase from the core compression phase within the finite element analysis leads to an under-prediction of the degree of core compression.

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An underwater shock simulator

Shock loading of three-dimensional woven composite materials

We are concerned with the development of a three-dimensional (3D) full-field high-speed digital image correlation (DIC) measurement system using a single camera, specifically aimed at measuring large out-of-plane displacements. A system has been devised to record images at ultrahigh speeds using a single camera and a series of mirrors. These mirrors effectively converted a single camera into two virtual cameras that view a specimen surface from different angles and capture two images simultaneously. This pair of images enables one to perform DIC measurements to obtain 3D displacement fields at high framing rates. Bench testing along with results obtained using a shock wave blast test facility are used to show the validity of the method.

Three-dimensional digital image correlation technique using single high-speed camera for measuring large out-of-plane displacements at high framing rates

Shock wave-loaded plates

In the present paper, the equations of motion for piezoelectric integrated smart beams are derived by applying Hamilton's principle and the Finite Element (FE) method, based on the First-Order Shear Deformation (FOSD) theory. Then, a state space model is constructed from the equations of motion for control design. A Linear Quadratic Regulator (LQR) control for vibration suppression is implemented on the mathematical model of the piezoelectric bonded beam. Finally, a numerical application is performed to testify the applicability and effectiveness of the present method. (© 2012 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim)

https://onlinelibrary.wiley.com/doi/pdf/10.1002/pamm.201210336

LQR Control for Vibration Suppression of Piezoelectric Integrated Smart Structures

Part I: Role of the Global Engineer in Meeting the Challenges of Society in the 21st Century. Review of the visions for the Global Engineering Education Workshops F.W. Stephenson. The role of the Global Engineer - A European view T. Hedberg. The Asian view on the role of the Global Engineer V.S. Raju. An American viewpoint on engineering education P. Kurstedt. Part II: Internationality and Interdisciplinarity. New demands on engineers - Paths in education leading to professional qualifications M. Reuber, F. Klocke. Developing leaders for technology intensive companies - The UNITECH International story P. Bascherma, N. Rickert. Challenges of a Virtual University Campus: University policy as a consistent system M. Polke. Interdisciplinary training of engineers - A challenge between superficiality and overspecialization Y.J.M. Brechet. Part III: Engineering Education in Emerging Economies. Present engineering education in India - an emerging economy - and a glimpse of scenario in the 21st century R.N. Bhargawa. Lebanon as an engineering educational center in the Middle East S.M. Chehade. Part IV: European Bachelor and Master Programmes. The new engineering bachelor programmes in Italy and at Politecnico di Milano R. Negrini. Restructuring a University level engineering curriculum - A possible response to the Bologna declaration A. Kundig. An American opinion of the European adaptation of the B.S./M.S. degrees S.S. Melsheimer. Part V: Developing Personal Skills to be a Global Engineer. The young entrepreneur's experience or: 'What can universities do to make of a student a successful Global Engineer?'B. Richerzhagen. Students' international perspective M. Puttner. Part VI: Successful Practice in Engineering Education -- Programmes, Curricula and Evaluation. Engineering the future of civil engineering in the United States S.G. Walesh. Three years of experience with an international graduate program at TU Munchen J. Hagenauer, et al. Future developments of the European Mineral Programs. Teaching control engineering to mechanical engineering students by a combination of traditional and modern methods H. Rake. Biomedical engineering education: A case study M.M. Rao. Quality management -- How to manage education and research in a research institute T. Pfeifer, L. Sommerhauser. Attracting the next generation of students D. Brandon. Part VII: Successful Practice in Engineering Education -- Educational Concepts. Learning inventive thinking in the formation of engineer-architects J. Depuydt. Acquiring the tools to become a successful engineer in the 21st century: Aptitudes and attitudes E. Esposito, E. Sigler. Interdisciplinary curriculum for development of a global engineer V. Sinha. A multi-university engineering summer study abroad program R.L. King, et al. INTEGRAL -- a web-based tool to support learning in interdisciplinary teams M. Rotting. An international collaborative networked venture for mobile communication studies V. Sinha, B.H. Walke. A virtual classroom and more for global education V. Sinha. Part VIII: Successful Practice in Engineering Education -- University-Industry Partnership, Design Projects. Northern Arizona University's Design4Practice sequence -- Interdisciplinary Trainin

Educating the engineer for the 21st century : proceedings of the 3rd workshop on global engineering education, Aachen university of technology, 18-20 October 2000

In the present paper theoretical and experimental investigations are made to verify viscoplastic theories applied to thin-walled structures. The vibrations of plates are studied under the assumption of small strains and moderate rotations theoretically and numerically by using constitutive models of Chaboche and Bodner-Partom. The numerical results are compared with experiments.

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Vibrations Of Viscoplastic Under Impact Load

In the present paper measured and simulated vibrations of viscoplastic plates under impulsive loadings are compared to each other. The aim is to determine how accurately the measured deformations can be calculated by the chosen constitutive and structural theories. The damage growth in the plate specimens until failure is predicted by finite element simulations and compared to shock tube experiments. (© 2008 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)

R. Schmidt

Papers

Shock wave-loaded plates

LQR Control for Vibration Suppression of Piezoelectric Integrated Smart Structures

Educating the engineer for the 21st century : proceedings of the 3rd workshop on global engineering education, Aachen university of technology, 18-20 October 2000

Vibrations Of Viscoplastic Under Impact Load

Experimental and numerical investigation of shock wave-loaded plates